WO2006101195A1 - 新規微生物及び当該微生物を用いたコーヒー生豆の処理方法 - Google Patents
新規微生物及び当該微生物を用いたコーヒー生豆の処理方法 Download PDFInfo
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- WO2006101195A1 WO2006101195A1 PCT/JP2006/305965 JP2006305965W WO2006101195A1 WO 2006101195 A1 WO2006101195 A1 WO 2006101195A1 JP 2006305965 W JP2006305965 W JP 2006305965W WO 2006101195 A1 WO2006101195 A1 WO 2006101195A1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/14—Fungi; Culture media therefor
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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
- A23F5/02—Treating green coffee; Preparations produced thereby
Definitions
- the present invention relates to a method for treating green coffee beans, which includes a fermentation process in which microorganisms are brought into contact with an assimilation component in the presence of green coffee beans.
- Patent Document 1 a method of imparting a coffee flavor by causing a microorganism to perform a fermentation treatment is disclosed (see Patent Document 1).
- Neisseria gonorrhoeae (genus Aspergillus) is used as a microorganism. Specifically, the coffee ground beans that have been crushed and fermented by inoculation with koji mold are roasted and the resulting coffee flavor components are extracted. Next, the extracted coffee flavor component is added to coffee products such as coffee extract, roasted coffee beans, and powdered coffee to enhance the coffee flavor.
- Patent Document 1 Japanese Patent Laid-Open No. 1 112950
- This conventional method is a method for enhancing the coffee flavor, and does not disclose a method for creating a new coffee flavor.
- the present invention has been made in view of the above circumstances, and it does not cause an increase in raw material cost, and a novel microorganism that can be fermented without particularly restricting fermentation conditions.
- the present invention provides a method for treating green coffee beans using the above-mentioned novel microorganisms, which can impart a new high quality strawberry flavor to a coffee beverage by a simple operation without requiring a new processing step.
- a first characteristic configuration of the present invention is a method for treating green coffee beans, which includes a fermentation step in which microorganisms are brought into contact with an assimilation component in the presence of green coffee beans and fermented, and used in the fermentation step.
- This is a method for treating green coffee beans, which are microorganisms belonging to the genus Geotrichum.
- the microorganism belonging to the genus Geotrichum is a group force of Geotrichum candidum, Geotrichum rectangulatum, and Geotrichum kle bahnii. At the point to be selected.
- the third characteristic configuration of the present invention is that the microorganism belonging to the genus Geotrichum is a new strain of Geotrichum sp. Having an international deposit number of FERM BP-10300 or a variant thereof, or a transformation thereof. The point is the body.
- the fermentation process is performed in the presence of coffee fruit. It is in the process of fermenting the product.
- a fifth characteristic configuration of the present invention is that the coffee fruit is subjected to fermentation treatment by directly contacting microorganisms.
- a sixth characteristic configuration of the present invention is a green coffee bean obtained by the processing method according to any one of claims 1 to 5.
- a seventh characteristic configuration of the present invention is a coffee roasted bean obtained by roasting green coffee beans as defined in claim 6.
- An eighth characteristic configuration of the present invention is a coffee beverage obtained by using the roasted coffee beans described in claim 7 as a raw material.
- the ninth feature of the present invention is that it is a new strain of Geotrichum sp. Having an international deposit number of FERM BP-10300, a mutant thereof, or a transformant thereof.
- a new flavor component can be easily imparted to the green coffee beans by a simple operation.
- Green coffee beans have the property of absorbing water in preparation for germination, and certain microorganisms, such as yeast, decompose alcohols and organic acids by decomposing (fermenting) organic compounds (assimilation components). It is known that esters and the like (hereinafter referred to as fermentation components) can be produced.
- a microorganism belonging to the genus Geotrichum is used in the fermentation step. Unlike the case of using the koji mold (genus Aspergillus) in the prior art, this microorganism can use green coffee beans of normal particle size without the need to grind green coffee beans during fermentation. .
