WO2008142392A1 - Nutritional composition - Google Patents

Nutritional composition Download PDF

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Publication number
WO2008142392A1
WO2008142392A1 PCT/GB2008/001707 GB2008001707W WO2008142392A1 WO 2008142392 A1 WO2008142392 A1 WO 2008142392A1 GB 2008001707 W GB2008001707 W GB 2008001707W WO 2008142392 A1 WO2008142392 A1 WO 2008142392A1
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WO
WIPO (PCT)
Prior art keywords
composition
antioxidant
caffeine
nutritional
present
Prior art date
Application number
PCT/GB2008/001707
Other languages
French (fr)
Inventor
Timothy John Lawson
Alan Whitfield
Original Assignee
S I S (Science In Sport) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S I S (Science In Sport) Limited filed Critical S I S (Science In Sport) Limited
Publication of WO2008142392A1 publication Critical patent/WO2008142392A1/en

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Classifications

    • 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
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/40—Complete food formulations for specific consumer groups or specific purposes, e.g. infant formula
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • 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
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/20—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents
    • A23L29/269—Foods or foodstuffs containing additives; Preparation or treatment thereof containing gelling or thickening agents of microbial origin, e.g. xanthan or dextran
    • 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
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30—Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A23L29/35—Degradation products of starch, e.g. hydrolysates, dextrins; Enzymatically modified starches
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • 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

