US20180250349A1 - Methods and compositions using bifidobacterium longum to modulate emotional reactivity and treat or prevent sub-clinical mood disturbances - Google Patents

Methods and compositions using bifidobacterium longum to modulate emotional reactivity and treat or prevent sub-clinical mood disturbances Download PDF

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US20180250349A1
US20180250349A1 US15/754,894 US201615754894A US2018250349A1 US 20180250349 A1 US20180250349 A1 US 20180250349A1 US 201615754894 A US201615754894 A US 201615754894A US 2018250349 A1 US2018250349 A1 US 2018250349A1
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composition
atcc baa
individual
longum atcc
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Gabriela Bergonzelli Degonda
Tiago Alves Nunes
Valerie Marquardt
Jeroen Antonius Johannes Schmitt
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Nestec SA
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Assigned to NESTEC S.A. reassignment NESTEC S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ALVES NUNES, Tiago, BERGONZELLI DEGONDA, GABRIELA, MARQUARDT, Valerie, SCHMITT, JEROEN ANTONIUS JOHANNES
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/66—Microorganisms or materials therefrom
    • A61K35/74—Bacteria
    • A61K35/741—Probiotics
    • A61K35/744—Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • A61K35/745—Bifidobacteria
    • 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
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/52—Adding ingredients
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
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    • A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
    • A23C9/13—Fermented milk preparations; Treatment using microorganisms or enzymes using additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/152—Milk preparations; Milk powder or milk powder preparations containing additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
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    • A23G9/32—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor characterised by the composition containing organic or inorganic compounds
    • A23G9/36—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor characterised by the composition containing organic or inorganic compounds containing microorganisms or enzymes; containing paramedical or dietetical agents, e.g. vitamins
    • A23G9/363—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor characterised by the composition containing organic or inorganic compounds containing microorganisms or enzymes; containing paramedical or dietetical agents, e.g. vitamins containing microorganisms, enzymes
    • 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
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    • 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
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    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
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    • A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
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    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23V2400/51—Bifidobacterium
    • A23V2400/533—Longum

Definitions

  • compositions and methods that use Bifidobacterium longum NCC3001 (ATCC BAA-999) to stabilize or improve mood and/or modulate excessive emotional distress.
  • Anxiety disorders affect about 40 million American adults of the age of 18 years and older. This represents on average about 18% of the adult population.
  • a brief period of anxiety can be caused by, for example, stressful events such as examinations or circumstances that are considered as slightly embarrassing. However, anxiety can last much longer, such as at least half a year, and the anxiety conditions can continue to become more severe and crippling if not treated.
  • Anxiety disorders may also occur along with other mental or physical illnesses, including alcohol or substance abuse.
  • Typical anxiety disorders are panic disorder, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), social phobia (or social anxiety disorder), specific phobias, and generalized anxiety disorder (GAD).
  • anxiety disorders are treated with medication such as antidepressants, anti-anxiety drugs, or beta-blockers.
  • medication such as antidepressants, anti-anxiety drugs, or beta-blockers.
  • the medications alter brain chemistry and sometimes have severe side effects.
  • the medications can also have undesirable interactions with other frequently taken medications.
  • the present inventors surprisingly found that Bifidobacterium longum ATCC BAA-999 reduces brain emotional activity in patients to whom these bacteria are administered.
  • the present inventors conducted a randomized, double blind, placebo-controlled trial.
  • Psychopathology high incidence of anxiety
  • IBS irritable bowel syndrome
  • B. longum ATCC BAA-999 modulates behavior via gut-to-brain signaling. These effects appear to be mediated through down-regulation of the brain areas involved with the emotion control.
  • Six week treatment with B. longum ATCC BAA-999 in patients with non-constipation IBS improved depression scores, achieved adequate relief of IBS symptoms, improved quality of life physical scores, and down-regulated engagement of brain centers involved in the control of emotions and mood (amygdala and fronto-limbic regions) in response to fearful stimuli.
  • the inventors presently believe that the underlying prophylactic and/or therapeutic mechanism of the B. longum ATCC BAA-999 is related to the modulation of the bidirectional microbial-gut-brain axis, possibly significantly associated with psychological factors.
