WO2012176845A1 - 精製クロロゲン酸類組成物の製造方法 - Google Patents
精製クロロゲン酸類組成物の製造方法 Download PDFInfo
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- WO2012176845A1 WO2012176845A1 PCT/JP2012/065875 JP2012065875W WO2012176845A1 WO 2012176845 A1 WO2012176845 A1 WO 2012176845A1 JP 2012065875 W JP2012065875 W JP 2012065875W WO 2012176845 A1 WO2012176845 A1 WO 2012176845A1
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- chlorogenic acid
- exchange resin
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- 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
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/216—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
- A23F5/22—Reducing or removing alkaloid content from coffee extract
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
- A23F5/22—Reducing or removing alkaloid content from coffee extract
- A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—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
- 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)
- A61K36/74—Rubiaceae (Madder family)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/05—Processes using organic exchangers in the strongly acidic form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/07—Processes using organic exchangers in the weakly acidic form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/05—Processes using organic exchangers in the strongly basic form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/07—Processes using organic exchangers in the weakly basic form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/026—Column or bed processes using columns or beds of different ion exchange materials in series
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/73—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids
- C07C69/732—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids of unsaturated hydroxy carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Definitions
- the present invention relates to a method for producing a purified chlorogenic acid composition.
- Chlorogenic acids have been reported to have an excellent blood pressure lowering effect, and are expected to be widely applied to supplements and foods and drinks (Patent Document 1).
- Raw coffee beans can be mentioned as a material containing a large amount of chlorogenic acids, but the raw coffee beans contain caffeine that causes adverse effects such as insomnia and nervousness due to overdose. For this reason, methods for selectively removing caffeine from chlorogenic acid-containing compositions containing caffeine have been studied.
- a method for extracting chlorogenic acids from green coffee beans a method of removing caffeine by contacting an aqueous solvent extract of green coffee beans with a strongly acidic cation exchange resin is known (Patent Document 2).
- the coffee bean extract is contacted with a hydrophobic adsorbent such as a styrene-divinylbenzene synthetic adsorbent, Methods for adsorbing and desorbing acids are known (Patent Documents 3 and 4).
- JP 2004-194515 A Japanese Patent Laid-Open No. 4-145048 JP 2008-94758 A Japanese Patent Laid-Open No. 4-145049
- the present invention includes a step A in which a chlorogenic acid-containing composition is brought into contact with a cation exchange resin, a step B in which the liquid obtained in step A is brought into contact with an anion exchange resin, and a desorption to the anion exchange resin after step B.
- the present invention provides a method for producing a purified chlorogenic acid composition comprising the step C of bringing a liquid into contact.
- the protein / chlorogenic acid ratio (mass ratio) is 0.1 or less
- the citric acid / chlorogenic acid ratio (mass ratio) is 0.05 or more
- the chlorogenic acids are contained in the solid content by 60 mass% or more.
- the present invention provides a purified chlorogenic acid composition.
- Patent Document 2 a strongly acidic cation exchange resin is used (Patent Document 2), a large amount of resin is required to increase the purity of chlorogenic acids and the removal rate of caffeine. It was found that when the amount used was reduced, the purity of chlorogenic acids obtained and the removal rate of caffeine were low, and the flavor of chlorogenic acids was poor. In the method of Patent Document 3, although caffeine is reduced, the yield of the chlorogenic acid composition is low, and further improvement is necessary.
- Patent Document 4 is a method in which chlorogenic acid and caffeine are adsorbed on a porous resin and only chlorogenic acid is recovered in the desorption process, and it has been found that the adsorption amount of chlorogenic acids is low. Therefore, the subject of this invention is providing the manufacturing method of the refined
- the present inventors examined the method for producing a purified chlorogenic acid composition using as an index the removal rate of caffeine, the yield and purity of the chlorogenic acid composition, and the flavor of the resulting chlorogenic acid composition.
- a purified chlorogenic acid composition is produced in a high yield by bringing the contained composition into contact with a cation exchange resin, bringing the treatment liquid into contact with an anion exchange resin, and then bringing the anion exchange resin into contact with a desorption liquid.
- the present inventors have found that the purified chlorogenic acid composition obtained has reduced caffeine, high purity and good taste, and completed the present invention.
- a chlorogenic acid composition having a reduced flavor of caffeine can be obtained by recovering chlorogenic acids from a chlorogenic acid-containing composition with high purity and efficiency.
- the obtained purified chlorogenic acid composition contains chlorogenic acids in a high concentration and has a good flavor, and thus is useful as a food or drink including beverages.
- the method for producing a purified chlorogenic acid-containing composition of the present invention includes the above-described Step A, Step B, and Step C. Hereinafter, each step will be described in detail.
- Step A is a step of bringing a chlorogenic acid-containing composition into contact with a cation exchange resin.
- chlorogenic acids in the present specification means 3-caffeoylquinic acid, 4-caffeoylquinic acid and monocaffeoylquinic acid of 5-caffeoylquinic acid, 3-ferlaquinic acid, 4-ferlaquina. Acid and 5-ferlaquinic acid monoferlaquinic acid and 3,4-dicaffeoylquinic acid, 3,5-dicaffeoylquinic acid and 4,5-dicaffeoylquinic acid dicaffeoylquinic acid dicaffeoylquinic acid The content of chlorogenic acids is defined based on the total amount of the above nine types.
- the chlorogenic acid-containing composition used as a raw material is not particularly limited as long as chlorogenic acids are contained, but a plant extract containing chlorogenic acids can be used.
- plant extracts include coffee beans, sunflower seeds, unripe apples, Simon leaves, pine cones, and pine seed shells.
- a coffee bean extract is preferable because of its high chlorogenic acid content.
- the extraction method and extraction conditions are not particularly limited.
- the coffee beans used as raw materials may be raw beans or roasted beans.
- the L value of the coffee beans is 20 to 100, preferably 25 to 95, more preferably 35 to 90, and still more preferably 50 to 80 from the viewpoint of the chlorogenic acid content.
- a coffee bean extract As a chlorogenic acid-containing composition used as a raw material, water, a water-miscible organic solvent, and a mixture thereof can be used as an extraction solvent.
- the obtained extract may be diluted or concentrated.
- a solution obtained by dissolving a dried product obtained by removing the solvent from the obtained extract solution in a solvent may be used. More specifically, it is preferable to use an extract of roasted coffee beans or green coffee beans or a mixture of water and a water-miscible organic solvent, a mixture of these extracts or a diluted solution thereof, a concentrated solution, or the like. .
- the water-miscible organic solvent used for extraction from coffee beans refers to an organic solvent that is compatible with water at an arbitrary ratio, such as ethanol, methanol, isopropyl alcohol, acetone, acetonitrile, and a mixture of two or more thereof. Is mentioned. Among these, alcohols such as ethanol, methanol and isopropyl alcohol, and mixtures of two or more thereof are preferable from the viewpoint of extraction rate, and ethanol is particularly preferable in consideration of use in foods.
- the mass ratio of the water-miscible organic solvent / water is preferably less than 70/30.
- an organic acid such as sodium ascorbate or an organic acid salt may be added in advance to water or a mixture of water and a water-miscible organic solvent.
- the extraction temperature is preferably 50 ° C. or higher, more preferably 80 ° C. or higher, more preferably 180 ° C. or lower, more preferably 150 ° C. or lower, and even more preferably 100 ° C. or lower from the viewpoint of extraction efficiency.
- coffee beans are put into water or a mixture of water and a water-miscible organic solvent, and the extract is collected by heating and stirring (batch method), or a column filled with coffee beans at room temperature or Examples include a method (column method) of extraction by passing water or a mixture of water and a water-miscible organic solvent under high temperature, normal pressure or pressurized conditions. Moreover, you may use together the method of extracting in so-called non-oxidative atmosphere, ventilating inert gas, such as boiling deaeration and nitrogen gas, and removing dissolved oxygen.
- non-oxidative atmosphere ventilating inert gas, such as boiling deaeration and nitrogen gas
- the chlorogenic acid content in the chlorogenic acid-containing composition used as a raw material is not particularly limited, but the chlorogenic acid content in the aqueous solution of the chlorogenic acid-containing composition when contacting the cation exchange resin is 0.1% by mass or more Is preferably 0.5% by mass or more, and more preferably 1% by mass or more.
- the chlorogenic acid content is preferably 20% by mass or less, more preferably 10% by mass or less, and further preferably 5% by mass or less.
- the specific chlorogenic acid content is preferably 0.1 to 20% by mass, more preferably 0.5 to 20% by mass, further preferably 0.5 to 10% by mass, and further preferably 1 to 5% by mass. preferable.
