WO2017150409A1 - カカオ由来水抽出物、それを含む飲食品、カカオ抽出物の製造方法、及びポリフェノールの抽出方法 - Google Patents
カカオ由来水抽出物、それを含む飲食品、カカオ抽出物の製造方法、及びポリフェノールの抽出方法 Download PDFInfo
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- WO2017150409A1 WO2017150409A1 PCT/JP2017/007341 JP2017007341W WO2017150409A1 WO 2017150409 A1 WO2017150409 A1 WO 2017150409A1 JP 2017007341 W JP2017007341 W JP 2017007341W WO 2017150409 A1 WO2017150409 A1 WO 2017150409A1
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- cocoa
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- cacao
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- proanthocyanidins
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- 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
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/02—Preliminary treatment, e.g. fermentation of cocoa
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline
- A61K31/353—3,4-Dihydrobenzopyrans, e.g. chroman, catechin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
- A61K36/18—Magnoliophyta (angiosperms)
- A61K36/185—Magnoliopsida (dicotyledons)
- A61K36/577—Malvaceae (Mallow family)
- A61K36/5777—Theobroma, e.g. cocao or cocoa
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/22—Anxiolytics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P39/00—General protective or antinoxious agents
- A61P39/06—Free radical scavengers or antioxidants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- 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
- A23V2200/02—Antioxidant
-
- 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
- A23V2250/20—Natural extracts
- A23V2250/21—Plant extracts
- A23V2250/2116—Flavonoids, isoflavones
- A23V2250/21166—Proanthocyanidins, grape seed extracts
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- 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
- A23V2250/20—Natural extracts
- A23V2250/21—Plant extracts
- A23V2250/2132—Other phenolic compounds, polyphenols
-
- 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
- A23V2300/00—Processes
- A23V2300/14—Extraction
-
- 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
- A23V2300/00—Processes
- A23V2300/31—Mechanical treatment
Definitions
- the present invention relates to a water extract derived from cacao, a food and drink containing the same, a method for producing a cacao extract, and a method for extracting a polyphenol.
- Patent Document 1 discloses a method for extracting polyphenols from cocoa solids using an organic solvent such as methyl acetate or ethyl acetate.
- an object of the present invention is to provide a cacao extract that suppresses miscellaneous taste and has a better flavor, and a method for producing such a cacao extract.
- the inventors of the present invention have earnestly studied to obtain a cocoa extract from a cocoa raw material using water as an extraction solvent instead of an organic solvent in order to suppress a decrease in the flavor of the resulting extract. Went. And, it was found that by adjusting the temperature and pH of water used for extraction within an appropriate range, a cocoa extract containing a large amount of polyphenols (particularly proanthocyanidins) having high physiological activity can be obtained. The invention has been completed.
- the cacao-derived water extract according to the present invention contains polyphenol.
- This polyphenol includes proanthocyanidins.
- dimer proanthocyanidins, trimer proanthocyanidins, and tetramer proanthocyanidins with respect to the total mass of proanthocyanidins from monomer to octamer The ratio of the total mass of is 40% or more.
- the total mass of the dimeric proanthocyanidins, the trimeric proanthocyanidins, and the tetrameric proanthocyanidins relative to the total mass of the proanthocyanidins from monomer to octamer The ratio is preferably 51% or more.
- the above cacao-derived water extract contains procyanidin B2 and catechin as the polyphenol, and the ratio of the mass of procyanidin B2 to the mass of the catechin is preferably in the range of 5 to 20.
- the polyphenol does not substantially contain octamer proanthocyanidins.
- the above cacao-derived water extract preferably further contains theobromine at a concentration in the range of 5 mg / g to 20 mg / g.
- the food and drink according to the present invention contains any of the above cacao water extracts.
- the food and drink according to the present invention does not include animals and plants themselves.
- the method for producing a cocoa extract according to the present invention uses cocoa or a processed cocoa product as a raw material, and has a temperature within a range of 50 ° C. or higher and 90 ° C. or lower and a pH within a range of 2.0 or higher and 5.0 or lower. Extracting the cacao-derived component using the conditioned water.
- the above-described method for producing a cacao extract preferably includes adjusting the pH of the water within a range of more than 4.0 and 5.0 or less.
- the raw material is preferably roughly crushed cocoa beans.
- Another cacao extract according to the present invention is made from cacao or a processed cacao product. And the cacao extract which concerns on this invention was extracted using the water whose temperature is in the range of 50 degreeC or more and 90 degrees C or less and whose pH is in the range of 2.0 or more and 5.0 or less. is there.
- the polyphenol extraction method according to the present invention is a method in which the pulverized cocoa raw material is converted into water having a temperature in the range of 50 ° C. to 90 ° C. and a pH in the range of 2.0 to 5.0. Soaking and extracting the cocoa-derived component into the water. And in this extraction method, polyphenol is extracted in water, keeping the extraction amount of miscellaneous components low.
- the antioxidant composition which concerns on another situation of this invention contains the polyphenol derived from cacao as an active ingredient, Dimer proanthocyanidins with respect to the gross mass of proanthocyanidins from a monomer to octamer The ratio of the total mass of trimer proanthocyanidins and tetramer proanthocyanidins is 40% or more.
- the food / beverage products (however, except animal and plant itself), the functional food, the functional drink, the pharmaceutical, the cosmetics, and the chemicals which concern on another situation of this invention contain the said antioxidant composition.
- the cacao-derived water extract of the present invention contains a large amount of proanthocyanidins from dimers to tetramers having higher physiological activity among polyphenols. Moreover, since the cacao origin water extract of this invention is extracted using water, it has few miscellaneous components and has a favorable flavor compared with the extract extracted using the organic solvent. . Therefore, for example, it can be effectively used for foods and drinks having an antioxidant function, pharmaceuticals, and the like.
- a cocoa extract of the present invention it is possible to produce a cocoa extract containing polyphenol at a relatively high content by using water as an extraction solvent. Moreover, according to the manufacturing method of the cocoa extract of this invention, compared with the case where an organic solvent is used, a cocoa extract with few miscellaneous components can be manufactured.
- an extract containing polyphenols can be obtained with less miscellaneous components as compared with the case where an organic solvent is used as an extraction solvent.
- the method for producing a cocoa extract of the present invention was adjusted to a temperature in the range of 50 ° C. or higher and 90 ° C. or lower and a pH in the range of 2.0 or higher and 5.0 or lower, using cocoa or a processed cocoa product as a raw material.
- cacao-derived components are extracted using water.
- the cocoa-derived extract of the present invention can also be produced by this method.
