US20150237887A1 - Use of fat compositions for sustaining an enhanced palatability of pet food over time - Google Patents

Use of fat compositions for sustaining an enhanced palatability of pet food over time Download PDF

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Publication number
US20150237887A1
US20150237887A1 US14/427,809 US201314427809A US2015237887A1 US 20150237887 A1 US20150237887 A1 US 20150237887A1 US 201314427809 A US201314427809 A US 201314427809A US 2015237887 A1 US2015237887 A1 US 2015237887A1
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fat
palatability
composition
food
fatty acid
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Laurence Callejon
Anne Levesque
Cécile Niceron
Bernard Le Breton
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Specialites Pet Food SAS
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Specialites Pet Food SAS
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Assigned to SPECIALITES PET FOOD reassignment SPECIALITES PET FOOD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CALLEJON, LAURENCE, LE BRETON, Bernard, NICERON, Cécile, LEVESQUE, ANNE
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    • A23K1/164—
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • A23K1/18—
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/20—Shaping or working-up of animal feeding-stuffs by moulding, e.g. making cakes or briquettes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/30—Shaping or working-up of animal feeding-stuffs by encapsulating; by coating
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/40—Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/40—Feeding-stuffs specially adapted for particular animals for carnivorous animals, e.g. cats or dogs
    • A23K50/42—Dry feed
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/25—Shaping or working-up of animal feeding-stuffs by extrusion
    • 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
    • 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
    • A23V2200/08—Food product presented as a kit of parts
    • 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
    • A23V2200/14—Mouthfeel improving agent
    • 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
    • A23V2200/15—Flavour affecting agent
    • 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
    • A23V2200/16—Taste affecting agent
    • 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
    • A23V2250/00—Food ingredients
    • A23V2250/18—Lipids
    • 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
    • A23V2250/00—Food ingredients
    • A23V2250/18—Lipids
    • A23V2250/186—Fatty acids

Definitions

  • the present invention relates to the field of pet food.
  • the present invention concerns the use of a fat composition for sustaining an enhanced palatability of a food for pet over time, wherein said fat composition has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3.
  • the present invention further concerns the use of said fat composition for preparing other enhanced palatability-sustaining fat compositions as well as foods for pet, all compositions and foods having an enhanced palatability sustained over time.
  • Pets are well taken care of by their owners which provide them a proper selection of foods. Those foods include not only pets' usual nutritionally-balanced diet, but also supplements, treats, and toys. Pets, like humans, are attracted to and eat more regularly and easily foods which they find palatable. Therefore, palatability enhancers are extremely important for animal consumption. Animal foods such as pet foods typically contain flavour compositions to increase the palatability thereof, and to make them appealing to pets.
  • Foods for pet are generally expected to have a rather long shelf life.
  • shelf life of dry pet foods is typically from about 12 to about 18 months. There is thus an interest to be able to ensure palatability of the foods for pet at least until their best-before date.
  • the present invention precisely addresses this need by providing new compositions having an enhanced palatability-sustaining effect over time.
  • FIG. 1 Graph 1 illustrates comparative results obtained with stored “PE 00”/“PE 20”/“PE 30” in examples 4/9/11.
  • FIG. 2 Graph 2 illustrates comparative results obtained with stored “PE 12”/“PE 22”/“PE 32” in examples 5/10/12.
  • FIG. 3 Graph 3 illustrates comparative results obtained with stored kibbles coated with “PE 12bis”/“PE 22”/“PE 32” in examples 6/7/8.
  • percentages are expressed herein by weight of a product reference (in particular, a fat composition).
  • dry matter basis means that an ingredient's concentration or percentage in a composition is measured after the free water has been removed, or determined on the basis of the weight of the composition once the weight of any free moisture in the composition has been subtracted.
  • ranges are stated in shorthand, so as to avoid having to set out at length and describe each and every value within the range. Any appropriate value within the range can be selected, where appropriate, as the upper value, lower value, or the terminus of the range.
  • a range of 0.1-1.0 represents the terminal values of 0.1 and 1.0, as well as the intermediate values of 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, and all intermediate ranges encompassed within 0.1-1.0, such as 0.2-0.5, 0.2-0.8, 0.7-1.0, etc.
  • references “a”, “an”, and “the” are generally inclusive of the plurals of the respective terms.
  • reference to “a method” or “a food” includes a plurality of such “methods” or “foods”.
  • the words “comprise”, “comprises”, and “comprising” are to be interpreted inclusively.
  • the terms “include”, “including” and “or” should all be construed to be inclusive. All these terms however have to be considered as encompassing exclusive embodiments that may also be referred to using words such as “consist of”.
  • fat As used herein, the terms “fat”, “oil”, and “lipid” are synonymous and encompass also mixtures of fats or oils.
  • Animal fats as well as vegetable oils and/or marine oils can be used. Any commercially-available source of animal, vegetable, marine fat can be tested.
  • Plant oils are typically canola oil, soybean oil, corn oil, olive oil, sunflower oil, linseed oil, peanut oil, palm oil, palm kernel oil, safflower oil, rapeseed oil, cottonseed oil, coconut oil, and the like.
  • Typical animal fats are beef fat (including beef tallow), pork fat (including pork lard), poultry fat (including chicken fat, turkey fat, duck fat, and combinations thereof), and the like.
  • Marine oils are typically tuna oil, sardine oil, salmon oil, menhaden oil, anchovy oil, fish oil, and the like. Also are encompassed herein fats that are derived from animal, plant, marine sources, or that are produced by animals and plants. As used herein the term “fat” encompassed fats that have been processed (e.g. refined . . . ).
  • fat composition means any composition which comprise at least a lipid, in particular at least one fatty acid.
  • fats are known to contain large quantities of triglycerides.
  • “Triglycerides” are formed when three fatty acid molecules react with glycerol so that covalent ester bonds are formed between the glycerol molecule and the fatty acids.
  • fatty acids that are common in nature tend to have between 10 and 20 carbons. They can comprise one or more unsaturated bonds between adjacent carbon atoms.
  • fatty acids include capric acid (10 carbons, C10:0), lauric acid (12 carbons, C12:0), myristic acid (14 carbons, C14:0), palmitic acid (16 carbons, C16:0), and stearic acid (18 carbons, C18:0), (all of which are saturated), as well as oleic, linoleic, and linolenic acids (C18 with 1, 2, and 3 unsaturated bonds, respectively), arachidic and arachidonic acid (20 carbons with 0 and 4 unsaturated bonds, respectively).
  • palatability means a relative preference of an animal for one food composition to another. Palatability refers to the overall willingness of an animal to eat a certain food. Advantageously but not necessarily, palatability further refers to the capacity of the eaten food to satisfy the animal. Whenever an animal shows a preference, for example, for one of two or more foods, the preferred food is more “palatable”, and has “enhanced palatability”.
  • the relative palatability of one food compared to one or more other foods can be determined, for example, in side-by-side, free-choice comparisons, e.g., by relative consumption of the foods, or other appropriate measures of preference indicative of palatability.
