WO2015154667A1 - Gender specific synthetic nutritional compositions and nutritional systems comprising them - Google Patents

Gender specific synthetic nutritional compositions and nutritional systems comprising them Download PDF

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Publication number
WO2015154667A1
WO2015154667A1 PCT/CN2015/076058 CN2015076058W WO2015154667A1 WO 2015154667 A1 WO2015154667 A1 WO 2015154667A1 CN 2015076058 W CN2015076058 W CN 2015076058W WO 2015154667 A1 WO2015154667 A1 WO 2015154667A1
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Prior art keywords
infant
gender
concentration
age
synthetic nutritional
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PCT/CN2015/076058
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French (fr)
Inventor
Michael Affolter
Sagar THAKKAR
Carlos Antonio DE CASTRO
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Nestle (China) Ltd.
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Application filed by Nestle (China) Ltd. filed Critical Nestle (China) Ltd.
Priority to CN201580018729.4A priority Critical patent/CN106455657A/en
Priority to RU2016143828A priority patent/RU2709988C2/en
Priority to AU2015245736A priority patent/AU2015245736A1/en
Priority to US15/301,557 priority patent/US20170172194A1/en
Priority to MX2016012340A priority patent/MX2016012340A/en
Priority to EP15776083.6A priority patent/EP3128857A4/en
Publication of WO2015154667A1 publication Critical patent/WO2015154667A1/en
Priority to PH12016501921A priority patent/PH12016501921A1/en

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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17—Amino acids, peptides or proteins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/17—Amino acids, peptides or proteins
    • A23L33/175—Amino acids
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/40—Complete food formulations for specific consumer groups or specific purposes, e.g. infant formula
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2200/00—Function of food ingredients

Definitions

  • the invention relates to gender specific synthetic nutritional compositions, to nutritional systems comprising them and, to their use to provide optimised nutrition and/or one or more health benefit to an infant.
  • compositions of the aforementioned synthetic nutritional compositions are modeled on those of human milk.
  • the composition of HM is extremely dynamic and these dynamic changes remain largely unexplored and uncharacterized. Whilst it is known that components and/or their quantities may vary depending on a variety of factors including the stage of lactation, circadian rhythms and even gender, it is not known which of the numerous components vary and if so how they vary e.g. by stage of lactation and/or gender.
  • Alanine, histidine, isoleucine, proline, and valine are amino acids. An optimum intake of amino acids helps to ensure optimum growth and development in infants.
  • Optimum growth and development may be immediate and/or long term. Long term may only be evident in months or years e.g. 6 months, 9 months, 12 months, 5 years, 10 years, or 20 years.
  • the concentration range of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM can vary up to 1 month, more particularly 2 weeks to 1 month, postpartum depending on the gender of the mother’s infant.
  • the inventors have developed gender specific nutritional compositions, and nutritional systems comprising them, that reflect these identified gender differences.
  • the skilled person has not incentive to develop such gender specific synthetic nutritional compositions or to include them in nutritional systems.
  • HM is considered optimal with respect to infant nutrition, they can provide an optimized amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, in particular an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age.
  • the gender specific synthetic nutritional compositions can be prepared from a gender neutral synthetic nutritional composition by measuring out an appropriate amount of said gender neutral synthetic nutritional composition and mixing it with an additive and/or diluent.
  • the gender specific synthetic nutritional compositions, and nutritional systems of the invention can also be used to treat, prevent or mitigate sub optimal growth e.g. obesity of an infant.
  • the gender specific synthetic nutritional composition is selected from the group consisting of: infant formula, and a composition for infants that is intended to be added or diluted to human milk e.g. HM fortifier.
  • the inventors have also found that the mean concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM does not vary by gender 1 month or later postpartum.
  • the nutritional systems disclosed herein may optionally also comprise synthetic nutritional compositions for infants more than 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine does not differ by gender for infants of the same age.
  • the nutritional systems of the invention may also provide optimized nutrition, and thereby be used to treat, prevent or mitigate sub optimal growth e.g. obesity of an infant, to an infant of for example up to 12 months of age, up to 9 months of age, up to 8 months of age, up to 6 months of age, up to 3 months of age, up to 1 month of age.
  • optimized nutrition e.g. obesity of an infant, to an infant of for example up to 12 months of age, up to 9 months of age, up to 8 months of age, up to 6 months of age, up to 3 months of age, up to 1 month of age.
  • FIG. 1 is a graphical representation of the identified difference in the mean concentration of alanine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
  • FIG. 2 is a graphical representation of the identified difference in the mean concentration of histidine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
  • FIG. 3 is a graphical representation of the identified difference in the mean concentration of isoleucine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
  • FIG. 4 is a graphical representation of the identified difference in the mean concentration of proline in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
  • FIG. 5 is a graphical representation of the identified difference in the mean concentration of valine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
  • the inventors performed a cross sectional study evaluating the nutrient composition of HM collected from mothers at various stages of lactation (up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum) .
  • the study indicated different min and max ranges for the concentration of alanine, histidine, isoleucine, proline, and valine by gender.
  • the inventors have designed gender specific synthetic nutritional compositions for infants up to 1 month, more particularly 2 weeks to 1 month, of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in HM produced for an infant of the same gender and age.
  • gender specific synthetic nutritional composition refers to any synthetic nutritional composition, intended to be consumed by an infant that is specifically adapted to the nutritional needs of either a female or male ieri.
  • Non limiting examples of gender specific synthetic nutritional compositions for infants from birth to 4 months include; infant formulae, and a composition for infants that is intended to be added or diluted with HM e.g. HM fortifier.
  • Non limiting examples of gender specific synthetic nutritional compositions for infants from 4 months to 12 months include infant formulae, a composition for infants that is intended to be added or diluted with HM e.g. HM fortifier, or food stuffs intended for consumption by infants either alone or in combination with HM e.g. complementary foods.
  • infant refers to a human infant of 12 months of age or less.
  • a gender specific synthetic nutritional composition for an infant up to 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in HM produced for an infant of the same gender and age.
  • the concentration of alanine, histidine, isoleucine, proline, or valine is a measure of the total concentration of both the D and L forms of said amino acids, whether free or bound i.e. protein bound.
  • the gender specific synthetic nutritional composition can be a male specific synthetic nutritional composition or a female specific synthetic nutritional composition for an infant up to 1 month of age, more particularly 2 weeks to 1 month of age.