- the resin matrix, structure, and functional group are not particularly limited, and examples of the resin matrix include styrene-based, acryl-based, and methacrylic-based compounds such as styrene-divinylbenzene.
- the resin structure include a gel type and a porous type.
- the gel type refers to those having only micropores that are pores generated by swelling
- the porous type refers to those having macropores that are physical pores that do not disappear even in a dry state in addition to micropores. .
- the strongly acidic cation exchange resin examples include Diaion SK1B, SK1BH, SK102, SK116, PK208, PK212 (manufactured by Mitsubishi Chemical), Amberlite 200CT, IR118, IR120B, IR124 (manufactured by Dow Chemical). Can be mentioned.
- the functional group of the strongly acidic cation exchange resin examples include a sulfonic acid group.
- Specific examples of the weakly acidic cation exchange resin include Diaion WK10, WK40L (manufactured by Mitsubishi Chemical Corporation), Amberlite IRC76 (manufactured by Dow Chemical Company), and the like.
- the functional group of the weakly acidic cation exchange resin examples include a carboxylic acid group.
- the cation exchange resin used in this step it is preferable to use a proton type cation exchange resin from the viewpoint of removing impurities.
- the proton-type cation exchange resin include cation exchange resins obtained by substituting Na-type cation exchange resins with H-types, and specifically include SK1BH.
- the cation exchange resin is preferably washed with water in advance to remove the raw material monomer of the cation exchange resin and impurities in the raw material monomer.
- the method of bringing the chlorogenic acid-containing composition into contact with the cation exchange resin may be a batch type or a column type, but the column type is preferred from the viewpoint of work efficiency.
- a chlorogenic acid-containing composition may be passed through a column filled with a cation exchange resin.
- the space velocity (SV) is preferably 0.1 [hr ⁇ 1 ] or more, more preferably 0.2 [hr ⁇ 1 ] or more, 0.5 [Hr ⁇ 1 ] or more is more preferable.
- the space velocity is preferably 50 [hr -1 ] or less, more preferably 10 [hr -1 ] or less, further preferably 8 [hr -1 ] or less, and further preferably 5 [hr -1 ] or less.
- 0.1 to 50 [hr ⁇ 1 ] is preferable, 0.1 to 10 [hr ⁇ 1 ] is more preferable, and 0.2 to 8 [hr ⁇ 1 ] is more preferable. 0.5 to 5 [hr ⁇ 1 ] is more preferable.
- an aqueous solution in which a chlorogenic acid-containing composition is dissolved with respect to 1 part by mass of the cation exchange resin is brought into contact with 0.5 part by mass or more, further 1 part by mass or more, further 5 parts by mass or more, and further 10 parts by mass or more.
- the aqueous solution to be contacted is preferably 240 parts by mass or less, further 60 parts by mass or less, further 45 parts by mass or less, and further 40 parts by mass or less with respect to 1 part by mass of the cation exchange resin.
- the aqueous solution is preferably brought into contact with 0.5 to 240 parts by mass, more preferably 1 to 60 parts by mass, and more preferably 5 to 45 parts by mass with respect to 1 part by mass of the cation exchange resin. More preferably, it is more preferably 10 to 40 parts by mass.
- Step A the extraction of the chlorogenic acid-containing composition used as the raw material and Step A may be performed simultaneously. That is, you may extract in the state which mixed coffee beans and cation exchange resin.
- the pH of the liquid obtained in Step A is preferably less than 4, more preferably 3.5 or less, and even more preferably 3 or less in terms of caffeine reduction, the yield, purity and flavor of the chlorogenic acid composition. Further, the pH of the liquid is preferably 0.5 or more, and more preferably 1 or more. The pH of the liquid is more preferably from 0.5 to 3.5, further preferably from 1 to 3.
- the liquid obtained by the step A is a liquid after the chlorogenic acid-containing composition is brought into contact with the cation exchange resin in the case of the batch type, and is filled with the cation exchange resin in the case of the column type. This is a liquid obtained by passing a chlorogenic acid-containing composition through a column.
- Step B is a step of bringing the liquid obtained in Step A into contact with an anion exchange resin.
- any of a strong basic ion exchange resin and a weak basic ion exchange resin can be used.
- the resin matrix, structure, and functional group are not particularly limited, and examples of the resin matrix include styrene-based, acryl-based, and methacrylic-based compounds such as styrene-divinylbenzene.
- Examples of the resin structure include a gel type and a porous type.
- strongly basic anion exchange resins include Diaion SA10A, SA20A, PA300, PA400, HPA25 (manufactured by Mitsubishi Chemical), Amberlite IRA400J, IRA400T, IRA402J, IRA402BL, IRA404J, IRA458RF, IRA410J, IRA411, IRA478RF , IRA900J, IRA904, IRA910CT, IRA958 (manufactured by Dow Chemical Company) and the like.
- the functional group of the strongly basic anion exchange resin include a quaternary ammonium group.
- weakly basic anion exchange resins include Diaion WA10, WA20, WA21J, WA30 (Mitsubishi Chemical), Amberlite IRA67, IRA743, IRA96SB, XE583, XT6050RF (Dow Chemical). It is done.
- the functional group of the weakly basic anion exchange resin include a primary amino group, a secondary amino group, and a tertiary amino group.
- the anion exchange resin used in this step it is preferable to use a weakly basic anion exchange resin from the viewpoint of adsorptivity and desorption of chlorogenic acids.
- the anion exchange resin is preferably washed with water in advance to remove the raw material monomer of the adsorbent and impurities in the raw material monomer.
- the liquid obtained in step A may be passed through a column filled with an anion exchange resin.
- step A and step B may be performed simultaneously. That is, a mixture of a cation exchange resin and an anion exchange resin may be brought into contact with the chlorogenic acid-containing composition.
- the process A and the process B may be performed continuously. That is, the column treatment of the step B may be continuously performed without using the liquid obtained by the column treatment of the step A as a collective liquid to obtain a uniform composition.
- step A and step B may be performed continuously. That is, a solution obtained by passing a solvent through a column filled with coffee beans and extracting the solution is continuously brought into contact with a cation exchange resin and an anion exchange resin as it is without forming a uniform composition. Also good.
- the space velocity (SV) is preferably 0.1 [hr ⁇ 1 ] or more, more preferably 0.2 [hr ⁇ 1 ] or more, and 0.5 [hr ⁇ 1 ]. Further preferred.
- the space velocity is preferably 50 [hr ⁇ 1 ] or less, more preferably 10 [hr ⁇ 1 ] or less, further preferably 8 [hr ⁇ 1 ] or less, and further preferably 5 [hr ⁇ 1 ] or less.
- 0.1 to 50 [hr ⁇ 1 ] is preferable, 0.1 to 10 [hr ⁇ 1 ] is more preferable, and 0.2 to 8 [hr ⁇ 1 ] is more preferable.
- 0.5 to 5 [hr ⁇ 1 ] is more preferable.
- the amount of all chlorogenic acids can be adsorbed, but the liquid obtained in the step A is passed through the anion exchange resin at a rate of 1 [mL / mL] or more, and further 2 [mL / mL] or more. Further, it is preferable that the liquid is passed at 5 [mL / mL] or more, and the passing ratio is 240 [mL / mL] or less, further 30 [mL / mL] or less, further 25 [mL / mL] or less, and further 20 [ML / mL] or less is preferable.
- the specific flow rate is preferably 1 to 240 [mL / mL], more preferably 1 to 30 [mL / mL], still more preferably 2 to 25 [mL / mL], and 5 to 20 [mL / mL]. mL] is more preferable.
- the amount of chlorogenic acids can be adsorbed as much as possible, but 1 mass part or more of an aqueous solution in which the chlorogenic acids-containing composition obtained in Step A is dissolved with respect to 1 mass part of an anion exchange resin, and 2 It is preferable to make it contact 5 parts by mass or more, more preferably 5 parts by mass or more.
- the aqueous solution to be contacted is preferably 240 parts by mass or less, 30 parts by mass or less, further 25 parts by mass or less, and further 20 parts by mass or less with respect to 1 part by mass of the anion exchange resin.
- the aqueous solution is preferably brought into contact with 1 to 240 parts by mass, more preferably 1 to 30 parts by mass, and more preferably 2 to 25 parts by mass with respect to 1 part by mass of the anion exchange resin. Is more preferable, and 5 to 20 parts by mass is more preferable.