- the method for producing the cocoa-derived extract of the present invention is not necessarily limited to this method.
- the cacao raw material used in the production method of the present invention is cacao or a processed cacao product.
- Cacao includes unfermented cocoa beans.
- the processed cocoa products include fermented cocoa beans, unfermented cocoa pulverized product (unfermented cocoa powder), fermented cocoa pulverized product (fermented cocoa powder), cocoa nibs, cocoa mass, and the like.
- the origin and growth condition of the cocoa beans to be used are not particularly limited.
- Unfermented cacao powder contains more physiologically active components such as antioxidant components than fermented cacao powder. Therefore, in the production method of the present invention, it is preferable to use unfermented cacao powder as a raw material.
- the roughly crushed cocoa beans are those having a particle size of about 1.0 mm or more and about 4.75 mm or less.
- the particle size of coarsely crushed cocoa beans can be determined by, for example, a method of gradually sieving with sieves having different opening sizes.
- the crushed cocoa beans contain a pulverized product having a particle diameter (maximum diameter) of 1.0 mm or more in a weight ratio of 70% or more, and the particle diameter (maximum diameter) is 1.0 mm. More preferably, the above pulverized product is contained in a weight ratio of 80% or more.
- the cacao-derived component is extracted using water adjusted to a temperature in the range of 50 ° C. to 90 ° C. and a pH in the range of 2.0 to 5.0.
- only water is used as the extraction solvent in order to extract the cacao-derived component.
- “using only water as an extraction solvent” means that a solvent containing water (H 2 O) as a main component is used as a solvent that is first added to a cocoa raw material such as cocoa powder.
- the water used here includes those generally falling under the category of water, such as pure water, distilled water, ion exchange water, and tap water.
- a pH adjusting agent such as citric acid
- distributing a cacao raw material in water you may add pH adjusters, such as a citric acid, later.
- the temperature of water is adjusted to a temperature within the range of 50 ° C. or higher and 90 ° C. or lower.
- adjusting the temperature of the water to a temperature in the range of 50 ° C. or more and 90 ° C. or less means, for example, that after adding normal temperature water to the cocoa raw material, the cocoa suspension water is in the range of 50 ° C. or more and 90 ° C. or less.
- the amount of polyphenol extracted can be increased by setting the water temperature to 50 ° C. or higher. Moreover, it is preferable that the temperature of water shall be in the range of 65 degreeC or more and 90 degrees C or less. Thereby, a cacao extract having a higher procyanidin B2 content can be obtained.
- the pH of water is adjusted within the range of 2.0 to 5.0.
- adjusting the pH of water within the range of 2.0 to 5.0 means, for example, that neutral (pH 7.0) water is added to the cocoa raw material, and then the pH of the cocoa suspension water is set to 2. It means that the pH is adjusted within the range of from 0.0 to 5.0.
- citric acid anhydrous citric acid powder, saturated citric acid solution, etc.
- malic acid tartaric acid, lactic acid, phosphoric acid, hydrochloric acid, sulfuric acid and the like can be used.
- the pH of water added to the cocoa raw material may be adjusted in advance to a pH in the range of 2.0 to 5.0.
- the amount of polyphenol extracted can be increased. Moreover, the increase in the acidity of the extract obtained can be suppressed by making pH of water 2.0 or more. Moreover, when the extract obtained is a liquid, polyphenols such as proanthocyanidins can be stabilized by maintaining the pH of the extract on the acidic side.
- the pH of water can also be 4.0 or less.
- a cocoa extract having a higher polyphenol content can be obtained.
- the ratio of the total mass of the 2 to 4 mer proanthocyanidins to the total mass of the 1 to 8 mer proanthocyanidins can be further increased.
- the amount of water used is preferably in the range of 5 to 100 times the mass ratio of the cocoa raw material, and more preferably in the range of 8 to 25 times.
- the cacao suspension water for a certain period of time (for example, within a range of 5 minutes to 5 hours) while maintaining the above-described temperature and pH.
- an active ingredient can be extracted more efficiently from a cacao raw material.
- a cocoa extract containing more proanthocyanidins can be obtained by setting the extraction time to 5 minutes or more.
- the extraction time time for stirring the cocoa suspension water while heating
- a solid-liquid separation step may be included after the stirring step of the cacao suspension water.
- methods such as centrifugation and filtration can be used. Centrifugation and filtration may be performed either alone or in combination.
- the conditions for centrifugation are not limited, but for example, the centrifugal force can be in the range of 2,000 g to 12,000 g and the required time can be in the range of 5 minutes to 45 minutes. By setting the centrifugal force to 2,000 g or more, solid-liquid separation can be performed in a shorter time. Moreover, the effective component contained in a supernatant can be taken out in the stable state by making centrifugal force into 12,000 g or less.
- the amount of miscellaneous components contained in a supernatant can be reduced by making a required time into 5 minutes or more.
- the manufacturing time of an extract can be shortened by making a required time into 45 minutes or less.
- the time required for centrifugation is more preferably in the range of 5 minutes to 30 minutes, and still more preferably in the range of 5 minutes to 15 minutes.
- the strainer of the mesh size in the range of 50 meshes or more and 200 meshes or less can be used. Further, a filter cloth or filter paper can be used instead of the strainer.
- the supernatant obtained by the above solid-liquid separation step is then concentrated.
- a vacuum concentrator such as a rotary evaporator can be used. In this way, a cocoa extract is obtained.
- the extraction process and the solid-liquid separation process described above may be performed a plurality of times. That is, for example, the same amount of water as the obtained supernatant is added to the residue obtained by the above-mentioned solid-liquid separation step, and the residue is suspended and stirred again, and then the supernatant is recovered through centrifugation or the like. do it.
- the extraction rate of active ingredients such as polyphenols in the obtained extract can be increased.
- the cocoa extract according to the present invention is made from cocoa or a processed cocoa material, and the temperature is in the range of 50 ° C. or more and 90 ° C. or less, and the pH is in the range of 2.0 or more and 5.0 or less. Extracted with water.
- the cocoa-derived water extract according to the present invention is extracted using cocoa as a raw material and water as an extraction solvent.
- the category of water includes a solvent containing water as a main component, an aqueous solution containing a substance soluble in water, and the like.
- the cacao origin water extract which concerns on this embodiment is manufactured using only water as an extraction solvent.
- the fall of the flavor of an extract can be suppressed compared with the extract which used organic solvents, such as ethyl acetate, methyl acetate, and alcohols (ethanol etc.) as an extraction solvent.
- the misty component contained in an extract can be reduced by using water as an extraction solvent.
