WO2011126003A1 - 茶エキスの製造方法 - Google Patents
茶エキスの製造方法 Download PDFInfo
- Publication number
- WO2011126003A1 WO2011126003A1 PCT/JP2011/058601 JP2011058601W WO2011126003A1 WO 2011126003 A1 WO2011126003 A1 WO 2011126003A1 JP 2011058601 W JP2011058601 W JP 2011058601W WO 2011126003 A1 WO2011126003 A1 WO 2011126003A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tea
- enzyme
- tea extract
- extract
- brix
- Prior art date
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
- A23F3/166—Addition of, or treatment with, enzymes or microorganisms
Definitions
- the present invention relates to a method for producing a tea extract and a tea beverage that have high transparency, are excellent in taste and aroma, and do not generate odor even after long-term storage.
- Container-packed tea beverages are generally produced by removing tea particles from a tea leaf extract extracted from tea leaves with hot water or the like by solid-liquid separation means such as centrifugal separation, filling the containers and heat-sterilizing them. .
- Container-packed tea beverages manufactured in this way can be suspended, cloudy, flocked (cotton-like) or sediment-like oli (starch) (hereinafter referred to simply as “collected”).
- the occurrence of orientation is an important problem that lowers the commercial value of tea beverages filled in transparent containers.
- ori also referred to as “primary ori”
- secondary ori also referred to as “secondary ori”
- Patent Document 1 a method of clarifying by filtering through diatomaceous earth (Patent Document 1), adding chitosan to the tea extract of water-soluble tea components obtained by extracting green tea with water or hot water to adsorb the polymer component polyphenols After that, it is treated with a centrifuge and further filtered through diatomaceous earth to eliminate crystallization of the precipitate (Patent Document 2).
- Patent Document 3 A method for producing oolong tea drinks that are centrifuged to remove solids (Patent Document 3), a liquid obtained by cooling a liquid extracted from low-temperature tannin black tea and centrifuging to remove turbid components, and black tea with high tannins High temperature extraction from A tea beverage with excellent color, taste and aroma that does not generate cream-down, obtained by concentrating the brewed liquid to Brix 15-30, cooling it, and then centrifuging and mixing with the liquid from which the turbid components have been removed. There is a manufacturing method (Patent Document 4).
- a method of solubilizing or stabilizing oli by adding an enzyme for example, a secondary precipitation of a green tea beverage is performed by centrifuging a hot water tea extract of green tea and adding an enzyme having hemicellulase activity.
- Method to effectively suppress the occurrence of water Patent Document 5
- method to suppress the occurrence of floc in beverage by adding ⁇ -amylase to the green tea extract Patent Document 6
- An object of the present invention is to provide a method for producing a tea extract and a tea beverage that are highly transparent, excellent in taste and aroma, and that do not generate odor even after long-term storage.
- the present inventors have surprisingly performed centrifugation after allowing a glycoside-degrading enzyme to act on a tea concentrate obtained by concentrating a tea extract to a specific brix. It has been found that the enzyme or the enzyme-treated product entrains the tea component that causes the secondary orientation and produces an aggregated precipitate.
- the tea extract obtained by removing this agglomerated precipitate has a richer aroma and richer flavor than conventional tea extracts when diluted to make a beverage, and is extremely high in transparency and stored for a long time. As a result, the present invention was completed.
- the present invention relates to the following.
- a method for producing a tea extract comprising the following steps 1 to 4: Extracting tea leaves with a water-based solvent acceptable as a food to obtain a tea extract 1, Step 2 of concentrating the extract to Brix 2 to 30 to obtain a concentrate, Step 3 of adding a glycoside-degrading enzyme to the concentrated solution to obtain an enzyme-treated solution, and Step 4 of removing solids from the enzyme-treated solution by solid-liquid separation to obtain a tea extract.
- a method for producing a tea beverage comprising the steps 1 to 4 defined in 1) or 2) and further comprising a step of blending the obtained tea extract. 4) Use of glycoside-degrading enzymes to suppress the occurrence of oli (floating matters, cloudy matters, flock-like (cotton-like) matters, precipitate-like matters) in the production of tea extracts or tea beverages .
- tea components that cause oli and miscellaneous taste can be selectively precipitated and removed, so that it has high transparency and storage stability, and maximizes the original flavor and aroma of tea.