- fermentation cultivation
- there are no particular restrictions on fermentation (cultivation) conditions such as the pH and temperature of the culture solution. For example, normal and simple fermentation conditions (for example, coffee fruits (raw coffee beans and pulp (utilized components))
- the above microorganisms are added to a fermentor containing water and mixed and fermented at 20 ° C to 30 ° C). Therefore, according to the present invention, a new flavor component can be easily imparted to green coffee beans by a simple operation.
- Geotrichum candidum belonging to the genus Geotrichum, Geotrichum rectangulatum, or Geotrichum rectangulatum When fermented using Lever (Geotrichum klebahnii), it is possible to add a new flavor component (fermented component) to green coffee beans, even if using V, miscellaneous microbe, In particular, by using green coffee beans obtained using the above microorganisms as raw materials, it is balanced with the conventional coffee flavor produced in the roasting process (alcohol smell is suppressed) and rich and rich. Roasted coffee beans (or coffee drinks) that have a fresh scent and give a bodily taste.
- the microorganism having the international deposit number F ERM BP-10300 in the method for processing green coffee beans according to the third characteristic configuration of the present invention is a product of Geotrichum sp. (Geotrichum sp. ).
- Geotrichum sp. Geotrichum sp.
- new strains or mutants thereof, or transformants thereof can be appropriately used.
- mutants include spontaneous mutations or artificially induced mutations (treatment with radiation or mutagen), and transformants include new strains or mutants with foreign genes. Introduced It is possible to isolate and use a strain having a more excellent fermentative ability (or having features such as easy handling).
- the coffee fruit in the method for processing green coffee beans according to the fourth characteristic configuration of the present invention refers to a fruit of a succulent plant called a coffee tree, and its structure is most inward. It consists of green coffee beans that are present, the surrounding coffee pulp, and the outer skin that surrounds the coffee pulp.
- the coffee pulp (part containing sugar and other nutrients) mainly contained in the coffee fruit is used as the assimilation component, so that the raw material cost that does not require the preparation of an external assimilation component increases. There is no fear.
- the present invention can be applied during the purification process for separating and recovering coffee fruit strength, it is necessary to provide a new process for extracting and adding coffee flavor components, unlike the conventional technique. A new flavor can be imparted to green coffee beans easily.
- the green coffee bean according to the sixth characteristic configuration of the present invention includes a new flavor component (fermented component) produced by fermentation of a microorganism belonging to the genus Geotrichum.
- the roasted coffee beans according to the seventh characteristic configuration of the present invention are produced by fermentation of microorganisms belonging to the genus Geotrichum in addition to the conventional coffee flavor components produced in the roasting process. Contains new flavor ingredients (fermentation ingredients).
- the coffee beverage according to the eighth characteristic configuration of the present invention includes, in addition to the conventional coffee flavor component, a new flavor component (fermentation component) generated by fermentation of microorganisms belonging to the genus Geotrichum.
- a new flavor component generated by fermentation of microorganisms belonging to the genus Geotrichum.
- a high-quality fragrance derived from the body (taste with a rich and rich esthetic fragrance that is balanced with the conventional coffee flavor produced in the roasting process) It is a coffee drink.
- the microorganism is a new strain of Geotrichum sp. That has been separated by coffee fruit strength by the present inventors.
- the new strain of the present invention can impart a new flavor component (fermented component) to green coffee beans by bringing it into contact with an appropriate assimilation component and fermenting in the presence of green coffee beans.
- this invention includes a new strain or its variant, or those transformants.
- the mutant of the present invention may be, for example, a spontaneous mutant, or can be obtained by artificially inducing a mutation (treatment with radiation or a mutant substance).
- a transformant can be obtained by introducing an expression vector incorporating a foreign gene into the new strain or a mutant thereof according to a standard method.
- the microorganism that can be used in the present invention is a microorganism belonging to the genus Geotrichum, preferably Geotrichum candidum, Geotrichum rectangulatum, or Geotrichum klebahnii. More preferably, it is a new strain (SA M2421) of Geotrichum sp. Having an international deposit number of FERM AB P-10300, a mutant thereof, or a transformant thereof.
- Isolation sources that can isolate microorganisms belonging to the genus Geotrichum of the present invention include soil, plants, aerial, fiber, wood, house dust, feed, rivers, silage, food, fruit, cereals, Examples include fertilizer, industrial wastewater, compost, excrement, and digestive tract, but fruit (coffee fruit) is preferable.