  • the gender specific synthetic nutritional composition is a female specific synthetic nutritional composition for an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and comprises alanine in a concentration of 32.7 to 111.9, 32.7 to 87.61, 32.7 to 60.90 , 43.66 to 72.96, or 58.31, mg/100g and/or, histidine in a concentration of 28.2 to 80.8, 28.2 to 48, 28.2 to 69.39, 34.2 to 57.66, or 45.93, mg/100g and/or, isoleucine in a concentration of 50.5 to 103.3, 50.5 to 72, 50.5 to 94.84, 58.87 to 82.85, or 70.86, mg/100g and/or, proline in a concentration of 81.1 to 182.8, 81.1 to 163.04, 81.1 to 121, 95.21 to 140.43, or 117.82, mg/100g and/or valine in a concentration of 56.9 to
  • the gender specific synthetic nutritional composition is a male specific synthetic nutritional composition for an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and comprises alanine in a concentration of 32.7 to 193.1, 32.7 to 111.33, 60.92 to 193.1, 39.63 to 87.43, or 63.53, mg/100g and/or, histidine in a concentration of 29.4 to 110.3, 48.055 to 110.3, 29.4 to 83.4, 33.57 to 66.79, or 50.18, mg/100g and/or, isoleucine in a concentration of 51.1 to 155.5, 51.1 to 108.24, 72.95 to 155.5, 58.44 to 91.64, or 75.04, mg/100g and/or, proline in a concentration of 87.5 to 290.8, 121.54 to 290.8, 87.5 to 188.14, 93.82 to 156.7, or 125.26, mg/100g and/or valine in a concentration of
  • the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine can be measured by methods well known in the art.
  • concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine can be measured by an amino acid analyzer (using post-column derivatisation with ninhydrin) or by a pre-column derivatisation method (i.e. using PITC or OPA/FMOC chemistry as described in Blankenship D.T. et al. (1989) Analytical Biochemistry 178: 227) followed by HPLC separation and quantification.
  • Any source of Alanine, and/or Histidine, and/or Isoleucine, and/or Proline, and/or Valine known to be employed in the types of synthetic nutritional compositions disclosed herein may be comprised within in the gender specific synthetic nutritional compositions of the invention, in particular, they may be pure synthetic amino acids obtained through synthesis or fermentation, or liberated from any food-grade protein source such as animal or plant proteins through hydrolysis.
  • the Alanine, and/or Histidine, and/or Isoleucine, and/or Proline, and/or Valine may be intact, hydrolysed, partially hydrolysed, or any combination thereof.
  • the gender specific synthetic nutritional compositions of the invention can also comprise any other ingredients or excipients known to be employed in synthetic nutritional compositions.
  • Non limiting examples of such ingredients include: other amino acids, proteins, carbohydrates, oligosaccharides, lipids, prebiotics or probiotics, essential fatty acids, nucleotides, nucleosides, vitamins, minerals and other micronutrients.
  • Non limiting examples of other amino acids include, cysteine, glutamine, glutamic acid, glycine, serine, leucine, threonine, tyrosine, arginine, lysine, methionine, phenylalanine, tryptophane, asparagine, aspartic acid, and combinations thereof.
  • Non limiting examples of proteins include, caseins, alpha-lactalbumin, lactoferrin, serum albumin, whey, soy protein, rice protein, corn protein, oat protein, barley protein, wheat protein, rye protein, pea protein, egg protein, sunflower seed protein, potato protein, fish protein, meat protein, immunoglobins, and combinations thereof.
  • Non limiting examples of carbohydrates include lactose, saccharose, maltodexirin, starch, and mixtures thereof
  • Non limiting examples of lipids include: palm olein, high oleic sunflower oil, high oleic safflower oil, canola oil, fish oil, coconut oil, bovine milk fat, or mixtures thereof.
  • Non limiting examples of essential fatty acids include: linoleic acid (LA) , ⁇ -linolenic acid (ALA) and polyunsaturated fatty acids (PUFAs) .
  • the nutritional compositions of the invention may further contain gangliosides monosialoganglioside-3 (GM3) and disialogangliosides 3 (GD3) , phospholipids such as sphingomyelin, phospholipids phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, and combinations of the foregoing.
  • GM3 monosialoganglioside-3
  • GD3 disialogangliosides 3
  • phospholipids such as sphingomyelin, phospholipids phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylser
  • prebiotics include: oligosaccharides optionally containing fructose, galactose, mannose; dietary fibers, in particular soluble fibers, soy fibers; inulin; or mixtures thereof.
  • Preferred prebiotics are fructo-oligosaccharides (FOS) , galacto-oligosaccharides (GOS) , isomalto-oligosaccharides (IMO) , xylo-oligosaccharides (XOS) , arabino-xylo oligosaccharides (AXOS) , mannan-oligosaccharides (MOS) , oligosaccharides of soy, glycosylsucrose (GS) , lactosucrose (LS) , lactulose (LA) , palatinose-oligosaccharides (PAO) , malto-oligosaccharides, gums and/or hydrolysates thereof, pectin
  • oligosaccharide is described in Wrodnigg, T.M.; Stutz, A.E. (1999) Angew. Chem. Int. Ed. 38: 827-828 and in WO 2012/069416 which is incorporated herein by reference.
  • Non limiting examples of probiotics include: Bifidobacterium, Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Kluyveromyces, Saccharoymces, Candida, in particular selected from the group consisting of Bifidobacterium longum, Bifidobacterium lactis, Bifidobacterium animalis, Bifidobacterium breve, Bifidobacterium infantis, Bifidobacterium adolescentis, Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus paracasei, Lactobacillus salivarius, Lactobacillus lactis, Lactobacillus rhamnosus, Lactobacillus johnsonii, Lactobacillus plantarum, Lactobacillus salivarius, Lactococcus lactis, Enterococcus faecium, Saccharomyces cerevisiae, Saccharomyces bo
  • Non limiting examples of Nucleotides include: cytidine monophosphate (CMP) , uridine monophosphate (UMP) , adenosine monophosphate (AMP) , guanosine monophosphate (GMP) , or any mixtures thereof.
  • CMP cytidine monophosphate
  • UMP uridine monophosphate
  • AMP adenosine monophosphate
  • GMP guanosine monophosphate
  • Non limiting examples of vitamins and minerals include: vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin Bi2, vitamin E. vitamin K. vitamin C, vitamin D, folic acid, inositol, niacin, biotin, pantothenic acid, choline, calcium, phosphorous, iodine, iron, magnesium, copper, zinc, manganese, chloride, potassium, sodium, selenium, chromium, molybdenum, taurine, and L-carnitine, and mixtures thereof. Minerals are usually added in salt form.
  • compositions of the invention may be prepared by methods well known in the art for preparing that type of synthetic nutritional composition e.g. infant formulae, follow on formulae, a composition for infants that is intended to be added or diluted with HM e.g. HM fortifier, and food stuffs intended for consumption by infants either alone or in combination with HM e.g. complementary foods.
  • An exemplary method for preparing a gender specific powdered infant formula is as follows. Amino acids (including alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine) , and/or protein source (comprising bound alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine) , carbohydrate source, and fat source may be blended together in appropriate proportions. Emulsifiers maybe included in the blend. Vitamins and minerals may be added at this point but are usually added later to avoid thermal degradation. Any lipophilic vitamins, emulsifiers and the like may be dissolved into the fat source prior to blending. Water, preferably water which has been subjected to reverse osmosis, may then be mixed in to form a liquid mixture.
  • Amino acids including alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine
  • the liquid mixture may then be thermally treated to reduce bacterial loads.
  • the liquid mixture may be rapidly heated to a temperature in the range of about 80°Cto about 110°Cfor about 5 seconds to about 5 minutes. This may be carried out by steam injection or by heat exchanger; for example a plate heat exchanger.