  • two-bowl test or “versus test” (see below).
  • versus test any of the animal's senses, but typically is related to, inter alia, taste, aroma, flavour, texture, smell and/or mouth feel.
  • a pet food stated herein to have “enhanced palatability” is one for which a pet exhibits preference relative to a control composition.
  • a pet food having enhanced palatability is appealing or pleasing not just to pets, but to pet owners as well.
  • palatability enhancers mean any material that enhances the palatability of a food composition to an animal.
  • a palatability enhancer may be a single material or a blend of materials, and it may be natural, processed or unprocessed, synthetic, or part of natural and part of synthetic materials.
  • a palatability enhancer for animal food is an edible composition that provides an aroma, taste, aftertaste, smell, mouth feel, texture, and/or organoleptic sensation that is appealing or pleasing to the target animal.
  • compositions containing fat or containing fat and animal digests that are disclosed below are palatability enhancers. Of interest, their palatability-enhancing effect is sustained over time.
  • a palatability enhancer may for example contribute to initial food appeal by its smell and/or to continued consumption by its smell but also by its taste and/or its aftertaste, and/or its mouth feel, and/or its texture.
  • “Initial appeal” or “attractiveness” is an aspect of palatability that induces an animal to initially taste or try a food, and that can be measured by the criteria “first choice” or “first food consumed”. This criterion identifies which food first attracts the pet to eat and is expressed as an absolute value.
  • Continuous consumption is an aspect of palatability that induces an animal to continue consuming a food that has been initially only tasted or tried. Continued consumption can be evaluated by determining a “consumption ratio” or “intake ratio”. The “consumption ratio” measures the consumption of one food relative to another and is expressed as a relative value (see a detailed description of a method for assessing palatability below).
  • animal is used in a general sense and means a human or other animal that may choose an edible composition based upon its palatability, including avian, bovine, canine, equine, feline, lupine, murine, ovine, and porcine animals, thus encompassing pets.
  • the present invention preferably concerns pets.
  • pet and “companion animal” are synonymous and mean any domesticated animal including, without limitation, cats, dogs, rabbits, guinea pigs, ferrets, hamsters, mice, gerbils, birds, horses, cows, goats, sheep, donkeys, pigs, and the like.
  • dogs are preferred.
  • the invention can be adapted for use with other classes of companion animals. If desired, the invention can be tested to evaluate its suitability for use with different classes of animals that may be considered as companion animals.
  • food means a product or composition that is intended for ingestion by an animal and provides at least one nutrient to the animal.
  • the term “food” includes any food, feed, snack, food supplement, treat, toy (chewable and/or consumable toys), meal substitute, or meal replacement.
  • Food encompasses such products in any form, solids, liquids, gels, or mixtures or combinations thereof. Preferably, drinks and beverages are not encompassed within the term “food.”
  • pet food or “food for pet” mean a composition intended for consumption by a pet.
  • Nutritionally-balanced pet foods are widely known and used in the art.
  • a “nutritionally-complete”, “nutritionally-balanced” or “complete and nutritionally-balanced food” is one that contains all known required nutrients for the intended recipient or consumer of the food, in appropriate amounts and proportions based, for example, on recommendations of recognized or competent authorities in the field of companion animal nutrition. Such foods are therefore capable of serving as a sole source of dietary intake to maintain life, without the addition of supplemental nutritional sources.
  • kibble refers to particulate chunks or pieces formed by either a pelleting or extrusion process. Typically, kibbles are produced to give dry and semi-moist pet food.
  • the pieces can vary in sizes and shapes, depending on the process or the equipment. For instance, kibbles can have spherical, cylindrical, oval, or similar shapes. They can have a largest dimension of less than about 2 cm for example.
  • chunk-in-“X” products mean herein all edible foodstuffs comprising chunks in a preparation (said preparation being “the X preparation”).
  • Classical examples thereof are chunk-in-jelly products, chunk-in-gravy products, and the like.
  • This category of “chunk-in-X” products encompasses also edible forms other than chunks that may be contained in the X preparation such as a jelly, a gravy, and the like. For instance, other forms than chunks may be sliced products, grated products, etc.
  • lact refers to edible foodstuffs obtained as moist products, and includes terrines, pâtés, mousses, and the like.
  • diet supplement or “dietary supplement” or “supplement” means a product that is intended to be ingested in addition to the normal animal diet.
  • Dietary supplements may be in any form, e.g., solid, liquid, gel, tablets, capsules, powder, and the like. Preferably they are provided in convenient dosage forms. In some embodiments, they are provided in bulk consumer packages such as bulk powders, liquids, gels, or oils. In other embodiments, supplements are provided in bulk quantities to be included in other food items such as snacks, treats, supplement bars, beverages, and the like. Palatability-enhancing compositions can be used to improve palatability of dietary supplements in the same manner as they are used to improve palatability of nutritionally-balanced foods.
  • treat means any food item that is designed to be fed to a pet, preferably at non-meal time, by the owner to help, promote or sustain a bonding process between a pet and its owner.
  • treats for dogs are bones.
  • treats for cats are stuffed pillows and chewable sticks. Treats may be nutritional or not. Treats often contain palatability enhancers in a manner comparable to nutritionally-balanced foods.
  • Toys include, for example chewable toys. Examples of toys for dogs are artificial bones. Toys for cats are, for example, chewable. Toys further include partially consumable toys (e.g., comprising plastic components) or fully consumable toys (e.g., rawhides).
  • partially consumable toys e.g., comprising plastic components
  • fully consumable toys e.g., rawhides
  • animal digest means herein material which results from chemical and/or enzymatic hydrolysis of clean, undecomposed animal tissue.
  • an animal digest as used herein is fully consistent with the definition promulgated by the Association Of American Feed Control Officials, Inc. (AAFCO).
  • Animal digest is preferably derived from animal tissues, including cold-blooded marine animals, excluding hair, horns, teeth, hooves, and feathers. The skilled artisan will appreciate that while such tissues are not preferred, trace amounts might be found unavoidably even under good manufacturing practices. Also not included are visceral contents or foreign or fecal matter, although trace contaminant amounts are sometimes present.
  • An animal digest may be dried or not. Examples of animal digests are:
  • Animal digests may also be referred to as “animal products” or “animal by-products”, all these terms being used herein as synonymous.
  • air products and by-products include, without limitation, products and by-products derived from cheese, milk, whey, and the like.
  • yeast herein refers to any yeast, preferably inactive, as well as to yeast by-products that are compatible with compositions for animal consumption.
  • Yeasts are well known in the art as being protein-rich.
  • Yeasts include, without limitation, brewer's yeast, baker's yeast, torula yeast, molasses yeast, and the like.
  • Yeast by-products include, without limitation, yeast extracts, yeast hydrolysates, cream yeasts, etc.
  • a “pet food ingredient” is any compound, composition or material that is suitable for pet consumption.
  • Non-limiting examples of pet food ingredients are palatability enhancers, animal digests, proteins, peptides, amino acids, grains, carbohydrates, fats or lipids, nutrients, anti-oxidants, preservatives, surfactants, texturing agents, colouring agents, flavors, seasonings, etc.
