WO2005029969A1 - コーヒー生豆の処理方法 - Google Patents
コーヒー生豆の処理方法 Download PDFInfo
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- WO2005029969A1 WO2005029969A1 PCT/JP2004/013793 JP2004013793W WO2005029969A1 WO 2005029969 A1 WO2005029969 A1 WO 2005029969A1 JP 2004013793 W JP2004013793 W JP 2004013793W WO 2005029969 A1 WO2005029969 A1 WO 2005029969A1
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- coffee
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- beans
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- green coffee
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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
- A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
- A23F5/246—Addition of, or treatment with, enzymes or microorganisms
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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
-
- 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
- A23F5/24—Extraction of coffee; Coffee extracts; Making instant coffee
- A23F5/243—Liquid, semi-liquid or non-dried semi-solid coffee extract preparations; Coffee gels; Liquid coffee in solid capsules
Definitions
- the present invention relates to a method for treating green coffee beans, roasted coffee beans obtained by roasting green coffee beans obtained by the method, and coffee drinks obtained from the roasted coffee beans. About.
- Coffee beans are seeds (coffee seeds) obtained through a process of removing pulp and thin skin (refining process) from the fruit of a plant belonging to the family Akaneaceae (called coffee fruit or coffee cherry) called coffee tree. , And the beans that made it. Of these, coffee beans before the roasting step, which is the process of heating and roasting coffee beans, are called green coffee beans, and coffee beans after the roasting step are called roasted coffee beans.
- a coffee beverage as an extract is obtained by adding an undiluted extraction solution such as hot water or water to a crushed product of the roasted coffee beans and filtering and extracting the extract with a filter material such as a filter cloth or a mesh.
- an undiluted extraction solution such as hot water or water
- a filter material such as a filter cloth or a mesh.
- Patent Document 1 JP-A-1-112950 (see page 1)
- Patent Document 1 According to the method disclosed in Patent Document 1, a step of adding the extracted flavor component to coffee products such as coffee beans is required, and thus the consumption of coffee beans increases. In addition to the high cost, it takes time to improve the flavor of the coffee beans.
- ground coffee beans since koji mold is inoculated into ground coffee beans, it is difficult to separate ground coffee beans and koji mold.
- the strength of the ground coffee beans is after the flavor components have been extracted, and the resulting coffee beverage is considered to have reduced flavor.
- the ground coffee beans are used for coffee beverage extraction. It is not possible.
- an object of the present invention is to provide a method for treating green coffee beans, which can easily obtain flavorful coffee beans having a unique aroma by easily improving the flavor of the green coffee beans. .
- the first characteristic configuration of the method for treating green coffee beans according to the present invention for achieving the above object is as follows: green coffee beans, which are uncrushed seeds derived from coffee fruits, microorganisms, and resources assimilated by the microorganisms. In that it has a fermentation process in which it is brought into contact with the
- Example 2 After performing a fermentation step in which green coffee beans, microorganisms, and assimilable components were brought into contact with each other to perform fermentation, an experiment was conducted to examine the effect on the flavor of green coffee beans. The results are shown. The experiment was performed by absorbing a microorganism (yeast) suspension into dried coffee fruit. Here, the coffee fruit has green coffee beans and coffee pulp as an assimilating component. Therefore, the coffee pulp is assimilated by microorganisms.
- a microorganism microorganism
- coffee seeds have a property of absorbing water in preparation for germination.
- yeasts and other microorganisms have the ability to assimilate them in the presence of carbon and nitrogen sources, and are known to produce alcohols and esters by sugar metabolism or amino acid metabolism. I have.
- a second characteristic configuration of the method for treating green coffee beans according to the present invention is that green coffee beans, which are uncrushed seeds derived from coffee fruit, are contacted with microorganisms, and assimilable components assimilated by the microorganisms. The point is that after the fermentation step of fermentation, a separation step of selecting only the fermented green coffee beans is performed.
- a third characteristic configuration of the method for treating green coffee beans according to the present invention is that, after contacting green coffee beans, which are uncrushed seeds derived from coffee fruit, with assimilable components assimilated by the microorganism, It has a fermentation step of contacting microorganisms.