- mutant in the present invention refers to a spontaneous mutation or artificially sudden change.
- wild-type DNA Gatrichum sp. With international deposit number FERM BP-10300, including those obtained by inducing mutations (treatment with radiation, mutant substances, etc.) This is a change from the new strain (SAM2421)).
- spontaneous mutations Mutations that occur when microorganisms are growing normally under normal circumstances are called spontaneous mutations.
- the main causes of spontaneous mutations are considered to be errors during DNA replication and endogenous mutagens (nucleotide analogs) (Maki, “Natural Mutation and Repair Mechanism”, Cell Engineering) Vol. 13 No. 8, pp. 663-672, 1994).
- Radiation treatments such as ultraviolet rays and X-rays, or artificial mutagen treatments such as alkylating agents can damage DNA. The damage is suddenly fixed in the mutation during DNA replication.
- PCR Since PCR amplifies DNA in a test tube, it lacks a part of the intracellular mutation suppression mechanism and can induce mutations at high frequency.
- the gene shuffling method (3 ⁇ 4temmer, Rapid evolution of a protein in vitro by DNA snufflin ", Nature Vol. 370, pp. 389-391, Aug. 1994;) Avoid accumulation and accumulate multiple beneficial mutations in the gene.
- the mutation suppression mechanism keeps the rate of spontaneous mutations at a very low level.
- This mutation suppression mechanism has multiple stages involving more than 10 genes. Individuals with one or more of these genes destroyed are called mutators because they frequently mutate. These genes are also called mutator genes (Maki, “Natural Mutation and Repair Mechanism”, Cell Engineering Vol. 13 No. 8, pp. 663-672, 1994; Horst et. Al., "Escherichia coli mutator genes", Trends in Microbiology Vol. 7 No. 1, pp. 29-36, Jan. 1999).
- the transformant referred to in the present invention refers to a new strain of the present invention (Geo trichum sp. Having an international deposit number of FERM BP-10300). ) Or its artificially introduced into the mutant and expressed.
- a production method for example, a foreign gene is incorporated into an appropriate expression vector, and the expression vector is introduced by a known method such as an electroporation method, a calcium phosphate method, a ribosome method, or a DEAE dextran method.
- various flavors can be added by selecting the type of microorganism belonging to the genus Geotrichum and the fermentation conditions. Therefore, a microorganism strain to which a desired V-flavor can be added can be appropriately selected and used.
- the amount of the microorganism used in the present invention is not particularly limited as long as the effect of addition of flavor is obtained, but can be appropriately set in consideration of the culture time and cost.
- a wet weight of about 1 to LOOmg per 100g of green coffee beans is appropriate.
- the coffee fruit in the present invention means the fruit of coffee tree, and generally speaking, the coffee beans (seed), the pulp (part containing sugar and other nutrients), and the hull strength. More specifically, green coffee beans are present on the innermost side, and the surrounding areas are covered with silver skin (silver skin), inner skin (parchment), pulp, and outer skin, respectively. As the product types, arabic, Robusta, and Riberica varieties can be applied, and Brazil, Ethiopia, Vietnam, Guatemala, etc. can be applied to the production areas. It is not something.
- the assimilation component used in the fermentation process of the present invention examples include fruit pulp, fruit juice, sugar, medium, and the like, preferably coffee pulp.
- the coffee pulp means all parts of the coffee fruit (whether undried or dried) except for the green coffee beans and hulls.
- the coffee pulp may be in the form of coffee fruit that has not undergone a refining process, or may be used in the state of pulp obtained when separated from green coffee beans in the refining process. Is possible. Further, the coffee pulp may be undried or dried. It is not limited to coffee pulp, but other pulps such as grape pulp, cherry pulp, and strawberry pulp can be used as needed, and these pulps including coffee pulp can be used alone or in some cases. , Can be used in any combination.
- Assimilation components other than the above-mentioned pulp include fruit juice (eg, grape, peach, apple, etc.), sugar
- sugarcane is a monosaccharide, disaccharide, polysaccharide, etc. that can be used for plant power such as sugarcane), cereals (for example, wort obtained by saccharification of malt), medium, etc., but microorganisms can be assimilated. It is not particularly limited as long as it is a component, and these assimilation ingredients including pulp may be used alone or in any combination.