  • the liquid mixture may then be cooled to about 60°Cto about 85°C; for example by flash cooling.
  • the liquid mixture may then be homogenised; for example in two stages at about 7 MPa to about 40 MPa in the first stage and about 2 MPa to about 14 MPa in the second stage.
  • the homogenised mixture may then be further cooled to add any heat sensitive components such as vitamins and minerals.
  • the pH and solids concentration in the homogenised mixture is conveniently standardised at this point.
  • the homogenised mixture can be transferred to a suitable drying apparatus such as a spray drier or freeze drier and converted to powder.
  • the powder should have a moisture concentration in less than about 3%by weight.
  • probiotic s
  • they may be cultured according to any suitable method and prepared for addition to the infant formula by freeze-drying or spray-drying for example.
  • bacterial preparations can be bought from specialist suppliers such as Christian Hansen and Morinaga already prepared in a suitable form for addition to food products such as infant formula. Such bacterial preparations may be added to the gender specific powdered infant formula by dry mixing.
  • the gender specific compositions of the invention may also be prepared from a gender neutral synthetic nutritional composition in a method comprising; measuring out an appropriate amount of said gender neutral synthetic nutritional composition and mixing it with an additive and/or diluent e.g. water so as to arrive at a gender specific nutritional composition in accordance with the invention.
  • an additive and/or diluent e.g. water
  • the additive may be a gender specific additive comprising alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in a particular concentration so that when mixed with the gender neutral synthetic nutritional composition, and optionally a diluent, the resulting mixture is a gender specific synthetic nutritional composition of the invention.
  • the gender neutral synthetic nutritional composition can be prepared by methods well known in the art. For example, as laid out above for infant formula.
  • One or more of the gender specific synthetic nutritional compositions of the invention can be included in a nutritional system.
  • the term “nutritional system” as used herein refers to a collection of more than one synthetic nutritional composition advertised or sold as part of the same product range e.g. a collection of infant formulas sold under the same brand and adapted to the nutritional needs of infants of differing genders and/or ages.
  • the synthetic nutritional compositions making up the nutritional system may be packaged individually e.g. in capsules or boxes. Said packages can be sold individually, grouped together e.g. wrapped by plastic film or combined in a box or, in a combination of these two ways.
  • the nutritional system may comprise only gender specific synthetic nutritional compositions, or, it may comprise a mix of gender specific and gender neutral synthetic nutritional compositions.
  • a nutritional system comprising at least one of the gender specific synthetic nutritional compositions of the invention.
  • the nutritional system comprises a gender specific synthetic nutritional composition for a male infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and, a gender specific synthetic nutritional composition for a female infant of up to 1 month of age, more particularly 2 weeks to 1 month of age.
  • concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in said male gender specific synthetic nutritional composition is higher than that of said female gender specific synthetic nutritional composition.
  • concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the male gender synthetic nutritional compositions may be higher by any amount.
  • the ratio of the concentration of alanine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:5.08 to 1:1.0003, 1:5.18 to 1:1.08; or 1:1.7 to 1:1.08.
  • the ratio of the concentration of histidine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.9 to 1:1.001, 1:3.9 to 1:1.04, or 1:3.6 to 1:1.09.
  • the ratio of the concentration of Isoleucine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.07 to 1:1.01, 1:3.07 to 1:1.01, or 1:1.5 to 1:1.05.
  • the ratio of the concentration of proline between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.6 to 1:1.004, 1:3.6 to 1:1.06, or 1:1.5 to 1:1.07.
  • the ratio of the concentration of valine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1.4.4 to 1:1.001, 1:4.4 to 1:1.07, or 1:1.6 to 1:1.07.
  • the male gender specific synthetic nutritional composition contains 0.001 to 155.8, 5.22 to 155.8, or 5.22 to 81.2, mg/100g more alanine than the female gender specific synthetic nutritional composition.
  • the male gender specific synthetic nutritional composition contains 0.001 to 82.1, 1.2 to 82.1, or 4.25 to 29.5, mg/100g more histidine than the female gender specific synthetic nutritional composition.
  • the male gender specific synthetic nutritional composition contains 0.001 to 105, 0.6 to 105, or 4.18 to 52.2, mg/100g more Isoleucine than the female gender specific synthetic nutritional composition.
  • the male gender specific synthetic nutritional composition contains 0.001 to 209.7, 6.4 to 209.7, or 7.44 to 108, mg/100g more proline than the female gender specific synthetic nutritional composition.
  • the male gender specific synthetic nutritional composition contains 0.001 to 197.7, 6.4 to 192.7, or 6.47 to 99.7, mg/100g more valine than the female gender specific synthetic nutritional composition.
  • the referenced study further indicated that between 31 days and 240 days postpartum there is no difference in the mean concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM depending on the gender of the mother’s infant.
  • the nutritional system further comprises gender specific synthetic nutritional compositions for infants more than 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine does not differ by gender for infants of the same age.
  • the nutritional system further comprises gender neutral specific synthetic nutritional compositions for infants more than 1 month of age.
  • Non limiting examples of ages, or ranges thereof, more than 1 month include: 1-2mths, 2mth, 2-4mths, 3-6mths, 4-6mths, 4-8mths 6-12mths, 7-12mths.
  • the nutritional system may further comprise nutritional compositions for children older than 12months.
  • a gender specific synthetic nutritional composition and/or nutrition system according to the invention is particularly suitable for use in a method of preparing single servings of infant formula using capsules, each capsule of which contains a unit dose of a synthetic nutritional composition in concentrated form, and which is equipped with opening means contained within the capsule to permit draining of the reconstituted synthetic nutritional composition directly from the capsule into a receiving vessel such as a baby bottle.
  • a method is described in WO2006/077259.
  • the different synthetic nutritional compositions including gender specific and gender neutral synthetic nutritional compositions, which may be comprised within a nutrition system, may be packed into individual capsules and presented to the consumer in multipacks containing a sufficient number of capsules to meet the requirements of an infant of a particular age or range for one week for example.
  • Suitable capsule constructions are disclosed in WO2003/059778.
  • the capsules can contain the synthetic nutritional compositions, (gender specific and gender neutral) in the form of powders or concentrated liquids in both cases for reconstitution by an appropriate amount of water. Both the composition and the quantity of infant formula in the capsules may vary according to the gender and/or age of the infant. If necessary, different sizes of capsules may be provided for the preparation of infant formulas for infants of different genders and/or ages.
  • the gender specific synthetic nutritional compositions, or nutritional systems comprising them better reflect the differences in the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM found by gender at one or more stages of lactation. As stated herein, optimum alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine intake is necessary to ensure the optimum growth and development of an infant.
  • a gender specific synthetic nutritional composition and/or nutritional system as disclosed herein for use to treat, prevent or mitigate sub optimal growth of an infant e.g. obesity .
  • a gender specific synthetic nutritional composition and/or nutritional system as disclosed herein for use in the manufacture of a medicament for use to treat, prevent or mitigate sub optimal growth and development e.g. obesity, of an infant.
