WO2012081675A1 - ホップ酸化反応産物、その製造法および用途 - Google Patents
ホップ酸化反応産物、その製造法および用途 Download PDFInfo
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- WO2012081675A1 WO2012081675A1 PCT/JP2011/079084 JP2011079084W WO2012081675A1 WO 2012081675 A1 WO2012081675 A1 WO 2012081675A1 JP 2011079084 W JP2011079084 W JP 2011079084W WO 2012081675 A1 WO2012081675 A1 WO 2012081675A1
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- hop
- oxidation reaction
- reaction product
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- 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)
- A61K36/348—Cannabaceae
- A61K36/3486—Humulus
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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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
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- the present invention relates to a hop oxidation reaction product, a method for producing the same, and a use thereof, and more specifically, a food and a food additive using the hop oxidation reaction product or an extract thereof, a fat accumulation inhibitor containing the same as an active ingredient, and body weight. It relates to an increase inhibitor.
- Hop which is the origin of bitter components in beer, has been used as a folk medicine since ancient times, and various health functions such as sedation and stomach effect are known.
- extract obtained from this hop is blended in a certain amount or more with respect to the food or drink, a unique and intense bitterness is produced, which may impair the palatability.
- bitterness reducing material examples include phosphatidic acid (trade name “Benecoat BMI” Kao Corporation), L-ornithine (Food Science No.317 p54 2004), and the like.
- phosphatidic acid trade name “Benecoat BMI” Kao Corporation
- L-ornithine Food Science No.317 p54 2004
- none of them alone has a strong effect, and it has been particularly difficult to suppress the bitter taste of the hop extract.
- sweeteners such as sucralose and thaumatin (Japanese Patent Laid-Open No. 2008-99682)
- bitterness is somewhat masked by sweetness, its use is limited due to its strong sweetness.
- JP 2008-99682 A Japanese Patent No. 4503302
- hop-derived isohumulones, humulones and luprones have a PPAR agonistic action and have a lipid metabolism improving function through this action (Japanese Patent No. 4503302).
- these hop-derived components have an intense bitterness, and when applied to foods and drinks and pharmaceuticals, suppression of the bitterness has been an issue.
- the present inventors have a fat accumulation inhibitory action and a weight gain inhibitory action, despite the fact that the degradation products obtained by oxidizing hops significantly reduce the content of humulones, etc. It has been found that the bitterness of the degradation products is greatly reduced.
- the present invention is based on these findings.
- the ratio of the peak area of iso (alpha) acid, (alpha) acid, and (beta) acid with respect to the total peak area by HPLC analysis is 20% or less, and the hop oxidation reaction product is provided.
- a food additive comprising a hop oxidation reaction product (hereinafter sometimes simply referred to as “the food additive of the present invention”), and a food obtained by adding them (hereinafter simply referred to as “a food additive of the present invention”).
- a food additive of the present invention Sometimes referred to as “food of the present invention”).
- the inhibitor of the present invention comprising a hop oxidation reaction product as an active ingredient.
- a method for producing the inhibitor of the present invention comprising oxidizing the hop and optionally extracting an oxidation reaction product.
- a method for suppressing fat accumulation and a method for suppressing body weight gain which comprise administering a hop oxidation reaction product to mammals including humans.
- a hop oxidation reaction product for producing a fat accumulation inhibitor or a weight gain inhibitor.
- the hop oxidation reaction product of the present invention or an extract thereof has a fat accumulation inhibitory action and / or a weight gain inhibitory action, and does not have an intense bitter taste like an isomerized hop. Therefore, the food of the present invention and the inhibitor of the present invention are advantageous in that they can be taken as they are without taking a bitter taste masking means while expecting physiological activities such as fat accumulation suppression and weight gain suppression.
- HPLC chart of the product (Example 1) obtained by oxidizing the hop. It is an enlarged view of the HPLC chart of the product (Example 1) obtained by oxidizing the hop. It is a HPLC chart of the hop which is not oxidized. It is an enlarged view of the HPLC chart of the hop which is not oxidized. It is a HPLC chart of the product (Example 5) obtained by oxidizing at low temperature. It is a HPLC chart of the extract (Example 6) used for the physiological effect evaluation (Example 8) obtained by oxidizing hops and extracting with ethanol.
- the hop oxidation reaction product provided by the present invention can be obtained by oxidizing a hop by contacting it with oxygen in the air.
- the oxidation treatment is not particularly limited, but from the viewpoint of oxidation efficiency, the oxidation treatment can be preferably performed under conditions of 60 ° C. to 80 ° C. and 8 hours to 120 hours. The method of oxidation treatment will be described later.
- the hop may be in any form as long as it contains a lupulin part, before harvesting and drying, harvested and dried, compressed, crushed, pellets What was processed into the shape etc. can be used.
- the pellet which concentrated the lupurin part selectively can also be used.
- isomerized pellets can also be used.
- Hops contain acidic resin components such as ⁇ -acid (humulones), ⁇ -acid (luprons), and iso- ⁇ -acid (isohumulones).
- humulones are used in the meaning including humulone, adhumulone, cohumulone, posthumulone, and prehumulone.
- luprons are used in the meaning including lupron, adolpron, colpron, post-lupron and plepron.