  • a “pet food preparation” is any compound, composition or material that is used for preparing food products for pet consumption, i.e. pet food products.
  • Non-limiting examples of pet food preparation include one or more ingredients chosen from the group of: palatability enhancers, animal digests, nitrogen compounds (e.g., proteins, peptides, and amino acids), carbohydrates, fats or lipids, nutrients, preservatives including anti-oxidants, surfactants, texturing or texturizing or stabilizing agents, colouring agents, inorganic phosphate compounds, etc.
  • Such ingredients may be comprised as such in the pet food preparation, or they can be contacted into the preparation and react in situ for producing transformed materials that are also encompassed in the group of ingredients of a “pet food preparation”.
  • ingredients that react together in the preparation are, without limitation, nitrogen compounds and carbohydrates, so as to obtain transformed materials such as Maillard reaction products, and the like.
  • a “palatability-enhancing composition ingredient” is any compound, composition or material that is suitable for pet consumption.
  • palatability-enhancing composition ingredients are animal digests, vegetarian palatability-enhancing composition ingredients, Maillard ingredients, Maillard reaction products, proteins, peptides, amino acids, carbohydrates, fats, nutrients, anti-oxidants, preservatives, surfactants, texturing agents, flavors, etc.
  • Ingredients may be comprised as such in the palatability-enhancing composition, or they can be contacted into the composition and react in situ for producing transformed materials that are also encompassed by the term “palatability-enhancing composition ingredient”.
  • ingredients that react together in the composition are, without limitation, fats, peptides, amino acids, and carbohydrates, so as to obtain transformed materials such as Maillard reaction products, and the like.
  • Maillard reaction product means herein any compound produced by a Maillard reaction.
  • a Maillard reaction product is a compound that provides flavour and/or color and/or odor and/or taste and/or aftertaste.
  • ⁇ vegetarian palatability-enhancing composition ingredients>> means herein materials free of meat or animal products, and derived from or isolated from plant, bacterial, fungal or algal sources, or single compounds not obtained from animal sources.
  • Vegetarian palatability-enhancing composition ingredients can be dry or liquid.
  • a vegetarian palatability-enhancing composition ingredient can include:
  • Proteins include all conventional protein sources that are compatible for animal consumption, especially plant or vegetable proteins, animal proteins (such as casein or albumin or animal digests), and microbial proteins (such as yeast or fungi or algal).
  • vegetable proteins examples include corn gluten, soy protein, soy flour, hydrolyzed vegetable protein (HVP), and the like.
  • grains are corn, milo, alfalfa, wheat, barley, rice, soy, and the like.
  • carbohydrates examples include dextrose, fructose, sucrose, polysaccharides, fibers, starches, and the like.
  • nutrients include, without limitation, vitamins, minerals and electrolytes, such as vitamins A, C, E, B12, D3, folic acid, D-biotin, cyanocobalamin, niacinamide, thiamine, riboflavin, pyridoxine, menadione, beta-carotene, calciumpantothenate, choline, inositol, calcium, potassium, sodium, zinc, iron, manganese, copper, iodine, and the like.
  • vitamins, minerals and electrolytes such as vitamins A, C, E, B12, D3, folic acid, D-biotin, cyanocobalamin, niacinamide, thiamine, riboflavin, pyridoxine, menadione, beta-carotene, calciumpantothenate, choline, inositol, calcium, potassium, sodium, zinc, iron, manganese, copper, iodine, and the like.
  • Anti-oxidants and preservatives are, for example, tocopherols, rosemary extract, potassium sorbate, sorbic acid, phosphoric acid, and the like.
  • “Surfactants” are molecules that are surface active. They typically have a hydrophilic portion (e.g., one or more head groups) and a hydrophobic (or lipophilic) portion (e.g., one or more tails). They are classified in various ways, for example according to their hydrophilic-lipophilic balance (HLB). They can also or alternatively be classified as non-ionic, ionic or zwitterionic compounds based on the presence or absence of formally-charged in the head group(s). Surfactants are well-known in the art. One can cite, for example, Tween surfactants. Surfactants include, without limitation, emulsifiers and wetting agents. In some instances, the terms “surfactants” and “emulsifiers” can be used interchangeably.
  • seasonings include corn syrup and molasses.
  • a “texturing agent” or “texturizing agent” or “stabilizing agent” is an ingredient that affects the texture or the mouthfeel of an edible product, e.g., a component that increases the viscosity of an edible product. Examples thereof are xanthan, alginate, carragheenans, guar gum, Arabic gum, and the like.
  • a “thermal reaction” is a reaction obtained by combining at an elevated temperature, at least one carbohydrate, preferably a reducing sugar, and at least one nitrogen compound (e.g., an amino acid). Such a reaction may actually include various concomitant and/or successive reactions, including, e.g., Maillard reaction(s). It is thus meant herein by the term “Maillard ingredient(s)” or “Maillard precursor(s)”, one or more carbohydrates, preferably reducing sugars; and/or one or more nitrogen compounds. Indeed, Maillard ingredients are ingredients used to achieve one or more thermal reactions as defined above.
  • carrier means a usually inactive substance that is used in association with an active compound or mix of compounds. Under these circumstances, a “carrier” typically aids the application of said active compound or mix of compounds.
  • carrier can refer to a “carrier for concentrating” or “carrier for drying”, encompassing conventional compounds that are well-known in the art to perform a concentration or a drying step in a given method.
  • carriers for concentrating” or “carriers for drying” are microbial proteins (e.g., yeasts), animal proteins, vegetable proteins, carbohydrates (e.g., maltodextrin, cyclodextrin), as well as minerals or inorganic compounds, including inorganic phosphate compounds.
  • carrier when used herein will be clear to the skilled artisan based on the context and in light of his general knowledge in the art.
  • Coating refers to the topical deposition of the palatability-enhancing composition onto the surface of the basal food composition, such as by spraying, dusting, and the like.
  • inclusion refers to the addition of the palatability-enhancing composition internally to the pet food preparation, by mixing it with other pet food ingredients, before further processing steps for obtaining the final pet food product (including thermal treatment and/or extrusion and/or retorting, etc).
  • fat may be treated mechanically and/or thermally and/or chemically and/or enzymatically. All these treatments actually involve hydrolysis of fat. If hydrolysis is complete, then glycerol and fatty acids (and/or modified versions thereof, such as salts) are released by breaking apart all the triglyceride ester bonds. If hydrolysis is partial, then the resulting mixture contains one or more molecules selected from triglycerides, diglycerides, monoglycerides, glycerol, and fatty acids (and/or modified versions thereof, such as salts).
  • lipases catalyze the hydrolysis of triglycerides to glycerol and fatty acids.
  • Lipases can be from various origins: microbial lipases (e.g., lipases from microorganisms such as yeasts, fungi and bacteria), animal lipases (from kid, lamb, calf, pork), plant lipases (e.g., originating from seeds such as oat seeds and castor seeds), and the like.