- space velocity (SV) 0.1 [hr ⁇ 1 ] or higher, preferably 0.2 [hr ⁇ 1 ] or higher, 10 [hr ⁇ 1 ] or lower, and further 5 [hr -1 ] It is preferable to pass under the following conditions. Specifically, it is preferable that the liquid is passed under conditions of 0.1 to 10 [hr ⁇ 1 ] and further 0.2 to 5 [hr ⁇ 1 ]. Further, the amount of water to be passed is preferably 1 part by mass or more, more preferably 30 parts by mass or less, and further preferably 15 parts by mass or less with respect to 1 part by mass of the anion exchange resin. Specifically, the amount of water is preferably 1 to 30 parts by mass, more preferably 1 to 15 parts by mass with respect to 1 part by mass of the anion exchange resin.
- Step C is a step of bringing the desorption liquid into contact with the anion exchange resin after Step B.
- the desorbing liquid used in Step C includes at least one selected from the group consisting of an aqueous alkali hydroxide solution such as an aqueous sodium hydroxide solution and an aqueous potassium hydroxide solution, and an aqueous alkali carbonate solution such as an aqueous sodium carbonate solution and an aqueous potassium carbonate solution. These can be used alone or in combination.
- an aqueous sodium hydroxide solution such as an aqueous sodium hydroxide solution and an aqueous potassium hydroxide solution
- an aqueous alkali carbonate solution such as an aqueous sodium carbonate solution and an aqueous potassium carbonate solution.
- it is preferably 10% by mass or less, further 1.0% by mass or less, further 0.8% by mass or less, and further preferably 0.5% by mass or less. Specifically, it is preferably 0.01 to 10% by mass, more preferably 0.01 to 1.0% by mass, further 0.08 to 0.8% by mass, and further 0.1 to 1.0% by mass. 0.5 mass% is preferable from the viewpoint of the yield and purity of chlorogenic acids.
- the space velocity (SV) is preferably 1 [hr ⁇ 1 ] or more, more preferably 2 [hr ⁇ 1 ] or more, and further 3 [hr ⁇ 1 ] or more. preferable.
- the space velocity is preferably 50 [hr ⁇ 1 ] or less, more preferably 20 [hr ⁇ 1 ] or less, further preferably 15 [hr ⁇ 1 ] or less, and further preferably 10 [hr ⁇ 1 ] or less.
- space velocity is preferably 1 to 50 [hr ⁇ 1 ], more preferably 1 to 20 [hr ⁇ 1 ], further 2 to 15 [hr ⁇ 1 ], and further 3 to 10 [hr ⁇ 1]. ] Is preferable.
- the desorbing liquid it is preferable to contact the desorbing liquid with 1 part by mass or more, 10 parts by mass or more, further 15 parts by mass or more, and further 20 parts by mass or more with respect to 1 part by mass of the anion exchange resin.
- the said desorption liquid made to contact is 100 mass parts or less with respect to 1 mass part of anion exchange resin, Furthermore, 50 mass parts or less, Furthermore, 45 mass parts or less, Furthermore, 40 mass parts or less are preferable.
- the desorbed liquid is preferably brought into contact with 1 to 100 parts by mass, more preferably 10 to 50 parts by mass, and more preferably 15 to 45 parts by mass with respect to 1 part by mass of the anion exchange resin. More preferably, it is more preferably 20 to 40 parts by mass.
- the purified chlorogenic acid composition of the present invention is obtained as a detachment liquid containing chlorogenic acids.
- the pH of the purified chlorogenic acid composition obtained in Step C may be adjusted.
- the pH adjustment method adjustment by acid, removal of alkali metal ions by electrodialysis, or removal of alkali metal ions by ion exchange resin can be used, and adjustment by cation exchange resin is preferable from the viewpoint of simplicity of the process.
- a cation exchange resin the same thing as the process A can be used.
- the pH after pH adjustment is preferably 2 or more, more preferably 7 or less, further 5 or less, and further 4 or less. Specifically, the pH is preferably 2 to 7, more preferably 2 to 5, and still more preferably 2 to 4.
- the refined chlorogenic acid composition obtained in Step C can further reduce the off-flavors, off-flavors, and impurities derived from coffee beans by activated carbon treatment.
- the activated carbon to be used is not particularly limited as long as it can be used at an industrial level.
- the pore diameter is preferably 50 to 1000 nm (nanometer), more preferably 100 to 900 nm (nanometer), and further preferably 200 to 800 nm (nanometer).
- the pore volume is preferably 0.01 to 2 mL / g, more preferably 0.1 to 1.5 mL / g, and further preferably 0.5 to 1.2 mL / g.
- the specific surface area is preferably 800 to 2000 m 2 / g, more preferably 900 to 1600 m 2 / g, and even more preferably 1000 to 1500 m 2 / g.
- the purified chlorogenic acid composition obtained by the present invention has a characteristic that the protein and citric acid content with respect to chlorogenic acids are in a specific range. Due to such characteristics, the purified chlorogenic acid composition of the present invention has good flavor and is useful for food and drink such as beverages. That is, the purified chlorogenic acid composition obtained by the present invention has a protein / chlorogenic acid ratio (mass ratio) of 0.1 or less, a citric acid / chlorogenic acid ratio (mass ratio) of 0.05 or more, and a solid content. Is a purified chlorogenic acid composition containing 60% by mass or more of chlorogenic acids. A preferable range of the protein / chlorogenic acid ratio is 0.1 or less, and a more preferable range is 0.05 or less.
- the protein / chlorogenic acid ratio is preferably 0 or more, more preferably 0.01 or more. Moreover, the preferable range of a citric acid / chlorogenic acid ratio is 0.05 or more, and a more preferable range is 0.1 or more. When the protein / chlorogenic acid ratio and the citric acid / chlorogenic acid ratio are in the above ranges, the flavor is particularly good.
- the citric acid / chlorogenic acid ratio is preferably 0.5 or less, more preferably 0.3 or less, and further preferably 0.2 or less.
- sucrose / chlorogenic acid ratio of the purified chlorogenic acid-containing composition obtained by the present invention is preferably 0.4 or less, more preferably 0.1 or less, and further preferably 0.01 or less.
- the lower limit of the sucrose / chlorogenic acid ratio is preferably 0.
- the malic acid / chlorogenic acid ratio (mass ratio) of the purified chlorogenic acid-containing composition obtained by the present invention is preferably 0.02 or more, more preferably 0.025 or more, and further preferably 0.03 or more.
- the malic acid / chlorogenic acid ratio is preferably 0.3 or less, more preferably 0.2 or less, and further preferably 0.1 or less.
- the chlorogenic acid content in the solid content of the purified chlorogenic acid-containing composition obtained by the present invention is preferably 60% by mass or more, more preferably 60 to 90% by mass, further preferably 60 to 85% by mass, 60 to 80% by mass is preferable.
- the caffeine / chlorogenic acid ratio (mass ratio) of the purified chlorogenic acid composition obtained according to the present invention is 0.04 or less, preferably 0.035 or less.
- the lower limit of the caffeine / chlorogenic acid ratio is preferably 0.
- Step A in which a chlorogenic acid-containing composition is brought into contact with a cation exchange resin A method for producing a purified chlorogenic acid composition, comprising: a step B in which the liquid obtained in step A is brought into contact with an anion exchange resin; and a step C in which a desorbing liquid is brought into contact with the anion exchange resin after step B.
- the chlorogenic acid content in the raw material chlorogenic acid-containing composition is 0.1% by mass or more, preferably 0.5% by mass or more, more preferably 1% by mass or more, preferably 20% by mass or less, preferably The production method of ⁇ 1>, which is 10% by mass or less, more preferably 5% by mass or less.
- the method according to ⁇ 1> or ⁇ 2>, wherein the raw material chlorogenic acid-containing composition is a coffee bean extract.
- the cation exchange resin in step A is a proton type cation exchange resin.
- the space velocity (SV) is 0.1 [hr ⁇ 1 ] or more, preferably 0.2 [hr ⁇ 1 ] or more, as the condition for bringing the chlorogenic acid-containing composition into contact with the cation exchange resin. More preferably 0.5 [hr ⁇ 1 ] or more, 50 [hr ⁇ 1 ] or less, preferably 10 [hr ⁇ 1 ] or less, preferably 8 [hr ⁇ 1 ] or less, and more preferably 5 [hr -1 ] or less, more preferably 0.1 to 50 [hr -1 ], still more preferably 0.1 to 10 [hr -1 ], still more preferably 0.2 to 8 [hr -1 ].
- ⁇ 6> 0.5 parts by mass or more, preferably 1 part by mass or more, more preferably 5 parts by mass or more, of an aqueous solution in which the chlorogenic acid-containing composition is dissolved in 1 part by mass of the cation exchange resin in Step A
- the amount is preferably 10 parts by mass or more, 240 parts by mass or less, preferably 60 parts by mass or less, more preferably 45 parts by mass or less, still more preferably 40 parts by mass or less, still more preferably 0.5 to 240 parts by mass, and still more preferably.