- a method of exposing the coffee pulp to at least a part of the coffee fruit surface may be used to increase the fermentation rate.
- the harvested coffee fruit may be scratched with a sharp blade or the like, or pressure is applied to the coffee fruit so that the outer skin is cut using a threshing device or the like. It ’s okay, but at this time, the green coffee beans inside should not be damaged.
- a peeler or the like may be used to peel only the outer skin of the coffee fruit to expose the pulp. It should be noted that when the coffee fruit is harvested, it is not necessary to perform the above-described pulp exposing operation for those that are accidentally damaged and at least part of the pulp is exposed. Also, when using coffee pulp obtained when separated from green coffee beans in the refining process, fermentation is performed by adding coffee green beans separately, which does not require the above-described operation of exposing the pulp.
- Method of contact between microorganism and assimilation component for the present invention, in the fermentation process!
- Examples of the method of bringing the microorganism into contact with the assimilating component include the following methods.
- the direct method is a method in which a microorganism is brought into direct contact with an assimilated component in the presence of green coffee beans.
- the microorganisms are sprayed or sprayed on the coffee fruit (or a mixture of coffee pulp and green coffee beans obtained when separated from green coffee beans in the refining process) with at least partly exposed coffee pulp.
- direct contact and ferment In direct contact and ferment.
- the assimilated sugar and other components are localized at a high concentration in the pulp so that fermentation proceeds efficiently and green coffee beans are present in the immediate vicinity. Therefore, fermentation components such as alcohols and esters produced by fermentation can quickly migrate into green coffee beans.
- the direct method can be suitably used.
- a fermenter equipped with a fermented liquid is prepared, and green coffee beans, assimilated components, and microorganisms are added to the fermented liquid, and the microorganisms are brought into contact with the assimilated components that can be eluted in the fermented liquid.
- assimilated components that can be eluted in the fermented liquid.
- microorganisms and coffee fruits that have at least partially exposed the coffee pulp (or a mixture of coffee pulp and fresh coffee beans obtained when separated from green coffee beans in the refining process) in the fermentation broth. Add and ferment.
- the conditions for fermentation of microorganisms are not particularly limited as long as the conditions allow fermentation to be performed, and conditions suitable for fermentation (for example, the type of microorganism used, the amount of bacteria (initial number of bacteria), and utilization)
- the type and amount (concentration), temperature, humidity, PH, oxygen or carbon dioxide concentration, fermentation time, etc.) of the components can be appropriately set.
- additives such as pH adjusters and commercially available nutrient media for supplementing nitrogen sources and carbon sources can be supplementarily added as necessary. .
- the conditions such as temperature, pH, diacid carbon concentration, etc. may be controlled and fermented.
- the conditions such as temperature, pH, diacid carbon concentration, etc.
- fermentation can be performed in a low-temperature environment that can suppress the growth of other bacteria such as 15-30 ° C, and pH adjusters (taenoic acid, malic acid, lactic acid, etc.) can be added as necessary.
- More anaerobic can be fermented under pH conditions that can suppress the growth of other bacteria, or increase the carbon dioxide concentration (or oxygen concentration) to suppress the growth of other bacteria.
- fermentation may be performed under aerobic conditions.
- the above fermentation conditions for example, the type of microorganism used and the amount of bacteria (initial number of bacteria), the type and amount (concentration) of assimilation components, temperature, humidity , PH, oxygen or carbon dioxide concentration, fermentation time, etc.
- a thermostatic bath, tank or storage that can be controlled automatically and Z or manually.
- the time required for the fermentation process is not limited, and may be appropriately selected depending on the quality and strength of the added flavor, or depending on the microorganism assimilation component.
- the fermentation process may be completed with reference to the assimilation of the assimilated component.
- the microorganism is pre-cultured to prepare a suspension thereof. Specifically, the microorganism is aerated in an appropriate liquid medium, and after culturing, the culture is centrifuged to remove the supernatant, and the resulting pellet (microorganism mass) is suspended in sterile water.