  • IBS is believed to result from the interaction of altered gut physiology and psychological factors via the gut-brain axis, where brain and gut symptoms are reciprocally influencing each other. Intestinal microbiota play a central role in this “dialogue” between the gut and the brain.
  • the present disclosure provides a method of stabilizing and/or improving mood.
  • the method comprises administering an edible composition comprising a therapeutically effective amount of B. longum ATCC BAA-999 to an individual in need thereof.
  • the method comprises identifying the individual as being in need of stabilized and/or improved mood.
  • the composition further comprises an ingredient selected from the group consisting of a fat, a protein, a carbohydrate and combinations thereof.
  • the composition comprises a prebiotic.
  • the prebiotic can be selected from the group consisting of an oligosaccharide, a dietary fiber, and a combination thereof.
  • the composition is administered to the individual each day of a time period that is at least three weeks.
  • the B. longum ATCC BAA-999 is alive.
  • the composition can comprise 10 4 to 10 11 cfu of the B. ATCC BAA-999 per g of dry weight of the composition.
  • the composition can be administered to the individual in a daily dose comprising between 10 4 and 10 12 cfu of the B. ATCC BAA-999.
  • the daily dose can be administered to the individual each day of a time period that is at least three weeks.
  • the B. longum ATCC BAA-999 is non-replicating cells.
  • the composition can comprise between 10 2 and 10 8 of the non-replicating cells of B. longum ATCC BAA-999 per g of dry weight of the composition.
  • the composition can be administered to the individual in a daily dose comprising between 10 4 and 10 10 of the non-replicating cells of B. longum ATCC BAA-999.
  • the daily dose can be administered to the individual each day of a time period that is at least three weeks.
  • the method is a natural therapy.
  • the present disclosure provides a method of modulating excessive emotional distress.
  • the method comprises administering to an individual in need thereof an edible composition comprising a therapeutically effective amount of B. longum ATCC BAA-999.
  • the individual has a condition selected from the group consisting of a social phobia, a specific phobia, and combinations thereof.
  • the method comprises identifying the individual as having excessive emotional distress.
  • the present disclosure provides a method of making an edible composition for achieving an effect selected from the group consisting of stabilizing or improving mood, modulating excessive emotional distress, reducing anxiety, reducing stress, and combinations thereof.
  • the method comprises incorporating a therapeutically effective amount or a prophylactically effective amount of B. longum ATCC BAA-999 into a food product comprising at least one ingredient selected from the group consisting of a fat, a protein and a carbohydrate.
  • the present disclosure provides a method of supplementing a regimen achieving an effect selected from the group consisting of stabilizing mood, improving mood, modulating excessive emotional distress, reducing anxiety, reducing stress, and combinations thereof.
  • the regimen that is supplemented comprises administering to an individual in need or at risk thereof a pharmaceutical composition.
  • the method comprises administering an edible composition comprising a therapeutically effective amount or a prophylactically effective amount of B. longum ATCC BAA-999 to the individual, in addition to the pharmaceutical composition.
  • the present disclosure provides a composition for achieving an effect selected from the group consisting of stabilizing mood, improving mood, modulating excessive emotional distress, reducing anxiety, reducing stress, and combinations thereof.
  • the composition comprises a therapeutically effective amount or a prophylactically effective amount of B. longum ATCC BAA-999.
  • An advantage of one or more embodiments provided by the present disclosure is a composition comprising a bacterial strain that is effective, readily available, low-priced, and safe to administer without unwanted side effects which can be used to stabilize or improve mood and/or modulate excessive emotional distress.
  • Another advantage of one or more embodiments provided by the present disclosure is to stabilize or improve mood and/or modulate excessive emotional distress using a bacterial strain that is commercially available and already tested and found to be acceptable for addition to food products.
  • a further advantage of one or more embodiments provided by the present disclosure is to use a natural therapy to down-regulate the emotional response to fearful stimuli and/or stressful stimuli.
  • Yet another advantage of one or more embodiments provided by the present disclosure is to use a natural therapy to improve quality of life, in particular vitality and emotional health.
  • Another advantage of one or more embodiments provided by the present disclosure is to provide a better safety profile relative to known mood-regulating compounds.
  • a further advantage of one or more embodiments provided by the present disclosure is to minimize or avoid completely the side effects from known mood-regulating compounds.