- isohumulones refers to isohumulone, isoadhumulone, isocohumulone, isoposthumulone, isoprehumulone, Rho-isohumulone, Rho-isoadhumulone, Rho-isocohumulone, Rho-isoposthumulone, Rho-isoprehumulone, tetrahydroisohumulone , Tetrahydroisoadhumulone, tetrahydroisocohumulone, tetrahydroisoprehumulone, tetrahydroisopost humulone, hexahydroisohumulone, hexahydroisoadhumulone, hexahydroisocohumulone, hexahydroisoposthumulone And hexahydroisoprehumulone.
- Isohumulones have cis and trans stereoisomers, and unless otherwise
- the contents of ⁇ acid, ⁇ acid, and iso ⁇ acid are reduced by subjecting hops to oxidation treatment, and the contents of components other than these are increased. Therefore, as an example of the “hop oxidation reaction product”, when the HPLC analysis of Example 1 is performed, the ratio of the peak areas of ⁇ acid, ⁇ acid and iso ⁇ acid to the HPLC total peak area of the oxidation reaction product is Examples thereof include 20% or less, preferably 10% or less.
- the hop oxidation reaction product prepared by the procedure described in Example 1 includes compounds other than ⁇ -acid, ⁇ -acid and iso- ⁇ -acid, and this compound ( ⁇ -acid, ⁇ -acid and Peaks other than isoalpha acids can exhibit physiological activity as shown in Examples 7 and 8. Therefore, as an example of the oxidation reaction product of the present invention, when the HPLC analysis of Example 1 is performed, the peaks of components other than ⁇ acid, ⁇ acid and iso ⁇ acid in the total peak area of HPLC among the oxidation reaction products.
- the area ratio is 80% or more, preferably 90% or more.
- the hop oxidation reaction product of the present invention may contain, for example, fatty acids generated by an oxidation reaction such as humulones depending on the processing conditions or the mode of ingestion, and is expressed as an oxidation odor or burnt odor. It was found that ingestion may be hindered by unpleasant odors. Therefore, the oxidation reaction product of the present invention is preferably one obtained by removing unpleasant odor from the oxidation product. A method for removing unpleasant odor will be described later.
- the hop oxidation reaction product of the present invention can be used as an extract obtained by subjecting to extraction with a solvent containing water or various organic media, or supercritical extraction using supercritical carbon dioxide, etc. Such embodiments are also included.
- the organic solvent include lower alcohols having 1 to 4 carbon atoms such as methanol, ethanol, propanol, and butanol; lower alkyl esters such as ethyl acetate; glycols such as ethylene glycol, butylene glycol, propylene glycol, and glycerin;
- Other examples include polar solvents such as acetone and acetic acid; hydrocarbons such as benzene and hexane; nonpolar solvents such as ethers such as ethyl ether and petroleum ether.
- the extract is advantageous because the hop oxidation reaction product of the present invention can be used at a high concentration and the stability during storage is increased.
- Oxidation treatment The oxidation reaction product of the present invention can be produced by oxidizing hops.
- the oxidation treatment is preferably performed by heating the hops in air.
- heating temperature is not specifically limited, A preferable upper limit is 100 degreeC and a more preferable upper limit is 80 degreeC.
- the heating temperature is set to 100 ° C. or lower, it is advantageous in promoting oxidation preferentially over isomerization.
- the minimum of preferable heating temperature is 60 degreeC.
- the reaction period is not particularly limited, and can be appropriately determined depending on the type of hop and the reaction temperature. For example, it is preferably 48 to 120 hours at 60 ° C. and 8 to 24 hours at 80 ° C.
- the form of the hop is not particularly limited as long as it can come into contact with oxygen in the air, but the reaction time can be shortened by preferably making it into a powder form. Moreover, you may store in a humid environment.
- ⁇ acid, ⁇ acid and iso ⁇ acid contained in hops can be changed to oxides.
- the degree of oxidation of these components can be confirmed by analysis by HPLC or the like.
- Hops that are subjected to oxidation treatment are commercially available as beer additives, and commercially available products can be used in the present invention.
- compressed hop blossoms into pellets Type90 pellets
- pellets with selectively enriched lupurin Type45 pellets
- isomerized hop pellets eg Isomerized Pellets (HopSteiner)
- Etc. can be used.
- Oxidation reaction products obtained by subjecting hops to oxidation treatment have unpleasant odors, which may have adverse effects depending on the form of ingestion. May be.
- the aqueous organic medium is not particularly limited as long as it is usually used for food production, but ethanol is preferable from the viewpoint of extraction efficiency.
- the extraction temperature is not particularly limited, but is preferably 60 ° C. or less, and more preferably 50 to 60 ° C. in consideration of extraction efficiency.
- the extracted hop oxidation reaction product can be obtained by removing insoluble components with filter paper and concentrating to an extract.
- the extract can be advantageously used for the food additive of the present invention, the food of the present invention, and the inhibitor of the present invention, similarly to the hop oxidation reaction product.
- the hop oxidation product or its extract significantly suppresses body weight in mice fed with a high fat diet and significantly reduces the weight of subcutaneous fat in mice fed with a high fat diet. It was.
- the oxidation reaction product of the present invention is useful as a fat accumulation inhibitor (particularly a subcutaneous fat accumulation inhibitor) and a weight gain inhibitor. Moreover, the oxidation reaction product or extract of the present invention is useful for the prevention and / or treatment of obesity.