- a fourth characteristic configuration of the method for treating green coffee beans according to the present invention is that, after contacting the microorganism with an assimilable component assimilated by the microorganism, the coffee green as unmilled seeds derived from coffee fruit. It has a fermentation step of contacting beans.
- a fifth characteristic configuration of the method for treating green coffee beans according to the present invention is that the green coffee beans, which are uncrushed seeds derived from coffee fruits, are contacted with microorganisms and assimilable components assimilated by the microorganisms.
- a sixth characteristic configuration of the method for treating green coffee beans according to the present invention is that green coffee beans, which are uncrushed seeds derived from coffee fruit, are contacted with microorganisms, and assimilable components assimilated by the microorganisms.
- a seventh characteristic configuration of the method for treating green coffee beans according to the present invention is that, in addition to the sixth characteristic configuration, the pulp is coffee pulp and the coffee pulp is in a dry state.
- An eighth characteristic configuration of the method for treating green coffee beans according to the present invention is that a coffee fruit having green coffee beans and coffee pulp is brought into contact with microorganisms that assimilate the coffee pulp to perform fermentation treatment.
- a ninth feature of the method for treating green coffee beans according to the present invention is that, in addition to the eighth feature, the coffee fruit is in a dry state.
- a tenth aspect of the method for treating green coffee beans according to the present invention is that, in addition to the fifth aspect, the yeast is a yeast for brewing.
- An eleventh characteristic configuration according to the present invention includes a fermentation step of contacting green coffee beans, which are uncrushed seeds derived from coffee fruit, microorganisms, and assimilative components assimilated by the microorganisms to perform fermentation.
- Roasted coffee beans obtained by roasting the green coffee beans treated by the method for treating green coffee beans.
- Example 3 green coffee beans treated by the method for treating green coffee beans of the present invention are roasted, and sensory evaluation and component analysis of the obtained roasted coffee beans are performed.
- the roasted coffee beans obtained the following results when all of the esters, alcohols, and the total amount of flavor components were increased (Table 5).
- a coffee beverage obtained by pulverizing the roasted coffee beans described in the eleventh feature, adding water thereto, and filtering and extracting the coffee beans with a filter medium.
- Example 3 green coffee beans treated by the method for treating green coffee beans of the present invention are roasted, and the obtained roasted coffee beans are pulverized and hydrated, and filtered and extracted with a filter medium.
- the sensory evaluation and the component analysis of the coffee beverage (drip extract, canned black coffee) obtained by this method are performed.
- the method for treating green coffee beans according to the first characteristic configuration of the present invention in order to add a good flavor component, for example, an extracted flavor component is added to another coffee bean or the like. Since no labor such as steps is required, the flavor of the coffee beans can be easily improved. In other words, the fermentation step allows a favorable flavor to be directly added to the green coffee beans. That is, it is possible to provide a method for treating coffee beans, which makes it easy to obtain flavorful coffee beans having a unique aroma.
- the green coffee beans used in the fermentation step are not crushed, so that separation from microorganisms is easy.
- the fermented green coffee beans can be easily selected in the separation step, whereby green coffee beans with a favorable flavor can be obtained, and further, coffee with improved flavor can be obtained. It can be provided as raw beans.
- the green coffee beans selected in the separation step can be distributed in the form of unground coffee beans, so that the flavor can be easily maintained over a long period of time, which has a wide application range as a product. Become.
- the fermentation step can be started at a desired time because the start time of the fermentation step can be the contact time with microorganisms. It will be easier.
- an additive such as a pH adjuster is added, or stored in a state where the green coffee beans are brought into contact with the assimilable components. It can be stored and transported.
- this method for treating green coffee beans is a suitable treatment method when it is necessary to perform various treatments before starting the fermentation step.
- the fermentation step can be carried out by bringing the assimilable components and microorganisms into contact in advance in a fermentation tank or the like, and then bringing the green coffee beans into contact therewith.
- the assimilable components and the microorganisms are brought into contact with each other in advance, and the green coffee beans are brought into contact with them at a desired timing.
- This is a suitable treatment method for performing a fermentation step in a complete cycle, in which the contact of beans is stopped and another green coffee bean is brought into contact with assimilable components and microorganisms.