  • An additional advantage of one or more embodiments provided by the present disclosure is to improve the effect of and/or reduce the dose of one or more known mood-regulating compounds which are co-administered with the composition disclosed herein.
  • Yet another advantage of one or more embodiments provided by the present disclosure is to minimize or avoid completely unnecessary costs related to healthcare assistance.
  • a further advantage of one or more embodiments provided by the present disclosure is to use to stabilize or improve mood and/or modulate excessive emotional distress using a bacterial strain that provides other health benefits as well.
  • FIG. 1 shows the design of the clinical trial disclosed herein.
  • FIG. 2 shows graphs demonstrating the primary outcome from administration of B. longum ATCC BAA-999, improvement in depression and anxiety dichomotous scores.
  • FIG. 3 shows graphs demonstrating the secondary outcome from administration of B. longum ATCC BAA-999, improvement in depression and anxiety continuous scores.
  • FIGS. 4 and 5 respectively show graphs and a table demonstrating that administration of B. longum ATCC BAA-999 significantly improved the physical global domain as well as general physical health (physical functioning) and problems with work of other daily activities (role physical) and resulted in an improvement trend in the mental subdomains of vitality and role emotional.
  • FIG. 6 shows fMRI images demonstrating greater engagement of the visual association and parietal cortices in the group administered B.
  • longum ATCC BAA-999 relative to the placebo group and lesser engagement of brain centers involved in emotion and mood (amygdala and fronto-limbic region) in the group administered B.
  • longum ATCC BAA-999 relative to the placebo group.
  • compositions disclosed herein may lack any element that is not specifically disclosed.
  • a disclosure of an embodiment using the term “comprising” includes a disclosure of embodiments “consisting essentially of” and “consisting of” the components identified.
  • the methods disclosed herein may lack any step that is not specifically disclosed herein.
  • a disclosure of an embodiment using the term “comprising” includes a disclosure of embodiments “consisting essentially of” and “consisting of” the steps identified.
  • “about” and “approximately” are understood to refer to numbers in a range of numerals, for example the range of ⁇ 10% to +10% of the referenced number, preferably within ⁇ 5% to +5% of the referenced number, more preferably within ⁇ 1% to +1% of the referenced number, most preferably within ⁇ 0.1% to +0.1% of the referenced number.
  • Animal includes, but is not limited to, mammals, which includes but is not limited to, rodents, aquatic mammals, domestic animals such as dogs and cats, farm animals such as sheep, pigs, cows and horses, and humans. Where “animal,” “mammal” or a plural thereof is used, these terms also apply to any animal that is capable of the effect exhibited or intended to be exhibited by the context of the passage.
  • the terms “individual” and “patient” are understood to include an animal, especially a mammal, and more especially a human that is receiving or intended to receive treatment, as treatment is herein defined. While the terms “individual” and “patient” are often used herein to refer to a human, the present disclosure is not so limited. Accordingly, the terms “individual” and “patient” refer to any animal, mammal or human that can benefit from the treatment.
  • treatment and “treating” include any effect that results in the improvement of the condition or disorder, for example lessening, reducing, modulating, or eliminating the condition or disorder.
  • the term does not necessarily imply that a subject is treated until total recovery.
  • Non-limiting examples of “treating” or “treatment of” a condition or disorder include: (1) inhibiting the condition or disorder, i.e. arresting the development of the condition or disorder or its clinical symptoms and (2) relieving the condition or disorder, i.e. causing the temporary or permanent regression of the condition or disorder or its clinical symptoms.
  • a treatment can be patient- or doctor-related.
  • prevention or “preventing” mean causing the clinical symptoms of the referenced condition or disorder to not develop in an individual that may be exposed or predisposed to the condition or disorder but does not yet experience or display symptoms of the condition or disorder.
  • condition and “disorder” mean any disease, condition, symptom, or indication.
  • compositions mean a product or composition that is intended for ingestion by an individual such as a human and provides at least one nutrient to the individual.
  • compositions of the present disclosure can comprise, consist of, or consist essentially of the essential elements and limitations described herein, as well as any additional or optional ingredients, components, or limitations described herein or otherwise useful in a diet.