- the oxidation reaction product of the present invention does not have an intense bitter taste like humulones and isohumulones (Example 3). Therefore, the degradation product of the present invention is advantageous in that it can be used as it is without taking a masking means for bitterness in foods and beverages and pharmaceuticals while expecting the physiological activity as described above.
- the oxidation reaction product of the present invention When the oxidation reaction product of the present invention is provided as a pharmaceutical product, it can be produced by mixing the degradation product of the present invention with a pharmaceutically acceptable additive. Since the oxidation reaction product of the present invention does not have an intense bitter taste like humulones and isohumulones, the bitter taste is sufficiently masked without using a means for masking the bitter taste or using an existing masking means. This is advantageous in that the preparation can be expected to have a predetermined effect in a state in which it has been produced.
- the oxidation reaction product of the present invention can be used as an oral preparation or a parenteral preparation, but is preferably an oral preparation.
- the orally administered agent include granules, powders, tablets (including sugar-coated tablets), pills, capsules, syrups, emulsions, and suspensions.
- parenteral preparations include injections (for example, subcutaneous injections, intravenous injections, intramuscular injections, intraperitoneal injections), drops, and external preparations (for example, nasal preparations, transdermal preparations, ointments) ), Suppositories (for example, rectal suppositories, vaginal suppositories).
- compositions can be formulated using a pharmaceutically acceptable carrier by a technique usually performed in this field.
- Pharmaceutically acceptable carriers include excipients, binders, diluents, additives, fragrances, buffers, thickeners, colorants, stabilizers, emulsifiers, dispersants, suspending agents, preservatives, etc.
- magnesium carbonate, magnesium stearate, talc, sugar, lactose, pectin, dextrin, starch, gelatin, tragacanth, methylcellulose, sodium carboxymethylcellulose, low melting point wax, cocoa butter can be used as a carrier.
- the preparation can be produced, for example, as follows.
- Oral preparations contain active ingredients such as excipients (eg lactose, sucrose, starch, mannitol), disintegrants (eg calcium carbonate, carboxymethylcellulose calcium), binders (eg pregelatinized starch, gum arabic, carboxy Methylcellulose, polyvinylpyrrolidone, hydroxypropylcellulose) or lubricant (eg talc, magnesium stearate, polyethylene glycol 6000) and compression molded, then, if necessary, taste masking, enteric or sustained purposes Therefore, it can be produced by coating by a method known per se.
- active ingredients eg lactose, sucrose, starch, mannitol
- disintegrants eg calcium carbonate, carboxymethylcellulose calcium
- binders eg pregelatinized starch, gum arabic, carboxy Methylcellulose, polyvinylpyrrolidone, hydroxypropylcellulose
- ethyl cellulose for example, ethyl cellulose, hydroxymethyl cellulose, polyoxyethylene glycol, cellulose acetate phthalate, hydroxypropyl methylcellulose phthalate and Eudragit (Rohm, Germany, methacrylic acid / acrylic acid copolymer) can be used.
- An injection comprises an active ingredient containing a dispersant (for example, Tween 80 (manufactured by Atlas Powder, USA), HCO 60 (manufactured by Nikko Chemicals), polyethylene glycol, carboxymethylcellulose, sodium alginate, etc.), a preservative (for example, methylparaben).
- a dispersant for example, Tween 80 (manufactured by Atlas Powder, USA), HCO 60 (manufactured by Nikko Chemicals), polyethylene glycol, carboxymethylcellulose, sodium alginate, etc.
- a preservative for example, methylparaben
- aqueous solvents eg, distilled water, physiological saline, Ringer's solution, etc.
- an oily solvent for example, vegetable oil such as olive oil, sesame oil, cottonseed oil, corn oil, propylene glycol.
- additives such as a solubilizing agent (for example, sodium salicylate, sodium acetate), a stabilizer (for example, human serum albumin), a soothing agent (for example, benzalkonium chloride, procaine hydrochloride) are added. Also good.
- a solubilizing agent for example, sodium salicylate, sodium acetate
- a stabilizer for example, human serum albumin
- a soothing agent for example, benzalkonium chloride, procaine hydrochloride
- External preparations can be produced by making the active ingredient into a solid, semi-solid or liquid composition.
- the solid composition is prepared by using the active ingredient as it is, or an excipient (eg, lactose, mannitol, starch, microcrystalline cellulose, sucrose), a thickener (eg, natural gums, cellulose derivatives, acrylic acid). Polymer) and the like can be added and mixed to form a powder.
- the liquid composition can be produced in almost the same manner as in the case of an injection.
- the semi-solid composition is preferably an aqueous or oily gel or a cartilage.
- compositions are all pH adjusters (for example, carbonic acid, phosphoric acid, citric acid, hydrochloric acid, sodium hydroxide), preservatives (for example, p-hydroxybenzoates, chlorobutanol, benzalkonium chloride). Etc. may be included. Suppositories can be produced by making the active ingredient into an oily or aqueous solid, semi-solid or liquid composition.
- pH adjusters for example, carbonic acid, phosphoric acid, citric acid, hydrochloric acid, sodium hydroxide
- preservatives for example, p-hydroxybenzoates, chlorobutanol, benzalkonium chloride.
- Etc. may be included.
- Suppositories can be produced by making the active ingredient into an oily or aqueous solid, semi-solid or liquid composition.
- oily base used in the composition examples include higher fatty acid glycerides [for example, cacao butter, witepsols (manufactured by Dynamite Nobel)], intermediate fatty acids [for example, miglyols (manufactured by Dynamite Nobel)], or vegetable oils (for example, , Sesame oil, soybean oil, cottonseed oil).