- a fermentation process can be performed during the purification process of green coffee beans.
- Coffee fruit strength There are two known refining processes to obtain green coffee beans: non-washed and washed.
- the non-washing method is a method of harvesting coffee berries and then drying them as they are to thresh to remove husks, pulp, inner skins, silver skins, etc. to obtain green coffee beans.
- Non-washing purification processes are easy to operate, but are mainly applied in areas where the climate is dry. On the other hand, the washing-type refining process is mainly applied in rainy areas.
- the washing-type purification process for example, when coffee berries are harvested, a surface of the coffee flesh is exposed using a knife or the like to partially expose the coffee flesh, and then submerged in a water tank to remove impurities.
- the microorganisms (suspension) are added together to a water tank (fermenter) by the above indirect method and fermented. Since the flesh is exposed with scratches, sugars and other components (assimilation components) in the flesh are likely to elute into the aquarium, facilitating fermentation by microorganisms.
- the above-mentioned direct method or indirect It is also possible to carry out fermentation by the law.
- the present invention may also be fermented by the above-mentioned direct method by exposing the pulp while growing on the tree before the coffee fruit is harvested.
- the coffee berries are washed away with microorganisms with water or the like and separated, or the microorganisms are left attached and the pulp is removed and threshed according to the normal purification process. Green coffee beans are separated (1 or 2 coffee beans are collected from 1 coffee fruit).
- the coffee beans thus separated can be roasted by a usual method, and various roasted coffee beans (light roast to Italian roast) having different roasting degrees can be obtained. Can do.
- the obtained roasted coffee beans can be used for drinking as regular coffee by pulverizing and adding water, filtering and extracting with a filter medium, and instant coffee, coffee extract, canned coffee as industrial raw materials. It can be used for such as.
- the present invention will be described in detail with reference to examples. The present invention is not limited to these.
- the SAM2421 strain that can be suitably used in the present invention was isolated by the following method. Coffee fruit was tested as one of the sources of microbial isolation. Five coffee fruits (Okibashi Prefecture) and 5 ml of sterilized water were placed in a test tube and stirred with a vortex mixer. The supernatant was used as it was, and was diluted 100-fold onto a YM agar medium supplemented with chloramphee-coal ⁇ m at two concentrations, diluted 1000-fold. After incubation at 23 ° C for 4 days, 5 colonies were isolated as a result. These five strains were aerated for 3 days at 27 ° C using YM medium or red koji concentrate (mast). After centrifuging (3000 rpm, lOmin) and removing the supernatant, the pellets of each of the five strains were suspended in water to obtain five suspensions.
- Coffee fruit was tested as one of the sources of microbial isolation. Five coffee fruits (Okibashi
- each fermented coffee fruit is taken out of the fermented liquid, drained, dried in a dryer at 55 ° C for 48 hours, and then the pulp and hull are removed.
- Five types of green coffee beans were obtained. 100 g of each of the obtained green coffee beans was roasted by a deep roast button operation using a fully automatic coffee beans roaster (CRPA-100 Tortoise Co., Ltd.) for home use. Roasting time was about 25 minutes.
- NCBI http: z Zwww. Ncbi. Nl m is a gene database for the partial base sequence of the 18S rDNA gene (ITS4 region and ITS5 region).
- ITS4 region and ITS5 region are a gene database for the partial base sequence of the 18S rDNA gene (ITS4 region and ITS5 region).
- nih.gov the result of BLAST homology search is registered in the database. It was 97% homologous to Galactomyces geotrichum (Glassoptera), and 96% homologous to Geotrichum candidum.
- the base sequences of the sequenced ITS4 region and ITS5 region are shown in SEQ ID NO: 1 and SEQ ID NO: 2 in the following sequence table, respectively.
- Odor Strong, fermented odor, sweet candy, odor.
- Mycelia partition walls, colorless, and conidia segmented as the mycelium develops. The child was not confirmed.
- Galactomyces is a full-generation name and is classified as a baby fungus. The above strain isolated this time was developed as a mycelium on a slide glass, and it was determined that it was a strain belonging to the genus Geotrichum because it was not observed.