  • complete nutrition contains sufficient types and levels of macronutrients (protein, fats and carbohydrates) and micronutrients to be sufficient to be a sole source of nutrition for the animal to which the composition is administered. Individuals can receive 100% of their nutritional requirements from such complete nutritional compositions.
  • An aspect of the present disclosure is a composition
  • B. longum ATCC BAA-999 in an amount effective to stabilize or improve mood and/or modulate excessive emotional distress (e.g. prevent or treat a phobia) in an individual, preferably a human.
  • B. longum ATCC BAA-999 is also known as BL999 and NCC3001 and may be obtained commercially from specialist suppliers, for example from Morinaga Milk Industry Co. Ltd. of Japan under the trademark BB536.
  • the term “ B. longum ATCC BAA-999” includes the bacterium, parts of the bacterium, and/or a growth medium fermented by the bacterium.
  • the composition can be administered to the individual daily for a time period that is at least three weeks, at least four weeks in some embodiments, at least five weeks in other embodiments, and at least six weeks in yet other embodiments.
  • the method is a natural therapy.
  • the composition can consist of natural ingredients, and preferably the individual is not administered any artificial composition such as a synthetic pharmaceutical compound.
  • the composition supplements a regimen in which a pharmaceutical composition is also administered.
  • the composition can be administered to stabilize and/or improve mood.
  • mood refers to a state or quality of feeling (an emotional state) at a particular time. Moods differ from simple emotions in that they are less specific, less intense, and less likely to be triggered by a particular stimulus or event. Moods generally have either a positive or negative valence.
  • An improved mood may comprise one or more of a decreased depressive level, a decreased anxiety level, a decreased stress level, an increased perceived energy level (“vitality”), a more positive emotional state, an increased self-esteem, a reduced amount and/or a reduced intensity of negative thoughts and/or negative tensions, a reduced risk of mood swings, or retention of a positive mood.
  • mood disorders i.e., long-term disturbances of mood
  • mood disorders are a group of diagnoses in the classification system of the Diagnostic and Statistical Manual of Mental Disorders (DSM) where disturbances in mood are the main underlying feature.
  • DSM Diagnostic and Statistical Manual of Mental Disorders
  • Non-limiting examples of an individual in need of an improved mood include an individual engaging in substance abuse; an individual recovering from substance abuse; an individual consuming a benzodiazepine, for example daily for at least six months; and combinations thereof.
  • composition can be administered to reduce anxiety and/or to reduce stress in an individual in need thereof.
  • the method can comprise identifying the individual as being in need of reduced anxiety and/or reduced stress.
  • substance abuse is use of any substance in which the user consumes the substance in amounts or with methods neither approved nor supervised by medical professionals.
  • An individual engaging in substance abuse typically has consumed the substance within the last month, within the last week, or within the last day.
  • An individual recovering from substance abuse typically has engaged in substance abuse within the last ten years, the last five years, the last four years, the last three years, the last two years or even within the last year but has not engaged in substance abuse for at least a week, preferably at least a month and more preferably at least a year.
  • Non-limiting examples of substances included in “substance abuse” are nicotine, khat, cannabis, alcohol, gamma-hydroxybutyric acid (GHB), flunitrazepam, alkyl nitrates, 3,4-methylenedioxy-N-methylamphetamine (MDMA or ecstasy), lysergic acid diethylamide (LSD), opiates (including opioids), mescaline, psilocybin, methylphenidate, 4-methylthioamphetamine (4-MTA), buprenorphine, amphetamine, methamphetamine, ketamine, tiletamine, phencyclidine (PCP), salvia, dextromethorphan (DXM), benzodiazepines, barbituates, sleep medication, cocaine, heroin, solvents, gases, and anabolic steroids.
  • GLB gamma-hydroxybutyric acid
  • FVB gamma-hydroxybutyric acid
  • Alcohol includes any substance containing ethyl alcohol.
  • alkyl nitrates include isoamyl nitrite, isopentyl nitrite, cyclohexyl nitrite, isobutyl nitrite, isopropyl nitrite, and butyl nitrite.
  • opiate is meant any preparation or derivative of opium, which is a naturally occurring substance extracted from the seed pod of a poppy plant (e.g., Papaver somniferum ) and which contains at least one of a number of alkaloids including morphine, noscapine, codeine, papaverine, or thebaine. Heroin is processed from morphine.