Definitions

  • the present invention relates to improved nutritional compositions and to methods of making the same.
  • the invention relates to nutritional products which help to improve performance of athletes , active people or those driving long distances or operating machinery.
  • Nutritional compositions for consumption during exercise are known. People driving long distances or operating machinery also take such compositions to help them stay alert and maintain performance.
  • compositions of this kind often include caffeine as a stimulant.
  • Caffeine is known to increase capacity for mental or physical labour.
  • disadvantages associated with caffeine use particularly when high doses are taken. These negative effects may include blurred vision and impaired motor control.
  • a nutritional composition comprising carbohydrate, caffeine, and one or more antioxidants, wherein the amount of antioxidant present in the composition is at least 10% by weight of the amount of caffeine .
  • the amount of antioxidant present in the composition is at least 15% by weight, more preferably at least 18% by weight and most preferably at least 20% by weight of the amount of caffeine.
  • the amount of antioxidant may be up to 80% by weight of the amount of caffeine.
  • it is up to 70%, more preferably up to 60%, preferably up to 50%, more preferably up to 45% and most preferably up to 35% by weight of the amount of caffeine.
  • the composition comprises antioxidant in an amount of from 25 to 35% by weight of the amount of caffeine. This percentage is calculated as weight of antioxidant x 100. weight of caffeine
  • any amounts of antioxidant mentioned relate to the total weight of all antioxidants present in the composition.
  • Carbohydrates suitable for use in the present invention include sugars, starches, oligosaccharides and polysaccharides. A mixture of two or more carbohydrates may be used.
  • Preferred carbohydrates for use in the invention are dextrins. Especially preferred is maltodextin.
  • composition may also contain one or more monosaccharides, for example, dextrose.
  • the weight ratio of carbohydrate to caffeine in the composition of the present invention is preferably from 1000:1 to 50:1, more preferably from 750:1 to 100:1, preferably from 600:1 to 200:1 and most preferably from 500:1 to 300:1.
  • the weight ratio of carbohydrate to antioxidant is preferably from 5000:1 to 200:1, more preferably from 3000:1 to 500:1 and most preferably from 2000:1 to 1000:1.
  • composition of the present invention may comprise a single antioxidant or it may comprise two or more antioxidants.
  • composition comprises at least two antioxidants.
  • the or each antioxidant compound present in the composition of the present invention is preferably selected from polyphenol antioxidants.
  • the or each antioxidant may be independently selected from tannin, lignin and flavonoid polyphenol antioxidants.
  • the or each antioxidant is a flavonoid antioxidant.
  • the composition preferably comprises an antioxidant obtainable from a fruit source, most preferably from a berry, for example blackcurrant.
  • an antioxidant is preferably selected from flavonoid antioxidants, especially from anthocyanin antioxidants.
  • the composition preferably comprises a cassis polyphenol. Most preferably the composition comprises a cassis bioflavonoid, especially a cassis anthocyanin.
  • the composition may comprise a further antioxidant obtainable from a fruit source, preferably a citrus fruit, for example grapefruit.
  • a further antioxidant is preferably selected from flavonoid antioxidants.
  • the composition comprises a citrus flavonoid antioxidant.
  • the composition comprises naringin.
  • the composition comprises a first antioxidant obtainable from a berry and a second antioxidant obtainable from a citrus fruit.
  • the weight ratio of the first antioxidant to second antioxidant is preferably from 1:5 to 100:1, more preferably from 1:2 to 50:1 and most preferably from 1:1 to 20:1.
  • composition further comprises one or more vitamins.
  • composition comprises vitamin C.
  • the composition is an aqueous composition and thus further comprises water.
  • the composition of the present invention is acidic.
  • it has a pH of between 2 and 7, preferably of between 3 and 6, more preferably of between 4 and 5.
  • the composition of the present invention is in the form of a gel.
  • the composition preferably comprises at least 200 gd ⁇ f 3 carbohydrate, preferably at least 250 gdrrf 3 , more preferably at least 300 gdm "3 and most preferably at least
  • a gel composition of the present invention may suitably comprise up to 600 gdm "3 carbohydrate, preferably up to 500 gdm "3 , more preferably up to 450 gdm “3 , preferably up to 400 gdm “3 , and most preferably up to 375 gdm “3 .
  • the composition in embodiments in which the composition is a gel, it preferably comprises at least 0.1 gdm "3 caffeine, preferably at least 0.3 gdm “3 , more preferably at least 0.5 gdm "3 , and most preferably at least 0.7 gdm- 3 .
  • a gel composition may suitably comprise up to 5 gdm -3 caffeine, preferably up to 4 gdm "3 , more preferably up to
  • compositions in which the composition comprises a gel preferably contains at least 50 mgdm "3 antioxidant, preferably at least 100 mgdm "3 and more preferably at least 150 mgdm 3 .
  • the gel composition comprises up to 1000 mgdm " antioxidant, preferably up to 600 mgdm "3 and more preferably up to 400 mgdm "3 .
  • the gel composition comprises a first antioxidant selected from an anthocyanin and a second antioxidant selected from a citrus bioflavoncid.
  • the first antioxidant is preferably present in the gel composition in an amount of at least 10 mgdm "3 , preferably at least 50 mgdm "3 , more preferably at least 100 mgdm "3 , preferably at least 125 mgdm "3 and most preferably at least 150 mgdm "3 .