  • a gender specific synthetic nutritional composition may provide an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, to an infant up to 1 month of age, more particularly 2 weeks to 1 month of age.
  • the nutritional system may provide an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, for example an infant up to 12 months of age, up to 9 months of age, up to 8 months of age, up to 6 months of age, up to 3 months of age, up to 1 month of age, up to 2 weeks of age.
  • the gender specific synthetic nutritional compositions may be prepared from gender neutral synthetic nutritional compositions. Accordingly, in another aspect of the present invention there is provided a kit for providing an optimized amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, to an infant, in particular a a male or female infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, the kit comprising:
  • the dosage requirements may be with respect to the quantity of the gender neutral synthetic nutritional employed and/or consumption frequency e.g. 4 times per day.
  • Subjects included in the survey referenced herein were recruited from 4 provinces across China. Accordingly, the gender specific synthetic nutritional compositions and/or nutritional systems disclosed herein can be particularly relevant for Chinese infants, and or infants born in populations having common genetic origins and/or ethnic origins and/or common dietary habits thereto e.g. Asian, Indian, and/or Mongoloid populations.
  • HM samples collected from mothers to either male or female infants were analysed at various stages postpartum.
  • the HM samples were collected as part of a cross sectional survey of HM. The study criteria is set out below:
  • alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the HM samples collected as part of the above detailed study were analyzed using firstly acid hydrolysis in 6 M hydrochloric acid at 110°Cfor 22 hrs with phenol antioxidant in the absence of oxygen to liberate all protein-bound amino acids, followed secondly by high-sensitivity amino acid analysis using derivatisation with o-Phthalaldehyde (OPA) and 9-Fluorenylmethyl Chloroformate (FMOC) , and fluorescence detection (Blankenship D.T. et al. (1989) Analytical Biochemistry 178: 227) .
  • OPA o-Phthalaldehyde
  • FMOC 9-Fluorenylmethyl Chloroformate
  • compositional analysis was then subject to a statistical analysis employing the following statistical model:
  • Table VI, VII, VIII, IX, X shows the estimates for gender differences per timeframe along with the corresponding Pvalues for alanine, histidine, isoleucine, proline and, valine respectively.
  • a P-value inferior to 0.1 for a particular timeframe suggests that there is a statistically significant difference in the concentration of alanine, histidine, isoleucine, proline, or valine in HM produced for males and females infants at that specific timeframe.

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Abstract

Gender specific synthetic nutritional compositions for female or male infants up to 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in HM produced for an infant of the same gender and age, and nutritional systems comprising them.

Description

Gender specific synthetic nutritional compositions and nutritional systems comprising them.
Technical field: The invention relates to gender specific synthetic nutritional compositions, to nutritional systems comprising them and, to their use to provide optimised nutrition and/or one or more health benefit to an infant.
Background of the invention
Even though breastfeeding is optimal for infants, the existence of certain conditions may mean that it is contraindicated (AAP, 2012； Lawrence, 2013) . In such cases, where the sole source of nutrition is not available to the infant, alternative strategies to feed them have to be devised. Feeding infants with Synthetic nutritional compositions e.g. Infant formula is one such strategy.
The compositions of the aforementioned synthetic nutritional compositions are modeled on those of human milk. However, the composition of HM is extremely dynamic and these dynamic changes remain largely unexplored and uncharacterized. Whilst it is known that components and/or their quantities may vary depending on a variety of factors including the stage of lactation, circadian rhythms and even gender, it is not known which of the numerous components vary and if so how they vary e.g. by stage of lactation and/or gender.
Surprisingly it has now been identified that up to 1 month, more particularly 2 weeks to 1 month, postpartum, there can be a difference in the concentration range of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine found in HM produced by mothers to girls in comparison to mothers to boys . This finding stems from a cross-sectional study of HM wherein, HM samples from mothers to either boys or girls were collected at various stages postpartum and analysed. Further, it was also surprisingly found that up to 1 month, more particularly 2 weeks to 1 month, postpartum, the mean concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM produced by mothers to boys was higher than that produced for mothers to girls.
Because these gender differences in the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM have never been previously identified, they are not reflected in the compositions of synthetic nutritional compositions available today.
Alanine, histidine, isoleucine, proline, and valine are amino acids. An optimum intake of amino acids helps to ensure optimum growth and development in infants.
Optimum growth and development may be immediate and/or long term. Long term may only be evident in months or years e.g. 6 months, 9 months, 12 months, 5 years, 10 years, or 20 years.
Accordingly, there remains a need for gender specific synthetic nutritional compositions, and nutritional systems comprising them, having compositions within which the identified gender differences, with respect to the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, found in HM up to 1 month, more particularly 2 weeks to 1 month, postpartum are more accurately reflected and thereby optimised.
Summary of the invention
The invention is set out in the claims. The inventors have found that the concentration range of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM can vary up to 1 month, more particularly 2 weeks to 1 month, postpartum depending on the gender of the mother’s infant. In light of this finding the inventors have developed gender specific nutritional compositions, and nutritional systems comprising them, that reflect these identified gender differences. Prior to aforementioned findings the skilled person has not incentive to develop such gender specific synthetic nutritional compositions or to include them in nutritional systems.
The concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the gender specific synthetic nutritional compositions of the invention, and the nutritional systems comprising them, more accurately reflect the concentration in HM produced for infants of the same gender and age. In light of this and, because HM is considered optimal with respect to infant nutrition, they can provide an optimized amount of alanine, and/or histidine,  and/or isoleucine, and/or proline, and/or valine to an infant, in particular an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age.
The gender specific synthetic nutritional compositions can be prepared from a gender neutral synthetic nutritional composition by measuring out an appropriate amount of said gender neutral synthetic nutritional composition and mixing it with an additive and/or diluent.
Since optimized alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine intake helps to ensure the optimum growth and development of an infant, the gender specific synthetic nutritional compositions, and nutritional systems of the invention, can also be used to treat, prevent or mitigate sub optimal growth e.g. obesity of an infant.
Optionally the gender specific synthetic nutritional composition is selected from the group consisting of: infant formula, and a composition for infants that is intended to be added or diluted to human milk e.g. HM fortifier.
In addition to that set out above, the inventors have also found that the mean concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM does not vary by gender 1 month or later postpartum. In light of this, in addition to comprising the gender specific synthetic nutritional compositions of the invention, the nutritional systems disclosed herein may optionally also comprise synthetic nutritional compositions for infants more than 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine does not differ by gender for infants of the same age. Accordingly, the nutritional systems of the invention may also provide optimized nutrition, and thereby be used to treat, prevent or mitigate sub optimal growth e.g. obesity of an infant, to an infant of for example up to 12 months of age, up to 9 months of age, up to 8 months of age, up to 6 months of age, up to 3 months of age, up to 1 month of age.
Drawings
FIG. 1 is a graphical representation of the identified difference in the mean concentration of alanine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2  months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
FIG. 2 is a graphical representation of the identified difference in the mean concentration of histidine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
FIG. 3 is a graphical representation of the identified difference in the mean concentration of isoleucine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
FIG. 4 is a graphical representation of the identified difference in the mean concentration of proline in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
FIG. 5 is a graphical representation of the identified difference in the mean concentration of valine in HM by gender at up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum.