  • opiate includes opioids.
  • Non-limiting examples of opiates include codeine, oxycodone, hydrocodone, oxymorphone, meperidine, propoxyphene, morphine, methadone, fentanyl, and analogs thereof.
  • Non-limiting examples of “solvents” include paint thinners, gasoline, and glues, and non-limiting examples of “gases” include butane, propane, aerosol propellants, and nitrous oxide.
  • some embodiments of the methods of stabilizing and/or improving mood disclosed herein comprise diagnosing the individual as having a need for stabilized and/or improved mood, e.g., before initiating administration of the composition comprising B. longum ATCC BAA-999.
  • the composition can be administered to modulate excessive emotional distress (e.g. prevent or treat a phobia).
  • a “phobia” is a persistent fear of an object or situation which the individual expends effort to avoid disproportionally to the actual danger posed.
  • Non-limiting examples of a “phobia” that can be treated or prevented by the composition disclosed herein include a social phobia (e.g., a social anxiety disorder), a specific phobia (e.g., a fear of a particular animal type, a fear of a particular environment type such as heights, a fear of a particular situation such as a small confined space, and/or a fear of a particular medical procedure) and combinations thereof.
  • some embodiments of the methods of modulating excessive emotional distress disclosed herein comprise diagnosing the individual having excessive emotional distress, e.g., before initiating administration of the composition comprising B. longum ATCC BAA-999.
  • the B. longum ATCC BAA-999 may be cultured according to any suitable method.
  • B. longum ATCC BAA-999 may be added to a food product in a freeze-dried or spray-dried form, for example, to form the composition.
  • the composition may be orally and/or enterally administrable; for example in the form of a powder for re-constitution with milk or water.
  • the composition may be selected from the group consisting of a food composition, a pet food composition, a dietary supplement, a nutraceutical, a nutritional formula, a drink, and a medical composition.
  • the composition is a food product intended for an adult such as a human adult.
  • a food composition has the advantage that such a composition can be distributed in not only pharmacies and drug stores but also in supermarkets.
  • the generally pleasant taste of food compositions will further contribute to the acceptance of the product.
  • suitable food compositions include yogurts, milk, flavored milk, ice cream, ready-to-eat desserts, malt drinks, ready-to-eat dishes, instant dishes, drinks for humans, and food compositions representing a complete or a partial diet.
  • the composition may further contain one or more of the following: a protective hydrocolloid (such as a gum, a protein, a modified starch), a binder, a film-forming agent, an encapsulating agent, a wall/shell material, a matrix compound, a coating, an emulsifier, a surface active agent, a solubilizing agent (such as an oil, a fat, a wax, a lecithin), an adsorbent, a carrier, a filler, a co-compound, a dispersing agent, a wetting agent, a processing aid (such as a solvent), a flowing agent, a taste masking agent, a weighting agent, a jellifying agent, a gel forming agent, an antioxidant or an antimicrobial.
  • a protective hydrocolloid such as a gum, a protein, a modified starch
  • a binder such as a gum, a protein, a modified starch
  • a film-forming agent such as a
  • the composition may also contain a conventional pharmaceutical additive, adjuvant, excipient or diluent, including, but not limited to, water, gelatin of any origin, vegetable gum, ligninsulfonate, talc, a sugar, a starch, gum arabic, a vegetable oil, polyalkylene glycol, a flavoring agent, a preservative, a stabilizer, a, emulsifying agent, a buffer, a lubricant, or a colorant.
  • a conventional pharmaceutical additive, adjuvant, excipient or diluent including, but not limited to, water, gelatin of any origin, vegetable gum, ligninsulfonate, talc, a sugar, a starch, gum arabic, a vegetable oil, polyalkylene glycol, a flavoring agent, a preservative, a stabilizer, a, emulsifying agent, a buffer, a lubricant, or a colorant.
  • Such further components are preferably selected having
  • the composition can comprise a protein.
  • suitable proteins include animal proteins (such as milk protein, meat protein or egg protein), a vegetable protein (such as soy protein, wheat protein, rice protein, or pea protein); mixtures of free amino acids; or combinations thereof. Milk proteins such as casein and whey, and soy proteins are particularly preferred.
  • the proteins may be intact, hydrolyzed, or a mixture of intact and hydrolyzed proteins.