- the cacao-derived water extract of the present invention contains polyphenol as an active ingredient.
- Polyphenols have long been known to have an antioxidant function.
- the antioxidant function of polyphenol contributes to the reduction of active oxygen harmful to the living body. Therefore, in recent years, many health foods, functional foods, cosmetics and the like containing polyphenols as an active ingredient are distributed in the market.
- Polyphenols include monomeric catechins, catechin polymers such as proanthocyanidins.
- the cacao-derived water extract of the present invention is rich in proanthocyanidins among polyphenols.
- proanthocyanidins in particular, it is known that the function of a catechin molecule dimer to tetramer (that is, proanthocyanidins having a dimer to tetramer) is high (Patent Document: WO2006 / 090830). No. publication).
- the cacao-derived water extract according to the present invention contains a relatively large amount of proanthocyanidins having a higher function than a dimer and a tetramer. That is, in the cacao-derived water extract of the present invention, dimer proanthocyanidins and trimers with respect to the total mass of monomeric to octameric proanthocyanidins (1 to 8-mer proanthocyanidins). The ratio of the total mass of proanthocyanidins and tetramer proanthocyanidins (2 to tetramer proanthocyanidins) is 40% or more.
- the ratio of the total mass of the 2- to 4-mer proanthocyanidins to the total mass of the 1- to 8-mer proanthocyanidins is preferably 44% or more, more preferably 50% or more, More preferably, it is 51% or more, and further more preferably 54% or more.
- the antioxidant function of the cacao origin water extract of this invention can be improved more.
- the upper limit of the content ratio of the dimer to tetramer proanthocyanidins is not particularly limited, but may be, for example, 70% or less, and preferably 60% or less.
- the polyphenol contained in the cacao-derived water extract of the present invention contains a relatively large amount of procyanidin B2.
- Procyanidin B2 suppresses protein kinase activity and is therefore used as an active ingredient in inflammation inhibitors and apoptosis inhibitors.
- Procyanidin B2 is a kind of polyphenol, and more specifically, has a chemical structure as shown in the following structural formula (A).
- the cacao-derived water extract of the present invention contains procyanidin B2 and catechin as polyphenols. And in the cacao origin water extract of this invention, it is preferable that ratio of the mass of procyanidin B2 with respect to the mass of catechin is in the range of 5-20. Moreover, in the cacao origin water extract of this invention, it is more preferable that ratio of the mass of procyanidin B2 with respect to the mass of catechin exists in the range of 10-20. Thus, in the cacao-derived water extract of the present invention, procyanidin B2 having higher physiological activity can be contained in a larger amount with respect to catechin, which is a monomeric proanthocyanidin.
- the content of multimeric proanthocyanidins having a higher molecular weight is preferably small.
- the cocoa-derived water extract of the present invention preferably contains no octamer proanthocyanidins.
- the content rate of the 2-4 tetramer proanthocyanidins with higher physiological activity can be increased.
- catechin multimers (polymers) corresponding to multimeric proanthocyanidins have strong bitterness and astringency. Therefore, the bitterness and astringency of the cacao-derived water extract can be reduced by reducing the content of multimeric proanthocyanidins.
- the cacao-derived water extract of the present invention may further contain theobromine at a concentration in the range of 5 mg / g to 20 mg / g.
- the content concentration of theobromine here is, for example, the content concentration in the extract after concentrating the supernatant obtained in the solid-liquid separation step of the production method described above.
- Theobromine is a xanthine alkaloid that is relatively abundant in cacao.
- Theobromine has physiological activity such as vasodilatory action and diuretic action, but also causes unpleasant flavor such as bitter taste. Therefore, it is desirable to contain it in an appropriate amount in the cocoa extract.
- the theobromine content can be set to an appropriate amount in the range of 5 mg / g to 20 mg / g.
- the content of theobromine can be in the range of 5 mg / g to 10 mg / g.
- the cocoa-derived water extract of the present invention is preferably distributed in the form of an aqueous solution containing no organic solvent. Thereby, the fall of the flavor of an extract can be suppressed. More preferably, the cocoa-derived water extract of the present invention is in the form of a concentrated aqueous solution.
- the cacao-derived water extract of the present invention may be powdered after being concentrated.
- a spray drying method, a freeze drying method, a pressure reduced pressure drying method, or the like can be used.
- a spray drying method, a freeze drying method, a pressure reduced pressure drying method, or the like can be used.
- the cocoa-derived water extract of the present invention described above and the cocoa extract obtained by the above-described production method of the present invention contain polyphenols as an antioxidant component. Therefore, the cacao-derived water extract (or cacao extract) according to the present invention can be effectively used as an antioxidant composition. Such an antioxidant composition is also included in the technical scope of the present invention.
- the cacao-derived water extract of the present invention can be used as an active ingredient such as an active oxygen inhibitor, an anti-aging agent, a preventive or therapeutic agent for cancer, an anti-stress agent, and an arteriosclerosis inhibitor.
- the cacao-derived water extract (or cacao extract) of the present invention contains many antioxidant components, it is used as an active ingredient in foods and drinks (excluding animals and plants themselves), pharmaceuticals, chemicals, and cosmetics. can do.
- the cocoa extract of the present invention uses water as an extraction solvent, it has fewer miscellaneous components and a better flavor compared to the case of using an organic solvent such as ethanol. ing.
- the food and drink of the present invention may contain a known additive that can be contained in a food (for example, a functional food).
- a food for example, a functional food
- additives include water, sugars, sugar alcohols, starch and processed starch, dietary fiber, milk, processed milk, soy milk, fruit juice, vegetable juice, fruits / vegetables and processed products thereof, proteins, peptides, amino acids , Animal and plant crude drug extracts, naturally derived polymers (collagen, hyaluronic acid, chondroitin, etc.), vitamins, minerals, thickeners, emulsifiers, preservatives, coloring agents, fragrances and the like.
- Specific examples of food and drink include beverages, cocoa, chocolate, coffee, gum, gummi, jelly, and dairy products. However, the form of food and drink is not particularly limited.
- cocoa extract of the present invention is not limited to use for food and drink.
- the antioxidant component contained in the cocoa extract of the present invention can be used as an active ingredient for pharmaceuticals, chemical products, cosmetics and the like in addition to food and drink.
- a known additive that can be contained in the pharmaceutical product may be contained.
- additives include excipients, disintegrants, binders, fluidizing agents, flavoring agents, flavoring agents, coloring agents, sweetening agents, solvents, fats and oils, thickeners, surfactants, gelling agents, stability agents. Agents, preservatives, buffers, suspending agents, thickeners and the like.