  • the first antioxidant may suitably be present in the gel composition in an amount of up to 1000 mgdm "3 , preferably up to 750 mgdm “3 , more preferably up to 500 mgdm “3 , preferably up to 450 mgdm “3 , preferably up to 375 mgdm “3 and most preferably up to 350 mgdm "3 .
  • the second antioxidant is present in the gel composition in an amount of at least 1 mgdrrf 3 , preferably at least 3 mgdm "3 , more preferably at least 5 mgdm "3 , preferably at least 10 mgdrrf 3 , more preferably at least 12 mgdrrf 3 and most preferably at least 15 mgdrrf 3 .
  • the second antioxidant may suitably be present in the gel composition in an amount of up to 500 mgdrrf 3 , preferably up to 200 mgdrrf 3 , more preferably up to 100 mgdrrf 3 , preferably up to 75 mgdrrf 3 , preferably up to 50 mgdrrf 3 and most preferably up to 35 mgdrrf 3 .
  • the composition suitably comprises one or more gelling agents.
  • Suitable gelling agents include polysaccharides, for example gellan gum or xanthan gum.
  • the composition also includes a sequestrant, for example, citric acid.
  • a sequestrant for example, citric acid.
  • the composition suitably comprises from 0.5 to 5, preferably from 1 to 4 gdrrf 3 of one or more gelling agents .
  • vitamin C when present is preferably present in an amount of at least 5 mgdrrf 3 , more preferably at least 10 mgdrrf 3 , preferably at 15 mgdrrf 3 and most preferably at least 20 mgdrrf 3 .
  • vitamin C is present in a gel composition in an amount of up to 1000 mgdrrf 3 , preferably up to 750 mgdrrf 3 , preferably up to 500 mgdrrf 3 , more preferably up to 400 mgdrrf 3 , preferably up to 300 mgdrrf 3 and most preferably up to 275 mgdirf 3 .
  • the composition is of low osmolality.
  • the composition has an osmolality of less than 500 mOsmoldrrf 3 , preferably less than 400 mOsmoldrrf 3 .
  • Osmolality may be measured using an Wescor Vapour Pressure Osmometer, using standard techniques that are well understood by those skilled in the art.
  • the applicant has found that the inclusion of at least 10 wt% antioxidant by weight of caffeine is beneficial and improves blood flow.
  • composition of the present invention may further comprise additional optional excipients.
  • the composition may include flavourings, preservatives, colouring agents, sweeteners and acidity regulators.
  • Suitable sweeteners include artificial sweeteners, for example sucralose.
  • Suitable acidity regulators include citric acid and/or a salt thereof, for example sodium citrate.
  • composition of the present invention may be provided in the form of a beverage.
  • composition may be provided as a carbonated beverage.
  • composition when in the form of a beverage, it preferably comprises from 20 to 200, for example, 50 to 150 gdrrf 3 carbohydrate.
  • composition when in the form of a beverage it preferably comprises from 50 to 500, for example, 150 to 250 mgdrrf 3 caffeine.
  • composition when in the form of a beverage, it preferably comprises from 20 to 100, for example, 50 to 75 mgdrrf 3 antioxidant.
  • composition of the present invention may suitably provided in unit dose form.
  • a packaged nutritional product comprising a unit dose of the composition of the first aspect .
  • a unit dose refers to a single portion of composition and may, for example, comprise a single serving sachet of a gel composition or a single-serving can of a beverage of the present invention.
  • composition in unit dose form. This provides quick and easy access to an amount of nutritional composition suitable to improve performance. A person in need of a "boost" to improve mental or physical function would not want to spend time measuring out a desired "dose”. This also avoids potential problems associated with excess consumption of the composition.
  • the packaged nutritional product comprises a unit dose in the form of a gel.
  • a unit dose of a gel product preferably comprises at least 10 cm 3 , preferably at least 20 cm 3 , more preferably at least 30 cm 3 , preferably at least 40 cm 3 and most preferably at least 50 cm 3 .
  • a unit dose of a gel composition may comprise up to 300 cm 3 , preferably up to 250 cm 3 , preferably up to 200 cm 3 , more preferably up to 150 cm 3 , preferably up to 100 cm 3 and most preferably 75 cm 3 .
  • a unit dose preferably comprises from 50 to 750 cm 3 , more preferably from 100 to 500 cm 3 and most preferably from 200 to 350 cm 3 .
  • a unit dose of the composition of the present invention preferably comprises from 15 to 3Og carbohydrate.
  • a unit dose of the composition of the present invention preferably comprises from 25 to 150 mg caffeine.
  • a unit dose of the composition of the present invention preferably comprises from 1 to 60 mg antioxidant.
  • anthocyanin especially cassis anthocyanin
  • flavonoids especially citrus bioflavonoids, for example, naringin;
  • a fourth aspect of the present invention there is provided a method of manufacturing a composition of the first aspect.
  • the method of manufacture preferably is a method as described in the applicant's copending application number PCT/GB2007/000144.
  • a composition of the first aspect to improve mental and/or physical performance.
  • composition of the present invention may be consumed by an athlete during physical exercise in order to increase performance and endurance.
  • composition of the present invention may be taken by somebody by who needs to mentally concentrate on a task, for example somebody who is driving a long distance or somebody operating machinery for a long period of time.
  • a 60 cm 3 unit dose gel composition was prepared containing the following ingredients:
  • An athlete may suitably consume up to 4 unit doses of such a composition per day and would expect to observe improved performance with reduced side effects compared to caffeine containing products previously available.