- the pH of the liquid obtained in step A is less than 4, preferably 3.5 or less, more preferably 3 or less, 0.5 or more, preferably 1 or more, and more preferably 0.5.
- ⁇ 8> The method according to ⁇ 1> to ⁇ 7>, wherein the anion exchange resin used in Step B is a weakly basic anion exchange resin.
- the space velocity (SV) is 0.1 [hr ⁇ 1 ] or more, preferably 0.2 [hr ⁇ 1 ] or more, more preferably 0.5, as the condition for contacting with the anion exchange resin.
- the liquid obtained in Step A with respect to the anion exchange resin is passed through at a multiple of 1 [mL / mL], preferably 2 [mL / mL] or more, more preferably 5 [mL / mL] or more.
- 240 [mL / mL] or less preferably 30 [mL / mL] or less, more preferably 25 [mL / mL] or less, more preferably 20 [mL / mL] or less, more preferably 1 to 240 [mL / ML], more preferably 1 to 30 [mL / mL], more preferably 2 to 25 [mL / mL], and still more preferably 5 to 20 [mL / mL] ⁇ 1> to ⁇ 9> Manufacturing method.
- the aqueous solution in which the chlorogenic acid-containing composition is dissolved with respect to 1 part by mass of the anion exchange resin is 1 part by mass or more, preferably 2 parts by mass or more, more preferably 5 parts by mass or more, 240 parts by mass or less, preferably 30 parts by mass or less, more preferably 25 parts by mass or less, further preferably 20 parts by mass or less, more preferably 1 to 240 parts by mass, still more preferably 1 to 30 parts by mass, further preferably 2
- the desorbing solution used in Step C is an alkaline aqueous solution selected from an alkaline hydroxide aqueous solution and an alkaline carbonate aqueous solution, preferably an aqueous sodium hydroxide solution.
- the concentration of the alkaline aqueous solution used in Step C is 0.01% by mass or more, preferably 0.08% by mass or more, more preferably 0.1% by mass or more, and 10% by mass or less, preferably 1.
- the space velocity (SV) is 1 [hr ⁇ 1 ] or more, preferably 2 [hr ⁇ 1 ] or more, more preferably 3 [hr].
- the desorbed liquid is 1 part by mass or more, preferably 10 parts by mass or more, more preferably 15 parts by mass or more, and further preferably 20 parts by mass or more with respect to 1 part by mass of the anion exchange resin.
- the pH of the purified chlorogenic acid composition is 2 or more, 7 or less, preferably 5 or less, more preferably 4 or less, more preferably 2 to 7, still more preferably 2 to 5,
- a purified chlorogenic acid composition having a protein / chlorogenic acid ratio of 0.1 or less, a citric acid / chlorogenic acid ratio of 0.05 or more, and a solid content of 60% by mass or more of chlorogenic acids.
- composition according to ⁇ 20> wherein the protein / chlorogenic acid ratio is 0.1 or less, preferably 0.05 or less, and 0 or more, preferably 0.01 or more.
- Citric acid / chlorogenic acid ratio is 0.05 or more, preferably 0.1 or more, 0.5 or less, preferably 0.3 or less, more preferably 0.2 or less ⁇ 20 > Or ⁇ 21>.
- ⁇ 23> The composition according to ⁇ 21> to ⁇ 22>, wherein the ratio of sucrose / chlorogenic acids is 0.4 or less, preferably 0.1 or less, more preferably 0.01 or less.
- Malic acid / chlorogenic acid ratio is 0.02 or more, preferably 0.025 or more, more preferably 0.03 or more, 0.3 or less, preferably 0.2 or less, more preferably 0.1.
- ⁇ 25> The content of chlorogenic acids in the solid content of the purified chlorogenic acid-containing composition is 60% by mass or more, preferably 60 to 90% by mass, more preferably 60 to 85% by mass, and further preferably 60 to 80% by mass.
- ⁇ 26> The composition according to ⁇ 21> to ⁇ 25>, wherein the ratio of caffeine / chlorogenic acids is 0.04 or less, preferably 0.03 or less.
- Caffeine retention time 18.8min Caffeine was quantified from the area percentage determined here using the reagent caffeine as a standard substance.
- yield of chlorogenic acid composition The yield of the chlorogenic acid composition is determined by dividing the amount of chlorogenic acid contained in the chlorogenic acid composition obtained in each Example and Comparative Example by the amount of chlorogenic acid contained in the raw material chlorogenic acid-containing composition. It was.
- Caffeine content is determined by dividing the amount of caffeine contained in the chlorogenic acid composition obtained in each example and comparative example by the total mass of the chlorogenic acid composition obtained in each example and comparative example. Asked.
- Chlorogenic acid content The chlorogenic acid content is determined by dividing the amount of chlorogenic acids contained in the chlorogenic acid compositions obtained in each Example and Comparative Example by the total mass of the chlorogenic acid compositions obtained in each Example and Comparative Example. Asked.
- the ratio of caffeine / chlorogenic acids refers to the amount of caffeine contained in the chlorogenic acids composition obtained in each Example and Comparative Example, and the amount of chlorogenic acids contained in the chlorogenic acid composition obtained in each Example and Comparative Example. It was calculated by dividing by.
- Solid content refers to a residue obtained by drying a sample for 3 hours with an electric thermostatic dryer at 105 ° C. to remove volatile substances.
- the amount of protein was calculated by multiplying the value obtained by subtracting the amount of nitrogen derived from caffeine from the total amount of nitrogen by 6.25.
- the total amount of nitrogen analysis was requested from the Japan Food Analysis Center.
- Total nitrogen (g / 100 g) ⁇ [(V ⁇ B) ⁇ F ⁇ 0.0014] / S ⁇ ⁇ 100 V: Final test titration (mL) B: Blank test titration (mL) F: Potency of 0.05 mol / L sulfuric acid standard solution 0.0014: Nitrogen amount per 1 mL of 0.05 mol / L sulfuric acid standard solution (g) S: Sampling amount (g)
- Preparation Example 1 Robusta coffee beans (L value 65) extracted with hot water and dried to obtain a chlorogenic acid content of 40.8% by mass, a caffeine content of 9.8% by mass, and a sucrose content of 19.7 % By weight, protein content 8.7% by weight, citric acid content 3.9% by weight, malic acid content 1.1% by weight, quinic acid content 1.2% by weight, and the ratio of caffeine content / chlorogenic acids content is 0.00. 24, a powdery chlorogenic acid-containing composition was used as a raw material. The raw material chlorogenic acid-containing composition was dissolved in ion-exchanged water so that the chlorogenic acid content was 1.2% by mass to prepare “Solution A of chlorogenic acid-containing composition”. The pH of this solution was 5.7.
- Preparation Example 2 Robusta coffee beans (L value 65) extracted with hot water and dried to obtain a chlorogenic acid content of 40.8% by mass, a caffeine content of 9.8% by mass, and a sucrose content of 19.7 % By weight, protein content 8.7% by weight, citric acid content 3.9% by weight, malic acid content 1.1% by weight, quinic acid content 1.2% by weight, and the ratio of caffeine content / chlorogenic acids content is 0.00. 24, a powdery chlorogenic acid-containing composition was used as a raw material. The raw material chlorogenic acid-containing composition was dissolved in ion-exchanged water so that the chlorogenic acid content was 3.6% by mass to prepare “Solution B of chlorogenic acid-containing composition”. The pH of this solution was 5.6.
- Preparation Example 3 Robusta roasted coffee beans (L value 50) extracted with hot water and dried, chlorogen content 34.4% by mass, caffeine content 9.8% by mass, caffeine content / chlorogenic acids A powdery chlorogenic acid-containing composition having a content ratio of 0.28 was used as a raw material. The raw material chlorogenic acid-containing composition was dissolved in ion-exchanged water so that the chlorogenic acid content was 1.2% by mass to prepare “Solution C of chlorogenic acid-containing composition”. The pH of this solution was 5.5.
- Adjustment example 4 Robusta coffee beans (L value 65) obtained by extraction with hot water, chlorogenic acid content 0.75% by mass, caffeine content 0.18% by mass, ratio of caffeine content / chlorogenic acid content
- a chlorogenic acid-containing composition having a solution of 0.24 was used as a raw material. This solution was designated as “Solution D of a chlorogenic acid-containing composition”. The pH of this solution was 5.6.