- the polyphenol extraction method according to the present invention will be described.
- the pulverized cocoa raw material is immersed in water having a temperature in the range of 50 ° C. or higher and 90 ° C. or lower and a pH in the range of 2.0 or higher and 5.0 or lower.
- a step of extracting a cacao-derived component According to this extraction method, polyphenols can be efficiently extracted into water while keeping the amount of misty components extracted low.
- the same cocoa extract production method as described above can be used.
- the temperature and pH of water used as the extraction solvent can be adjusted by the same method as the above-described method for producing a cocoa extract of the present invention.
- the same conditions as the manufacturing method of the cocoa extract of the above-mentioned this invention can be employ
- Test 1 an extraction test was performed using water at 70 ° C. and pH 4.0 as an example of the method for producing the cocoa extract of the present invention. In the extraction test, the mass of the cocoa raw material used and the extraction period were appropriately changed. These extraction tests are referred to as Example 1-1 to Example 1-6. For comparison, a similar extraction test was performed using 10 ° C. water and 30 ° C. water. These extraction tests are referred to as Comparative Example 1-1 to Comparative Example 1-3.
- Cocoa extract was obtained from a cocoa raw material by the following procedure.
- Cocoa powder was added to 1,000 g of ultrapure water and suspended.
- the amount of cocoa powder to be added was changed for each test, and was set to 50 g, 80 g, 100 g, or 125 g.
- Anhydrous citric acid powder and a saturated citric acid solution were added to the suspension, and the suspension was adjusted to pH 4.0.
- the mixture was heated to 70 ° C. and extracted with stirring for 1 hour. For comparison, tests were also performed when the temperature was 10 ° C and when the temperature was 30 ° C. For comparison, tests were also conducted when the extraction time was extended to 3, 5, and 16 hours.
- the suspension was cooled to 20 ° C.
- the total amount of polyphenols was measured by the Prussian blue method according to the following procedure.
- (1) The target sample was diluted with methanol to an appropriate concentration to obtain a 50% methanol solution. Thereafter, the methanol solution was filtered with a 0.45 ⁇ m filter to obtain an analysis sample.
- (2) 100 ⁇ l of an analytical sample was added to 50 ml of pure water, and the liquid was stirred with a stirrer bar.
- the amount of low molecular weight proanthocyanidins was measured by a reverse phase HPLC method. (1) The target sample was diluted with methanol to an appropriate concentration to obtain a 50% methanol solution. Thereafter, the methanol solution was filtered with a 0.45 ⁇ m filter to obtain an analysis sample. (2) Each analysis sample was subjected to HPLC analysis under the following conditions.
- the theobromine content was measured by the following procedure by HPLC. (1) The target sample was diluted with water to an appropriate concentration to obtain an aqueous solution. Thereafter, the aqueous solution was filtered with a 0.45 ⁇ m filter to obtain an analysis sample. (2) Each analysis sample was subjected to HPLC analysis under the following conditions.
- total poly represents the total amount of polyphenols contained in the extract.
- Pr6 species refers to six types of procatechin (ca), epicatechin (ep), procyanidin B2 (b2), procyanidin B5 (b5), procyanidin C1 (c1), and cinnamtannin A2 (A2). Represents the total amount of anthocyanidins.
- the total amount of polyphenols and proanthocyanidins can be extracted with high efficiency by obtaining the cocoa extract under the extraction conditions of Example 1-1 to Example 1-6.
- the cacao extract extracted under the extraction conditions of Example 1-1 to Example 1-6 has a very high probability of belonging to the technical scope of the invention according to claim 1 (product invention) from the extraction conditions. .
- (B) Method A cocoa extract was obtained from a cocoa raw material by the following procedure. (1) To a 200 ml Erlenmeyer flask containing 1.0 g of cacao powder, 85 ml of ultrapure water was added and suspended. (2) Citric acid (anhydrous citric acid powder and a saturated citric acid solution) was added to the suspension of (1) to adjust the pH to 2.0, 3.5, and 5.0, respectively. (3) The suspension temperature of (2) was heated to 50 ° C., 70 ° C., and 90 ° C., respectively, and extracted with stirring for 1 hour. (4) Each suspension of (3) was cooled and then centrifuged, and the supernatants were collected to obtain cocoa extracts.
- Citric acid anhydrous citric acid powder and a saturated citric acid solution
- the centrifugation conditions here were 10,000 g, 10 minutes, and 25 ° C.
- the component analysis was performed with the following method. In the component analysis here, the content ( ⁇ g / ml) of each of the above-mentioned six types of proanthocyanidins and the content ( ⁇ g / ml) of proanthocyanidins from 1 to 8 mer were measured. did.
- the content of the six types of proanthocyanidins was measured by a reverse phase HPLC method in the same manner as the method for measuring the amount of low molecular weight proanthocyanidins in Test 2 described above. And the calibration curve was created from the measured value using commercially available epicatechin, and the quantity of each proanthocyanidins was computed as epicatechin equivalent, respectively.
- the amount of proanthocyanidin polymer was measured by normal phase HPLC according to the following procedure. (1) The target sample was diluted with methanol to an appropriate concentration to obtain a 50% methanol solution. Thereafter, the methanol solution was filtered with a 0.45 ⁇ m filter to obtain an analysis sample. (2) Each analysis sample was subjected to HPLC analysis under the following conditions.
- Table 5 shows the analysis results for six proanthocyanidins.
- “ca” represents catechin
- “ep” represents epicatechin
- “b2” represents procyanidin B2
- “b5” represents procyanidin B5
- “c1” represents procyanidin C1
- “A2” represents cinnamtannin A2.
- Table 5 shows the content ( ⁇ g / ml) and mass ratio of six types of proanthocyanidins.
- Tables 6 and 7 show the analysis results regarding proanthocyanidins from 1 to 8 mer.
- Table 6 shows the content ( ⁇ g / ml) of various proanthocyanidins from 1 to 8 mer.
- Table 7 shows mass ratios of various proanthocyanidins from 1 to 8 mer.
- Table 7 also shows the ratio of the total mass of the 2- to 4-mer proanthocyanidins to the total mass of the proanthocyanidins (2-4 mer / 1-8 mer (%)).
- the ratio of the mass of procyanidin B2 (b2) to the mass of catechin (ca) (b2 / ca) is obtained by producing the cocoa extract using the method for producing a cocoa extract of the present invention. It was confirmed that it can be within an appropriate range (for example, within a range of 5 or more and 20 or less).
- the ratio of the total mass of the 2- to 4-mer proanthocyanidins to the total mass of the polyphenol has been confirmed to be 40% or more.