- a tea extract with a high aftertaste, and a fragrant and refreshing tea beverage using the same can be produced.
- the production method of the present invention is a simple method of concentrating a tea extract and performing an enzyme treatment and a solid-liquid separation treatment, and has an advantage that no complicated treatment or special equipment is required.
- FIG. 1 is a graph showing the relationship between Brix of tea extract (concentrate) during enzyme treatment and turbidity after centrifugation.
- FIG. 2 is a graph showing the relationship between the amount of enzyme added and the turbidity after centrifugation.
- the tea extract as used in the present invention refers to a concentrate of a tea extract obtained by concentrating a tea extract extracted from tea leaves with an aqueous solvent such as warm water. Refers to the material.
- the tea extract of the present invention is a step 1 for extracting tea leaves to obtain a tea extract, a step 2 for concentrating the extract to Brix 2 to 30 to obtain a concentrate, and adding a glycoside-degrading enzyme to the concentrate
- a method comprising the step 3 of obtaining an enzyme-treated solution and the step 4 of removing solids from the enzyme-treated solution by solid-liquid separation treatment.
- the tea leaves used as the raw material for the tea extract can be used without particular limitation as long as they are generally distributed.
- non-fermented teas such as sencha, roasted tea, gyokuro, kabusecha, tencha, etc., made from tea leaves obtained from the genus Camellia, such as C. sinensis, C. assaimica, and Yabuki species or their hybrids
- tea leaves obtained from the genus Camellia such as C. sinensis, C. assaimica, and Yabuki species or their hybrids
- examples thereof include one or more tea leaves selected from (green tea), semi-fermented tea (Toryu tea), fermented tea (black tea), and the like.
- non-fermented tea and semi-fermented tea rich in glycosides are suitable.
- a glycoside-degrading enzyme is allowed to act on a tea extract concentrated to a specific concentration, that is, a liquid containing a certain concentration of tea components, whereby the enzyme-derived components and tea It is characterized in that the components interact and coprecipitate.
- the tea component that reacts with the component derived from glycoside degrading enzyme is unknown, but the present inventors have confirmed that a large amount of coprecipitation occurs specifically when oolong tea is used as the tea leaf.
- Oolong tea is one of the preferred examples of tea leaves that can make the most of the effects of the present invention that have high transparency and good flavor.
- the method for extracting tea leaves is not particularly limited, and can be performed by a conventionally known method.
- the extraction device only needs to be of a type that can hold tea leaves in contact with an aqueous solvent such as warm water, and any extraction device such as a column type extractor, a kneader type extractor, or a countercurrent extractor may be used. Good.
- the extraction solvent is not particularly limited as long as it is an aqueous solvent that can be used as food.
- Distilled water demineralized water, tap water, alkaline ionized water, deep sea water, ion-exchanged water, deoxygenated water, hydrous alcohol (10 to 90 v / v% alcohol), water containing inorganic salts, and the like can be used, but it is particularly preferable to use pure water or ion-exchanged water. This is because, when ions are dissolved in a large amount in water, the extraction efficiency may decrease, react with the components in the extract to produce an insoluble matter, or a color change may occur.
- the amount of extraction solvent used varies depending on the type of tea leaf, type of extraction solvent, extraction temperature, desired palatability, etc., but is usually 1 to 200 parts by weight, preferably 5 to 150 parts by weight, based on the weight of tea leaves. Part, more preferably about 10 to 100 parts by weight.
- the temperature of the extract varies depending on the type of tea leaves and the desired palatability, but is usually 10-100 ° C (preferably 40-98 ° C) for green tea and 40-100 ° C (preferably 60-98 ° C) for oolong tea. ), About 40 to 100 ° C. (preferably 60 to 98 ° C.) for black tea.
- the extraction time is usually about 1 to 120 minutes, preferably about 3 to 60 minutes.
- extraction aids such as antioxidants and pH adjusters may be added during or after extraction.
- Step 1 a tea extract with a Brix (soluble solid weight per 100 g of solution (g)) of about 0.2 to 1 is usually obtained.
- Brix soluble solid weight per 100 g of solution (g)
- the soluble solid content weight (g) per 100 g of the solution is expressed as sucrose.
- Step 2 Step of obtaining concentrated solution
- the tea extract obtained in step 1 is concentrated to obtain a tea concentrate.