- Example 1 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 20 parts by mass was passed. The pH of the solution after passing through was 2.3. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 2 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 27 parts by mass was passed. The pH of the solution after passing through was 3.0. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name: IRA67, manufactured by Organo Corporation) at a flow rate of SV1 [hr ⁇ 1 ], 15 parts by mass with respect to 1 part by mass of the resin. I let you. Next, 2 parts by mass of water was passed through 1 part by mass of the resin at a flow rate of SV1 [hr ⁇ 1 ].
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 3 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 25 parts by mass was passed. The pH of the solution after passing through was 2.7. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 4 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 30 parts by mass was passed. The pH of the solution after passing through was 3.3. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 5 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 20 parts by mass was passed. The pH of the solution after passing through was 2.3. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 10 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 6 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 20 parts by mass was passed. The pH of the solution after passing through was 2.3. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name: IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] and 20 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 7 The solution A obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a weakly acidic cation exchange resin (trade name WK40L, manufactured by Mitsubishi Chemical Corporation). 20 parts by mass was passed. The pH of the solution after passing through was 3.3. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a weakly basic anion exchange resin trade name IRA67, manufactured by Dow Chemical Co., Ltd.
- Example 8 Solution B obtained in Preparation Example 2 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 6.8 parts by mass were passed. The pH of the solution after passing was 2.0. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] in an amount of 5 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 9 Solution C obtained in Preparation Example 3 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). 20 parts by mass was passed. The pH of the solution after passing was 2.0. The liquid was passed through a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Let it liquid.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Example 10 Solution D obtained in Preparation Example 4 was added to 1 part by mass of resin at a flow rate of SV1.6 [hr ⁇ 1 ] in a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation). On the other hand, 32 parts by mass was passed. The pH of the solution after passing through was 2.4. The liquid was added to a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Dow Chemical Co., Ltd.) at a flow rate of SV1.6 [hr ⁇ 1 ], and 24 parts by mass with respect to 1 part by mass of the resin. The liquid was allowed to pass through.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- Comparative Example 1 The solution obtained in Preparation Example 1 was added to 1 part by mass of resin at a flow rate of SV1 [hr ⁇ 1 ] in a column packed with a weakly basic anion exchange resin (trade name IRA67, manufactured by Organo Corporation). On the other hand, 15 parts by mass was passed. Next, 2 parts by mass of water was passed through 1 part by mass of the resin at a flow rate of SV1 [hr ⁇ 1 ]. Thereafter, 25 parts by mass of an alkaline solution (NaOH: 0.5% by mass solution) was passed through the column with SV5 [hr ⁇ 1 ] with respect to 1 part by mass of the resin.
- a weakly basic anion exchange resin trade name IRA67, manufactured by Organo Corporation
- the solution was passed through a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation) to adjust the pH to 3.1 to obtain a “chlorogenic acid composition”.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- the strong acidic cation exchange resin used here was 1.2 mass parts with respect to the weak basic anion exchange resin.
- evaluation was performed under the conditions of [Evaluation Method 1].
- the liquid was passed through a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation) to adjust the pH to 3.2 to obtain a “chlorogenic acid composition”.
- a strongly acidic cation exchange resin trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation
- the strong acidic cation exchange resin used here was 1.2 mass parts with respect to the weak basic anion exchange resin.
- evaluation was performed under the conditions of [Evaluation Method 1].
- SK1BH strongly acidic cation exchange resin
- Comparative Example 4 The solution obtained in Preparation Example 1 was added to a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation) at a flow rate of SV1 [hr ⁇ 1 ] with respect to 1 part by mass of the resin. Part by mass was passed. The pH of the solution after passing through was 2.3. The solution was passed through a column packed with a porous resin (trade name Sepabead SP207, manufactured by Mitsubishi Chemical Corporation) at a flow rate of SV1 [hr ⁇ 1 ] at 15 parts by mass with respect to 1 part by mass of the resin. Next, 2 parts by mass of water was passed through 1 part by mass of the resin at a flow rate of SV1 [hr ⁇ 1 ].