- the ratio of the total mass of 2- to 4-mer proanthocyanidins with respect to the total mass of the polyphenol is set to 51% or more by setting the temperature of water used for extraction to 70 ° C. or more and the pH to 4.0 or less. It was confirmed that it was possible.
- Example 3-1 Water adjusted to a temperature of 70 ° C. and pH 3.5
- Example 3-2 Water adjusted to a temperature of 70 ° C. and pH 3.5, two extraction steps Comparative Example 3-1: 70% Ethanol (temperature 70 ° C, pH unadjusted) Comparative Example 3-2: Temperature 70 ° C., pH unadjusted water
- Cocoa extract was obtained from a cocoa raw material by the following procedure.
- (1) Cocoa powder was added to each solvent and suspended.
- the mass ratio of cacao powder and solvent was 1:50.
- citric acid anhydrous citric acid powder and saturated citric acid solution
- the temperature of the suspension in (2) was heated to 70 ° C. and extracted with stirring for 1 hour.
- Each suspension of (3) was cooled and then centrifuged, and the supernatants were collected to obtain cocoa extracts.
- the centrifugation conditions here were 3,500 g, 10 minutes, and 25 ° C.
- Example 3-2 the second extraction step was performed between (4) and (5) above.
- the same amount of water as the first addition was added to the residue collected in the first solid-liquid separation step and suspended for 10 minutes. Thereafter, solid-liquid separation was performed by the same method as the first method, and the supernatant was collected, mixed with the supernatant of the first extraction step, and subjected to component analysis.
- Table 8 shows the ratio (%) of the mass of proanthocyanidins in the cacao extract to the mass of proanthocyanidins in the raw cacao powder. In Table 8, this ratio (%) is expressed as “recovery rate of proanthocyanidins (%)”.
- proanthocyanidins can be extracted with high efficiency by producing a cocoa extract using the method for producing a cocoa extract of the present invention, compared to the case where pH adjustment is not performed. Was confirmed. In addition, it was confirmed that the proanthocyanidins can be extracted by performing the extraction step a plurality of times to an extent comparable to that obtained by extraction with ethanol.
- Test 4 the flavor of the cacao extracts obtained in Example 3-1 (acid hot water extract) and Comparative Example 3-1 (ethanol extract) was evaluated. About each cacao extract, the density
- the evaluation of the flavor was performed by 10 professional panelists who passed the Gomi identification test established by the applicant of the present application. Ten panelists sampled each cocoa extract and evaluated the following items in five stages.
- the cocoa extract obtained by the method for producing a cocoa extract of the present invention has all bitterness, astringency and miscellaneous taste suppressed as compared with the cocoa extract extracted using ethanol. It was confirmed that Moreover, it was confirmed that the cocoa extract obtained by the manufacturing method of the cocoa extract of this invention has a favorable flavor compared with the cocoa extract extracted using ethanol. From this result, it can be said that the cocoa extract obtained by the method for producing a cocoa extract of the present invention has an overall better evaluation in terms of taste than the cocoa extract extracted using ethanol.
- each suspension was filtered with a stainless mesh (50 mesh, mesh size: about 300 ⁇ m) to remove solid matter having a medium particle size.
- each suspension was filtered with a stainless mesh (150 mesh, opening of about 106 ⁇ m) to remove a solid content having a small particle size.
- the filtrate was concentrated with a rotary evaporator so that the Brix (Bx) solid content was about 25% to obtain a cacao extract.
- the amount of total polyphenol and the amount of low molecular weight proanthocyanidins were measured in the same manner as in Test 1. The results are shown in Table 11 below. In Table 11, “total poly” represents the total amount of polyphenols contained in the extract.
- the “Pr6 species” refers to six types of procatechin (ca), epicatechin (ep), procyanidin B2 (b2), procyanidin B5 (b5), procyanidin C1 (c1), and cinnamtannin A2 (A2). Represents the total amount of anthocyanidins. In Table 11, the total amount of polyphenols and the total amount of seed proanthocyanidins are shown as the active ingredient recovery rate (%).
- the cocoa extract obtained using the coarsely crushed cocoa bean was lower in the total polyphenol content than the cocoa extract obtained using the powdery cocoa raw material used in Test 1. It was confirmed that the extraction amount of molecular proanthocyanidins was increased.
- each suspension was filtered with a stainless mesh (50 mesh, mesh size: about 300 ⁇ m) to remove solid matter having a medium particle size.
- each suspension was filtered with a stainless mesh (150 mesh, opening of about 106 ⁇ m) to remove a solid content having a small particle size.
- the filtrate was concentrated with a rotary evaporator so that the Brix (Bx) solid content was about 25% to obtain a cacao extract.
- the amount of total polyphenol and the amount of low molecular weight proanthocyanidins were measured in the same manner as in Test 1. The results are shown in Table 12 below.
- total poly represents the total amount (concentration (mg / g) and recovery rate (%)) of polyphenols contained in the extract.
- the “Pr6 species” refers to six types of procatechin (ca), epicatechin (ep), procyanidin B2 (b2), procyanidin B5 (b5), procyanidin C1 (c1), and cinnamtannin A2 (A2). The total amount of anthocyanidins (concentration (mg / g) and recovery rate (%)) is shown. In Table 12, for comparison, the total amount of polyphenol and the total amount of six types of proanthocyanidins contained in the raw cocoa beans are also shown.
- the cacao extract obtained using coarsely crushed cacao beans contained a higher content of low-molecular proanthocyanidins than the raw cacao beans. It was done.
- the cocoa extract obtained using the coarsely crushed cocoa bean is higher in the low molecular weight proanthocyanidins than the cocoa extract obtained using the powdery cocoa raw material used in Test 1. It was confirmed that extraction can be performed with a recovery rate.