Detailed Description
As stated herein, the inventors performed a cross sectional study evaluating the nutrient composition of HM collected from mothers at various stages of lactation (up to 2 weeks (5-11 days) , 2 weeks to 1 month (12-30 days) , 1 to 2 months (31 to 60 days) , 2 to 4 months (61 to 120 days) and, 4 to 8 months (121 to 240 days) postpartum) . The study indicated different min and max ranges for the concentration of alanine, histidine, isoleucine, proline, and valine by gender. Surprisingly, the results of this study also indicated that that up to 1 month, more particularly 2  weeks to 1 month, postpartum, there is a difference in the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM depending on the gender of the mother’s infant. Further details of the study, analysis techniques and results are given in example 1.
Based on the findings of the study, the inventors have designed gender specific synthetic nutritional compositions for infants up to 1 month, more particularly 2 weeks to 1 month, of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in HM produced for an infant of the same gender and age.
The term “gender specific synthetic nutritional composition” as used herein refers to any synthetic nutritional composition, intended to be consumed by an infant that is specifically adapted to the nutritional needs of either a female or male enfant. Non limiting examples of gender specific synthetic nutritional compositions for infants from birth to 4 months include； infant formulae, and a composition for infants that is intended to be added or diluted with HM e.g. HM fortifier. Non limiting examples of gender specific synthetic nutritional compositions for infants from 4 months to 12 months include infant formulae, a composition for infants that is intended to be added or diluted with HM e.g. HM fortifier, or food stuffs intended for consumption by infants either alone or in combination with HM e.g. complementary foods.
The term “infant” as used herein refers to a human infant of 12 months of age or less.
In a first aspect of the invention there is provided a gender specific synthetic nutritional composition for an infant up to 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in HM produced for an infant of the same gender and age.
The concentration of alanine, histidine, isoleucine, proline, or valine is a measure of the total concentration of both the D and L forms of said amino acids, whether free or bound i.e. protein bound.
The gender specific synthetic nutritional composition can be a male specific synthetic nutritional composition or a female specific synthetic nutritional composition for an infant up to 1 month of age, more particularly 2 weeks to 1 month of age.
In an embodiment the gender specific synthetic nutritional composition is a female specific synthetic nutritional composition for an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and comprises alanine in a concentration of 32.7 to 111.9, 32.7 to 87.61, 32.7 to 60.90 , 43.66 to 72.96, or 58.31, mg/100g and/or, histidine in a concentration of 28.2 to 80.8, 28.2 to 48, 28.2 to 69.39, 34.2 to 57.66, or 45.93, mg/100g and/or, isoleucine in a concentration of 50.5 to 103.3, 50.5 to 72, 50.5 to 94.84, 58.87 to 82.85, or 70.86, mg/100g and/or, proline in a concentration of 81.1 to 182.8, 81.1 to 163.04, 81.1 to 121, 95.21 to 140.43, or 117.82, mg/100g and/or valine in a concentration of 56.9 to 149.9, 56.9 to 85, 56.9 to 119.61, 63 to 100.74, or 81.87 mg/100g.
In an embodiment the gender specific synthetic nutritional composition is a male specific synthetic nutritional composition for an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and comprises alanine in a concentration of 32.7 to 193.1, 32.7 to 111.33, 60.92 to 193.1, 39.63 to 87.43, or 63.53, mg/100g and/or, histidine in a concentration of 29.4 to 110.3, 48.055 to 110.3, 29.4 to 83.4, 33.57 to 66.79, or 50.18, mg/100g and/or, isoleucine in a concentration of 51.1 to 155.5, 51.1 to 108.24, 72.95 to 155.5, 58.44 to 91.64, or 75.04, mg/100g and/or, proline in a concentration of 87.5 to 290.8, 121.54 to 290.8, 87.5 to 188.14, 93.82 to 156.7, or 125.26, mg/100g and/or valine in a concentration of 51.5 to 249.6, 85.105 to 290.8, 51.5 to 145.84, 59.59 to 117.09, or 88.34, mg/100g.
The concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine can be measured by methods well known in the art. In particular the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine can be measured by an amino acid analyzer (using post-column derivatisation with ninhydrin) or by a pre-column  derivatisation method (i.e. using PITC or OPA/FMOC chemistry as described in Blankenship D.T. et al. (1989) Analytical Biochemistry 178: 227) followed by HPLC separation and quantification.
Any source of Alanine, and/or Histidine, and/or Isoleucine, and/or Proline, and/or Valine known to be employed in the types of synthetic nutritional compositions disclosed herein may be comprised within in the gender specific synthetic nutritional compositions of the invention, in particular, they may be pure synthetic amino acids obtained through synthesis or fermentation, or liberated from any food-grade protein source such as animal or plant proteins through hydrolysis.
The Alanine, and/or Histidine, and/or Isoleucine, and/or Proline, and/or Valine may be intact, hydrolysed, partially hydrolysed, or any combination thereof.
The gender specific synthetic nutritional compositions of the invention can also comprise any other ingredients or excipients known to be employed in synthetic nutritional compositions.
Non limiting examples of such ingredients include: other amino acids, proteins, carbohydrates, oligosaccharides, lipids, prebiotics or probiotics, essential fatty acids, nucleotides, nucleosides, vitamins, minerals and other micronutrients.
Non limiting examples of other amino acids include, cysteine, glutamine, glutamic acid, glycine, serine, leucine, threonine, tyrosine, arginine, lysine, methionine, phenylalanine, tryptophane, asparagine, aspartic acid, and combinations thereof.
Non limiting examples of proteins include, caseins, alpha-lactalbumin, lactoferrin, serum albumin, whey, soy protein, rice protein, corn protein, oat protein, barley protein, wheat protein, rye protein, pea protein, egg protein, sunflower seed protein, potato protein, fish protein, meat protein, immunoglobins, and combinations thereof.
Non limiting examples of carbohydrates include lactose, saccharose, maltodexirin, starch, and mixtures thereof
Non limiting examples of lipids include: palm olein, high oleic sunflower oil, high oleic safflower oil, canola oil, fish oil, coconut oil, bovine milk fat, or mixtures thereof.
Non limiting examples of essential fatty acids include: linoleic acid (LA) , α-linolenic acid (ALA) and polyunsaturated fatty acids (PUFAs) . The nutritional compositions of the invention may further contain gangliosides monosialoganglioside-3 (GM3) and disialogangliosides 3 (GD3) , phospholipids such as sphingomyelin, phospholipids phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, and combinations of the foregoing.