- the concentration method is not particularly limited, and is a conventionally known method such as an evaporation concentration method or a membrane concentration method.
- an atmospheric pressure concentration device, a vacuum concentration device, a centrifugal thin film type concentration device, and other general concentration devices are used. Can be done using.
- Concentration is performed so that the Brix is 2 to 30, preferably 3 to 25, more preferably 5 to 20.
- the temperature at the time of concentration is preferably 80 ° C. or lower in order to suppress the change of the aroma component.
- a glycoside-degrading enzyme is added to the concentrate of the tea extract adjusted to the above range.
- Any glycoside-degrading enzyme may be used as long as it has an activity of cleaving the glycosidic bond of the aroma component bound to the sugar contained in the tea concentrate.
- Specific examples include glucosidase, primeverosidase, and xylosidase. it can. Among them, glucosidase can be preferably used, and ⁇ -glucosidase is particularly preferable.
- ⁇ -glucosidase is not particularly limited, but includes Penicillium genus such as Penicillium multicolor , Aspergillus genus, Pseudomonas genus, Rhizomucor genus, Cryptococcus genus, microbacterium
- Penicillium genus such as Penicillium multicolor
- Aspergillus genus Pseudomonas genus
- Rhizomucor genus Rhizomucor genus
- Cryptococcus genus microbacterium
- An enzyme derived from a microorganism such as (Microbacterium) is used and sold on the market, for example, ⁇ -glucosidase preparation “Amano” (manufactured by Amano Enzyme Inc.).
- the amount of glycoside degrading enzyme added can be appropriately set depending on its titer, and is not particularly limited. Usually, 0.01 to 10% by weight, based on the solid content of the tea extract (concentrated liquid) (measured as a Brix value; hereinafter, the same applies to “solid content” unless otherwise specified) Is 0.1 to 5.0% by weight, more preferably 0.2 to 1.0% by weight, particularly preferably about 0.3 to 0.5% by weight.
- ⁇ -glucosidase preparation “Amano” manufactured by Amano Enzyme Co., Ltd.
- ⁇ -glucosidase 13%
- excipient 87% combination.
- Penicillium Multicolor, titer ⁇ -glucosidase power 800U / g or more
- solid content of tea extract concentrated liquid
- 0.1 to 10% by weight preferably 0.5 to 10% by weight, more preferably 2.0 to 5.0% by weight, particularly preferably about 3.0 to 5.0% by weight.
- this is about 0.08 to 80 U, preferably 0.8 to 40 U, more preferably 1.6 to 8.0 U, and particularly preferably about 2.4 to 4.0 U with respect to 1 g of the solid content.
- the titer of ⁇ -glucosidase is a value measured by the following method using an automatic chemical analyzer (TBA-30R, manufactured by Toshiba Corporation).
- glycoside-degrading enzyme interacts with components that cause oli and tea taste in tea beverages and coprecipitates. As the amount of precipitation increases, a fresh tea extract with high transparency and good aftertaste and a tea beverage containing the same can be produced. If the amount of glycoside-degrading enzyme added to the solid content of the tea extract (concentrated liquid) is less than 0.01% by weight, not only is the tea aroma component liberated, but co-precipitation with the expected tea component is not possible. It may not occur, and if it is 10% by weight or more, the taste of the enzyme preparation may be felt and the tea flavor may be impaired.
- the conditions for enzyme treatment can be appropriately set according to the type, properties (titer), extract concentration, etc. of the enzyme used.
- ⁇ -glucosidase for example, the above-mentioned “Amano” (manufactured by Amano Enzyme Co., Ltd.)
- the reaction is performed at 40 to 60 ° C. for about 1 to 5 hours.
- the enzyme reaction is stopped by inactivating the enzyme by a conventionally known method, for example, heating and holding at 90 ° C. for about 30 minutes.
- Process 4 Solid-liquid separation process
- a precipitate is generated due to a reaction between the component (protein substance) in the enzyme and the component of the tea beverage.
- this precipitate is removed.
- the solid-liquid separation means is not particularly limited as long as it can be separated into a precipitate (solid content) and a water-soluble part (liquid part). Filtration using a filter made of metal such as filter paper or stainless steel, or centrifugal separation Etc. can be adopted. In particular, the centrifugal separation is preferable in that the precipitate can be more reliably removed and generation of secondary orientation can be suppressed.