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Abstract
Description
以下に、本発明に係るカカオ抽出物の製造方法について説明する。本発明のカカオ抽出物の製造方法は、カカオまたはカカオ加工物を原料とし、50℃以上90℃以下の範囲内の温度、および2.0以上5.0以下の範囲内のpHに調整された水を用いてカカオ由来成分を抽出するという方法である。本発明のカカオ由来抽出物もこの方法によって製造することができる。但し、本発明のカカオ由来抽出物を製造する方法は、この方法に必ずしも限定はされない。
続いて、本発明に係るカカオ由来水抽出物について説明する。本発明に係るカカオ由来水抽出物は、カカオを原料とし、水を抽出溶媒として用いて抽出されたものである。ここで、水の範疇には、水を主成分として含有する溶媒、水に可溶な物質を含有する水溶液などが含まれる。この中でも、本実施形態に係るカカオ由来水抽出物は、水のみを抽出溶媒として用いて製造されることが好ましい。これにより、酢酸エチル、酢酸メチル、及び、アルコール類(エタノールなど)などの有機溶媒を抽出溶媒として用いた抽出物と比較して、抽出物の風味の低下を抑えることができる。さらに、水を抽出溶媒として用いることで、抽出物に含まれる雑味成分を低下させることができる。
上述の本発明のカカオ由来水抽出物、及び、上述の本発明の製造方法によって得られたカカオ抽出物には、抗酸化性成分としてポリフェノールが含まれている。したがって、本発明に係るカカオ由来水抽出物(または、カカオ抽出物)は、抗酸化性組成物として有効利用できる。このような抗酸化性組成物も、本発明の技術的範囲に含まれる。
続いて、本発明に係るポリフェノールの抽出方法について説明する。本発明に係る抽出方法は、粉砕されたカカオ原料を、温度が50℃以上90℃以下の範囲内であり、pHが2.0以上5.0以下の範囲内である水に浸し、水にカカオ由来成分を抽出させる工程を含む。この抽出方法によれば、雑味成分の抽出量を低く抑えつつ、水中にポリフェノールを効率的に抽出させることができる。
本試験1では、本発明のカカオ抽出物の製造方法の一例として、70℃およびpH4.0の水を用いて抽出試験を行った。抽出試験では、使用したカカオ原料の質量及び抽出期間を適宜変更した。これらの抽出試験を、実施例1-1から実施例1-6とする。また、比較のために、10℃の水、及び30℃の水を用いて同様の抽出試験を行った。これらの抽出試験を、比較例1-1から比較例1-3とする。
(A)原料
試験1では、カカオ原料として以下のものを使用した。
未発酵豆由来カカオパウダー(総ポリフェノール量:70.6mg/g、低分子プロアントシアニジン類6種:36.1mg/g、テオブロミン:14.0mg/g)
以下の手順でカカオ原料からカカオ抽出物を得た。
(1)1,000gの超純水に、カカオパウダーを加え、懸濁させた。ここでは、添加するカカオパウダーの量を試験ごとに変更し、50g、80g、100g、125gの何れかとした。
(2)懸濁液に無水クエン酸粉末および飽和クエン酸溶液を添加し、その懸濁液をpH4.0に調整した。
(3)70℃に加温して1時間撹拌抽出した。なお、比較のために、温度を10℃にした場合と、30℃にした場合の試験もそれぞれ行った。また、比較のために、抽出時間を、3時間、5時間、16時間に延長した場合の試験もそれぞれ行った。
(4)懸濁液を20℃に冷却した。
(5)各懸濁液の遠心分離を行い、上清をそれぞれ回収した。ここでの遠心分離の条件は、3,500g、10分、25℃であった。
(6)上記の(5)で回収した上清をステンレスメッシュ(150メッシュ、目開き約100μm)で濾過した。
(7)濾液をBrix(Bx)固形分が25%程度になるように、ロータリーエバポレーターで濃縮し、カカオ抽出物を得た。
(8)得られたカカオ抽出物について、以下の方法で成分分析を行った。
総ポリフェノール量は、プルシアンブルー法により以下の手順で測定した。
(1)対象試料をメタノールにて適当な濃度に希釈し、50%メタノール溶液とした。その後、そのメタノール溶液を0.45μmのフィルターでろ過し、分析試料とした。
(2)50mlの純水に分析試料を100μl添加し、その液をスターラーバーで撹拌した。
(3)上記(2)の試料に、硫酸鉄(III)アンモニウム12水和物の0.1M溶液を3ml加え、その液を20分間撹拌し、反応させた。
(4)上記(3)の試料にヘキサシアノ鉄(III)カリウムの8mM溶液を3ml加え、その液を20分間撹拌し、反応させた。
(5)反応後、(4)の試料の720nmにおける吸光度を分光光度計により測定した。
(6)上記と同様の方法にて市販のエピカテキンを用いた測定値から検量線を作成し、総ポリフェノール量をエピカテキン当量として算出した。
低分子プロアントシアニジン類量は、逆相HPLC法により測定した。
(1)対象試料をメタノールにて適当な濃度に希釈し、50%メタノール溶液とした。その後、そのメタノール溶液を0.45μmのフィルターでろ過し、分析試料とした。
(2)各分析試料について、以下の条件でHPLC分析を行った。
・カラム:Deverosil ODS-HG-5 (4.6×250mm)(野村化学社製)
・カラムオーブン温度:40℃
・移動相:A 0.1%トリフルオロ酢酸(TFA)水溶液
B 0.1%TFAアセトニトリル溶液
・流速:0.8ml/分
・インジェクション量:10μl
・検出器:UV検出器(波長280nm)
テオブロミン量は、HPLC法により以下の手順で測定した。
(1)対象試料を水にて適当な濃度に希釈し、水溶液とした。その後、その水溶液を0.45μmのフィルターでろ過し、分析試料とした。
(2)各分析試料について、以下の条件でHPLC分析を行った。
・カラム:ODS-80TM (4.6×250mm)(東ソー社製)
・カラムオーブン温度:40℃
・移動相:A 0.01Nリン酸バッファー、pH3.5
B 0.1%メタノール
・流速:1.0ml/分
・インジェクション量:10μl
・検出器:UV検出器(波長280nm)
本試験2では、本発明のカカオ抽出物の製造方法において、水の温度及びpHをそれぞれ変更させて、抽出試験を行った。その後、得られたカカオ抽出物について、成分分析を行った。
(A)原料
本試験2では、カカオ原料として以下のものを使用した。
未発酵豆由来カカオパウダー(総ポリフェノール量:70.1mg/g、低分子プロアントシアニジン類6種:31.7mg/g)
以下の手順でカカオ原料からカカオ抽出物を得た。
(1)カカオパウダー1.0gの入った200mlの三角フラスコに、85mlの超純水を加え、懸濁させた。
(2)(1)の懸濁液に、クエン酸(無水クエン酸粉末および飽和クエン酸溶液)を添加し、pHを、2.0、3.5、及び5.0にそれぞれ調整した。
(3)(2)の懸濁液の温度を50℃、70℃、及び90℃にそれぞれ加温して1時間撹拌抽出した。
(4)(3)の各懸濁液を冷却後、遠心分離を行い、上清をそれぞれ回収し、カカオ抽出物を得た。ここでの遠心分離の条件は、10,000g、10分、25℃であった。
(5)得られたカカオ抽出物について、以下の方法で成分分析を行った。ここでの成分分析では、上述の6種のプロアントシアニジン類のそれぞれの含有量(μg/ml)、及び、1から8量体までのプロアントシアニジン類の含有量(μg/ml)を、それぞれ測定した。