- the assimilable component and the microorganism can be brought into contact with each other in advance, if the assimilated component is brought into contact with the green coffee bean after being stirred, etc., the green coffee beans and the assimilable component and the microorganism can be mixed.
- the contact condition is good. Therefore, it is a suitable treatment method when it is desired to bring the green coffee beans into contact with the assimilable components and the microorganisms substantially uniformly.
- yeast, lactic acid bacteria, and mold are generally easily available and easily handled, so that they can be easily produced.
- a fermentation step can be performed.
- the flavor components added by fermentation of each microorganism are considered to be different from each other, so that the range of flavors that can be added to green coffee beans is widened.
- the assimilable component may be a pulp, a juice, a saccharide, a cereal, and at least one selected from the group consisting of medium and medium. Therefore, a desired flavor component to be added to the green coffee beans can be appropriately selected as described above, so that the range of flavors that can be added is widened.
- the coffee pulp which is a by-product obtained in the purification step for obtaining green coffee beans, can be suitably used. it can. Therefore, the coffee pulp obtained in the refining process can be effectively used without discarding, and the assimilable components can be promptly procured.
- a coffee fruit having coffee pulp as an assimilating component can be brought into contact with microorganisms to undergo a fermentation step.
- the fermentation process can be performed at the site where the coffee fruit was collected, and there is no need to separately procure assimilable components.
- the coffee berries are dried, the coffee berries having excellent transportability and storage stability can be used.
- the place and timing of performing the process can be appropriately selected.
- brewer's yeast such as yeast for wine fermentation or yeast for beer fermentation that has been used in food is used.
- the fermentation step can be performed using microorganisms having excellent safety.
- roast coffee beans according to the eleventh aspect of the present invention good flavor is added by using the green coffee beans obtained by the processing method described in the first aspect. Roasted coffee beans can be provided.
- the coffee beverage according to the twelfth aspect of the present invention provides a coffee beverage to which a good flavor is added by using the roasted coffee beans described in the eleventh aspect. It comes out.
- the method for treating green coffee beans of the present invention involves contacting green coffee beans, which are uncrushed seeds derived from coffee fruit, microorganisms, and assimilable components assimilated by the microorganisms. And a fermentation treatment, and preferably, a separation step of selecting only the fermented green coffee beans.
- coffee fruit refers to the fruit of coffee tree, and generally speaking, it also has seeds (coffee seeds) and flesh power. Varieties of arabian breed, robusta, liberica, etc. are applicable, and the locality is Brazil, Ethiopia, etc. Although possible, there is no particular limitation.
- Coffee Fruit Strength One or two coffee seeds can be collected. Coffee seeds are obtained through a purification process that removes coffee fruit pulp and thin skin, and unroasted before roasting is called green coffee beans.
- Coffee fruit power There are two types of refining processes for obtaining green coffee beans, a non-washing type and a washing type.
- the non-water washing method is a method of harvesting coffee fruits, threshing the dried coffee fruits to remove pulp, thin skin, etc. to obtain green coffee beans.
- the non-washing type purification process is easy to operate, but is mainly applied in an area where the climate is dry.
- the washing type refining process is mainly applied in areas with heavy rain.
- the coffee berries used in the present embodiment are in an undried and dried state, and the weight ratio when one coffee green bean is defined as "coffee fruit (un Dry)
- the microorganism used in the present invention is not particularly limited as long as it can assimilate assimilable components.
- microorganisms include yeast, lactic acid bacteria, mold and the like.
- microorganisms are easily available and can be suitably used because of their easy handling.
- yeast As yeast, brewer's yeast such as wine-fermenting yeast and beer-fermenting yeast that have been used in food can be suitably used from the viewpoint of safety as food.
- Lalvin L2323 strain As a yeast for wine fermentation, for example, a commercially available dry yeast, Lalvin L2323 strain (hereinafter referred to as "Lalvin L2323" is used. Lower L2323: Seticampa-1), CK S102 strain (hereinafter, referred to as S102: Bio Springer) and the like can be used. Normally, L2323 is used for red wine brewing and S102 is used for rose wine brewing. When yeast is used in this way, a characteristic flavor such as brewing aroma can be added.
- the lactic acid bacterium is applicable as long as it is a known bacterium used for producing fermented milk, lactic acid bacteria drink, fermented cheese milk and the like.