- aqueous base examples include polyethylene glycols and propylene glycol.
- aqueous gel base examples include natural gums, cellulose derivatives, vinyl polymers, and acrylic acid polymers.
- the food additive of the present invention is an oxidation reaction product of the present invention intended to be added to food.
- the oxidation reaction product of the present invention exhibits physiological actions such as a fat accumulation inhibitory effect and a weight gain inhibitory effect. Therefore, the food additive of the present invention includes those intended to be added to foods that expect the physiological action of the oxidation reaction product of the present invention.
- the addition object and addition aspect can follow the description regarding the foodstuff of this invention.
- the food of the present invention is a food or drink containing an effective amount of the oxidation reaction product of the present invention.
- “containing an effective amount” of the oxidation reaction product of the present invention means that the hop oxidation reaction product is ingested within a range as described later when an amount normally consumed in each food or drink is ingested. Content.
- the oxidation reaction product of the present invention can be blended into the food as it is. More specifically, the food of the present invention is prepared by directly using the oxidation reaction product of the present invention as a food or drink, further blended with various proteins, sugars, fats, trace elements, vitamins, etc., liquid, semi-liquid It may be in the form of a solid or solid, in the form of an aqueous solution such as potassium salt or sodium salt, or added to a general food or drink.
- the oxidation reaction product or extraction unit depression of the present invention does not have an intense bitter taste like humulones and isohumulones, it does not take a means for masking the bitter taste or uses an existing masking means. It is advantageous in that it can be a food that is expected to have a predetermined physiological action in a state where the is sufficiently masked.
- the extract obtained by extracting the oxidation reaction product of the present invention with an aqueous organic medium is used for food, since the unpleasant odor caused by the oxidation reaction is almost eliminated, the extract is highly concentrated. It is particularly advantageous in that it does not produce an unpleasant odor expressed as an oxidative odor or a burnt odor even when used in food.
- “food” is used to mean including health food, functional food, food for specified health use, and food for the sick.
- the form of “food” is not particularly limited, and may be, for example, a drink form.
- the oxidation reaction product of the present invention Since the oxidation reaction product of the present invention has a fat accumulation inhibitory action and a weight gain inhibitory action, it is a food that is taken daily or a health food or functional food that is taken as a supplement, preferably a lipid-containing food or a high-calorie food.
- a food that is taken daily or a health food or functional food that is taken as a supplement preferably a lipid-containing food or a high-calorie food.
- foods that are useful for maintaining and improving health specifically, foods having functions such as fat accumulation inhibitory action and weight gain inhibitory action are provided.
- Can do That is, the food of the present invention is a food suitable for consumers concerned about fat accumulation (particularly accumulation of body fat and visceral fat) and consumers concerned about weight gain, particularly food for specified health use. Can be provided.
- Such foods and drinks include foods and drinks containing carbohydrates such as rice, noodles, breads and pasta; Western confectionery such as cookies and cakes; Japanese confectionery such as buns and sheepskin; candy, gums, yogurt and pudding Various confectionery such as frozen confectionery and ice confectionery such as whiskey, bourbon, spirits, liqueur, wine, fruit liquor, sake, Chinese sake, shochu, beer, non-alcoholic beer with alcohol content of 1% or less, sparkling liquor, other miscellaneous sake, Alcoholic drinks such as strawberry high; fruit juice drinks, vegetable juice drinks, fruit and vegetable juice drinks, soft drinks, milk, soy milk, milk drinks, drink type yogurt, drink type jelly, coffee, cocoa, tea drinks , Non-alcoholic beverages such as energy drinks, sports drinks and mineral water; processed products using eggs, seafood ( Ca, octopus, shellfish, including processed products (delicacies eel, etc.) and meat (including offal lever or the like)) can be exemplified such as, but not limited thereto.
- tea beverages include black tea, green tea, barley tea, brown rice tea, sencha, gyokuro tea, roasted tea, oolong tea, turmeric tea, puer tea, rooibos tea, rose tea, chrysanthemum tea, herbal tea (for example, mint tea, jasmine) Tea).
- fruits used in fruit juice-containing beverages and fruit and vegetable juice-containing beverages include apples, mandarin oranges, grapes, bananas, pears, and ume.
- a vegetable used for a drink containing vegetable juice, fruit juice, and a drink containing vegetable juice a tomato, a carrot, a celery, a cucumber, and a watermelon are mentioned, for example.
- the pharmaceuticals and foods of the present invention are hops that have been ingested by human beings as food and drink for many years, have low toxicity, and mammals that require it (for example, humans, mice, rats, rabbits, dogs, Cats, cows, horses, pigs, monkeys, etc.).
- the dose or intake of the oxidation reaction product of the present invention can be determined depending on the recipient, the age and weight of the recipient, symptoms, administration time, dosage form, administration method, drug combination, and the like.
- the oxidation reaction product of the present invention is orally administered as a pharmaceutical, it is 10 to 600 mg, preferably 20 to 200 mg in terms of isohumulone per day for an adult weighing 60 kg, and 1 to 100 mg, preferably when administered parenterally.
- the dose can be divided into 1 to 3 times a day so that the dose is in the range of 3 to 30 mg.
- Drugs having other mechanisms of action used in combination with the oxidation reaction product of the present invention can also be appropriately determined based on the clinically used dose.