- SK1BH strongly acidic cation exchange resin
- the porous resin was washed with ethanol and then replaced with an aqueous system. Thereafter, 25 parts by mass of an alkaline solution (NaOH: 0.5% by mass solution) was passed through the column with SV5 [hr ⁇ 1 ] with respect to 1 part by mass of the resin. The solution was passed through a column packed with a strongly acidic cation exchange resin (trade name: SK1BH, manufactured by Mitsubishi Chemical Corporation) to adjust the pH to 3.1 to obtain a “chlorogenic acid composition”. In addition, the strong acidic cation exchange resin used here was 1.2 mass parts with respect to the porous resin. Using the obtained “chlorogenic acid composition”, evaluation was performed under the conditions of [Evaluation Method 1]. These results are shown in Table 2.
- the purified chlorogenic acid compositions of the present invention all had reduced protein, had a certain amount of citric acid, the purity of the chlorogenic acid composition was high, and the flavor was good.
- pH adjustment was not performed before making it contact with an anion exchange resin, the yield, content rate, and purity of the chlorogenic acid composition were low, and the flavor was poor (Comparative Example 1).
- pH was adjusted by adding an acid before contacting with an anion exchange resin, the purity of chlorogenic acids was low and the flavor was poor (Comparative Example 2).
- caffeine could not be reduced, the purity of chlorogenic acids was low, and the flavor was poor (Comparative Example 3).
- the porous resin treatment was performed after the cation exchange resin treatment, the yield of chlorogenic acids was low (Comparative Example 4).
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Abstract
Description
生コーヒー豆からクロロゲン酸類を抽出する方法において、生コーヒー豆の水性溶媒抽出物を強酸性陽イオン交換樹脂と接触処理することでカフェインを除去する方法が知られている(特許文献2)。
また、クロロゲン酸類を高濃度で含有し、カフェインを低減させたクロロゲン酸類組成物を得る方法として、コーヒー豆抽出物をスチレン-ジビニルベンゼン系合成吸着剤等の疎水性吸着剤に接触させ、クロロゲン酸類を吸着脱離する方法が知られている(特許文献3、4)。
また、本発明は、タンパク質/クロロゲン酸類比率(質量比)が0.1以下、クエン酸/クロロゲン酸類比率(質量比)が0.05以上、かつ固形分中にクロロゲン酸類を60質量%以上含有する精製クロロゲン酸類組成物を提供するものである。
従って本発明の課題は、クロロゲン酸類含有組成物からクロロゲン酸類を高純度に、かつ効率良く回収でき、カフェインが低減された風味の良い精製クロロゲン酸類組成物の製造方法を提供することにある。
本発明に係る工程Aは、クロロゲン酸類含有組成物を陽イオン交換樹脂に接触させる工程である。
本工程で用いる陽イオン交換樹脂としては、不純物の除去性の点から、プロトン形陽イオン交換樹脂を用いるのが好ましい。プロトン形陽イオン交換樹脂としては、Na形の陽イオン交換樹脂をH形に置換した陽イオン交換樹脂が挙げられ、具体的にはSK1BHが挙げられる。
本発明に係る工程Bは、工程Aにより得られた液を陰イオン交換樹脂に接触させる工程である。
本工程で用いる陰イオン交換樹脂としては、クロロゲン酸類の吸着性、脱離性の点から、弱塩基性陰イオン交換樹脂を用いるのが好ましい。
本発明に係る工程Cは、工程B後の陰イオン交換樹脂に脱離液を接触させる工程である。
本工程で用いる脱離液としては、クロロゲン酸類の収率の点で、水酸化ナトリウム水溶液を用いるのが好ましい。
アルカリ水溶液の濃度は0.01質量%以上、さらに0.08質量%以上、さらに0.1質量%以上であるのがクロロゲン酸類の収率の点から好ましい。また10質量%以下、さらに1.0質量%以下、さらに0.8質量%以下、さらに0.5質量%以下であることが好ましい。具体的には、0.01~10質量%であることが好ましく、更に0.01~1.0質量%であることが好ましく、更に0.08~0.8質量%、更に0.1~0.5質量%であることが、クロロゲン酸類の収率と純度の点から好ましい。
製品の色調を改善する点、活性炭の使用量を低減する点、回収率を向上する点から、活性炭としては以下のものが好ましい。細孔径は50~1000nm(ナノメーター)、さらに、100~900nm(ナノメーター)、さらに200~800nm(ナノメーター)のものが好ましい。細孔容積は0.01~2mL/g、さらに0.1~1.5mL/g、さらに0.5~1.2mL/gのものが好ましい。また、比表面積は800~2000m2/g、さらに900~1600m2/g、さらに1000~1500m2/gの範囲のものが好ましい。なお、これらの物性値は窒素吸着法に基づく値である。
すなわち、本発明により得られる精製クロロゲン酸類組成物は、タンパク質/クロロゲン酸類比率(質量比)が0.1以下、かつクエン酸/クロロゲン酸類比率(質量比)が0.05以上、かつ固形分中にクロロゲン酸類を60質量%以上含有する精製クロロゲン酸類組成物である。
タンパク質/クロロゲン酸類比率の好ましい範囲は0.1以下であり、より好ましい範囲は0.05以下である。タンパク質/クロロゲン酸類比率は、0以上、さらに0.01以上が好ましい。またクエン酸/クロロゲン酸類比率の好ましい範囲は0.05以上であり、より好ましい範囲は0.1以上である。タンパク質/クロロゲン酸類比率及びクエン酸/クロロゲン酸類比率が上記範囲にあることにより、特に風味が良好になっている。クエン酸/クロロゲン酸類比率は、0.5以下、さらに0.3以下、さらに0.2以下が好ましい。
さらに、本発明により得られる精製クロロゲン酸類含有組成物のリンゴ酸/クロロゲン酸類比率(質量比)は0.02以上であるのが好ましく、さらに0.025以上が好ましく、さらに0.03以上が好ましい。リンゴ酸/クロロゲン酸類比率は、0.3以下、さらに0.2以下、さらに0.1以下が好ましい。
工程Aにより得られた液を陰イオン交換樹脂に接触させる工程B、及び
工程B後の陰イオン交換樹脂に脱離液を接触させる工程Cを有する、精製クロロゲン酸類組成物の製造法。
<3>原料クロロゲン酸類含有組成物が、コーヒー豆抽出物である<1>又は<2>の製造法。
<4>工程Aの陽イオン交換樹脂が、プロトン形陽イオン交換樹脂である<1>~<3>の製造法。
<5>工程Aで、陽イオン交換樹脂にクロロゲン酸類含有組成物を接触させる条件が、空間速度(SV)は0.1[hr-1]以上、好ましくは0.2[hr-1]以上、より好ましくは0.5[hr-1]以上であり、50[hr-1]以下、好ましくは10[hr-1]以下、好ましくは8[hr-1]以下、さらに好ましくは5[hr-1]以下であり、さらに好ましくは、0.1~50[hr-1]、さらに好ましくは、0.1~10[hr-1]、さらに好ましくは0.2~8[hr-1]、さらに好ましくは0.5~5[hr-1]である<1>~<4>の製造法。
<6>工程Aにおいて陽イオン交換樹脂1質量部に対してクロロゲン酸類含有組成物を溶解させた水溶液を0.5質量部以上、好ましくは1質量部以上、より好ましくは5質量部以上、さらに好ましくは10質量部以上であり、240質量部以下、好ましくは60質量部以下、より好ましくは45質量部以下、さらに好ましくは40質量部以下、さらに好ましくは0.5~240質量部、さらに好ましくは1~60質量部、さらに好ましくは5~45質量部、さらに好ましくは10~40質量部接触させる<1>~<5>の製造法。
<7>工程Aにより得られた液のpHが、4未満、好ましくは3.5以下、より好ましくは3以下であり、0.5以上、好ましくは1以上であり、さらに好ましくは0.5~3.5、さらに好ましくは1~3である<1>~<6>の製造法。
<8>工程Bで用いる陰イオン交換樹脂が、弱塩基性陰イオン交換樹脂である<1>~<7>の製造法。
<9>工程Bにおいて陰イオン交換樹脂に接触させる条件が、空間速度(SV)は0.1[hr-1]以上、好ましくは0.2[hr-1]以上、より好ましくは0.5[hr-1]以上であり、50[hr-1]以下、好ましくは10[hr-1]以下、より好ましくは8[hr-1]以下、さらに好ましくは5[hr-1]以下であり、さらに好ましくは0.1~50[hr-1]、さらに好ましくは0.1~10[hr-1]、さらに好ましくは0.2~8[hr-1]、さらに好ましくは0.5~5[hr-1]である<1>~<8>の製造法。
<10>陰イオン交換樹脂に対して工程Aにより得られた液を通液倍数1〔mL/mL〕以上、好ましくは2〔mL/mL〕以上、より好ましくは5〔mL/mL〕以上であり、240〔mL/mL〕以下、好ましくは30〔mL/mL〕以下、より好ましくは25〔mL/mL〕以下、さらに好ましくは20〔mL/mL〕以下、さらに好ましくは1~240〔mL/mL〕、さらに好ましくは1~30〔mL/mL〕、さらに好ましくは2~25〔mL/mL〕、さらに好ましくは5~20〔mL/mL〕で通液する<1>~<9>の製造法。
<11>工程Bにおいて、陰イオン交換樹脂1質量部に対してクロロゲン酸類含有組成物を溶解させた水溶液を1質量部以上、好ましくは2質量部以上、より好ましくは5質量部以上であり、240質量部以下、好ましくは30質量部以下、より好ましくは25質量部以下、さらに好ましくは20質量部以下、さらに好ましくは1~240質量部、さらに好ましくは1~30質量部、さらに好ましくは2~25質量部、さらに好ましくは5~20質量部接触させる<1>~<10>の製造法。
<12>工程Aにより得られた液を陰イオン交換樹脂に接触させた後(工程Bと工程Cの間)に、陰イオン交換樹脂を水で洗浄する<1>~<11>の製造法。
<13>水による洗浄条件が、空間速度(SV)=0.1[hr-1]以上、好ましくは0.2[hr-1]以上であり、10[hr-1]以下、好ましくは5[hr-1]、さらに好ましくは0.1~10[hr-1]、さらに好ましくは0.2~5[hr-1]の通液条件で、陰イオン交換樹脂量1質量部に対して1質量部以上で、30質量部以下、好ましくは15質量部以下、さらに好ましくは1~30質量部、さらに好ましくは1~15質量部の水を通液する<12>の製造法。