- lactic acid bacteria of the genus Lactobacillus are preferably exemplified.
- As mold for example, Aspergillus oryzae used for producing fermented foods such as sake, shochu, miso, and soy sauce can be applied.
- various flavors can be added by selecting the type of microorganism and the growth conditions. Therefore, a microorganism to which a desired flavor can be added is appropriately selected and used.
- a microorganism to which a desired flavor can be added is appropriately selected and used.
- the selection of assimilating components is limited. It becomes.
- the water can be covered according to each suitable method.
- dry yeast it can be used by suspending it in water heated to 37-41 ° C for 20-30 minutes.
- the amount of the microorganism used in the present invention is not particularly limited as long as the effect of adding the flavor can be obtained, but can be appropriately set in consideration of the culture time and cost.
- per green coffee bean weight, yeast and lactic acid bacteria may have a density of 1.0 ⁇ 10 8 cells / g to 1.0 ⁇ 10 1 Q cells / g, and
- a suitable amount is 0.01 wt% 0.1 wt%.
- the assimilation component referred to in the present invention is not particularly limited as long as it is a component that can be assimilated by the microorganism described above.
- pulp, fruit juice, sugars, cereals, culture media and the like can be mentioned.
- Various flavors can be added by appropriately selecting assimilable components.
- pulp can be suitably used due to availability and the like.
- the pulp is a portion containing sugar and other nutrients around the fruit seeds.
- coffee pulp, grape pulp, cherry pulp, pulp, etc. can be applied.
- coffee pulp which is a by-product obtained in a refining process for obtaining green coffee beans can be suitably used. Therefore, the coffee pulp obtained in the purification step can be effectively used without discarding.
- the above-mentioned pulp may be raw pulp or dried one containing moisture. It is preferable to use dried coffee fruits in consideration of transportability and storage stability.
- sugars monosaccharides, disaccharides, polysaccharides and the like obtained from plants such as sugarcane and sweet potato can be applied.
- Worts obtained by saccharifying malt can be used as cereals.
- WL Nutrient Broth manufactured by Difco
- the mixing ratio of the green coffee beans and the assimilable components is not particularly limited as long as assimilation by microorganisms is possible. It can be set appropriately depending on the degree of flavor added to the green coffee beans.
- coffee pulp can be suitably used as an assimilating component, and therefore, coffee fruit having green coffee beans and coffee pulp as an assimilating component can be suitably used.
- the coffee beans can be treated by bringing the coffee fruit into contact with microorganisms. This eliminates the need to separately procure assimilable components, and enables rapid processing.
- the coffee fruit may be undried, it is preferable to use a dried coffee fruit in consideration of transportation and storage stability.
- a pH adjuster such as citric acid or malic acid, a commercially available nutrient medium for supplementing a nitrogen source or a carbon source, and the like can be supplementarily added.
- examples of the method for contacting green coffee beans, assimilable components, and microorganisms include the following methods.
- the fermentation conditions of the microorganism are not particularly limited as long as the fermentation is performed.
- the fermentation conditions of the microorganism may be appropriately set according to the microorganism utilization component to be applied.
- a microorganism fermentation step can be performed during the green coffee bean purification step.
- the coffee fruit may be harvested, contacted with microorganisms before drying, dried after fermentation.
- microorganisms should be brought into contact with the microorganisms at the same time as when they are submerged in a water tank to remove impurities, or before they are taken out of the water tank and coffee pulp is removed.
- the coffee fruit Before harvesting the coffee fruit, it may be grown on a tree and fermented in a roasted state! ,.
- the time required for the fermentation step is not limited, and may be appropriately selected depending on the quality and intensity of the flavor to be added, or on the microorganism-utilizing component. Further, the fermentation step may be terminated with reference to depletion of assimilable components.
- the fermentation step it is possible to combine the methods of sterilizing by heating, washing with water, drying in the sun, separating the assimilable components and green coffee beans, or roasting.
- the fermentation can be terminated by drying at 50-60 ° C for about one day.
- the raw coffee beans, assimilable components, and microorganisms are brought into contact with each other to undergo the fermentation step, and the flavor components generated by the metabolism of microorganisms (eg, yeast for brewing) in the fermentation step.