- the oxidation reaction product of the present invention is applied to the food so that the intake per day for an adult weighing 60 kg is 25 to 9600 mg, preferably 25 to 780 mg, in terms of isohumulones. Can be blended.
- Example 1 Preparation of Hop Pellet Oxidation Reaction Product
- pelleted Haratauperle seed HPE seed
- This hop was pulverized with a mill, and the heating reaction time was maintained at 80 ° C. for up to 24 hours.
- the obtained product was subjected to pretreatment as follows and then subjected to HPLC analysis. (Reactant analysis pretreatment)
- the collected product was added to ethanol to 10% w / v and extracted at 50 ° C. for 1 hour.
- the obtained extract was diluted 10 times with ethanol.
- the ratio (%) of the peak values of ⁇ acid, ⁇ acid, and iso ⁇ acid in the total area value (mAU ⁇ min) of all peaks detected at a detection wavelength of 270 nm was calculated.
- areas where solvent peaks and negative peaks due to injection shock occur were excluded from analysis.
- FIG. 1A shows an HPLC chromatogram when analyzing the product of Example 1 above. Moreover, an enlarged view is shown in FIG. 1B, and the area used in the analysis after 30 minutes is indicated by hatching.
- FIG. 2A shows the chromatogram at the time of analysis when the oxidation treatment was not performed.
- An enlarged view is shown in FIG. 2B.
- the retention times of ⁇ acid (a1, a2, a3) and ⁇ acid (b1, b2) at the time of this analysis were used as a reference.
- a1, a2, and a3 are cohumulone, humulone, and adhumulon, respectively
- b1 and b2 are colpron, lupron, and adolpron, respectively.
- Table 2 shows the ratio (%) of the peak values of ⁇ acid, ⁇ acid, and iso ⁇ acid in the total area value (mAU ⁇ min) of all peaks detected at a detection wavelength of 270 nm in each analysis sample. It was.
- the ratio of ⁇ acid, ⁇ acid and iso ⁇ acid to the total peak of the product obtained by the oxidation treatment is considerably reduced, and ⁇ acid, ⁇ acid and iso acid are lower than those of the untreated product.
- the ⁇ acid was reduced by about 90%.
- peaks other than ⁇ -acid, ⁇ -acid and iso- ⁇ -acid appeared newly due to the oxidation reaction. That is, the peak in the range fractionated by the arrow A in FIG. 1 (excluding ⁇ acid and ⁇ acid peaks) corresponds to this.
- the ratio (%) of the area values of the peaks (excluding the ⁇ acid and ⁇ acid peaks) in the range fractionated by the arrow A in the total area value (mAU ⁇ min) of all peaks detected at a detection wavelength of 270 nm is It was as Table 3.
- Standard products for quantitative analysis include ⁇ -acid, ⁇ -acid, and iso- ⁇ -acid, for example, ICE-2, ICS-I2, and ICS-T2 from Internal Calibration s Standards available from American Society Brewing Chemists (ASBC). Available.
- Example 2 Extraction of hop oxidation product (removal of unpleasant odor)
- the product of Example 1 contained fatty acids and the like resulting from the oxidation reaction, and depending on the mode of ingestion, it was considered difficult to ingest comfortably due to this unpleasant odor. Therefore, removal of unpleasant odors was examined.
- Ethanol was added to 100 g of the product of Example 1 to 1 L, and the mixture was stirred at 55 ° C. for 1 hour to obtain an ethanol extract.
- the sensory evaluation of the unpleasant odor of the extract of Example 2 (dark green solid) and the product of Example 1 (control) by the above extraction was performed using 6 in-house panelists by the following method.
- the extract or control of Example 2 was added to a 10 mM citrate buffer solution (pH about 5.5) and dissolved by boiling for 1 hour. This solution was filtered, and evaluation was performed with a solution prepared so that the extract or control of Example 2 contained about 50 ppm in terms of isohumulone.
- Example 2 had a less unpleasant odor than the control and had a flavor suitable for drinking.
- Example 3 Bitter taste sensory evaluation About the extract of Example 2, the bitter taste was compared by sensory evaluation.
- Sensory evaluation included a sample number mL in the mouth and evaluated according to the evaluation criteria. The result was obtained as an average value of the evaluation scores of six people.
- Example 4 Examination of oxidation reaction temperature and time
- hop pellets were oxidized at 60 ° C. or 80 ° C., and the products were collected over time and measured by HPLC.
- a peak area ratio 1 of the total peak areas of ⁇ acid, ⁇ acid, and iso ⁇ acid, and a peak area ratio 2 of peak areas other than humulones, luprones, and isohumulones with respect to the entire peak area were calculated.
- sensory evaluation was performed according to the method described in Example 3. The results were as follows.
- Example 5 Examination of Oxidation Treatment at Low Temperature According to the method of Example 1, hops of Satz species were stored at 4 ° C. for 5 years and subjected to oxidation treatment. The obtained product was subjected to HPLC analysis.
- FIG. 3 shows an HPLC analysis chromatogram when analyzing the product of Example 5 above. It was confirmed that similar products could be obtained regardless of the hop variety and reaction temperature.
- Example 6 Preparation of Sample for Physiological Action Evaluation
- a sample was prepared by the following method.
- the hop was heated and reacted at 60 ° C. for 32 hours, 48 hours, and 120 hours to obtain an extract.