Abstract

There is provided a nutritional composition comprising carbohydrate, caffeine, and one or more antioxidants, especially cassis anthocyanin and citrus bioflavonoids, wherein the amount of antioxidant present in the composition is at least 10% by weight of the amount of caffeine. Also provided is a method of making such a composition, its use and a packaged product.

Description

Nutritional Composition
The present invention relates to improved nutritional compositions and to methods of making the same. In particular the invention relates to nutritional products which help to improve performance of athletes , active people or those driving long distances or operating machinery.
When people exercise they perspire and the resultant loss of water may lead to dehydration, impaired heat dissipation, reduced exercise performance and potential health problems. Prolonged exercise may also deplete the carbohydrate energy stores of the body leading to reduced exercise performance. Ingesting both fluid and carbohydrate during exercise can replace some of the fluid lost and the energy stores used up and may enhance performance .
Nutritional compositions for consumption during exercise are known. People driving long distances or operating machinery also take such compositions to help them stay alert and maintain performance.
Compositions of this kind often include caffeine as a stimulant. Caffeine is known to increase capacity for mental or physical labour. However, there are a number of disadvantages associated with caffeine use, particularly when high doses are taken. These negative effects may include blurred vision and impaired motor control. There are also potential adverse effects on cardiac function as caffeine can increase arterial stiffness and increase systolic and diastolic blood pressure. It is an aim of the present invention to provide a nutritional composition suitable for ingestion by athletes, active people and/or those driving or operating machinery having improved properties .
According to a first aspect of the present invention there is provided a nutritional composition comprising carbohydrate, caffeine, and one or more antioxidants, wherein the amount of antioxidant present in the composition is at least 10% by weight of the amount of caffeine .
Preferably the amount of antioxidant present in the composition is at least 15% by weight, more preferably at least 18% by weight and most preferably at least 20% by weight of the amount of caffeine.
Suitably the amount of antioxidant may be up to 80% by weight of the amount of caffeine. Preferably it is up to 70%, more preferably up to 60%, preferably up to 50%, more preferably up to 45% and most preferably up to 35% by weight of the amount of caffeine.
In an especially preferred embodiment, the composition comprises antioxidant in an amount of from 25 to 35% by weight of the amount of caffeine. This percentage is calculated as weight of antioxidant x 100. weight of caffeine
Throughout this specification, unless otherwise stated, any amounts of antioxidant mentioned relate to the total weight of all antioxidants present in the composition. Carbohydrates suitable for use in the present invention include sugars, starches, oligosaccharides and polysaccharides. A mixture of two or more carbohydrates may be used.
Preferred carbohydrates for use in the invention are dextrins. Especially preferred is maltodextin.
The composition may also contain one or more monosaccharides, for example, dextrose.
The weight ratio of carbohydrate to caffeine in the composition of the present invention is preferably from 1000:1 to 50:1, more preferably from 750:1 to 100:1, preferably from 600:1 to 200:1 and most preferably from 500:1 to 300:1.
The weight ratio of carbohydrate to antioxidant is preferably from 5000:1 to 200:1, more preferably from 3000:1 to 500:1 and most preferably from 2000:1 to 1000:1.
The composition of the present invention may comprise a single antioxidant or it may comprise two or more antioxidants.
In preferred embodiments the composition comprises at least two antioxidants.
The or each antioxidant compound present in the composition of the present invention is preferably selected from polyphenol antioxidants. The or each antioxidant may be independently selected from tannin, lignin and flavonoid polyphenol antioxidants.
Preferably the or each antioxidant is a flavonoid antioxidant.
The composition preferably comprises an antioxidant obtainable from a fruit source, most preferably from a berry, for example blackcurrant. Such an antioxidant is preferably selected from flavonoid antioxidants, especially from anthocyanin antioxidants. The composition preferably comprises a cassis polyphenol. Most preferably the composition comprises a cassis bioflavonoid, especially a cassis anthocyanin.