6種のプロアントシアニジン類の含有量は、上述の試験2における低分子プロアントシアニジン類量の測定方法と同様にして、逆相HPLC法により測定した。そして、市販のエピカテキンを用いた測定値から検量線を作成し、各プロアントシアニジン類の量をエピカテキン当量としてそれぞれ算出した。
プロアントシアニジン重合体量は、順相HPLCにより以下の手順で測定した。
(1)対象試料をメタノールにて適当な濃度に希釈し、50%メタノール溶液とした。その後、そのメタノール溶液を0.45μmのフィルターでろ過し、分析試料とした。
(2)各分析試料について、以下の条件でHPLC分析を行った。
・カラム:Deverosil Diol-5 (4.6×250mm)(野村化学社製)
・カラムオーブン温度:40℃
・移動相:A メタノール:純水:酢酸=95:3:2
B アセトニトリル:酢酸=49:1
・流速:0.8ml/分
・インジェクション量:10μl
・検出器:UV検出器(波長280nm)
本試験3では、カカオ原料からポリフェノールを抽出する場合に用いる溶媒の種類を変更し、プロアントシアニジン類の抽出量に差が出るか否かについて検討した。
(A)原料
本試験3では、カカオ原料として以下のものを使用した。
未発酵豆由来カカオパウダー(低分子プロアントシアニジン類:38.9mg/g)
本試験3では、抽出溶媒として、以下の4種類のものを使用した。
・実施例3-1:温度70℃、pH3.5に調整した水
・実施例3-2:温度70℃、pH3.5に調整した水、抽出工程2回
・比較例3-1:70%エタノール(温度70℃、pH未調整)
・比較例3-2:温度70℃、pH未調整の水
以下の手順でカカオ原料からカカオ抽出物を得た。
(1)各溶媒に、カカオパウダーを加え、懸濁させた。ここでは、カカオパウダーと溶媒との質量比を、1:50とした。
(2)実施例3-1及び実施例3-2では、(1)の懸濁液に、クエン酸(無水クエン酸粉末および飽和クエン酸溶液)を添加し、pHを3.5に調整した。
(3)(2)の懸濁液の温度を70℃に加温して1時間撹拌抽出した。
(4)(3)の各懸濁液を冷却後、遠心分離を行い、上清をそれぞれ回収し、カカオ抽出物を得た。ここでの遠心分離の条件は、3,500g、10分、25℃であった。
(5)得られたカカオ抽出物について、試験2と同様の方法で成分分析を行い、プロアントシアニジン類の含有量を測定した。
試験4では、上記の実施例3-1(酸熱水抽出物)及び比較例3-1(エタノール抽出物)で得られたカカオ抽出物について、風味の評価を行った。各カカオ抽出物について、低分子プロアントシアニジン類を100mg/100mlの濃度で含有するように、希釈液などを用いて濃度調整を行った。そして、各カカオ抽出物に、ショ糖を4%(w/w)になるように添加した。
苦味:5(強い)~1(弱い)
渋味:5(強い)~1(弱い)
雑味:5(強い)~1(弱い)
フルーツ感:5(強い)~1(弱い)
<抽出試験の方法>
(A)原料
試験5では、以下のカカオ豆を原料として使用した。
エクアドル産カカオ豆(総ポリフェノール量:37.0mg/g、低分子プロアントシアニジン類6種:5.0mg/g)
なお、試験5で用いたエクアドル産のカカオ豆は、試験1で用いた未発酵豆と比較して、有効成分量が少ない。
(1)原料のカカオ豆を、ペンチを用いて粗砕きした。砕いたカカオ豆の粒度分布を、各目開きのステンレスメッシュを用いて段階的に篩別して測定した。その結果を表10に示す。
(3)懸濁液に無水クエン酸粉末および飽和クエン酸溶液を添加し、その懸濁液をpH4.0に調整した。
(4)70℃に加温して1時間撹拌抽出した。
(5)懸濁液を20℃に冷却した。
(6)各懸濁液をステンレスメッシュ(20メッシュ、目開き約850μm)で濾過し、大きな粒径の固形分を除去した。
(7)次に、各懸濁液をステンレスメッシュ(50メッシュ、目開き約300μm)で濾過し、中程度の粒径の固形分を除去した。
(8)次に、各懸濁液をステンレスメッシュ(150メッシュ、目開き約106μm)で濾過し、小さな粒径の固形分を除去した。
(9)濾液をBrix(Bx)固形分が25%程度になるように、ロータリーエバポレーターで濃縮し、カカオ抽出物を得た。
(10)得られたカカオ抽出物について、試験1と同様の方法で、総ポリフェノール量および低分子プロアントシアニジン類量を測定した。その結果を以下の表11に示す。表11において、「総ポリ」とは、抽出物に含まれるポリフェノールの総量を表す。また、「Pr6種」とは、カテキン(ca)、エピカテキン(ep)、プロシアニジンB2(b2)、プロシアニジンB5(b5)、プロシアニジンC1(c1)、シンナムタンニンA2(A2)の6種のプロアントシアニジン類の総量を表す。なお、表11では、ポリフェノールの総量および種のプロアントシアニジン類の総量を、有効成分回収率(%)として示す。
<抽出試験の方法>
(A)原料
試験6では、以下のカカオ豆を原料として使用した。
ベトナム産未発酵カカオ豆(総ポリフェノール量:59.6mg/g、低分子プロアントシアニジン類6種:20.1mg/g)
(1)原料のカカオ豆を、試験5と同様の方法でペンチを用いて粗砕きした。
(2)粗砕きしたカカオ豆50gに対して、様々な量の超純水をそれぞれ加え、懸濁させた。加えた超純水の重量は、カカオ豆の重量に対して、6倍量、8倍量、12倍量の何れかとした。
(3)懸濁液に無水クエン酸粉末および飽和クエン酸溶液を添加し、その懸濁液をpH4.0に調整した。
(4)70℃に加温して1時間撹拌抽出した。
(5)懸濁液を20℃に冷却した。
(6)各懸濁液をステンレスメッシュ(20メッシュ、目開き約850μm)で濾過し、大きな粒径の固形分を除去した。
(7)次に、各懸濁液をステンレスメッシュ(50メッシュ、目開き約300μm)で濾過し、中程度の粒径の固形分を除去した。
(8)次に、各懸濁液をステンレスメッシュ(150メッシュ、目開き約106μm)で濾過し、小さな粒径の固形分を除去した。
(9)濾液をBrix(Bx)固形分が25%程度になるように、ロータリーエバポレーターで濃縮し、カカオ抽出物を得た。
(10)得られたカカオ抽出物について、試験1と同様の方法で、総ポリフェノール量および低分子プロアントシアニジン類量を測定した。その結果を以下の表12に示す。表12において、「総ポリ」とは、抽出物に含まれるポリフェノールの総量(濃度(mg/g)および回収率(%))を表す。また、「Pr6種」とは、カテキン(ca)、エピカテキン(ep)、プロシアニジンB2(b2)、プロシアニジンB5(b5)、プロシアニジンC1(c1)、シンナムタンニンA2(A2)の6種のプロアントシアニジン類の総量(濃度(mg/g)および回収率(%))を表す。なお、表12では、比較のために、原料のカカオ豆中に含まれるポリフェノールの総量及び6種のプロアントシアニジン類の総量も併せて示す。
Claims (11)
- ポリフェノールを含有するカカオ由来水抽出物であって、
前記ポリフェノールはプロアントシアニジン類を含み、
単量体から8量体までのプロアントシアニジン類の総質量に対する2量体プロアントシアニジン類、3量体プロアントシアニジン類、及び4量体プロアントシアニジン類の総質量の割合が、40%以上である、カカオ由来水抽出物。 - 単量体から8量体までのプロアントシアニジン類の総質量に対する2量体プロアントシアニジン類、3量体プロアントシアニジン類、及び4量体プロアントシアニジン類の総質量の割合が、51%以上である、請求項1に記載のカカオ由来水抽出物。