<14>工程Cに用いる脱離液が、水酸化アルカリ水溶液及び炭酸アルカリ水溶液から選ばれるアルカリ水溶液、好ましくは水酸化ナトリウム水溶液である<1>~<13>の製造法。
<15>工程Cに用いるアルカリ水溶液の濃度が、0.01質量%以上、好ましくは0.08質量%以上、より好ましくは0.1質量%以上であり、10質量%以下、好ましくは1.0質量%以下、より好ましくは0.8質量%以下、さらに好ましくは0.5質量%以下であり、さらに好ましくは0.01~10質量%、さらに好ましくは0.01~1.0質量%、さらに好ましくは0.08~0.8質量%、さらに好ましくは0.1~0.5質量%である<14>の製造法。
<16>工程Cにおいて、陰イオン交換樹脂に離脱液を接触させる条件が、空間速度(SV)は1[hr-1]以上、好ましくは2[hr-1]以上、より好ましくは3[hr-1]以上であり、50[hr-1]以下、好ましくは20[hr-1]以下、より好ましくは15[hr-1]以下、さらに好ましくは10[hr-1]以下であり、さらに好ましくは、1~50[hr-1]、さらに好ましくは、1~20[hr-1]、さらに好ましくは2~15[hr-1]、さらに好ましくは3~10[hr-1]である<1>~<15>の製造法。
<17>工程Cにおいて陰イオン交換樹脂1質量部に対して脱離液を1質量部以上、好ましくは10質量部以上、より好ましくは15質量部以上、さらに好ましくは20質量部以上であり、100質量部以下、好ましくは50質量部以下、より好ましくは45質量部以下、さらに好ましくは40質量部以下であり、さらに好ましくは1~100質量部、さらに好ましくは10~50質量部、さらに好ましくは15~45質量部、さらに好ましくは20~40質量部接触させる<1>~<16>の製造法。
<18>工程Cの後に精製クロロゲン酸類組成物のpHを、2以上、7以下、好ましくは5以下、より好ましくは4以下であり、さらに好ましくは2~7、さらに好ましくは2~5、さらに好ましくは2~4に調整する<1>~<17>の製造法。
<19>工程Cの後記精製クロロゲン酸類組成物を、さらに活性炭処理する<1>~<18>の製造法。
<20>タンパク質/クロロゲン酸類比率が0.1以下、クエン酸/クロロゲン酸類比率が0.05以上、かつ固形分中にクロロゲン酸類を60質量%以上含有する精製クロロゲン酸類組成物。
<21>タンパク質/クロロゲン酸類比率が、0.1以下であり、好ましくは0.05以下であり、0以上、好ましくは0.01以上である<20>の組成物。
<22>クエン酸/クロロゲン酸類比率が、0.05以上であり、好ましくは0.1以上であり、0.5以下、好ましくは0.3以下、より好ましくは0.2以下である<20>又は<21>の組成物。
<23>ショ糖/クロロゲン酸類比率が、0.4以下、好ましくは0.1以下、より好ましくは0.01以下である<21>~<22>の組成物。
<24>リンゴ酸/クロロゲン酸類比率が0.02以上、好ましくは0.025以上、より好ましくは0.03以上であり、0.3以下、好ましくは0.2以下、より好ましくは0.1以下である<20>~<23>の組成物。
<25>精製クロロゲン酸類含有組成物の固形分中のクロロゲン酸類含有が、60質量%以上、好ましくは60~90質量%、より好ましくは60~85質量%、さらに好ましくは60~80質量%である<21>~<24>の組成物。
<26>カフェイン/クロロゲン酸類比率が0.04以下、好ましくは0.03以下である<21>~<25>の組成物。
(1)風味(雑味)の評価
各実施例、比較例で得られたクロロゲン酸類組成物を、蒸留水でクロロゲン酸濃度が0.6質量%となるように希釈し、5名の専門パネラーが試飲して下記の基準にて官能評価を行った。なお、表1にはその平均評価結果を示す。ここで、「雑味」とは、苦味、渋味等の雑味をいう。
4:雑味がかなり少ない
3:雑味が少ない
2:雑味がある
1:雑味が多い
各実施例、比較例で得られたクロロゲン酸類組成物を、蒸留水でクロロゲン酸濃度が0.6質量%となるように希釈し、5名の専門パネラーが試飲して下記の基準にて官能評価を行った。なお、表1にはその平均評価結果を示す。ここで、「さわやかな酸味」とは、収斂味や舌のしびれる刺激のない、すっきりとした酸味をいう。
4:さわやかな酸味が多い
3:さわやかな酸味がある
2:さわやかな酸味が少ない
1:さわやかな酸味がかなり少ない
(分析機器)
HPLC(日立製作所(株)製)を使用した。装置の構成ユニットの型番は次の通り。
送液ユニット(デガッサ内蔵):L-2130、
オートサンプラ(クーラー付):L-2200、
カラムオーブン:L-2300、
分離カラム:Cadenza CD-C18、Size:4.6mm i.d.×150mm、3μm(インタクト株式会社)
検出器(紫外可視吸光光度計):L-2420
サンプル注入量:10μL、
流量:1.0mL/min、
紫外線吸光光度計検出波長:325nm(クロロゲン酸類)、270nm(カフェイン)、
溶離液A:0.05mol/L酢酸、0.01mol/L酢酸ナトリウム、及び0.1mmol/L HEDPO(1-ヒドロキシエタン-1,1-ジホスホン酸)を含有する5%アセトニトリル、
溶離液B:アセトニトリル
3-カフェオイルキナ酸(3-CQA):5.2min、
5-カフェオイルキナ酸(5-CQA):8.7min、
4-カフェオイルキナ酸(4-CQA):11.2min、
3-フェルラキナ酸(3-FQA):12.6min、
5-フェルラキナ酸(5-FQA):19.1min、
4-フェルラキナ酸(4-FQA):20.9min、
3,5-ジカフェオイルキナ酸(3,5-diCQA):37.0min、
3,4-ジカフェオイルキナ酸(3,4-diCQA):37.5min、
4,5-ジカフェオイルキナ酸(4,5-diCQA):44.8min
ここで求めた面積百分率から5-CQAを標準物質とし、クロロゲン酸類を定量した。
18.8min
ここで求めた面積百分率から試薬カフェインを標準物質とし、カフェインを定量した。
クロロゲン酸類組成物の収率は、各実施例、比較例で得られたクロロゲン酸類組成物に含まれるクロロゲン酸類量を、原料のクロロゲン酸類含有組成物に含まれるクロロゲン酸類量で除することにより求めた。
カフェイン含有率は、各実施例、比較例で得られたクロロゲン酸類組成物に含まれるカフェイン量を、各実施例、比較例で得られたクロロゲン酸類組成物の全質量で除することにより求めた。
クロロゲン酸類含有率は、各実施例、比較例で得られたクロロゲン酸類組成物に含まれるクロロゲン酸類量を、各実施例、比較例で得られたクロロゲン酸類組成物の全質量で除することにより求めた。
カフェイン/クロロゲン酸類比は、各実施例、比較例で得られたクロロゲン酸類組成物に含まれるカフェイン量を、各実施例、比較例で得られたクロロゲン酸類組成物に含まれるクロロゲン酸類量で除することにより求めた。
クロロゲン酸類の純度は、クロロゲン酸類組成物の固形分中に含まれるクロロゲン酸類質量を、クロロゲン酸類組成物の固形分質量で除することにより求めた。
ここで、本明細書において「固形分」とは、試料を105℃の電気恒温乾燥機で3時間乾燥して揮発物質を除いた残分をいう。
タンパク質量は、全窒素量からカフェイン由来の窒素量を差し引いた値に6.25を乗じて算出した。全窒素量分析は、日本食品分析センターに依頼した。
試料を採取し、分解促進剤(硫酸銅:硫酸カリウム=1:9)10g、濃硫酸15mLを添加後、1時間加熱分解した後放冷した。次に、イオン交換水を添加し、水酸化ナトリウム溶液を加え過剰アルカリ下で過熱気蒸留した。その後、ブロムクレゾールグリーン・メチルレッド溶液を指示薬として留液を0.05mol/L硫酸標準溶液VmLで滴定した。
次式により全窒素量を算出した。
全窒素(g/100g)={〔(V-B)×F×0.0014〕/S}×100
V:本試験滴定量(mL)
B:空試験滴定量(mL)
F:0.05mol/L硫酸標準溶液の力価
0.0014:0.05mol/L硫酸標準溶液1mLに対する窒素量(g)
S:試料採取量(g)
試料と5%過塩素酸を混合後、イオン交換水にてメスアップした後、希釈、濾過後、高速液体クロマトグラフにて分析した。
(分析機器)
機種:LC-20AD(株式会社島津製作所製)
検出器:紫外可視吸光光度計 SPD-20AV(株式会社島津製作所製)
カラム:Gelpack GL-C610H-S×2 φ7.8mm×300mm(日立化成工業株式会社製)
カラム温度:40℃
移動相:3mmol/L過塩素酸
反応液:0.2mmol/Lブロムチモールブルー含有15mmol/Lりん酸水素二ナトリウム溶液
流量:移動相0.5mL/min、反応液0.6mL/min
測定波長:445nm
試料を中和した後、30分超音波抽出した。次に、イオン交換水にてメスアップした後、精製処理、濾過後、高速液体クロマトグラフにて分析した。
(分析機器)
機種:LC-10ADvp(株式会社島津製作所製)
検出器:示差屈折計 RID-10A(株式会社島津製作所製)
カラム:Shodex Asahipak NH2P-50 4E φ4.6mm×250mm(昭和電工株式会社製)
カラム温度:室温
移動相:アセトニトリル:水=81:19
流量:1mL/min
注入量:20μL
ロブスタ種のコーヒー生豆(L値65)を熱水にて抽出し、乾燥して得られた、クロロゲン酸類含量40.8質量%、カフェイン含量9.8質量%、ショ糖含量19.7質量%、タンパク質含量8.7質量%、クエン酸含量3.9質量%、リンゴ酸含量1.1質量%、キナ酸含量1.2質量%、カフェイン含量/クロロゲン酸類含量の比が0.24である、粉末状のクロロゲン酸類含有組成物を原料として用いた。
原料クロロゲン酸類含有組成物をクロロゲン酸類含有量が1.2質量%となるようにイオン交換水に溶解させ、「クロロゲン酸類含有組成物の溶液A」を調製した。この溶液のpHは5.7であった。
ロブスタ種のコーヒー生豆(L値65)を熱水にて抽出し、乾燥して得られた、クロロゲン酸類含量40.8質量%、カフェイン含量9.8質量%、ショ糖含量19.7質量%、タンパク質含量8.7質量%、クエン酸含量3.9質量%、リンゴ酸含量1.1質量%、キナ酸含量1.2質量%、カフェイン含量/クロロゲン酸類含量の比が0.24である、粉末状のクロロゲン酸類含有組成物を原料として用いた。
原料クロロゲン酸類含有組成物をクロロゲン酸類含有量が3.6質量%となるようにイオン交換水に溶解させ、「クロロゲン酸類含有組成物の溶液B」を調製した。この溶液のpHは5.6であった。
ロブスタ種の焙煎コーヒー豆(L値50)を熱水にて抽出し、乾燥して得られた、クロロゲン含量34.4質量%、カフェイン含量9.8質量%、カフェイン含量/クロロゲン酸類含量の比が0.28である、粉末状のクロロゲン酸類含有組成物を原料として用いた。
原料クロロゲン酸類含有組成物をクロロゲン酸類含有量が1.2質量%となるようにイオン交換水に溶解させ、「クロロゲン酸類含有組成物の溶液C」を調製した。この溶液のpHは5.5であった。
ロブスタ種のコーヒー生豆(L値65)を熱水にて抽出して得られた、クロロゲン酸類含量0.75質量%、カフェイン含量0.18質量%、カフェイン含量/クロロゲン酸類含量の比が0.24である、溶液状のクロロゲン酸類含有組成物を原料として用いた。本溶液を「クロロゲン酸類含有組成物の溶液D」とした。この溶液のpHは5.6であった。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは2.3であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して27質量部通液させた。通液後の溶液のpHは3.0であった。その液を弱塩基性陰イオン交換樹脂(オルガノ株式会社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.2に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して25質量部通液させた。通液後の溶液のpHは2.7であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して30質量部通液させた。通液後の溶液のpHは3.3であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.2に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは2.3であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して10質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは2.3であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して20質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液Aを、弱酸性陽イオン交換樹脂(三菱化学社製、商品名WK40L)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは3.3であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。