None limiting examples of prebiotics include: oligosaccharides optionally containing fructose, galactose, mannose； dietary fibers, in particular soluble fibers, soy fibers； inulin； or mixtures thereof. Preferred prebiotics are fructo-oligosaccharides (FOS) , galacto-oligosaccharides (GOS) , isomalto-oligosaccharides (IMO) , xylo-oligosaccharides (XOS) , arabino-xylo oligosaccharides (AXOS) , mannan-oligosaccharides (MOS) , oligosaccharides of soy, glycosylsucrose (GS) , lactosucrose (LS) , lactulose (LA) , palatinose-oligosaccharides (PAO) , malto-oligosaccharides, gums and/or hydrolysates thereof, pectins and/or hydrolysates thereof, and combinations of the foregoing.
Further examples of oligosaccharide are described in Wrodnigg, T.M.； Stutz, A.E. (1999) Angew. Chem. Int. Ed. 38: 827-828 and in WO 2012/069416 which is incorporated herein by reference.
Non limiting examples of probiotics include: Bifidobacterium, Lactobacillus, Lactococcus, Enterococcus, Streptococcus, Kluyveromyces, Saccharoymces, Candida, in particular selected from the group consisting of Bifidobacterium longum, Bifidobacterium lactis, Bifidobacterium animalis, Bifidobacterium breve, Bifidobacterium infantis, Bifidobacterium adolescentis, Lactobacillus acidophilus, Lactobacillus casei, Lactobacillus paracasei, Lactobacillus salivarius, Lactobacillus lactis, Lactobacillus rhamnosus, Lactobacillus johnsonii, Lactobacillus plantarum,  Lactobacillus salivarius, Lactococcus lactis, Enterococcus faecium, Saccharomyces cerevisiae, Saccharomyces boulardii or mixtures thereof, preferably selected from the group consisting of Bifidobacterium longum NCC3001 (ATCC BAA-999) , Bifidobacterium longum NCC2705 (CNCM I-2618) , Bifidobacterium longum NCC490 (CNCM I-2170) , Bifidobacterium lactis NCC2818 (CNCM I-3446) , Bifidobacterium breve strain A, Lactobacillus paracasei NCC2461 (CNCM I-2116) , Lactobacillus johnsonii NCC533 (CNCM I-1225) , Lactobacillus rhamnosus GG (ATCC53103) , Lactobacillus rhamnosus NCC4007 (CGMCC 1.3724) , Enterococcus faecium SF 68 (NCC2768； NCIMB10415) , and mixtures thereof.
Non limiting examples of Nucleotides include: cytidine monophosphate (CMP) , uridine monophosphate (UMP) , adenosine monophosphate (AMP) , guanosine monophosphate (GMP) , or any mixtures thereof.
Non limiting examples of vitamins and minerals include: vitamin A, vitamin B1, vitamin B2, vitamin B6, vitamin Bi2, vitamin E. vitamin K. vitamin C, vitamin D, folic acid, inositol, niacin, biotin, pantothenic acid, choline, calcium, phosphorous, iodine, iron, magnesium, copper, zinc, manganese, chloride, potassium, sodium, selenium, chromium, molybdenum, taurine, and L-carnitine, and mixtures thereof. Minerals are usually added in salt form.
Other suitable and desirable ingredients of synthetic nutritional compositions, that may be employed in the gender specific nutritional compositions of the invention, are described in guidelines issued by the Codex Alimentarius with respect to the type of synthetic nutritional composition in question e.g. Infant formula, HM fortifier, follow on formula, and food stuffs intended for consumption by infants e.g. complementary foods.
The gender specific compositions of the invention may be prepared by methods well known in the art for preparing that type of synthetic nutritional composition e.g. infant formulae, follow on formulae, a composition for infants that is intended to be added or diluted with HM e.g. HM  fortifier, and food stuffs intended for consumption by infants either alone or in combination with HM e.g. complementary foods.
An exemplary method for preparing a gender specific powdered infant formula is as follows. Amino acids (including alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine) , and/or protein source (comprising bound alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine) , carbohydrate source, and fat source may be blended together in appropriate proportions. Emulsifiers maybe included in the blend. Vitamins and minerals may be added at this point but are usually added later to avoid thermal degradation. Any lipophilic vitamins, emulsifiers and the like may be dissolved into the fat source prior to blending. Water, preferably water which has been subjected to reverse osmosis, may then be mixed in to form a liquid mixture.
The liquid mixture may then be thermally treated to reduce bacterial loads. For example, the liquid mixture may be rapidly heated to a temperature in the range of about 80℃to about 110℃for about 5 seconds to about 5 minutes. This may be carried out by steam injection or by heat exchanger； for example a plate heat exchanger.
The liquid mixture may then be cooled to about 60℃to about 85℃； for example by flash cooling.
The liquid mixture may then be homogenised； for example in two stages at about 7 MPa to about 40 MPa in the first stage and about 2 MPa to about 14 MPa in the second stage. The homogenised mixture may then be further cooled to add any heat sensitive components such as vitamins and minerals. The pH and solids concentration in the homogenised mixture is conveniently standardised at this point.
The homogenised mixture can be transferred to a suitable drying apparatus such as a spray drier or freeze drier and converted to powder. The powder should have a moisture concentration in less than about 3％by weight.
If it is desired probiotic (s) can be added, they may be cultured according to any suitable method and prepared for addition to the infant formula by freeze-drying or spray-drying for example.
Alternatively, bacterial preparations can be bought from specialist suppliers such as Christian Hansen and Morinaga already prepared in a suitable form for addition to food products such as infant formula. Such bacterial preparations may be added to the gender specific powdered infant formula by dry mixing.
The gender specific compositions of the invention may also be prepared from a gender neutral synthetic nutritional composition in a method comprising； measuring out an appropriate amount of said gender neutral synthetic nutritional composition and mixing it with an additive and/or diluent e.g. water so as to arrive at a gender specific nutritional composition in accordance with the invention.
The additive may be a gender specific additive comprising alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in a particular concentration so that when mixed with the gender neutral synthetic nutritional composition, and optionally a diluent, the resulting mixture is a gender specific synthetic nutritional composition of the invention.
The gender neutral synthetic nutritional composition can be prepared by methods well known in the art. For example, as laid out above for infant formula.
One or more of the gender specific synthetic nutritional compositions of the invention can be included in a nutritional system.
The term “nutritional system” as used herein refers to a collection of more than one synthetic nutritional composition advertised or sold as part of the same product range e.g. a collection of infant formulas sold under the same brand and adapted to the nutritional needs of infants of differing genders and/or ages. The synthetic nutritional compositions making up the nutritional system may be packaged individually e.g. in capsules or boxes. Said packages can be sold individually, grouped together e.g. wrapped by plastic film or combined in a box or, in a combination of these two ways.
The nutritional system may comprise only gender specific synthetic nutritional compositions, or, it may comprise a mix of gender specific and gender neutral synthetic nutritional compositions.
The term “gender neutral” as used herein is synonymous with unisex.
In a further aspect of the present invention there is provided a nutritional system comprising at least one of the gender specific synthetic nutritional compositions of the invention.
In an embodiment the nutritional system comprises a gender specific synthetic nutritional composition for a male infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, and, a gender specific synthetic nutritional composition for a female infant of up to 1 month of age, more particularly 2 weeks to 1 month of age.
In an embodiment the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in said male gender specific synthetic nutritional composition is higher than that of said female gender specific synthetic nutritional composition.
The concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the male gender synthetic nutritional compositions may be higher by any amount.
In an embodiment the ratio of the concentration of alanine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:5.08 to 1:1.0003, 1:5.18 to 1:1.08； or 1:1.7 to 1:1.08.
In an embodiment the ratio of the concentration of histidine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.9 to 1:1.001, 1:3.9 to 1:1.04, or 1:3.6 to 1:1.09.
In an embodiment the ratio of the concentration of Isoleucine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.07 to 1:1.01, 1:3.07 to 1:1.01, or 1:1.5 to 1:1.05.
In an embodiment the ratio of the concentration of proline between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1:3.6 to 1:1.004, 1:3.6 to 1:1.06, or 1:1.5 to 1:1.07.
In an embodiment the ratio of the concentration of valine between the female gender specific nutritional composition and male gender specific synthetic nutritional composition is 1.4.4 to 1:1.001, 1:4.4 to 1:1.07, or 1:1.6 to 1:1.07.
In an embodiment the male gender specific synthetic nutritional composition contains 0.001 to 155.8, 5.22 to 155.8, or 5.22 to 81.2, mg/100g more alanine than the female gender specific synthetic nutritional composition.
In an embodiment the male gender specific synthetic nutritional composition contains 0.001 to 82.1, 1.2 to 82.1, or 4.25 to 29.5, mg/100g more histidine than the female gender specific synthetic nutritional composition.
In an embodiment the male gender specific synthetic nutritional composition contains 0.001 to 105, 0.6 to 105, or 4.18 to 52.2, mg/100g more Isoleucine than the female gender specific synthetic nutritional composition.
In an embodiment the male gender specific synthetic nutritional composition contains 0.001 to 209.7, 6.4 to 209.7, or 7.44 to 108, mg/100g more proline than the female gender specific synthetic nutritional composition.
In an embodiment the male gender specific synthetic nutritional composition contains 0.001 to 197.7, 6.4 to 192.7, or 6.47 to 99.7, mg/100g more valine than the female gender specific synthetic nutritional composition.
In addition to that disclosed hereinabove, the referenced study further indicated that between 31 days and 240 days postpartum there is no difference in the mean concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM depending on the gender of the mother’s infant.
In another embodiment the nutritional system further comprises gender specific synthetic nutritional compositions for infants more than 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine does not differ by gender for infants of the same age.
In another embodiment the nutritional system further comprises gender neutral specific synthetic nutritional compositions for infants more than 1 month of age.
Non limiting examples of ages, or ranges thereof, more than 1 month, include: 1-2mths, 2mth, 2-4mths, 3-6mths, 4-6mths, 4-8mths 6-12mths, 7-12mths.
The nutritional system may further comprise nutritional compositions for children older than 12months.
A gender specific synthetic nutritional composition and/or nutrition system according to the invention is particularly suitable for use in a method of preparing single servings of infant formula using capsules, each capsule of which contains a unit dose of a synthetic nutritional composition in concentrated form, and which is equipped with opening means contained within the capsule to permit draining of the reconstituted synthetic nutritional composition directly from the capsule into a receiving vessel such as a baby bottle. Such a method is described in WO2006/077259.
The different synthetic nutritional compositions, including gender specific and gender neutral synthetic nutritional compositions, which may be comprised within a nutrition system, may be packed into individual capsules and presented to the consumer in multipacks containing a sufficient number of capsules to meet the requirements of an infant of a particular age or range for one week for example. Suitable capsule constructions are disclosed in WO2003/059778.
The capsules can contain the synthetic nutritional compositions, (gender specific and gender neutral) in the form of powders or concentrated liquids in both cases for reconstitution by an  appropriate amount of water. Both the composition and the quantity of infant formula in the capsules may vary according to the gender and/or age of the infant. If necessary, different sizes of capsules may be provided for the preparation of infant formulas for infants of different genders and/or ages.
The gender specific synthetic nutritional compositions, or nutritional systems comprising them, better reflect the differences in the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM found by gender at one or more stages of lactation. As stated herein, optimum alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine intake is necessary to ensure the optimum growth and development of an infant.
In another aspect of the present invention there is provided a gender specific synthetic nutritional composition and/or nutritional system as disclosed herein for use to treat, prevent or mitigate sub optimal growth of an infant e.g. obesity .
In another aspect of the present invention there is provided the use of a gender specific synthetic nutritional composition and/or nutritional system as disclosed herein for use in the manufacture of a medicament for use to treat, prevent or mitigate sub optimal growth and development e.g. obesity, of an infant.
A gender specific synthetic nutritional composition may provide an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, to an infant up to 1 month of age, more particularly 2 weeks to 1 month of age.
The nutritional system may provide an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, for example an infant up to 12 months of age, up to 9 months of age, up to 8 months of age, up to 6 months of age, up to 3 months of age, up to 1 month of age, up to 2 weeks of age.
In another aspect of the present invention there is provided a method for providing an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, to an  infant, in particular an infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, comprising:
a) Optionally preparing a gender specific synthetic nutritional compositions according to the invention from a gender neutral synthetic nutritional composition；
b) Feeding a gender specific synthetic nutritional composition according to the invention to an infant up to 1 month of age, more particularly 2 weeks to 1 month of age.
As stated herein. The gender specific synthetic nutritional compositions may be prepared from gender neutral synthetic nutritional compositions. Accordingly, in another aspect of the present invention there is provided a kit for providing an optimized amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine, to an infant, in particular a a male or female infant of up to 1 month of age, more particularly 2 weeks to 1 month of age, the kit comprising:
a) A gender neutral synthetic nutritional composition
b) A label indicating dosage requirements for an infant so as to arrive at a gender specific nutritional composition in accordance with the invention.
The dosage requirements may be with respect to the quantity of the gender neutral synthetic nutritional employed and/or consumption frequency e.g. 4 times per day.
Subjects included in the survey referenced herein were recruited from 4 provinces across China. Accordingly, the gender specific synthetic nutritional compositions and/or nutritional systems disclosed herein can be particularly relevant for Chinese infants, and or infants born in populations having common genetic origins and/or ethnic origins and/or common dietary habits thereto e.g. Asian, Indian, and/or Mongoloid populations.
It should be appreciated that all features of the present invention disclosed herein can be freely combined and that variations and modifications may be made without departing from the scope of the invention as defined in the claims. Furthermore, where known equivalents exist to  specific features, such equivalents are incorporated as if specifically referred to in this specification.
There now follows a series of non-limiting examples that serve to illustrate the invention.
Examples
Example 1
The concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in HM samples collected from mothers to either male or female infants was analysed at various stages postpartum. The HM samples were collected as part of a cross sectional survey of HM. The study criteria is set out below:
Study population
·Number of subjects
Total 540 healthy subjects were enrolled, allowing a drop-out rate of 10 percent. They were comprised of:
–480 Lactating mothers in 3 cities (Beijing, Suzhou and Guangzhou)
–30 mothers per city for each of the 5 time points (5 to11 days, 2 weeks to 1 month, 1 to 2 months, 2 to 4 months and, 4 to 8 months)
Inclusion/Exclusion criteria
·Inclusion: Healthy Chinese lactating mothers without history of acute and chronic diseases； exclusively breast feeding mothers during 4 months after delivery were enrolled.