The composition may comprise a further antioxidant obtainable from a fruit source, preferably a citrus fruit, for example grapefruit. Such an antioxidant is preferably selected from flavonoid antioxidants. Preferably the composition comprises a citrus flavonoid antioxidant. Most preferably the composition comprises naringin.
In an especially preferred embodiment, the composition comprises a first antioxidant obtainable from a berry and a second antioxidant obtainable from a citrus fruit.
The weight ratio of the first antioxidant to second antioxidant is preferably from 1:5 to 100:1, more preferably from 1:2 to 50:1 and most preferably from 1:1 to 20:1.
Other suitable antioxidants which may be included in the composition of the present invention include amino-acid derived antioxidants, for example, N-acetyl cysteine and carnitine; and terpene antioxidants, for example, β- carotene .
In some embodiments the composition further comprises one or more vitamins. In especially preferred embodiments the composition comprises vitamin C.
Preferably the composition is an aqueous composition and thus further comprises water.
Preferably the composition of the present invention is acidic. Preferably it has a pH of between 2 and 7, preferably of between 3 and 6, more preferably of between 4 and 5.
In some preferred embodiments the composition of the present invention is in the form of a gel. In such gel embodiments the composition preferably comprises at least 200 gdπf3 carbohydrate, preferably at least 250 gdrrf3, more preferably at least 300 gdm"3 and most preferably at least
Figure imgf000006_0001
A gel composition of the present invention may suitably comprise up to 600 gdm"3 carbohydrate, preferably up to 500 gdm"3, more preferably up to 450 gdm"3, preferably up to 400 gdm"3, and most preferably up to 375 gdm"3.
In embodiments in which the composition is a gel, it preferably comprises at least 0.1 gdm"3 caffeine, preferably at least 0.3 gdm"3, more preferably at least 0.5 gdm"3, and most preferably at least 0.7 gdm-3. A gel composition may suitably comprise up to 5 gdm -3 caffeine, preferably up to 4 gdm"3, more preferably up to
3 gdirf -3, prefera ,κbliy up to 2.5 gdm ,-"3 and most preferably up
Figure imgf000007_0001
In compositions in which the composition comprises a gel, it preferably contains at least 50 mgdm"3 antioxidant, preferably at least 100 mgdm"3 and more preferably at least 150 mgdm3.
Preferably the gel composition comprises up to 1000 mgdm" antioxidant, preferably up to 600 mgdm"3 and more preferably up to 400 mgdm"3.
Suitably the gel composition comprises a first antioxidant selected from an anthocyanin and a second antioxidant selected from a citrus bioflavoncid.
The first antioxidant is preferably present in the gel composition in an amount of at least 10 mgdm"3, preferably at least 50 mgdm"3, more preferably at least 100 mgdm"3, preferably at least 125 mgdm"3 and most preferably at least 150 mgdm"3.
The first antioxidant may suitably be present in the gel composition in an amount of up to 1000 mgdm"3, preferably up to 750 mgdm"3, more preferably up to 500 mgdm"3, preferably up to 450 mgdm"3, preferably up to 375 mgdm"3 and most preferably up to 350 mgdm"3.
Preferably the second antioxidant is present in the gel composition in an amount of at least 1 mgdrrf3, preferably at least 3 mgdm"3, more preferably at least 5 mgdm"3, preferably at least 10 mgdrrf3, more preferably at least 12 mgdrrf3 and most preferably at least 15 mgdrrf3.
The second antioxidant may suitably be present in the gel composition in an amount of up to 500 mgdrrf3, preferably up to 200 mgdrrf3, more preferably up to 100 mgdrrf3, preferably up to 75 mgdrrf3, preferably up to 50 mgdrrf3 and most preferably up to 35 mgdrrf3.
In gel embodiments the composition suitably comprises one or more gelling agents. Suitable gelling agents include polysaccharides, for example gellan gum or xanthan gum.
In some embodiments the composition also includes a sequestrant, for example, citric acid.
When present, the composition suitably comprises from 0.5 to 5, preferably from 1 to 4 gdrrf3 of one or more gelling agents .
In a gel composition, vitamin C when present is preferably present in an amount of at least 5 mgdrrf3, more preferably at least 10 mgdrrf3, preferably at 15 mgdrrf3 and most preferably at least 20 mgdrrf3.
Preferably vitamin C is present in a gel composition in an amount of up to 1000 mgdrrf3, preferably up to 750 mgdrrf3, preferably up to 500 mgdrrf3, more preferably up to 400 mgdrrf3, preferably up to 300 mgdrrf3 and most preferably up to 275 mgdirf3. Preferably the composition is of low osmolality. Suitably the composition has an osmolality of less than 500 mOsmoldrrf3, preferably less than 400 mOsmoldrrf3.
Osmolality may be measured using an Wescor Vapour Pressure Osmometer, using standard techniques that are well understood by those skilled in the art.