  • Partially hydrolyzed proteins degree of hydrolysis between 2 and 20%
  • pre-hydrolyzed protein sources are generally easier digested and absorbed by an impaired gastro-intestinal tract.
  • hydrolysis process may be carried out as desired and as known in the art.
  • a whey protein hydrolysate may be prepared by enzymatically hydrolyzing the whey fraction in one or more steps. If the whey fraction used as the starting material is substantially lactose-free, the protein can suffer much less lysine blockage during the hydrolysis process. This enables the extent of lysine blockage to be reduced from about 15% by weight of total lysine to less than about 10% by weight of lysine; for example about 7% by weight of lysine which greatly improves the nutritional quality of the protein source.
  • the composition may also contain a carbohydrate and/or a source of fat. If the composition includes a fat, the fat preferably provides 5% to 40% of the energy of the composition; for example 20% to 30% of the energy.
  • a suitable fat profile may be obtained using a blend of canola oil, corn oil and high-oleic acid sunflower oil.
  • the carbohydrate preferably provides 40% to 80% of the energy of the composition.
  • suitable carbohydrates include sucrose, lactose, glucose, fructose, corn syrup solids, maltodextrins, and mixtures thereof.
  • a dietary fiber may be added. Dietary fiber passes through the small intestine undigested by enzymes and functions as a natural bulking agent and laxative. Dietary fiber may be soluble or insoluble and generally a blend of the two types is preferred.
  • Non-limiting examples of suitable dietary fibers include soy, pea, oat, pectin, guar gum, partially hydrolyzed guar gum, gum Arabic, fructo-oligosaccharides, acidic oligosaccharides, galacto-oligosaccharides, sialyl-lactose and oligosaccharides derived from animal milks.
  • a preferred fiber blend is a mixture of inulin with shorter chain fructo-oligosaccharides.
  • the fiber content is between 2 and 40 g/L of the composition, for example between 4 and 10 g/L.
  • the composition may comprise minerals and/or micronutrients such as trace elements and vitamins in accordance with the recommendations of Government bodies such as the USRDA.
  • the composition may comprise, per daily dose, one or more of the following micronutrients, preferably in the ranges given: 300 to 500 mg calcium, 50 to 100 mg magnesium, 150 to 250 mg phosphorus, 5 to 20 mg iron, 1 to 7 mg zinc, 0.1 to 0.3 mg copper, 50 to 200 ⁇ g iodine, 5 to 15 ⁇ g selenium, 1000 to 3000 ⁇ g beta carotene, 10 to 80 mg Vitamin C, 1 to 2 mg Vitamin B1, 0.5 to 1.5 mg Vitamin B6, 0.5 to 2 mg Vitamin B2, 5 to 18 mg niacin, 0.5 to 2.0 ⁇ g Vitamin B12, 100 to 800 ⁇ g folic acid, 30 to 70 ⁇ g biotin, 1 to 5 ⁇ g Vitamin D, and/or 3 to 10 ⁇ g Vitamin E.
  • One or more food grade emulsifiers may be incorporated into the composition, such as diacetyl tartaric acid esters of mono- and di-glycerides, lecithin, and/or mono- and di-glycerides. Suitable salts and stabilizers may be included.
  • the composition comprises an additional food grade micro-organism (i.e., in addition to the B. longum ATCC BAA-999).
  • Food grade micro-organisms are micro-organisms that are safe for use in food.
  • the food grade micro-organisms can comprise food-grade yeast.
  • the food grade bacteria may be selected from the group consisting of lactic acid bacteria, bifidobacteria, propionibacteria and mixtures thereof.
  • suitable food grade yeast include Saccharomyces cerevisiae and/or Saccharomyces boulardii.
  • the food grade bacteria can comprise additional probiotic bacteria, although in some embodiments the B. longum ATCC BAA-999 is the only probiotic bacteria in the composition.
  • “Probiotic” means microbial cell preparations or components of microbial cells with a beneficial effect on the health or well-being of the host. (Salminen S., Ouwehand A., Benno Y. et al “Probiotics: how should they be defined” Trends Food Sci. Technol. 1999:10 107-10).
  • Probiotic bacteria are preferably selected from the group consisting of lactic acid bacteria, bifidobacteria, propionibacteria and mixtures thereof.