- 前記ポリフェノールとして、プロシアニジンB2及びカテキンを含み、
前記カテキンの質量に対する前記プロシアニジンB2の質量の比が、5以上20以下の範囲内である、請求項1または2に記載のカカオ由来水抽出物。 - 前記ポリフェノールは、8量体のプロアントシアニジン類を含んでいない、請求項1から3の何れか1項に記載のカカオ由来水抽出物。
- 5mg/g以上20mg/g以下の範囲内の濃度のテオブロミンを含む、請求項1から4の何れか1項に記載のカカオ由来水抽出物。
- 請求項1から5の何れか1項に記載のカカオ由来水抽出物を含む飲食品。
- カカオまたはカカオ加工物を原料とし、50℃以上90℃以下の範囲内の温度、および2.0以上5.0以下の範囲内のpHに調整された水を用いてカカオ由来成分を抽出する、カカオ抽出物の製造方法。
- 前記水のpHを、4.0超5.0以下の範囲内に調整することを含む、請求項7に記載のカカオ抽出物の製造方法。
- 前記原料は、粗砕きされたカカオ豆である、請求項7または8に記載のカカオ抽出物の製造方法。
- カカオまたはカカオ加工物を原料とし、
温度が50℃以上90℃以下の範囲内であり、かつpHが2.0以上5.0以下の範囲内である水を用いて抽出されたカカオ抽出物。 - 粉砕されたカカオ原料を、温度が50℃以上90℃以下の範囲内であり、pHが2.0以上5.0以下の範囲内である水に浸し、前記水にカカオ由来成分を抽出する工程を含み、
雑味成分の抽出量を低く抑えつつ、前記水中にポリフェノールを抽出させる方法。
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| SG11201806536UA SG11201806536UA (en) | 2016-02-29 | 2017-02-27 | Cacao-derived water extract, food and drink containing same, method for manufacturing cacao extract, and method for extracting polyphenol |
| JP2017537321A JP6268333B1 (ja) | 2016-02-29 | 2017-02-27 | カカオ由来水抽出物、およびそれを含む飲食品 |
| US16/072,726 US20190029288A1 (en) | 2016-02-29 | 2017-02-27 | Cacao-derived water extract, food and drink containing same, method for manufacturing cacao extract, and method for extracting polyphenol |
| CN201780010740.5A CN108601386A (zh) | 2016-02-29 | 2017-02-27 | 源自可可的水提取物、含有该水提取物的饮食品、可可提取物的制造方法及多酚的提取方法 |
| PH12018501592A PH12018501592A1 (en) | 2016-02-29 | 2018-07-26 | Cacao-derived water extract, food and drink containing same, method for manufacturing cacao extract, and method for extracting polyphenol |
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| JP (2) | JP6268333B1 (ja) |
| CN (1) | CN108601386A (ja) |
| PH (1) | PH12018501592A1 (ja) |
| SG (1) | SG11201806536UA (ja) |
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| JP7299365B1 (ja) | 2022-02-22 | 2023-06-27 | 森永製菓株式会社 | カカオ製品及びその製造方法 |
| JP2023547320A (ja) * | 2020-11-06 | 2023-11-10 | ソシエテ・デ・プロデュイ・ネスレ・エス・アー | ココア製品及びその製造方法 |
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| EP4321028A4 (en) | 2021-04-07 | 2025-04-16 | Meiji Co., Ltd | Baked confectionery composition with cocoa composition |
| CN117222323A (zh) * | 2021-04-07 | 2023-12-12 | 株式会社明治 | 含有可可组合物的软糖组合物 |
| US20240180171A1 (en) | 2021-04-07 | 2024-06-06 | Meiji Co., Ltd. | Puffed grain flour food containing cacao composition |
| CN116332894A (zh) * | 2023-03-22 | 2023-06-27 | 广东丸美生物技术股份有限公司 | 制备可可提取物的方法、化妆品 |
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- 2017-02-27 JP JP2017537321A patent/JP6268333B1/ja active Active
- 2017-02-27 WO PCT/JP2017/007341 patent/WO2017150409A1/ja not_active Ceased
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| JP7299365B1 (ja) | 2022-02-22 | 2023-06-27 | 森永製菓株式会社 | カカオ製品及びその製造方法 |
| JP2023122441A (ja) * | 2022-02-22 | 2023-09-01 | 森永製菓株式会社 | カカオ製品及びその製造方法 |
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| JP2017213000A (ja) | 2017-12-07 |
| JP6268333B1 (ja) | 2018-01-24 |
| PH12018501592A1 (en) | 2019-04-08 |
| JPWO2017150409A1 (ja) | 2018-03-08 |
| SG11201806536UA (en) | 2018-08-30 |
| US20190029288A1 (en) | 2019-01-31 |
| CN108601386A (zh) | 2018-09-28 |
| TW201733605A (zh) | 2017-10-01 |
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