- the isolated strain was identified as a microorganism belonging to the genus Geotrichum, which is classified as an incomplete fungus, and named Geotrichum sp. SAM 2421. Deposited internationally at the Research Center for Biological Biology (deposit number: FERM BP-10300).
- the fermented coffee fruit was taken out from the fermented liquid, drained, and then dried in a dryer at 55 ° C for 48 hours, and then peeled to obtain six types of green coffee beans.
- lOOg was roasted by a deep roasting button operation with a home-use fully-automated coffee beans roaster (CRPA-100 Tortoise Co., Ltd.). Roasting time was about 25 minutes.
- Aroma components were analyzed using gas chromatography (GC). Each of the 6 types of roasted beans obtained in Example 2 was put into a GC sample tube in the same shape without being crushed, and the gas in the headspace was measured. In addition to the experimental samples, Brazilian Santos beans (roasted beans) (No. 2) (referred to as Brazilian in the following table) were used.
- the instrument is ⁇ Agilent 7694 Headspace Sampler '' ⁇ Agilent 6890 GC
- Table 2 shows the analysis results of esters and alcohols characteristic of the fermentation treatment process. Methyl acetate, ethyl acetate, and ethanol are also detected in Brazilian Santos beans (roasted beans), but are significantly detected in wine yeast and samples fermented with various strains of the genus Geotrichum. It was done. In the wine yeast sample, the alcohol smell was strong, the brewing aroma was increased, and the tolerance was broken, as well as the prominence of the above three components.
- a coffee extract was prepared using each of the six types of roasted beans obtained in Example 2 above. Each roasted bean was finely ground, and lOOg of hot water was added to 12 g of the ground beans and stirred. According to the cup test standard method, the floated coffee was removed, and the supernatant was subjected to sensory evaluation. Conducted by 5 panelists specializing in coffee. There were five evaluation items: fragrance (brewing fragrance, ester fragrance, alcoholic odor) and taste (bitterness, body feeling). The evaluation results are shown in Table 3 below. As a control group, a fermented liquor of wine yeast was used. A control score of 3 was assigned to indicate that a larger number is stronger and a smaller number is weaker. Expressed as the average value of evaluation points.
- Example 4 Each extract 1 Oml obtained in Example 4 was placed in a GC sample tube for GC analysis. Other measurement conditions were in accordance with the method of Example 3 described above. Results in the table below Shown in 4.
- GEO CA (Item No. 200691), GEO CB (Item No. 200692), GEO CDl (Geotrichum candidum), which is sold as a starter in cheese manufacture by Christian Hansen 4 strains of item number 200693) and GEO CE (item number 200835) were used.
- Wine yeast (L2323) was used as a control group.
- each of these five strains was weighed out to 0.1 lg, suspended in water, and further diluted with water to make 1000 ml.
- a Erlenmeyer flask 5000 ml volume
- each of the diluted solutions lOOOOmL and coffee fruits lOOOOg were added and fermented. Fermentation was carried out for 72 hours in a constant temperature room maintained at 23 ° C. As fermentation progressed, it began to grow in the form of mycelium on the surface of the fruit suspension, and film formation was observed. At the same time, the fermentation broth had a characteristic flavor.
- Example 2 Remove the fermented coffee fruit from the fermentation broth, drain it, and then use a dryer at 55 ° C for 48 hours. After drying for a while, the peel was removed to obtain 5 types of green coffee beans. Of each of the obtained coffee beans, lOOg was roasted by a deep roasting button operation using a fully automatic home roasting machine (CRPA-100 Tortoise Co., Ltd.). Roasting time was about 25 minutes. Next, sensory evaluation was performed according to the method of Example 2 (Table 5).
- a coffee extract was prepared using each of the roasted beans. Each roasted bean was thinned, and 100 g of hot water was added to 12 g of ground beans and stirred. The obtained coffee extract was subjected to sensory evaluation according to the method of Example 4 (Table 6).
- the water was drained, and then dried for 48 hours in a 55 ° C dry heat oven, and then the skin was removed to obtain green coffee beans.
- 100 g was roasted by a deep roasting button operation with a home-use fully automatic roasting machine (CRPA-100 Tortoise Co., Ltd.). Roasting The time was about 25 minutes.