The applicant has found that the combination of ingredients used in the composition of the present invention provide a synergistic improvement in mental and physical performance. This combination counters some of the negative effects commonly observed with caffeine containing products.
In particular, the applicant has found that the inclusion of at least 10 wt% antioxidant by weight of caffeine is beneficial and improves blood flow.
The composition of the present invention may further comprise additional optional excipients. For example the composition may include flavourings, preservatives, colouring agents, sweeteners and acidity regulators.
Suitable sweeteners include artificial sweeteners, for example sucralose.
Suitable acidity regulators include citric acid and/or a salt thereof, for example sodium citrate.
In alternative embodiments, the composition of the present invention may be provided in the form of a beverage. In one embodiment the composition may be provided as a carbonated beverage.
When the composition is in the form of a beverage, it preferably comprises from 20 to 200, for example, 50 to 150 gdrrf3 carbohydrate.
When the composition is in the form of a beverage it preferably comprises from 50 to 500, for example, 150 to 250 mgdrrf3 caffeine.
When the composition is in the form of a beverage, it preferably comprises from 20 to 100, for example, 50 to 75 mgdrrf3 antioxidant.
The composition of the present invention may suitably provided in unit dose form.
According to a second aspect of the present invention there is provided a packaged nutritional product comprising a unit dose of the composition of the first aspect .
A unit dose refers to a single portion of composition and may, for example, comprise a single serving sachet of a gel composition or a single-serving can of a beverage of the present invention.
It is beneficial to provide the composition in unit dose form. This provides quick and easy access to an amount of nutritional composition suitable to improve performance. A person in need of a "boost" to improve mental or physical function would not want to spend time measuring out a desired "dose". This also avoids potential problems associated with excess consumption of the composition.
Preferably the packaged nutritional product comprises a unit dose in the form of a gel. A unit dose of a gel product preferably comprises at least 10 cm3, preferably at least 20 cm3, more preferably at least 30 cm3, preferably at least 40 cm3 and most preferably at least 50 cm3. A unit dose of a gel composition may comprise up to 300 cm3, preferably up to 250 cm3, preferably up to 200 cm3, more preferably up to 150 cm3, preferably up to 100 cm3 and most preferably 75 cm3.
In embodiments in which the composition comprises a beverage a unit dose preferably comprises from 50 to 750 cm3, more preferably from 100 to 500 cm3 and most preferably from 200 to 350 cm3.
A unit dose of the composition of the present invention preferably comprises from 15 to 3Og carbohydrate.
A unit dose of the composition of the present invention preferably comprises from 25 to 150 mg caffeine.
A unit dose of the composition of the present invention preferably comprises from 1 to 60 mg antioxidant.
In an especially preferred embodiment the present invention provides a unit dose of a nutritional composition comprising:
20 to 25 g carbohydrate, for example, maltodextrin; 50 to 100 mg of caffeine;
10 to 20 mg anthocyanin, especially cassis anthocyanin;
1 to 10 mg flavonoids, especially citrus bioflavonoids, for example, naringin;
2 to 15 mg vitamin C; .and
water.
According to a fourth aspect of the present invention there is provided a method of manufacturing a composition of the first aspect.
In embodiments in which the nutritional composition comprises of gel, the method of manufacture preferably is a method as described in the applicant's copending application number PCT/GB2007/000144.
According to a fifth aspect of the present invention there is provided the use of a composition of the first aspect to improve mental and/or physical performance.
The composition of the present invention may be consumed by an athlete during physical exercise in order to increase performance and endurance. Alternatively the composition of the present invention may be taken by somebody by who needs to mentally concentrate on a task, for example somebody who is driving a long distance or somebody operating machinery for a long period of time. The invention will now be described by way of the following non-limiting example.
Example
A 60 cm3 unit dose gel composition was prepared containing the following ingredients:
22 g maltodextrin 50 mg caffeine
13 mg cassis anthocyanin
2 mg nagrinin
2 mg vitamin C
40.5 g water 80 mg xanthan gum
80 mg gellan gum
60 mg citric acid
260 mg flavourings
25 mg preservatives 20 mg sweeteners
An athlete may suitably consume up to 4 unit doses of such a composition per day and would expect to observe improved performance with reduced side effects compared to caffeine containing products previously available.