- the extract thus prepared and the extract of Example 2 were used for physiological action evaluation.
- each extract was diluted and used for HPLC analysis, and it was confirmed that the hop oxidation reaction product was extracted (FIG. 4).
- Example 7 Evaluation of influence on fatty acid accumulation etc.
- the physiological evaluation of the extract of Example 2 was performed using mice.
- One group of 6 5-week-old male C57BL / 6J mice (Nippon Charles River) was acclimatized with AIN93G diet for about 1 week, and then the extract of Example 2 was added to the high fat diet group and the high fat diet with a solid content of 0.
- a total of 2 groups were added to the group added to 5% (W / W).
- Body weight was measured every week from the start of administration, and administration was continued up to 37 days. Subcutaneous fat weight and perirenal fat weight were measured at the time of dissection.
- lipid absorption inhibition in a test meal can be considered. Therefore, in order to evaluate the lipid absorption inhibitory action of the extract of Example 2, the activity inhibitory action of pancreatic lipase that greatly contributes to the absorption of neutral fat was evaluated.
- Example 8 Evaluation of pancreatic lipase activity inhibitory action of hop oxidation reaction product
- the pancreatic lipase activity inhibitory action of the extract of Example 2 was evaluated. Measurement of pancreatic lipase activity was performed as follows according to a method already reported (J. Agric. Food Chem., 53, 4593-4598 (2005)). 4-methylbelliferylate (Sigma Aldrich) was used as a measurement reagent, and 10 U of porcine pancreatic lipase (Sigma Aldrich) was used as an enzyme source.
- the extract of Example 2 was dissolved in a predetermined solid content concentration using 4% dimethyl sulfoxide and subjected to the test. The activity was expressed as 100% of the enzyme activity obtained when only 4% dimethyl sulfoxide was added.
- the hop oxidation reaction product inhibited pancreatic lipase activity, and when added at a final concentration of 82.8 ⁇ g / ml, the lipase activity decreased to about 50% (FIG. 8: Pancreatic lipase inhibition activity of hop oxidation reaction product; average Value ⁇ standard deviation). From the above results, it was confirmed that the extract of Example 2 has an inhibitory action on pancreatic lipase activity.
- pancreatic lipase activity inhibitory action was similarly evaluated about the extract obtained in Example 6.
- all the extracts obtained in Example 6 inhibited pancreatic lipase activity, and the lipase activity decreased to about 50% when added at a final solid concentration of 37.9 to 133.3 ⁇ g / ml. .
- the 50% pancreatic lipase activity inhibitory concentration (IC50) of the extract obtained in Example 6 was as shown in FIG. From the above results, it was confirmed that all the extracts obtained in Example 6 have an inhibitory action on pancreatic lipase activity.
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Abstract
Description