  • Probiotic bacteria may be any lactic acid bacteria or bifidobacteria with established probiotic characteristics.
  • probiotic bacteria may be capable of promoting the development of a bifidogenic intestinal microbiota.
  • suitable probiotic bacteria include Bifidobacterium, Lactobacillus, Streptococcus, Saccharomyces and mixtures thereof, in particular selected from the group consisting of Bifidobacterium longum, Bifidobacterium lactis, Lactobacillus acidophilus, Lactobacillus rhamnosus, Lactobacillus paracasei, Lactobacillus johnsonii, Lactobacillus plantarum, Lactobacillus salivarius, Enterococcus faecium, Saccharomyces boulardii and Lactobacillus reuteri and mixtures thereof, preferably selected from the group consisting of Lactobacillus johnsonii (NCC533; CNCM 1-1225), Bifidobacterium longum (NCC490; CNCM 1-2170), Bifidobacterium longum (NCC2705; CNCM 1-2618), Bifidobacterium lactis (2818; CNCM
  • the composition comprises at least one prebiotic.
  • prebiotic means a food substance intended to promote the growth of probiotic bacteria in the intestines.
  • a prebiotic can promote the growth of certain food grade bacteria, in particular growth of probiotic bacteria, in the intestines and can thus enhance the effect of B. longum ATCC BAA-999 and any additional probiotic bacteria.
  • the prebiotic is selected from the group consisting of oligosaccharides and optionally fructose, galactose, mannose, soy and/or inulin; dietary fibers; or mixtures thereof.
  • At least a portion of the B. longum ATCC BAA-999 may be living bacterium. Additionally or alternatively, at least a portion of the B. longum ATCC BAA-999 may be inactivated non-replicating bacterium.
  • Non-replicating means that no viable cells and/or colony forming units can be detected by classical plating methods. Such classical plating methods are summarized in the microbiology book: James Monroe Jay, Martin J. Loessner, David A. Golden. 2005. Modern food microbiology. 7th edition, Springer Science, New York, N.Y. 790 p. Typically, the absence of viable cells can be shown as follows: no visible colony on agar plates or no turbidity in liquid growth medium after inoculation with different concentrations of bacterial preparations (“non-replicating” samples) and incubation under appropriate conditions (aerobic and/or anaerobic atmosphere for at least 24 h).
  • a non-replicating form of the B. longum ATCC BAA-999 may be preferable.
  • at least 80%, preferably at least 90%, more preferably at least 95% of the B. longum ATCC BAA-999 can be non-replicating in the composition.
  • At least a part of the B. longum ATCC BAA-999 are alive in the composition and preferably arrive alive in the intestine.
  • at least 5%, preferably at least 10%, more preferably at least 15% of the B. longum ATCC BAA-999 can be viable in the composition.
  • the alive B. longum ATCC BAA-999 can persist in the intestine and may increase their effectiveness by multiplication.
  • the alive B. longum ATCC BAA-999 may also be effective by interacting with the commensal bacteria and/or the host.
  • the composition is administered in an amount sufficient to at least partially cure or arrest the symptoms of the condition and its complications.
  • An amount adequate to accomplish this purpose is defined as “a therapeutically effective dose”. Amounts effective for this purpose will depend on a number of factors known to those of skill in the art, such as the severity of the condition and the weight and general state of the patient.
  • the composition can be administered to a patient susceptible to or otherwise at risk of a particular condition in an amount that is sufficient to at least partially reduce the risk of developing the condition.
  • an amount is “a prophylactically effective dose.”
  • the precise amounts depend on a number of patient-specific factors, such as the patient's state of health and weight.
  • the composition is preferably administered in an amount that provides a therapeutically effective dose and/or in a prophylactic effective dose of the B. longum ATCC BAA-999. If at least a portion of the B. longum ATCC BAA-999 is present in a viable form, the B. longum ATCC BAA-999 is theoretically effective in any concentration because the B. longum ATCC BAA-999 can colonize the gut and multiply therein.
  • a daily dose of the composition preferably provides between 10 4 and 10 12 cfu (colony forming units) of the B. longum ATCC BAA-999, more preferably from 10 4 to 10 11 cfu, most preferably from 10 4 to 10 10 cfu.