- microorganisms eg, yeast for brewing
- the green coffee beans to which a flavorful flavor is added according to the present invention are separated from assimilable components and microorganisms through a separation step of selecting only the fermented green coffee beans.
- any method can be used as long as it is a method of selecting only green coffee beans to which a flavor component has been added from a mixture of green coffee beans, assimilable components, and microorganisms (for example, washing with water). Is also applicable.
- the green coffee beans used in the fermentation step are not pulverized, and thus are easily separated from microorganisms.
- the green coffee beans thus separated can be roasted in a usual manner to obtain roasted coffee beans.
- the obtained roasted coffee beans can be pulverized, hydrated, filtered and extracted with a filter material to be used as a regular coffee for drinking, and as an industrial material, instant coffee, coffee extract, canned coffee and the like. It can be used for such purposes.
- the roasted coffee beans and coffee beverage obtained at this time were prepared by using roasted coffee beans and coffee beverages with good flavored green coffee beans as described in Example 3 below. Have a sufficiently good flavor. [0091] As described above, according to the present invention, it is possible to obtain green coffee beans to which a good flavor component is added. Further, the present invention can be used in combination with a conventionally known technology for improving the flavor of coffee beans. Monkey
- the coffee berries are (1) undried coffee berries (washed with arabic varieties from Okibashi)
- yeast two types of dried yeast (L2323 and S102 described above) were used.
- the silicon stopper has a gas permeability but does not have a water permeability. And when yeast assimilates the ingredients contained in coffee fruit and produces carbon dioxide
- yeast could be assimilated and grown using the coffee pulp as an assimilating component regardless of whether the coffee fruit was dried or undried.
- each coffee fruit in the flask was dried in a drier at 55 ° C. for 24 hours, and then the pulp and skin were removed to obtain 70-90 g of green coffee beans.
- a dried coffee fruit was allowed to stand at 55 ° C for about 1 day to be further dried to remove pulp and skin.
- the obtained green coffee beans were subjected to sensory evaluation and flavor component analysis.
- brewed incense is a fruity fermented aroma
- top note is the impression of the first aroma
- last note is the lingering scent
- blue smell is a vegetable smell
- "Off-flavor” refers to the inherent odor of coffee beans.
- Flavor components were evaluated using gas chromatography (GC). Each green coffee bean was placed in a sample tube for GC in the same shape without crushing, and 10 g each was placed in the headspace. Refit [, Agilent 7694 HeadspaceSamplerJ (manufactured by Agilent Technologies) and ⁇ Agilent 6890 GC System] (manufactured by Agilent Technologies) were used.
- the sample was introduced at 60 ° C for 30 minutes, split 5: 1, and the column used was HP-INNOWax (60mx X 0.25mm inner diameter, 0.25m film thickness).
- the temperature condition is 40 ° C for 4 minutes, and 220 ° C at 3 ° C / min. And kept at 230 ° C for 30 minutes.
- MSD and FID were used as the detector.
- esters are the peak areas of methyl acetate (retention time: 3.9), ethyl acetate (retention time: 6.3), and isobutylethyl (retention time: 15.7), which are characteristic of aroma. Were added.
- coffee seeds have a property of absorbing water in preparation for germination.
- yeasts and other microorganisms have the ability to assimilate them in the presence of carbon and nitrogen sources, and are known to produce alcohols and esters by sugar metabolism or amino acid metabolism. I have.
- the green coffee beans (coffee seeds), assimilable components and microorganisms are brought into contact and fermented. Then, it is considered that alcohols and esters produced by assimilation of microorganisms are absorbed into green coffee beans together with water. Since alcohols and esters act as flavor components, it is considered that the transfer of these components to the green coffee beans adds the flavor component to the green coffee beans.
- a unique flavor such as brewed aroma can be added through a fermentation step using yeast, which is a microorganism, and therefore, it is useful to perform the treatment using the method for treating green coffee beans of the present invention.
- yeast which is a microorganism
- Roasted coffee beans were prepared using the three types of green coffee beans (L2323 green beans, S102 green beans, and control green beans) obtained in Example 2.