Claims

Claims
1. A nutritional composition comprising carbohydrate, caffeine, and one or more antioxidants, wherein the amount of antioxidant present in the composition is at least 10% by weight of the amount of caffeine.
2. A nutritional composition according to claim 1 wherein the carbohydrate comprises maltodextrin.
3. A nutritional composition according to claim 1 or claim 2 wherein the antioxidant comprises cassis anthocyanin.
4. A nutritional composition according to any preceding claim wherein the antioxidant comprises a citrus bioflavonoid.
5. A nutritional composition according to any preceding claim which further comprises vitamin C.
6. A nutritional composition according to any preceding claim which is in the form of a gel.
7. A nutritional composition according to claim β which comprises from 300 to 400 gdm"3 carbohydrate.
8. A nutritional composition according to claim 6 or claim 7 which comprises from 0.5 to 2.5 gdrrf3 caffeine.
9. A nutritional composition 'according to any of claims 1 to 6 which is in the form of a beverage.
10. A packaged nutritional product comprising a unit dose of a composition as claimed in any preceding claim.
11. A packaged nutritional product according to claim 10 comprising:
20 to 25 carbohydrate, for example, maltodextrin;
50 to 100 mg of caffeine;
10 to 20 mg anthocyanin, especially cassis anthocyanin;
1 to 10 mg flavonoids, especially citrus bioflavonoids, for example, naringin;
2 to 15 mg vitamin C ; and
water.
12. A method of manufacturing a nutritional compostion as claimed in any of claims 1 to 9.
13. The use of a composition as claimed in any of claims 1 to 9 to improve mental and/or physical performance.
14. A composition substantially as hereinbefore decribed with reference to the example.
PCT/GB2008/001707 2007-05-17 2008-05-16 Nutritional composition WO2008142392A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0709510.2A GB2450076B (en) 2007-05-17 2007-05-17 Nutritional composition
GB0709510.2 2007-05-17

Publications (1)

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