その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例2によって得られた溶液Bを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して6.8質量部通液させた。通液後の溶液のpHは2.0であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して5質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。
その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例3によって得られた溶液Cを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは2.0であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.0に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例4によって得られた溶液Dを、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1.6[hr-1]の流量にて樹脂1質量部に対して32質量部通液させた。通液後の溶液のpHは2.4であった。
その液を弱塩基性陰イオン交換樹脂(ダウ・ケミカル社製、商品名IRA67)の充填されたカラムに、SV1.6[hr-1]の流量にて、樹脂1質量部に対して24質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.0に調整し、「精製クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「精製クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液を、弱塩基性陰イオン交換樹脂(オルガノ株式会社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液に、pHが2.3になるまで塩酸を添加した。
その液を弱塩基性陰イオン交換樹脂(オルガノ株式会社製、商品名IRA67)の充填されたカラムに、SV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.2に調整し、「クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、弱塩基性陰イオン交換樹脂に対して1.2質量部であった。得られた「クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液を、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させて、「クロロゲン酸類組成物」を得た(pH=2.3)。得られた「クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
調製例1によって得られた溶液を、強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムにSV1[hr-1]の流量にて樹脂1質量部に対して20質量部通液させた。通液後の溶液のpHは2.3であった。
その溶液を、多孔性樹脂(三菱化学社製、商品名セパビーズSP207)の充填されたカラムにSV1[hr-1]の流量にて、樹脂1質量部に対して15質量部通液させた。次いで、水をSV1[hr-1]の流量にて、樹脂1質量部に対して2質量部通液させた。
多孔性樹脂はエタノールで洗浄した後に水系に置換したものを用いた。
その後、アルカリ溶液(NaOH:0.5質量%溶液)をカラムにSV5[hr-1]にて、樹脂1質量部に対して25質量部通液させた。その液を強酸性陽イオン交換樹脂(三菱化学社製、商品名SK1BH)の充填されたカラムに通液させてpHを3.1に調整し、「クロロゲン酸類組成物」を得た。なお、ここで使用した強酸性陽イオン交換樹脂は、多孔性樹脂に対して1.2質量部であった。得られた「クロロゲン酸類組成物」を用いて、[評価方法1]の条件にて評価を行った。
これらの結果を表2に示す。
Claims (12)
- クロロゲン酸類含有組成物を陽イオン交換樹脂に接触させる工程A、
工程Aにより得られた液を陰イオン交換樹脂に接触させる工程B、及び
工程B後の陰イオン交換樹脂に脱離液を接触させる工程C
を有する、精製クロロゲン酸類組成物の製造方法。 - 前記工程Aにより得られた液のpHが4未満である請求項1記載の製造方法。
- 前記工程Cにより得られた液のpHを2~7に調整する工程Dを有する、請求項1又は2記載の製造方法。
- 前記工程BとCの間に陰イオン交換樹脂に水を接触させる工程Eを有する、請求項1~3のいずれか1項記載の製造方法。
- 前記工程Cで用いる脱離液が水酸化ナトリウム水溶液である請求項1~4のいずれか1項記載の製造方法。
- クロロゲン酸類含有組成物が、コーヒー豆抽出物である請求項1~5のいずれか1項記載の製造方法。
- 前記工程Bにおいて、陰イオン交換樹脂に対して前記工程Aにより得られた液を通液倍数=1~240[mL/mL]で通液する、請求項1~6のいずれか1項記載の製造方法。
- 前記工程Bにおいて、陰イオン交換樹脂に対して前記工程Aにより得られた液を空間速度=0.1~50[hr-1]で通液する、請求項1~7のいずれか1項記載の製造方法。
- クロロゲン酸類含有組成物中のクロロゲン酸類濃度が0.1~20質量%である、請求項1~8のいずれか1項記載の製造方法。
- タンパク質/クロロゲン酸類比率(質量比)が0.1以下、クエン酸/クロロゲン酸類比率(質量比)が0.05以上、かつ固形分中にクロロゲン酸類を60質量%以上含有する精製クロロゲン酸類組成物。
- ショ糖/クロロゲン酸類比率(質量比)が0.4以下である請求項10記載の精製クロロゲン酸類組成物。
- リンゴ酸/クロロゲン酸類比率(質量比)が0.02以上である請求項10又は11記載の精製クロロゲン酸類組成物。
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KR1020137030005A KR101971748B1 (ko) | 2011-06-21 | 2012-06-21 | 정제 클로로겐산류 조성물의 제조 방법 |
EP12803058.2A EP2725007B1 (en) | 2011-06-21 | 2012-06-21 | Method for manufacturing refined chlorogenic acids composition |
CN201280030424.1A CN103608329B (zh) | 2011-06-21 | 2012-06-21 | 精制绿原酸类组合物的制造方法 |
US14/128,325 US9029588B2 (en) | 2011-06-21 | 2012-06-21 | Method for manufacturing refined chlorogenic acids composition |
US14/702,022 US9301939B2 (en) | 2011-06-21 | 2015-05-01 | Method for manufacturing refined chlorogenic acids composition |
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US14/702,022 Division US9301939B2 (en) | 2011-06-21 | 2015-05-01 | Method for manufacturing refined chlorogenic acids composition |
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CN103720830A (zh) * | 2013-10-16 | 2014-04-16 | 晨光生物科技集团股份有限公司 | 从咖啡豆中提取绿原酸组合物和咖啡豆油的方法 |
WO2015050023A1 (ja) * | 2013-10-04 | 2015-04-09 | 富士フイルム株式会社 | クロロゲン酸含有組成物及びその製造方法並びに飲食品 |
CN106660932A (zh) * | 2014-08-26 | 2017-05-10 | 花王株式会社 | 含有绿原酸类的精制组合物的制造方法 |
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WO2018079179A1 (ja) * | 2016-10-26 | 2018-05-03 | 花王株式会社 | 精製クロロゲン酸類含有組成物 |
US11771670B2 (en) | 2016-10-26 | 2023-10-03 | Kao Corporation | Refined chlorogenic acid-containing composition manufacturing method |
WO2018079177A1 (ja) | 2016-10-26 | 2018-05-03 | 花王株式会社 | クロロゲン酸類含有組成物の製造方法 |
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KR20240117744A (ko) | 2023-01-26 | 2024-08-02 | 경성대학교 산학협력단 | 카페인이 저감된 고순도 클로로겐산 커피콩 추출물의 제조 방법 및 이로부터 제조된 커피콩 추출물 |
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Also Published As
Publication number | Publication date |
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EP2725007A1 (en) | 2014-04-30 |
KR20140023978A (ko) | 2014-02-27 |
EP2725007A4 (en) | 2014-12-17 |
CN103608329B (zh) | 2016-04-06 |
US9301939B2 (en) | 2016-04-05 |
JP2013027388A (ja) | 2013-02-07 |
JP5213197B2 (ja) | 2013-06-19 |
JP2013126983A (ja) | 2013-06-27 |
US20150231103A1 (en) | 2015-08-20 |
US9029588B2 (en) | 2015-05-12 |
CN103608329A (zh) | 2014-02-26 |
JP5276231B2 (ja) | 2013-08-28 |
US20140135391A1 (en) | 2014-05-15 |
EP2725007B1 (en) | 2018-10-17 |
KR101971748B1 (ko) | 2019-04-23 |
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