- each green coffee bean is roasted for about 30 minutes at a temperature of about 150-200 ° C using a roaster (probat; Battery Sample Roaster BRZ2), and the L value (roasting degree) (Indicator) About 40-50 g of about 20 roasted coffee beans were obtained (L2323 roasted beans, S102 roasted beans, and control roasted beans, respectively).
- the evaluation method was performed in accordance with the method described in Example 2 except that the five items of brewed aroma, top note, last note, roasted aroma, and presence or absence of off-flavor were evaluated. The results are shown in Table 4. In addition, “roasted scent” indicates fragrance.
- Flavor components of each roasted coffee bean were evaluated using gas chromatography (GC).
- GC gas chromatography
- the sample tube for GC was filled with 5 g of each roasted bean and analyzed.
- the analysis was performed according to the method described in Example 2. Table 5 shows the results.
- Extracts were prepared using the above three types of roasted beans (L2323 roasted beans, S102 roasted beans, control roasted beans). Finely grind each roasted bean and add 270 g of hot water to 30 g of ground material. Then, drip extraction was performed to obtain about 200 g of the extract. The resulting three extracts are referred to as L2323 extract, S102 extract, and control extract, respectively. These extracts were subjected to sensory evaluation and component analysis.
- Sensory evaluation was performed by five panelists specializing in coffee sensuality.
- the six evaluation items were brewing aroma, bitterness, acidity, aftertaste, body feeling, and presence or absence of off-flavor.
- the rating of the control green beans was set to 1 and the evaluation of the control green beans was set to 3 in other items, and the higher numbers were stronger (good) and the lower numbers were weak (bad). Evaluation was performed in the following five stages, and the average of the evaluations indicated by each panelist was obtained. The results are shown in Table 6.
- body feeling indicates that the body drinks well and that the flavor swells.
- a fermented black coffee in cans was prepared using the above extract.
- the preparation was performed by filtering about 200 g of each extract with a paper filter, adding sodium bicarbonate to the filtered liquid, adjusting the pH to about 5.7, and adjusting the Brix to about 1.00 with water to 19 Og.
- the test was performed by filling in cans and sterilizing by retort (125 ° C, F value: 12).
- the obtained three types of canned coffee are referred to as L2323 canned coffee, S102 canned coffee, and control canned coffee, respectively.
- the flavor components added to the green coffee beans using the green coffee bean treatment method of the present invention are as follows. However, it was shown that it was not lost when roasted coffee beans or coffee beverages were used.
- roasted coffee beans and coffee beverages having a rich and rich flavor can be prepared by the method for treating green coffee beans of the present invention.
- the present invention is applied by spraying an aqueous solution of yeast on undried coffee fruits before removing the coffee pulp at the site where the coffee beans are harvested (production site), during a non-water-washing purification process. It was shown that it could be done.
- the yeast used was L2323 and S102. 3 g of the yeast was placed in another tube, and 50 mL of water was added to each tube, and the tube was capped and stirred. These were left standing in hot water at 41 ° C. for 30 minutes and diluted 20-fold to obtain a yeast suspension (3.0 ⁇ 10 8 cells / ml).
- the coffee fruits used were arabi breeds produced in Okibashi without being dried. 300 g of this coffee fruit and 500 mL of the above yeast suspension were placed in an Erlenmeyer flask, capped with a silicon stopper, and incubated at 22 ° C for 2 days. Two days later, the weight of the flask was measured. The results are shown in Table 11.
- the present invention can be applied by adding yeast (microorganisms) to a water tank before the removal of pulp at the site where coffee beans are harvested and passing through a washing-type purification process.
- Examples 4 and 6 show that the method for treating green coffee beans of the present invention can be applied to both non-washing and washing processes. Therefore, the method of processing green coffee beans can be easily introduced during the normal refining process, and can be applied in the place where coffee beans are produced without significant capital investment, or in places where dried green coffee beans are transported. Was recognized.
- the dried green coffee beans used were Brazilian arabi breeds.
- the yeast suspension described in Example 1 (L2323) was used as the yeast suspension.
- apple juice a commercially available concentrated juice (50BRIX) was diluted 5-fold and used.
- YM Broth from Difco was used by dissolving in water such that 3.0 g of Yeast Extract, 3.0 g of Malt Extract, 5.0 g of Peptone, and Dextrose 10 Og were used.