本発明により提供されるホップ酸化反応産物は、ホップを空気中の酸素に接触させて酸化することにより得ることができる。本発明において酸化処理とは特に限定されるものではないが、酸化効率の観点から、好ましくは60℃~80℃、8時間~120時間の条件下で酸化処理を行うことができる。酸化処理の手法は後述する。また、本発明においてホップは、ルプリン部を含有するものであれば任意の形態のものでよく、収穫して乾燥させる前のもの、収穫して乾燥したもの、圧縮したもの、粉砕したもの、ペレット状に加工したもの等用いることができる。また、ルプリン部を選択的に濃縮したペレットを用いることもできる。さらに、異性化処理をしたペレットを用いることもできる。
従って、本発明の酸化反応産物は、好ましくは、酸化産物中から不快臭が除去されたものである。不快臭の除去の手法は後述する。
有機溶媒としては、メタノール、エタノール、プロパノール、およびブタノール等の炭素数1~4の低級アルコ-ル;酢酸エチルエステル等の低級アルキルエステル;エチレングリコール、ブチレングリコール、プロピレングリコール、グリセリンなどのグリコール類;その他アセトン、酢酸等の極性溶媒;ベンゼンやヘキサン等の炭化水素;エチルエーテルや石油エーテルなどのエーテル類等の非極性溶媒等が挙げられる。抽出物とすることにより本発明のホップ酸化反応産物を高濃度で利用可能となるほか、保存時の安定性が増すことなどから有利である。
酸化処理
本発明の酸化反応産物は、ホップを酸化処理することにより製造することができる。
加熱温度を100℃以下とする場合には異性化よりも酸化を優先的に進行させる上で有利である。また、好ましい加熱温度の下限は60℃である。加熱温度を60℃以上とする場合には酸化反応を効率的に進行させる上で有利である。また、反応期間も特に限定されるものではなく、ホップの品種や反応温度により適宜決定することができる。例えば、60℃であれば48~120時間、80℃であれば8~24時間が好ましい。さらにホップの形態は空気中の酸素と接触できれば特に限定されるものではないが、好ましくは粉末状にすることにより、反応時間を短縮できる。また、高湿の環境下で保管してもよい。
ホップを酸化処理に付して得られた酸化反応産物には不快臭があり、摂取の態様によっては悪影響を及ぼしうることから、該処理により生成した不快臭を除去する処理を実施してもよい。
後記実施例5~6に示される通り、ホップの酸化反応産物またはその抽出物は、高脂肪食摂取マウスにおいて体重を有意に抑制するとともに、高脂肪食摂取マウスの皮下脂肪重量を有意に減少させた。
本発明の酸化反応産物を医薬品として提供する場合には、本発明の分解産物を薬学上許容される添加物と混合することにより製造できる。本発明の酸化反応産物はフムロン類やイソフムロン類のような強烈な苦味を有さないことから、苦味をマスキングするための手段を講じずに、あるいは既存のマスキング手段を用いて苦味を十分にマスキングした状態で所定の効能を期待する製剤とすることができる点で有利である。
経口剤は、有効成分に、例えば賦形剤(例えば、乳糖、白糖、デンプン、マンニトール)、崩壊剤(例えば、炭酸カルシウム、カルボキシメチルセルロースカルシウム)、結合剤(例えば、α化デンプン、アラビアゴム、カルボキシメチルセルロース、ポリビニールピロリドン、ヒドロキシプロピルセルロース)または滑沢剤(例えば、タルク、ステアリン酸マグネシウム、ポリエチレングリコール6000)を添加して圧縮成形し、次いで必要により、味のマスキング、腸溶性あるいは持続性の目的のため自体公知の方法でコーティングすることにより製造することができる。コーティング剤としては、例えばエチルセルロース、ヒドロキシメチルセルロース、ポリオキシエチレングリコール、セルロースアセテートフタレート、ヒドロキシプロピルメチルセルロースフタレートおよびオイドラギット(ローム社製、ドイツ、メタアクリル酸・アクリル酸共重合物)などを用いることができる。
本発明の酸化反応産物の投与量または摂取量は、受容者、受容者の年齢および体重、症状、投与時間、剤形、投与方法、薬剤の組み合わせ等に依存して決定できる。例えば、本発明の酸化反応産物を医薬として経口投与する場合、体重60kgの成人1人1日当たりイソフムロン類換算で10~600mg、好ましくは20~200mg、非経口投与する場合は1~100mg、好ましくは3~30mgの範囲となるように、1日1~3回に分けて投与することができる。本発明の酸化反応産物と組み合わせて用いる他の作用機序を有する薬剤も、それぞれ臨床上用いられる用量を基準として適宜決定できる。また、食品として摂取する場合に、体重60kgの成人1人1日当たりイソフムロン類換算で、25~9600mgの範囲、好ましくは、25~780mgの範囲の摂取量となるよう本発明の酸化反応産物を食品に配合することができる。
ホップとしては、ペレット状のハラタウペルレ種(HPE種)を用いた。このホップをミルで粉砕し、80℃で24時間まで加熱反応時間を保持した。得られた生成物について以下のように前処理を実施した後、HPLC分析に供した。
〔反応物分析前処理〕
採取した生成物を10%w/vとなるようエタノールに添加し、50℃で1時間抽出を行った。得られた抽出液をエタノールで10倍に希釈した。
[HPLC構成装置]
ホンプ:LC-10ADvp×3(SHIMADZU)
デガッサー:DGU-20A5(SHIMADZU)
システムコントローラー:CBM-20A(SHIMADZU)
オートサンプラー:SIL-20ACHT(SHIMADZU)
カラムオーブン:CTO-20AC(SHIMADZU)
フォトダイオードアレー検出器:SPD-M20A(SHIMADZU)
波形解析ソフトウェア:LCSolution(SHIMADZU)
[HPLC条件]
カラム:Alltima C18 2.1mm I.D. x 100mm 粒子径3μm
流速:0.6mL/min
溶出溶媒A:水/リン酸、1000/0.2, (v/v) + EDTA(free) 0.02%(w/v)
溶出溶媒B:アセトニトリル
溶出溶媒C:水
注入量:3μL
カラム温度:40℃
検出波長: 270nm(酸化反応産物、イソα酸、α酸、β酸)
グラジエントプログラム:
すなわち図1において矢印Aで分画される範囲のピーク(α酸、β酸のピークを除く)がこれに該当する。検出波長270nmで検出される全ピークの合計面積値(mAU・min)中の矢印Aで分画される範囲のピーク(α酸、β酸のピークを除く)の面積値の比率(%)は表3の通りであった。
実施例1の生成物は酸化反応に起因する脂肪酸等を含んでおり、摂取する態様によっては、この不快臭のため快適な摂取が困難であると考えられた。そこで、不快臭の除去を検討した。
実施例2の抽出物について、その苦味を官能評価にて比較した。
実施例2の抽出物および未酸化ホップペレットより実施例2と同様の方法で抽出して得られた生成物(コントロール)の苦味について、以下の方法で6人の社内パネラーを用いて官能評価を行った。抽出物については10mMクエン酸バッファー(pH5.5)中で煮沸溶解し、実施例2の抽出物またはコントロールがイソフムロン換算で50ppmとなるように希釈して官能評価に用いた。
実施例1の方法に従い、ホップペレットを60℃または80℃で酸化処理し、経時的に生成物を採取しHPLCにて測定し、ピーク全体の面積に対するα酸、β酸およびイソα酸のピーク面積の合計のピーク面積比1、および、ピーク全体の面積に対するフムロン類、ルプロン類およびイソフムロン類以外のピーク面積のピーク面積比2を算出した。また、実施例3に記載された方法に従って官能評価を実施した。結果は以下の通りであった。