  • the composition may comprise between 10 2 and 10 10 cfu, preferably 10 2 to 10 9 cfu, more preferably 10 2 to 10 8 cfu of the B. longum ATCC BAA-999 per gram dry weight of the composition.
  • the composition can comprise between 10 2 and 10 10 non-replicating cells of the B. longum ATCC BAA-999 per gram of dry weight of the composition, preferably 10 3 to 10 8 non-replicating cells per gram of dry weight of the composition, more preferably 10 5 to 10 8 non-replicating cells per gram of dry weight of the composition.
  • Non-replicating micro-organisms do not form colonies, so the term “cells” indicates the amount of non-replicating micro-organisms obtained from the specified amount of replicating bacterial cells. This amount includes micro-organisms that are inactivated, non-viable or dead, or present as fragments such as DNA or cell wall materials.
  • the composition may be a powder having a water activity less than 0.2, preferably less than 0.15.
  • the composition may be a shelf-stable powder.
  • the low water activity can provide this shelf stability and can ensure that the B. longum ATCC BAA-999 and any additional probiotic micro-organism will remain viable even after long storage times.
  • Water activity (a w ) is a measurement of the energy status of the water in a system and is defined as the vapor pressure of water divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of exactly one.
  • the B. longum ATCC BAA-999 and any additional probiotic micro-organism may be provided in an encapsulated form.
  • Encapsulation of the bacteria can have therapeutical and technical advantages. For example, encapsulation can increase the survival of the bacteria and thus the number of live bacteria which arrive in the intestine. Furthermore, the bacteria can be gradually released, allowing a prolonged action of the bacteria on the health of the subject. For example, the bacteria may be freeze or spray dried and incorporated into a gel.
  • Another aspect of the present disclosure is a method of making an edible composition for stabilizing or improving mood and/or modulating excessive emotional distress.
  • the method can comprise incorporating a therapeutically effective or a prophylactically effective amount of B. longum ATCC BAA-999 into a food product comprising at least one of a protein, a fat or a carbohydrate.
  • the food product can be nutritionally complete.
  • the following non-limiting example is a randomized, double blind, placebo-controlled trial illustrative of B. longum ATCC BAA-999 reducing brain emotional reactivity.
  • the present inventors assessed brain activation patterns using the backward masked fear paradigm (fMRI), cognitive function (memory and concentration), serum BDNF and inflammatory markers, and gut microbiota profiles (16S rRNA Illumina).
  • fMRI backward masked fear paradigm
  • cognitive function cognitive function
  • serum BDNF and inflammatory markers serum BDNF and inflammatory markers
  • gut microbiota profiles (16S rRNA Illumina).
  • the fMRI paradigm utilized Blood Oxygenation Level Dependent (BOLD) activation in response to the presentation of emotional stimuli (fear and happy faces) that were masked by a neutral face, measured over four consecutive fMRI scan acquisitions in the scanner.
  • BOLD Blood Oxygenation Level Dependent
  • FIG. 2 shows that treatment with B. longum ATCC BAA-999 improved depression scores both by intention-to-treat analysis (ITT) and per protocol analysis (PP).
  • ITT intention-to-treat analysis
  • PP per protocol analysis
  • FIGS. 4 and 5 show that there was a statistically significant improvement in SF-36 physical global domain, as well as in general physical health (Physical functioning) and problems with work or other daily activities (Role physical), in the B. longum ATCC BAA-999 compared to placebo. Non-significant differences between treatment groups were observed in SF-36 mental global domain. However, when analyzing the mental subdomains, non-statistically significant trends for improvement in Vitality and Role emotional were observed in the B. longum ATCC BAA-999 treated group.
  • FIG. 6 shows that functional MRI revealed significant reductions from baseline in response to negative emotional stimuli in multiple brain areas involved in emotion processing, including amygdala, frontal and temporal brain regions (p ⁇ 0.001), in patients treated with B. longum ATCC BAA-999 compared with placebo. Specifically, before treatment, there was no major difference in response to fear stimuli vs fixation between placebo and B. longum groups, except for greater engagement of the visual association and parietal cortices in B. longum group. However, at the end of the treatment, there was greater engagement of the amygdala, frontal, and temporal cortices and reduced engagement of occipital regions in placebo group.

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