  • microbial lipases e.g., lipases from microorganisms such as yeasts, fungi and bacteria
  • animal lipases from kid, lamb, calf, pork
  • plant lipases e.g., originating from seeds such as oat seeds and castor seeds
  • Commercially-available lipases are well-known in the art.
  • Fat can be hydrolyzed mechanically.
  • the fatty acids are produced by the action of heat and pressure in the presence of water (e.g., see JP-A-2003-113395).
  • One commonly-used commercial process for hydrolyzing fat is a high-temperature steam treatment method known as the “Colgate-Emery Steam Hydrolysis Process” (Brady et al. JAOCS 65:917-921 (1988)). This method and modifications thereof use a countercurrent reaction of water and fat under high temperatures ranging from about 240° C. to about 315° C. and high pressures in the range of about 700 to about 750 PSIG, for large-scale production of saturated fatty acids from fat.
  • Methods for mechanically and/or thermally and/or chemically and/or enzymatically hydrolyzing fat are not exclusive, which means that it is possible to combine one or more of these methods to achieve hydrolysis to a desired degree (complete or partial hydrolysis).
  • high pressure and temperature hydrolysis mechanical and thermal hydrolysis usually has an induction period at an initial stage of the reaction before hydrolysis starts.
  • fat can first be partially hydrolyzed by enzymatic hydrolysis using an appropriate lipase to prepare partially-hydrolyzed fat which can in turn be submitted to high pressure and temperature hydrolysis.
  • the determination of “acid value” or “oleic acidity” is one of the most common analyses performed for evaluating the extent of fat hydrolysis (i.e., the degree of completeness of a fat hydrolysis reaction).
  • Containers include, but are not limited to, bags, boxes, cartons, bottles, packages of any type or design or material, over-wrap, shrink-wrap, stapled or otherwise affixed components, or combinations thereof, that are used to store materials.
  • single package means that the components of a kit are physically associated in or with one or more containers and considered a unit for manufacture, distribution, sale, or use.
  • a single package may be containers of individual components physically associated such that they are considered a unit for manufacture, distribution, sale, or use.
  • a “means for communicating information or instructions” is a kit component under any form suitable for providing information, instructions, recommendations, and/or warranties, etc.
  • Such a means can comprise a document, digital storage media, optical storage media, audio presentation, visual display containing information.
  • the means of communication can be a displayed web site, brochure, product label, package insert, advertisement, visual display, etc.
  • the Inventors could find out advantageous recipes and procedures for preparing enhanced palatability-sustaining compositions for use in pet food, said compositions exhibiting sustained palatability-enhancing capacities upon storage over time.
  • a fat composition having a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3 exhibits sustained palatability-enhancing capacities upon storage over time, both alone, in combination with other palatability-enhancing ingredients in a palatability enhancer and also in combination with a pet food preparation in a pet food.
  • the present invention concerns the use of a fat composition (in particular in a pet food, preferably with the exception of a drink fat composition and of a beverage fat composition) for sustaining an enhanced palatability of a pet food (food for pet) over time (in particular in comparison with said pet food which does not comprise said fat composition), wherein said fat composition has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, in particular from 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, in particular from 0.45 to 4.3.
  • said fat composition comprises C10:0, C12:0 and C14:0 fatty acids.
  • the C12:0/C10:0 fatty acid weight ratio is the lauric acid (dodecanoic acid)/capric acid (decanoic acid) ratio.
  • the C14:0/C12:0 fatty acid weight ratio is the myristic acid (tetradecanoic acid)/lauric acid (dodecanoic acid) ratio.
  • said fat composition has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and a C14:0/C12:0 fatty, acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3.
  • said C12:0/C10:0 fatty acid weight ratio is from about 0.85 to about 2.1, from 0.85 to 2.1 more particularly, from about 0.85 to about 1.9, from 0.85 to 1.9, even more particularly from about 0.85 to about 1.7, from 0.85 to 1.7 and even more particularly, from about 1 to about 1.7, from 1 to 1.7.
  • said C14:0/C12:0 fatty acid weight ratio is from about 0.55 to about 4.3, from 0.55 to 4.3, more particularly from about 0.65 to about 4.3, from 0.65 to 4.3, even more particularly, from about 0.85 to about 4.3, from 0.85 to 4.3, even more particularly, from about 1.30 to about 4.3, from 1.30 to 4.3, even more particularly, from about 1.85 to about 4.3, from 1.85 to 4.3, even more particularly from about 2.4 to about 4.3, from 2.4 to 4.3, even more particularly from about 3 to about 4.3, from 3 to 4.3.
  • said C14:0/C12:0 fatty acid weight ratio is from about 3 to about 4, from 3 to 4.
  • said fat composition comprises at least 0.1%, at least 0.5%, at least 1%, at least 5%, at least 10%, at least 15%, at least 20%, at least 25%, at least 30%, at least 35%, at least 40%, at least 45%, at least 50%, at least 55%, at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, more particularly at least 99%, at least 99.5%, at least 99.9% by weight of fatty acids based on the total weight of said fat composition.
  • said fat composition comprises an at least partially-hydrolyzed fat, particularly a hydrolyzed fat.
  • the oleic acidity of said fat composition is from about 8 to 100%, particularly from 8 to 100%, preferably from about 10 to 100%, from 10 to 100%, more preferably from about 12 to 100%, from 12 to 100% and even more preferably from about 14 to 100%, from 14 to 100%.
  • At least partial hydrolysis of fat can be achieved as defined above, i.e., mechanically and/or thermally and/or chemically and/or enzymatically.
  • the palatability-enhancing effect of the fat composition is sustained over time.
  • the fat composition is efficient for enhancing pet food palatability not only from its manufacturing but also after storage.
  • the fat composition can be prepared and immediately added to a food preparation for pet (no storage over time of the fat composition), or it can be prepared, stored during a period of time, and then added to a food preparation for pet.
  • the fat composition can be prepared and immediately mixed with other palatability-enhancing composition ingredients (such as animal digests, see below) to prepare a palatability enhancer to be added to a food preparation for pet (no storage over time of the fat composition), or it can be prepared, stored during a period of time, and then mixed with other palatability-enhancing composition ingredients to prepare such a palatability enhancer to be added to a food preparation for pet.
  • the storage period of time wherein the palatability-enhancing effect of the fat composition is sustained is of at least about 1.5 months, preferably of at least about 3 months, yet preferably of at least about 5 months, yet more preferably of at least about 6 months, yet even more preferably of at least about 8 months in an appropriate container at ambient temperature.
  • said fat composition is stored over at least about 12 months in an appropriate container at ambient temperature.
  • the palatability-enhancing effect of said fat composition is sustained over at least about 12 months, in particular at least 12 months, of storage of said fat composition before its addition to a pet food preparation thereby forming said pet food, particularly in an appropriate container at ambient temperature.
  • the fat composition is stored under ambient temperature.