- roast beans were crushed as they were without being crushed into a special sensory glass and covered with a glass lid. During the sensuality, the lid was moved, and four types of brewing incense, esthetic scent, roasting incense, and alcohol odor were evaluated.
- roasted beans roasted beans obtained in Example 2 fermented by the indirect method using SAM2421 strain were used. By indicating that larger numbers are stronger and smaller numbers are weak, 1 to 5 points were evaluated in increments of 0.1. It was expressed as the average of the evaluation scores of five people. Table 7 shows the results.
- a coffee extract was prepared using the roasted beans.
- the roasted beans were thinned and lOOg of hot water was added to 12 g of ground beans and stirred.
- the floated coffee was removed and the supernatant was subjected to sensory evaluation. Conducted by 5 panelists specializing in coffee. There were four types of evaluation items: fragrance (brewed incense, esthetic perfume) and taste (bitterness, body feeling).
- a coffee extract (coffee extract obtained in Example 4) obtained from roasted beans fermented by the indirect method using SAM2421 strain was used. Larger numbers were stronger, and smaller numbers were weaker. We evaluated points from 1 to 5 in increments of 0.1. The average value of the evaluation points is shown. The results are shown in Table 8.
- the obtained roasted beans were analyzed by gas chromatography according to the method of Example 3.
- the total peak area of roasted beans by the direct method was 1.6 times that of the control group by the indirect method.
- the direct method can efficiently impart a high-quality flavor without breaking the nourishment.
- the present invention includes a variety of products (regular coffee, instant coffee, canned coffee), including coffee fruit processing, such as refined roasting, and coffee beans processed by the present invention. , Coffee roma, etc.) and is also very useful in the coffee beverage manufacturing industry, and can contribute to the further development of such industries
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DE602006014267T DE602006014267D1 (de) | 2005-03-24 | 2006-03-24 | Neuer mikroorganismus und verfahren zur aufbereitung von grünen kaffeebohnen, bei dem dieser eingesetzt wird |
EP06729913A EP1880614B1 (en) | 2005-03-24 | 2006-03-24 | Novel microorganism and method of processing green coffee beans by using the same |
US11/886,787 US8343558B2 (en) | 2005-03-24 | 2006-03-24 | Microorganism and method of processing green coffee beans using the same |
JP2007509344A JP4871857B2 (ja) | 2005-03-24 | 2006-03-24 | 新規微生物及び当該微生物を用いたコーヒー生豆の処理方法 |
BRPI0609721-9A BRPI0609721A2 (pt) | 2005-03-24 | 2006-03-24 | método para processar grãos de café verdes, grãos de café verdes e de café torrados, bebida de café e microorganismo |
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JP2007000140A (ja) * | 2005-05-25 | 2007-01-11 | Suntory Ltd | 乳酸菌を用いたコーヒー生豆の処理方法 |
WO2008062886A1 (en) * | 2006-11-20 | 2008-05-29 | Suntory Holdings Limited | Method of treating coffee cherries, green coffee beans, roasted coffee beans, and coffee drink |
US8343558B2 (en) | 2005-03-24 | 2013-01-01 | Suntory Holdings Limited | Microorganism and method of processing green coffee beans using the same |
US8545910B2 (en) | 2005-03-24 | 2013-10-01 | Suntory Holdings Limited | Method of processing green coffee beans by using surface-treated coffee cherries |
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Also Published As
Publication number | Publication date |
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TW200719833A (en) | 2007-06-01 |
CN101040652B (zh) | 2011-01-05 |
US8343558B2 (en) | 2013-01-01 |
EP1880614A4 (en) | 2009-01-28 |
BRPI0609721A2 (pt) | 2010-04-20 |
JP4871857B2 (ja) | 2012-02-08 |
EP1880614B1 (en) | 2010-05-12 |
DE602006014267D1 (de) | 2010-06-24 |
US20090226568A1 (en) | 2009-09-10 |
JPWO2006101195A1 (ja) | 2008-09-04 |
EP1880614A1 (en) | 2008-01-23 |
CN101040652A (zh) | 2007-09-26 |
US20100150890A1 (en) | 2010-06-17 |
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