- the silicon stopper one having air permeability but not water permeability is used. Then, when the yeast assimilates the components contained in the various assimilation components to generate carbon dioxide, the carbon dioxide is released to the outside via the silicon stopper. Weight is reduced. Therefore, it was considered that the yeast in contact with the coffee fruit grew due to this weight loss.
- yeast could be assimilated and grown regardless of the type of assimilation component.
- each green coffee bean in the flask was dried with a dryer at 55 ° C. for 24 hours to obtain about 50 g of green coffee beans.
- the obtained green coffee beans were subjected to a sensory evaluation.
- the raw coffee beans after the fermentation treatment with apple juice are used as raw materials for apple juice raw beans, for grape juice, for raw grape juice, for YM medium, for raw YM medium, and for control! It is called control raw beans.
- brewed incense is a fruity fermented incense
- top note is the impression of the first scent
- last note is the lingering scent
- blue smell is a vegetable odor
- offensive odor indicates the inherent odor of coffee beans.
- 70-90 g of the above four types of green beans including the control were roasted for about 30 minutes at a temperature of about 150-200 ° C using a roaster (PROBAT; Battery Sample Roaster BRZ2), and the L value ( Index of roasting degree) About 40-50 g of about 20 roasted coffee beans were obtained.
- a roaster PROBAT; Battery Sample Roaster BRZ2
- the L value Index of roasting degree
- Roasted apple juice is called roasted apple juice
- roasted grape juice is roasted grape bean
- YM medium is roasted with YM medium
- control is roasted with control.
- Sensory evaluation was performed on the obtained coffee roasts.
- brewed incense is a fruity fermented incense
- top note is the first impression of aroma
- “Stoke” refers to the lingering scent
- roast scent refers to the fragrance
- "offensive odor” refers to the coffee beans originally possessed! .
- An extract was prepared using the above four types of roasted beans (roasted apple juice, roasted grape juice, roasted YM medium, and roasted control beans). Each roasted bean was finely ground, and 270 g of hot water was added to 30 g of the pulverized material to perform drip extraction, thereby obtaining about 200 g of a roasted bean extract.
- the resulting four extracts are referred to as apple juice roasted bean extract, grape juice roasted bean extract, YM medium roasted bean extract, and control roasted bean extract, respectively. Sensory evaluation was performed on these extracts.
- Sensory evaluation was performed by five panelists specializing in coffee sensuality.
- the six evaluation items were brewing aroma, bitterness, acidity, aftertaste, body feeling, and presence or absence of off-flavor.
- the rating of the control green beans was set to 1 and the control rating of other items was set to 3, indicating that higher numbers are stronger (good) and lower numbers are weak (bad). 5
- the evaluation was performed in stages, and the average value of the evaluations indicated by each panelist was obtained. The results are shown in Table 16.
- “body feeling” indicates that the body drinks well and that the flavor swells.
- a fermented black coffee in cans was prepared using the above extract.
- each extract was filtered with a paper filter, sodium bicarbonate was added to the filtered liquid, the pH was adjusted to about 5.7, and Brix was adjusted to about 1.00 with water.
- the samples were packed in 19 Og cans and sterilized by retort (125 ° C, F value: 12).
- the resulting four types of canned coffee are referred to as apple juice canned coffee, grape juice canned coffee, YM medium canned coffee, and control canned coffee, respectively.
- roasted coffee beans and coffee beverages having a rich and rich flavor can be prepared by the method for treating green coffee beans of the present invention.
- the present invention relates to a variety of products (regular coffee, instant coffee, canned coffee, etc.) including the processing and processing of coffee fruit such as refining and roasting, as well as the roasting power of green coffee beans processed according to the present invention. , Coffee aroma, etc.), and is very useful in the manufacturing of coffee beverages and can contribute to the further development of such industries.
- FIG. 1 is a schematic diagram of a method for treating green coffee beans of the present invention.