  • An “ambient temperature” is typically a temperature ranging from about 15 to about 25° C., from 15 to 25° C., preferably from about 17 to about 23° C., from 17 to 23° C., yet preferably from about 19 to about 21° C., from 19 to 21° C., yet more preferably from about 20° C., from 20° C.
  • a storage temperature up to about 40° C. has no impact on the enhanced-palatability sustaining effect of the fat composition over a period of at least 3 months (see Examples below).
  • An appropriate container for storing the fat composition depends on the form thereof, i.e., whether the fat composition is a liquid or a powder.
  • An appropriate container for a liquid fat composition is, for instance, a barrel or a bucket. Examples of appropriate containers for a powder fat composition are bags.
  • the fat composition is submitted to one or more processing steps chosen from, inter alia:
  • said fat composition can further comprise one or more ingredients.
  • said fat composition can comprise at least one palatability-enhancing composition ingredient, particularly selected from the group consisting of animal digests, vegetarian palatability-enhancing composition ingredients, Maillard ingredients and Maillard reaction products, particularly animal digests.
  • at least one palatability-enhancing composition ingredient particularly selected from the group consisting of animal digests, vegetarian palatability-enhancing composition ingredients, Maillard ingredients and Maillard reaction products, particularly animal digests.
  • it can comprise one or more animal digests, resulting in a fat/animal digest(s) composition.
  • this fat composition further comprising palatability-enhancing composition ingredient(s), in particular animal digest(s), has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3.
  • said fat composition further comprising palatability-enhancing composition ingredient(s), in particular animal digest(s) has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3.
  • the weight ration of the total fatty acids to the palatability-enhancing composition ingredient(s) is from 0.1:99.9 to 99.9:0.1, particularly from 1:99 to 99:1, more particularly from 10:90 to 90:10.
  • the palatability-enhancing effect of said fat composition further comprising palatability-enhancing composition ingredient(s), in particular animal digest(s) is sustained over time.
  • the fat/animal digest(s) composition can be prepared and immediately added to a food preparation for pet (no storage over time of the fat/animal digest(s) composition), or it can be prepared, stored during a period of time, and then added to a food preparation for pet.
  • the storage period of time wherein the palatability-enhancing effect of the fat/animal digest(s) composition is sustained is of at least about 2.5 months, preferably of at least about 4 months, yet preferably of at least about 5 months, yet more preferably of at least about 6 months in an appropriate container at ambient temperature.
  • the palatability-enhancing effect of said fat composition comprising at least one palatability-enhancing composition ingredient, is sustained over at least about 6 months, in particular at least 6 months, of storage of said fat composition before its addition to a pet food preparation thereby forming said pet food, particularly in an appropriate container at ambient temperature.
  • Ambient temperature for storing a fat/animal digest(s) composition is as defined above. However, a storage temperature up to about 40° C. has no impact on the enhanced-palatability sustaining effect of the fat/animal digest(s) composition over a period of at least 4 months (see Examples below).
  • a fat/animal digest(s) composition are as described above in connection with a fat composition.
  • appropriate containers for storing the fat/animal digest(s) composition here again depend on the form thereof, i.e., whether the fat/animal digest(s) composition is a liquid or a powder.
  • appropriate containers for storing fat composition are bags, boxes, tanks, barrels.
  • the fat or fat/animal digest(s) composition (that is referred to in the claims as the “composition”) is added to a pet food preparation (food preparation for pet), thereby forming a pet food (food for pet) having an enhanced palatability sustained over time.
  • the pet food (food for pet) has an enhanced palatability not only from its manufacturing but also after storage.
  • the pet food can be prepared and immediately used for feeding pet (no storage over time of the pet food), or it can be prepared, stored during a period of time, and then used for feeding pet.
  • the storage period of time wherein enhanced palatability of the pet food is sustained is of at least about 0.25 month, preferably of at least about 0.5 month, yet preferably of at least about 1 month, yet more preferably of at least about 1.5 months, yet even more preferably of at least about 2 months, yet even more preferably of at least about 2.5 months, yet even more preferably of at least about 3 months, yet even more preferably of at least about 4 months, yet even more preferably of at least about 6 months, yet even more preferably of at least about 8 months, yet even more preferably of at least about 10 months, yet even more preferably of at least about 12 months in an appropriate container at ambient temperature.
  • said pet food is stored over at least about 15, preferably over at least 18 months in an appropriate container at ambient temperature.
  • said enhanced palatability of said pet food is sustained over at least about 15 months, particularly at least 15 months, of storage of said pet food, particularly in an appropriate container at ambient temperature.
  • the pet food is stored under ambient temperature as described above with respect to the fat composition.
  • An appropriate container for storing the pet food depends on the form thereof, i.e., whether the pet food is dry or wet or semi-moist.
  • examples of appropriate containers are bags or boxes for dry and semi-moist pet food and cans for wet pet food.
  • compositions are useful in pet foods such as nutritionally-balanced mixtures containing appropriate pet food ingredients including proteins, fibres, carbohydrates and/or starch, etc. Such mixtures are well known to those skilled in the art, and their composition depends on many factors such as, for example, the desired food balance for the specific type of pet. Additional pet food ingredients may include other palatability enhancers, vitamins, minerals, seasonings, preservatives, and surfactants.
  • the food balance including the relative proportions of vitamins, minerals, lipids, proteins and carbohydrates, is determined according to the known dietary standards in the veterinary field, for example by following recommendations of the National Research council (NRC), or the guidelines of the American Association of Feed Control Officials (AAFCO).
  • NRC National Research council
  • AAFCO American Association of Feed Control Officials
  • Dry pet food products such as kibbles can commonly be prepared by different methods.
  • One of these methods, that is widely used, is a cooker-extruder method.
  • ingredients are first blended together to form an admixture.
  • This admixture is transferred into a steam conditioner where it is sufficiently moistened to become extrudable.
  • the admixture then enters a cooker-extruder where it is cooked at an elevated temperature and pressure and then forced out of the apparatus through a die. This die forms the extruder product into a specific shape.
  • Individual pieces of food are created by periodically slicing off the end of the extruded stream of product. The individual pieces are then dried in a hot air dryer.
  • the product is dried until it contains less than 15% moisture, and preferably about 4 to 10% moisture.
  • the dried particles or pieces are then transferred by bulk conveyor to a coating drum and sprayed with fat.
  • Other liquids, such as, for example, phosphoric acid may alternatively be applied to the pieces, or applied in addition to the fat.
  • the resulting pellets or kibbles constitute the basal pet food preparation, the palatability of which will be enhanced over time using the herein disclosed fat and fat/animal digest(s) compositions.
  • Moist pet foods that are gravy-based or jelly-based can be prepared by grinding meat, meat mimetics, meat by-products, carbohydrates and/or grains, texturing agents, and forming the ground mixture via low pressure extrusion, then cooking through a steaming tunnel. At the tunnel outlet, the mixture is cut into pieces. The gravy- or jelly-type matrix is added to the resulting pieces, then sealed in cans or pouches and retorted, so as to obtain chunks-in gravy or chunks-in jelly food products.