·Exclusion: Chinese lactating mothers having history of psychopathic tendencies and having no dietary memory.
The concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the HM samples collected as part of the above detailed study were analyzed using firstly acid hydrolysis in 6 M hydrochloric acid at 110℃for 22 hrs with phenol antioxidant in the absence of oxygen to liberate all protein-bound amino acids, followed secondly by high-sensitivity amino acid analysis using derivatisation with o-Phthalaldehyde (OPA) and 9-Fluorenylmethyl  Chloroformate (FMOC) , and fluorescence detection (Blankenship D.T. et al. (1989) Analytical Biochemistry 178: 227) .
The results of the compositional analysis of the HM survey, with respect to the concentration of Alanine, histidine, isoleucine, proline and, valine are shown in tables I, II, III, IV and, V respectively.
Figure PCTCN2015076058-appb-000001
Table I
Figure PCTCN2015076058-appb-000002
Figure PCTCN2015076058-appb-000003
Table II
Figure PCTCN2015076058-appb-000004
Figure PCTCN2015076058-appb-000005
Table III
Figure PCTCN2015076058-appb-000006
Table IV
Figure PCTCN2015076058-appb-000007
Figure PCTCN2015076058-appb-000008
Table V
The results of the compositional analysis were then subject to a statistical analysis employing the following statistical model:
Concentration＝sex+timeframe+timeframe+sex : timeframe–city+ε
ε referring to the residual error and sex: timeframe referring to the interaction between these 2 variables.
Table VI, VII, VIII, IX, X shows the estimates for gender differences per timeframe along with the corresponding Pvalues for alanine, histidine, isoleucine, proline and, valine respectively.
Figure PCTCN2015076058-appb-000009
Figure PCTCN2015076058-appb-000010
Table VI
Figure PCTCN2015076058-appb-000011
Figure PCTCN2015076058-appb-000012
Table VII
Figure PCTCN2015076058-appb-000013
Table VIII
Figure PCTCN2015076058-appb-000014
Figure PCTCN2015076058-appb-000015
Table IX
Figure PCTCN2015076058-appb-000016
Figure PCTCN2015076058-appb-000017
Table X
A P-value inferior to 0.1 for a particular timeframe suggests that there is a statistically significant difference in the concentration of alanine, histidine, isoleucine, proline, or valine in HM produced for males and females infants at that specific timeframe.
As can be seen from the results in table II, a statistically significant difference in the mean alanine, histidine, isoleucine, proline, and valine concentration between HM produced for male and female infants was identified at 2 weeks to 1 month postpartum. No statistically significant difference was identified in the mean concentration between HM produced for male and female infants older than 30 days postpartum Viz. 1 to 2 months, 2 to 4 months and 4 to 8 months.
Example 2
Examples of gender specific infant formulas are given in table XI
Figure PCTCN2015076058-appb-000018
Figure PCTCN2015076058-appb-000019
Figure PCTCN2015076058-appb-000020
Table XI
Example 3
An example of a nutritional system in accordance with the invention is given in table XII.
Figure PCTCN2015076058-appb-000021
Figure PCTCN2015076058-appb-000022
Table XII

Claims (13)

  1. A gender specific synthetic nutritional composition for an infant up to 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine is adapted based on that found in human milk produced for an infant of the same gender and age.
  2. A gender specific synthetic nutritional composition according to claim 1 wherein, if the concentration of alanine is adapted to a male infant it is 32.7 to 193.1 mg per 100g and, if the concentration of alanine is adapted to a female infant it is 32.7 to 111.9 mg per 100g； if the concentration of histidine is adapted to a male infant it is 29.4 to 110.3 mg per 100g and, if the concentration of histidine is adapted to a female infant it is 28.2 to 80.8 mg per 100g； if the concentration of isoleucine is adapted to a male infant it is 51.1 to 155.5 mg per 100g and, if the concentration of isoleucine is adapted to a female infant it is 50.5 to 103.3 mg per 100g； if the concentration of proline is adapted to a male infant it is 87.5 to 290.8 mg per 100g and, if the concentration of proline is adapted to a female infant it is 81.1 to 182.8 mg per 100g； if the concentration of valine is adapted to a male infant it is 51.5 to 249.6 mg per 100g and, if the concentration of valine is adapted to a female infant it is 56.9 to 149.9 mg per 100g.
  3. A composition according to claim 1 or 2 wherein, the gender specific syntheticnutritional composition is selected from the groups consisting of: infant formula, and a composition for infants that is intended to be added to or diluted with human milk.
  4. A method of preparing a composition as defined in any one of claims 1 to 3 comprising:
    measuring out an appropriate amount of a gender neutral synthetic nutritional composition and mixing it with an additive and/or diluent.
  5. A nutritional system comprising a gender specific synthetic nutritional composition as defined in any one of claims 1 to 3.
  6. A nutritional system according to claim 5 comprising one gender specific synthetic nutritional composition for a male infant of up to 1 month of age as defined in claim 1 or 2 and, one gender specific nutritional composition for a female infant of up to 1 month  as defined in claim 1 or 2 wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in the synthetic nutritional composition for a male infant is higher than in that for the female infant.
  7. A nutritional system according to claim 5 or 6  further comprising a gender specific synthetic nutritional composition for an infant of more than 1 month of age wherein, the concentration of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine in said gender specific synthetic nutritional compositions does not differ by gender for infants of the same age.
  8. A nutritional system according to any one of claims 5 to 7 further comprising a gender neutral synthetic nutritional composition for infants of more than 1 month of age.
  9. Use of a gender specific synthetic nutritional composition as defined in anyone of claims 1 to 3 to provide an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, in particular an infant of up to 1 month of age.
  10. A gender specific synthetic nutritional composition as defined in anyone of claims 1 to 3for use to treat, protect or mitigate sub optimal growth and development of an infant.
  11. A method for providing an optimum amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, in particular an infant of up to 1 month of age comprising:
    a.Optionally preparing a gender specific nutritional compositions as defined in any one of claims 1 to 3 from a gender neutral synthetic nutritional composition；
    b.Feeding a gender specific nutritional compositions as defined in any one of claims 1 to 3 to an infant of up to 1 month of age.
  12. A nutritional system as defined in anyone of claims 5 to 8 for use to treat, protect or mitigate sub optimal growth and development of a male or female infant.
  13. A kit for providing an optimized amount of alanine, and/or histidine, and/or isoleucine, and/or proline, and/or valine to an infant, in particular an infant of up to 1 month of age, the kit comprising:
    a.A gender neutral synthetic nutritional composition
    b.A label indicating dosage requirements for an infant so as to arrive at a gender specific nutritional composition as defined in any one of claims 1 to 3.
PCT/CN2015/076058 2014-04-09 2015-04-08 Gender specific synthetic nutritional compositions and nutritional systems comprising them WO2015154667A1 (en)

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