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EP04787976A EP1695631A4 (en) | 2003-09-25 | 2004-09-22 | PROCESS FOR PROCESSING GREEN COFFEE GRAINS |
CN2004800308337A CN1870899B (zh) | 2003-09-25 | 2004-09-22 | 咖啡果实的处理方法 |
JP2005514192A JP4746430B2 (ja) | 2003-09-25 | 2004-09-22 | コーヒー果実の処理方法 |
BRPI0414617-4A BRPI0414617A2 (pt) | 2003-09-25 | 2004-09-22 | mÉtodo de processamento de grços de cafÉ verde |
US10/573,373 US9867385B2 (en) | 2003-09-25 | 2004-09-22 | Method of processing green coffee beans |
US13/492,344 US20120244254A1 (en) | 2003-09-25 | 2012-06-08 | Method of Processing Green Coffee Beans |
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JP2003333754 | 2003-09-25 | ||
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US13/492,344 Division US20120244254A1 (en) | 2003-09-25 | 2012-06-08 | Method of Processing Green Coffee Beans |
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EP (1) | EP1695631A4 (ja) |
JP (2) | JP4746430B2 (ja) |
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TW (1) | TWI426867B (ja) |
WO (1) | WO2005029969A1 (ja) |
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WO2011108631A1 (ja) * | 2010-03-03 | 2011-09-09 | サントリーホールディングス株式会社 | カフェインレスコーヒー |
JPWO2011108631A1 (ja) * | 2010-03-03 | 2013-06-27 | サントリー食品インターナショナル株式会社 | カフェインレスコーヒー |
AU2011221877B2 (en) * | 2010-03-03 | 2014-05-22 | Suntory Beverage & Food Limited | Caffeineless coffee |
JP2011177147A (ja) * | 2010-03-03 | 2011-09-15 | Suntory Holdings Ltd | コーヒー生豆の焙煎方法 |
JP5918692B2 (ja) * | 2010-03-03 | 2016-05-18 | サントリー食品インターナショナル株式会社 | カフェインレスコーヒー |
KR101492174B1 (ko) * | 2013-01-24 | 2015-02-10 | 주식회사 코시스바이오 | 홍국균을 이용하여 발효시킨 커피 생두 발효물을 포함하는 항염증 및 면역증진용 조성물 |
KR101763456B1 (ko) * | 2013-12-27 | 2017-08-02 | 경희대학교 산학협력단 | 커피 향과 맛을 향상시키기 위한 커피생두 사전처리 방법 |
WO2015109460A1 (zh) * | 2014-01-22 | 2015-07-30 | 许宏洋 | 牛樟菌咖啡豆的生成方法及用该方法制成的牛樟菌咖啡豆 |
WO2018038047A1 (ja) * | 2016-08-22 | 2018-03-01 | サントリーホールディングス株式会社 | 脂肪酸メチルエステル高含有コーヒー豆 |
JPWO2018038047A1 (ja) * | 2016-08-22 | 2019-06-20 | サントリーホールディングス株式会社 | 脂肪酸メチルエステル高含有コーヒー豆 |
AU2017317408B2 (en) * | 2016-08-22 | 2021-09-02 | Suntory Holdings Limited | Coffee beans with high fatty acid methyl ester content |
US11206848B2 (en) | 2016-08-22 | 2021-12-28 | Suntory Holdings Limited | Coffee beans with high fatty acid methyl ester content and method of making same |
JP7126448B2 (ja) | 2016-08-22 | 2022-08-26 | サントリーホールディングス株式会社 | 脂肪酸メチルエステル高含有コーヒー豆 |
JP2019201625A (ja) * | 2017-09-27 | 2019-11-28 | 輝夫 古見 | 黒檀及び/又は車輪梅及び/又はタブノキの実を原料とした飲食物 |
Also Published As
Publication number | Publication date |
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EP1695631A4 (en) | 2011-09-07 |
TWI426867B (zh) | 2014-02-21 |
JPWO2005029969A1 (ja) | 2006-11-30 |
US20070190207A1 (en) | 2007-08-16 |
CN1870899B (zh) | 2010-09-29 |
US20120244254A1 (en) | 2012-09-27 |
EP1695631A1 (en) | 2006-08-30 |
JP2011103901A (ja) | 2011-06-02 |
JP5291740B2 (ja) | 2013-09-18 |
US9867385B2 (en) | 2018-01-16 |
TW200513196A (en) | 2005-04-16 |
CN1870899A (zh) | 2006-11-29 |
JP4746430B2 (ja) | 2011-08-10 |
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