  • Moist pet foods that are not gravy-based or jelly-based can be prepared by grinding meat, meat mimetics, meat by-products, carbohydrates and/or grains, and mixing with water and texturing agents. Then, the overall mixture is sealed in cans and retorted, so as to obtain loaves.
  • Fat and fat/animal digest(s) compositions can be added to the pet food or to the pet food preparation either by coating or by inclusion.
  • Kibbles of uncoated, extruded basal pet food can be placed in a container such a tub or a coating drum for mixing.
  • a fat such as pork fat or poultry fat (herein called a “first fat”) is heated and then sprayed onto the pet food in a manner to obtain a coating of the kibbles.
  • the coating need not be a continuous layer, but preferably is uniform.
  • a fat or fat/animal digest(s) composition may be applied as either a liquid or a powder, while the product is mixing.
  • a liquid fat or fat/animal digest(s) composition is typically sprayed on while a powder fat or fat/animal digest(s) composition is typically dusted on.
  • fat or fat/animal digest(s) compositions can be mixed with the first fat and applied concurrently.
  • fat or fat/animal digest(s) compositions are coated before deposition of the first fat.
  • fat or fat/animal digest(s) compositions can be incorporated or included into the pet food preparation according to the following illustrative method.
  • the fat or fat/animal digest(s) composition is contacted with the raw ingredients of the pet food preparation prior to cooking.
  • the fat or fat/animal digest(s) composition is combined to proteins, fibre, carbohydrates and/or starch, etc., of the basal food preparation and is cooked with those materials in the cooker-extruder.
  • the fat or fat/animal digest(s) composition can be applied in a gravy- or jelly-type matrix during the blending process in addition to the other pet food ingredients.
  • the fat or fat/animal digest(s) composition can also be applied into a meat-by mixtures for chunks or loaf preparation. In this case, it can be added to raw materials before or after the grinding process.
  • the meat-by mixture may be cooked in a steam or grilling oven in the case of chunks manufacturing, or directly sealed in cans in the case of loaf manufacturing.
  • Another aspect of the present invention relates to a method for preparing an enhanced palatability-sustaining fat composition for use in a pet food (food for pet) (in particular with the exception of a drink enhanced palatability-sustaining fat composition and a beverage enhanced palatability-sustaining fat composition), said method comprising:
  • said method for preparing an enhanced palatability-sustaining fat composition for use in a pet food according to the invention comprises:
  • a) providing at least one palatability-enhancing composition ingredient c) providing at least one fat, particularly having a 012:0/010:0 fatty acid weight ratio from 0.85 to 2.5 and/or a 014:0/012:0 fatty acid weight ratio from 0.45 to 4.3 and in particular comprising C10:0, C12:0 and C14:0 fatty acids; d) mixing said fat with said palatability-enhancing composition ingredient; and e) obtaining said enhanced palatability-sustaining fat composition, wherein said enhanced palatability-sustaining fat composition has a 012:0/010:0 fatty acid weight ratio from 0.85 to 2.5 and/or a 014:0/012:0 fatty acid weight ratio from 0.45 to 4.3, and in particular wherein said enhanced palatability-sustaining fat composition comprises C10:0, 012:0 and 014:0 fatty acids.
  • Said method can further comprise the step b) of grinding at least one palatability-enhancing composition ingredient.
  • said palatability-enhancing composition ingredient can be selected from the group consisting of animal digest, vegetarian palatability-enhancing composition ingredients, Maillard ingredients and Maillard reaction products, in particular animal digests.
  • Particularly said fat (of step c)) can be comprised in a fat composition having a 012:0/010:0 fatty acid weight ratio from 0.85 to 2.5 and/or a 014:0/012:0 fatty acid weight ratio from 0.45 to 4.3 and in particular comprising C10:0, C12:0 and C14:0 fatty acids.
  • said fat composition has an enhancing-palatability effect sustained over at least about 12 months of storage of said fat composition, particularly in an appropriate container at ambient temperature.
  • said fat in step c) above comprises an at least partially-hydrolyzed fat.
  • the grinding conditions for step b) and the mixing conditions for step d) are conventional and can easily be determined by the one skilled in the art.
  • the method above can further comprise one or more of the following steps:
  • step g) mechanically and/or thermally and/or chemically and/or enzymatically hydrolyzing the fat of step c) before step d) or the mix resulting from step d); g) thermally treating the mixture resulting from step a), d) or f); h) further stabilizing the resulting composition of step d), f) or g); and i) drying the composition obtained from step d), f), g) or h).
  • thermal treatment notably allows thermal reactions to occur in the mixture. It can be performed at a temperature ranging from 80° C. to 300° C. and for a period ranging from 30 sec to 48 hours.
  • step h) can be either a microbial or a chemical or a textural or a microbial and a chemical and a textural stabilization, all of which being well-known in the art.
  • Step h) is performed under classical conditions.
  • Microbial stabilization may be achieved by, e.g., the addition of potassium sorbate, or phosphoric acid.
  • Chemical stabilization may be achieved by, e.g. the addition of anti-oxidants.
  • Textural stabilization may be achieved by, e.g., the addition of xanthan or carragheenans.
  • Drying step i) is routine for the skilled artisan. Typically, drying is performed so as to remove any excess water. In particular, the resulting water content is less than or equal to about 10%, preferably from about 1 to about 8%, by weight of the thus obtained dry composition.
  • a dry composition is obtained by combining the mixture resulting from step d) or f) or g) or h), with carriers as defined above in appropriate proportions, and by blending the components. The mixture is then dried by evaporation at an appropriate temperature, and a dry composition is obtained.
  • Another aspect of the present invention concerns an enhanced palatability-sustaining fat composition for use in a pet food (food for pet) obtainable by a method as described above.
  • the present invention is related to a method for preparing an enhanced palatability-sustaining fat composition (in particular with the exception of a drink enhanced palatability-sustaining fat composition and a beverage enhanced palatability-sustaining fat composition) further comprising animal digest(s) for use in a pet food (food for pet), comprising:
  • said enhanced palatability-sustaining fat composition further comprising palatability-enhancing composition ingredient(s), in particular animal digest(s) has a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3 and in particular comprises C10:0, C12:0 and C14:0 fatty acids.
  • it has an enhancing-palatability effect sustained over at least about 6 months of storage in an appropriate container at ambient temperature.
  • said enhanced palatability-sustaining fat composition is for use in a pet food, i.e. is added to a pet food preparation to obtain a pet food having an enhanced palatability sustained over time that can be used to feed pets.
  • said fat composition of step a) is prepared using a method as described above.
  • the method above further comprises:
  • step e) providing one or more additional animal digests; f) mixing said animal digests of step e) with said fat composition further comprising animal digest(s) of step d); g) obtaining another enhanced palatability-sustaining fat composition further comprising animal digest(s); h) optionally, providing one or more additional animal digests; i) optionally, mixing said animal digests of step h) with said fat composition further comprising animal digest(s) of step g); j) optionally, obtaining yet another enhanced palatability-sustaining fat composition further comprising animal digest(s); optionally, and so on.