実施例5:低温での酸化処理検討
実施例1の方法に従い、ザーツ種のホップを4℃で5年間保管し、酸化処理を行った。
得られた生成物について、HPLC分析に供した。
本発明による生成物の生理作用を評価するために、以下の方法によりサンプルの調製を行った。
実施例2の抽出物について、マウスを用いて生理評価を実施した。1群6匹の5週齢 雄性C57BL/6Jマウス(日本チャールズリバー)を、AIN93G飼料にて1週間程度馴化後、高脂肪食群、高脂肪食に実施例2の抽出物を固形分量0.5%(W/W)となるように添加した群の計2群を設定した。投与開始時より毎週体重を測定し、37日間まで投与を継続し、解剖時に皮下脂肪重量及び腎周囲脂肪重量を測定した。
実施例2の抽出物の膵リパーゼ活性阻害作用を評価した。膵リパーゼ活性の測定はすでに報告された方法(J.Agric.Food Chem.,53,4593-4598(2005))に従って以下の通りに実施した。測定試薬には4-methylumbelliferyloleate(シグマアルドリッチ)を使用し、酵素源にはブタ膵リパーゼ(シグマアルドリッチ)を、1検体当たり10U使用した。実施例2の抽出物は4%ジメチルスルホキシドを用いて所定の固形分濃度に溶解し、試験に供した。活性は4%ジメチルスルホキシドのみを添加した場合に得られる酵素活性を100%として表示した。
測定の結果、実施例6で得られた抽出物はすべて膵リパーゼ活性を阻害し、固形分の終濃度37.9~133.3μg/mlで添加したときに約50%までリパーゼ活性が低下した。また、実施例6で得られた抽出物の50%膵リパーゼ活性阻害濃度(IC50)は図9に示される通りであった。以上の結果から、実施例6で得られた抽出物は全て膵リパーゼ活性の阻害作用を持つことが確認された。
Claims (13)
- HPLC分析による総ピーク面積に対するイソα酸、α酸およびβ酸のピーク面積の割合が20%以下である、ホップ酸化反応産物。
- 請求項1に記載の酸化反応産物を水性有機媒体で抽出して得られる、ホップ由来抽出物。
- 請求項1に記載の酸化反応産物または請求項2に記載の抽出物を有効成分として含んでなる、脂肪蓄積抑制剤または体重増加抑制剤。
- 請求項1に記載の酸化反応産物または請求項2に記載の抽出物を有効成分として含んでなる、食品添加剤。
- 請求項1に記載の酸化反応産物または請求項2に記載の抽出物が添加されてなる、食品。
- ホップを酸化処理することを含んでなる、請求項1に記載のホップ分解産物の製造方法。
- 前記酸化処理がホップを加熱することにより行われる、請求項6に記載の製造方法。
- 前記加熱の温度が60~100℃である、請求項7に記載の製造方法。
- 請求項1にホップ分解産物を水性有機媒体で抽出することを含んでなる、請求項2に記載のホップ由来抽出物の製造方法。
- 前記水性有機媒体がエタノールである、請求項9に記載の製造方法。
- ホップを酸化処理し、所望により、前記酸化処理により得られるホップ酸化反応産物を水性有機媒体で抽出することを含んでなる、請求項3に記載の脂肪蓄積抑制剤または体重増加抑制剤の製造方法。
- 脂肪蓄積抑制剤または体重増加抑制剤の製造における、請求項1に記載の酸化反応産物または請求項2に記載の抽出物の使用。
- 食品添加剤の製造における、請求項1に記載の酸化反応産物または請求項2に記載の抽出物の使用。
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| AU2011342117A AU2011342117B2 (en) | 2010-12-15 | 2011-12-15 | Hops oxidation product, and production method and use therefor |
| US13/994,624 US11179429B2 (en) | 2010-12-15 | 2011-12-15 | Hop oxidation-reaction product, preparing method thereof and use thereof |
| BR112013014938A BR112013014938A8 (pt) | 2010-12-15 | 2011-12-15 | produto de reação de oxidação lúpulo, método de preparação do mesmo e uso do mesmo |
| NZ612732A NZ612732A (en) | 2010-12-15 | 2011-12-15 | Hop oxidation-reaction product, preparing method thereof and use thereof |
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| WO2013191264A1 (ja) * | 2012-06-20 | 2013-12-27 | キリン株式会社 | ホップ酸化反応産物抽出物含有発泡性飲料 |
| WO2013191258A1 (ja) * | 2012-06-20 | 2013-12-27 | キリンホールディングス株式会社 | 酸化処理に付したホップの水性媒体抽出物を含有する飲料 |
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Also Published As
| Publication number | Publication date |
|---|---|
| BR112013014938A8 (pt) | 2018-04-17 |
| AU2011342117B2 (en) | 2017-06-01 |
| NZ612732A (en) | 2015-08-28 |
| JPWO2012081675A1 (ja) | 2014-05-22 |
| EP3251684A1 (en) | 2017-12-06 |
| EP2653165B9 (en) | 2021-03-17 |
| EP2653165B1 (en) | 2017-11-01 |
| JP6113890B2 (ja) | 2017-04-12 |
| AU2011342117A1 (en) | 2013-08-01 |
| EP2653165A1 (en) | 2013-10-23 |
| US20130316023A1 (en) | 2013-11-28 |
| JP2016175928A (ja) | 2016-10-06 |
| JP5980687B2 (ja) | 2016-08-31 |
| US11179429B2 (en) | 2021-11-23 |
| EP2653165A4 (en) | 2014-10-29 |
| BR112013014938A2 (pt) | 2016-09-13 |
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