  • all thus-obtained enhanced palatability-sustaining fat composition comprising palatability-enhancing composition ingredient(s), particularly animal digest(s), preferably have a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3 and in particular comprise C10:0, C12:0 and C14:0 fatty acids.
  • the method for preparing an enhanced palatability-sustaining fat composition comprising palatability-enhancing composition ingredient(s), particularly animal digest(s) can further comprise one or more of the following steps:
  • step c) mechanically and/or thermally and/or chemically and/or enzymatically hydrolyzing the mix resulting from step c); l) thermally treating the mixture resulting from step a), c), f), i) or k); m) further stabilizing the resulting composition of step c), f), i), k) or l); and n) drying the composition obtained from step c), f), i), k), l) or m).
  • step l thermal treatment allows thermal reactions to occur in the mixture.
  • step m) can be either a microbial or a chemical or a textural or a microbial and a chemical and a textural stabilization, all of which being well-known in the art.
  • Step m) is performed under classical conditions.
  • Microbial stabilization may be achieved by, e.g., the addition of potassium sorbate, or phosphoric acid.
  • Chemical stabilization may be achieved by, e.g. the addition of anti-oxidants.
  • Textural stabilization may be achieved by, e.g., the addition of xanthan or carragheenans.
  • Drying step n) is routine for the skilled artisan. Typically, drying is performed so as to remove any excess water.
  • the resulting water content is less than or equal to about 10%, preferably from about 1 to about 8%, by weight of the thus obtained dry composition.
  • a dry composition is obtained by combining the mixture resulting from step c) or f) or i) or k) or l) or m), with carriers as defined above in appropriate proportions, and by blending the components. The mixture is then dried by evaporation, and a dry composition is obtained.
  • Another aspect of the present invention concerns an enhanced palatability-sustaining fat composition further comprising animal digest(s) for use in a food for pet obtainable by a method as described above.
  • Yet another aspect of the present invention is directed to a method for preparing a pet food (food for pet) having an enhanced palatability sustained over time (in particular with the exception of a pet drink having an enhanced palatability sustained over time and a pet beverage having an enhanced palatability sustained over time), comprising:
  • said pet food has an enhanced palatability sustained over at least about 15 months of storage of said pet food, particularly in an appropriate container at ambient temperature, in comparison with said pet food which does not comprise said fat composition.
  • said pet food comprises C10:0, C12:0 and C14:0 fatty acids.
  • C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5, particularly from 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, particularly from 0.45 to 4.3, and in particular comprises C10:0, C12:0 and C14:0 fatty acids.
  • the method for preparing a pet food having an enhanced palatability sustained over time can further comprise one or more of the following steps:
  • step i) mechanically and/or thermally and/or chemically and/or enzymatically hydrolyzing the fat of step i); vi) thermally treating the fat of step i); Particularly, it can be performed at a temperature ranging from 80° C. to 300° C. and for a period ranging from 30 sec to 48 hours.
  • the present invention concerns a pet food (food for pet) having an enhanced palatability sustained over time obtainable by a method as described above.
  • Another aspect of the present invention concerns a method for feeding pets comprising at least:
  • kits for sustaining an enhanced palatability of a food for pet comprising, in one or more containers in a single package:
  • the kit further comprises a means for communicating information about or instructions for using said enhanced palatability-sustaining fat compositions and, optionally, said pet food ingredient.
  • the test is based on the postulate whereby the more food consumed, the more palatable it is.
  • Tests Individual versus (Two bowls) appetence tests, based on the comparison between two foods, were carried out. Tests are performed either on panel of 36 dogs or on panel of 40 cats, depending on the test's objectives.
  • Dog test the bowls were placed in an individual feed trough accessible to dogs.
  • predetermined values which are function of, e.g., the animal weight and/or metabolism
  • the Examples below illustrate the enhancing effect sustained over time of fat compositions having a C12:0/C10:0 fatty acid weight ratio from about 0.85 to about 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, on palatability to pets of food products prepared using said fat compositions.
  • a “fresh” composition or a “fresh” food has not been stored (i.e., freshly prepared), as opposed to a composition or a food that is stored over time.
  • Results/Target palatability enhanced & C12:C10 C14:C12 Products stored Exemples Tables sustained THE 1.14 3.23 Fat composition “PE 0” 1 1 At ambient temperature, target reached until 8 INVENTION months (not tested after) 2 At 30° C., target reached until 5 months (not tested after) 3 At 40° C., target reached until 3 months (not tested after) 1.14 3.8 Fat/animal digest composition “PE 2” 2 4 At ambient temperature, Palatability enhanced and sustained until 6 months (not tested after) 5 At ambient temperature, target reached until 8 months (not tested after) 6 At 30° C., target reached until 2.5 months 7 At 40° C., target reached until 2.5 months Kibbles “PE 2” 3 8 At ambient temperature, target reached until 3 months (not tested after) 1.07 3.09 Fat composition “PE 00” 4 9 At ambient temperature, target reached until 12 months 10 At 40° C., target reached until 6 months (not tested after) 1.07 3.62 Fat/animal digest composition “PE 12” 5 11 At ambient temperature, target reached until 6
  • This fat composition “PE 0” was stored at ambient temperature over time.
  • the digest “PE 1” was a liquid palatability enhancer of high palatability, containing poultry liver hydrolysate.
  • Fresh “PE 2” was then used to prepare a food for pet as follows.
  • the control foods were coated with 3% of the animal digest “PE 1” and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 2”.
  • PE 0 was stored and samples thereof were taken and mixed at each time point with a fresh “PE 1” to obtain “PE 2” which was used fresh to prepare a food, the palatability for dog of which was then tested without having been stored.
  • the same palatability-enhancing effect was obtained when the fat composition “PE 0” was stored at 30° C. during 5 months or at 40° C. during 3 months, respectively (no measure realized after).
  • a sustained palatability-enhancing effect was generally obtained using the fat composition “PE 0”, demonstrating the positive effect of a fat composition with a C12:0/C10:0 fatty acid weight ratio from about 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, according to the invention.
  • a fresh fat composition “PE 0”, according to the invention, as described in Example 1 was mixed with an animal digest “PE 1” to give a fat/animal digest composition “PE 2”, according to the invention, this fat/animal digest composition “PE 2” having a C12:0/C10:0 fatty acid weight ratio of 1.14 and a C14:0/C12:0 fatty acid weight ratio of 3.80.
  • the control foods were coated with 3% of the animal digest “PE 1” freshly prepared for each time of comparison, and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 2” stored at ambient temperature.
  • the control food was coated with 3% of the animal digest “PE 1”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 2”. Both control and experimental foods were stored at ambient temperature over time.
  • fresh “PE 0” was mixed with fresh “PE 1” to obtain a fresh “PE 2” which was used to prepare a food, the palatability for dog of which was then tested after storage over time.
  • Palatability tests were performed at different time points corresponding to the storage periods of the food.
  • This fat composition “PE 00” was stored at ambient temperature over time.
  • the digest “PE 11” is a liquid palatability enhancer of high palatability, containing poultry liver hydrolysate.
  • Fresh “PE 12” was then used to prepare a food for pet as follows.
  • the control foods were coated with 3% of the animal digest “PE 11” and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 12”.
  • PE 00 was stored and samples thereof were taken and mixed at each time point with a fresh “PE 11” to obtain “PE 12” which was used fresh to prepare a food, the palatability for dog of which was then tested without having been stored.
  • the same palatability-enhancing effect was obtained when the fat composition “PE 00” was stored at 40° C. during 6 months (no measure realized after 6 months of storage).
  • a sustained palatability-enhancing effect was generally obtained using the fat composition “PE 00”, demonstrating the positive effect of a fat composition with a C12:0/C10:0 fatty acid weight ratio from about 0.85 to 2.5 and/or a C14:0/C12:0 fatty acid weight ratio from about 0.45 to about 4.3, according to the invention.
  • composition “PE 12” was stored at ambient temperature over time.
  • the control foods were coated with 3% of the animal digest “PE 11” freshly prepared for each time of comparison, and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 12” stored at ambient temperature.
  • the control food was coated with 3% of the animal digest “PE 11”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 12bis”. Both control and experimental foods were stored at ambient temperature over time.
  • fresh “PE 00bis” was mixed with fresh “PE 11” to obtain a fresh “PE 12bis” which was used to prepare a food, the palatability for dog of which was then tested after storage over time.
  • Palatability tests were performed at different time points corresponding to the storage periods of the food.
  • a fat composition designated below as “PE 20”, having C12:0/C10:0 and/or C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat composition having a C12:0/C10:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 11.
  • the control food was coated with 3% of the animal digest “PE 11”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 22”. Both control and experimental foods were stored at ambient temperature over time.
  • fresh “PE 20” was mixed with fresh “PE 11” to obtain a fresh “PE 22” which was used to prepare a food, the palatability for dog of which was then tested after storage over time.
  • Palatability tests were performed at different time points corresponding to the storage periods of the food.
  • a fat composition designated below as “PE 30”, having a C12:0/C10:0 and/or C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat composition having a C12:0/C10:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 37.
  • the control food was coated with 3% of the animal digest “PE 11”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 32”. Both control and experimental foods were stored at ambient temperature over time.
  • fresh “PE 30” was mixed with fresh “PE 11” to obtain a fresh “PE 32” which was used to prepare a food, the palatability for dog of which was then tested after storage over time.
  • Palatability tests were performed at different time points corresponding to the storage periods of the food.
  • PE 20 A fat composition, designated below as “PE 20”, PE 20 having a C12:0/C10:0 and/or C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat composition having a C12:0/C10:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 11.
  • This fat composition “PE 20” was stored at ambient temperature over time.
  • Fresh “PE 22” was then used to prepare a food for pet as follows.
  • the control foods were coated with 3% of the animal digest “PE 11” and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 22”.
  • PE 20 was stored and samples thereof were taken and mixed at each time point with a fresh “PE 11” to obtain “PE 22” which was used fresh to prepare a food, the palatability for dog of which was then tested without having been stored.
  • composition “PE 22” was stored at ambient temperature over time.
  • the control foods were coated with 3% of the animal digest “PE 11” freshly prepared for each time of comparison, and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 22” stored at ambient temperature.
  • a fat composition designated below as “PE 30”, “PE 30” having a C12:0/C10:0 and/or C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat composition having a C12:0/C10:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 37.
  • the control food was coated with 3% of the animal digest “PE 11”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 32”. Both control and experimental foods were stored at ambient temperature over time.
  • PE 30 was stored and samples thereof were taken and mixed at each time point with a fresh “PE 11” to obtain “PE 32” which was used fresh to prepare a food, the palatability for dog of which was then tested without having been stored.
  • the control foods were coated with 3% of the animal digest “PE 11” freshly prepared for each time of comparison, and the experimental foods were coated with 3.5% of the fat/animal digest composition “PE 32” stored at ambient temperature.
  • a fat composition designated below as “PE 40”, “PE 40” having a C12:0/C10:0 and/or C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat composition having a C12:0/C10:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 5.
  • the control food was coated with 3% of the animal digest “PE 11”, and the experimental food was coated with 3.5% of the fat/animal digest composition “PE 42”. Both control and experimental foods were stored at ambient temperature over time.
  • fresh “PE 40” was mixed with fresh “PE 11” to obtain a fresh “PE 42” which was used to prepare a food, the palatability for dog of which was then tested after storage over time.
  • Palatability tests were performed at different time points corresponding to the storage periods of the food.
  • fat compositions “PE 00”, “PE 20” and “PE 30” respectively were stored at ambient temperature over time and their palatability were assed, compared to a control.
  • fat/animal digest compositions “PE 12”, “PE 22” and “PE 32” respectively were stored at ambient temperature over time and their palatability were assed, compared to a control.
  • Another fat/animal digest composition designated below as “PE 62”, having C12:0/C10:0 and/or C14:0/012:0 fatty acid weight ratio outside from the range ratio according to the invention, was prepared by enzymatic hydrolysis, this fat/animal digest composition having a C12:0/010:0 fatty acid weight ratio of 0 and a C14:0/C12:0 fatty acid weight ratio of 9.0.
  • a nutritionally wet food composition suitable for consumption by cats in the form of loaf was prepared.
  • fat/animal digest compositions having a C12:0/C10:0 and/or a C14:0/C12:0 fatty acid weight ratio outside from the range ratio according to the invention did not allow an enhanced palatability, contrary to fat/animal digest composition according to the invention.

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WO2018081846A1 (en) * 2016-11-04 2018-05-11 Vip Topco Pty Limited "method for manufacturing pet food"
US20220061368A1 (en) * 2019-03-28 2022-03-03 Firmenich Sa Flavor system

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CN105565539B (zh) * 2015-12-14 2018-10-26 济南自然力生物技术有限公司 一种利用肝素废水制备营养诱食剂的方法
GB201721627D0 (en) * 2017-12-21 2018-02-07 Mars Inc Pet food product
KR102247973B1 (ko) * 2020-08-18 2021-05-06 주식회사 코코브라운 기호도와 보존성이 우수한 원물사료 조성물
KR102224213B1 (ko) * 2020-08-18 2021-03-08 주식회사 코코브라운 기호도와 보존성이 우수한 원물사료 조성물의 제조방법
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WO2017149096A1 (en) * 2016-03-02 2017-09-08 Specialites Pet Food Palatable cat kibbles containing specific fat fractions
AU2017228039B2 (en) * 2016-03-02 2019-07-18 Specialites Pet Food Palatable cat kibbles containing specific fat fractions
RU2703181C1 (ru) * 2016-03-02 2019-10-15 Спесиалите Пет Фуд Аппетитные гранулы для кошек, содержащие специфические жировые фракции
WO2018081846A1 (en) * 2016-11-04 2018-05-11 Vip Topco Pty Limited "method for manufacturing pet food"
US20220061368A1 (en) * 2019-03-28 2022-03-03 Firmenich Sa Flavor system

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