- Centrifugation can be performed using a general apparatus such as a separation plate type, a cylindrical type, or a decanter type, and the treatment temperature is preferably 30 ° C. or less, particularly preferably 25 ° C. or less. Centrifugation conditions (number of rotations and time) vary depending on the apparatus, processing capacity, etc., but are, for example, about 1000 to 3000 rpm for about 5 to 30 minutes with a centrifuge (Kokusan H-26F).
- the turbidity of the aqueous solution is 35 NTU or less, preferably 20 or less, more preferably 10 or less, still more preferably 5 In the following, it is particularly preferably carried out so as to be 1 or less.
- turbidity refers to turbidimetric turbidity units (NTU: Nephelometric Turbidity Units) using a turbidimeter (90 ° scattered light / transmission detection method). Specific measurement devices include ratio optical systems, etc. It can be illustrated.
- the preferred fragrance is enhanced by the enzyme treatment in step 3, and the components that inhibit the preferred fragrance are precipitated and removed by steps 2, 3, and 4, so that the preferred fragrance is perceived more strongly. can do.
- the aroma of tea is very delicate and has a property that it is very easy to disappear in the process of producing a tea beverage.
- the tea extract of the present invention has an original aroma due to its enhanced aroma component. It becomes the property that it is easy to maintain the flavor.
- aldehydes and alcohols having a floral and green fragrance for example, cis-3-Hexen-1-ol, Linalool oxide, Benzaldhyde, 1-Nonanol, Methyl salicylate, Geraniol, Benzyl alcohol, Phenylethyl alcohol, Benzyl salicylate, Hexadecanoic acid, Methyl-11,14,17-Eicosatrienoate, and wood creosote-like aroma (2-Methoxy-4-vinyl) phenol) increases.
- indole known as an aroma component that causes a heated odor is reduced.
- the present inventors have focused on Oolong tea beverages that do not perceive sufficient wilt incense (Hana incense) even though they contain abundant aroma components in Oolong tea beverages, and the relationship between the perception of incense and Oolong tea beverage components
- Hya incense wilt incense
- Ionone compounds contained in oolong tea beverages
- the fragrance of the floral incense component is inhibited, making it difficult to perceive.
- ⁇ -ionone can be efficiently removed, so that ⁇ -ionone is reduced to an amount sufficiently smaller than that normally contained in the incense component, and perfume is perceived with an excellent balance.
- (A) floral incense component (A1) floral component containing at least (A1) linalool and (A2) geraniol, (B) ⁇ -ionone content
- (A) floral component Novel oolong tea with a ratio ((A1 + A2) / (B)) to the total amount (A1 + A2) of 500 or more, preferably 600 or more, more preferably 700 or more, more preferably 800 or more, particularly preferably 900 or more An extract is obtained.
- ((A1 + A2) / (B)) of a general oolong tea extract (or oolong tea beverage) in which the ⁇ -ionone content is not reduced is less than about 100.
- aromatic components such as a linalool, geraniol, and beta-ionone, it can measure using GC / MS (Yokogawa Analytical Systems Co., Ltd.) etc.
- Example 1 Oolong tea extract (1)
- Production of oolong tea extract 100 g of oolong tea (Fuhezhou, color type) was extracted with 6000 mL of ion-exchanged water at 90 ° C. for 15 minutes.
- the resulting extract was roughly filtered with a 150 mesh metal filter, cooled to 30 ° C or lower, and oolong tea extract (Brix 0.5, measured with ATAGO's digital refractometer RX-5000 ⁇ . It was measured using this.
- This extract was concentrated using a vacuum evaporation concentrator until the Brix was 1.0, 2.0, 3.0, 5.0, 7.0, 10.0 to obtain a concentrated solution.
- Glycoside-degrading enzyme ( ⁇ -glucosidase) formulation “Amano” (manufactured by Amano Enzyme Co., Ltd.) ( ⁇ -glucosidase 13% 87% in the form of formulation.Origin: Penicillium Multicolor, titer: ⁇ -glucosidase power 800U / g or more) was added, and the enzyme treatment was performed in a constant temperature room at 45 ° C for 3 hours. After the enzyme treatment, the enzyme was inactivated by heating at 90 ° C. for 30 minutes, and cooled to 30 ° C. or lower to obtain an enzyme treatment solution.
- each sample was diluted with ion-exchanged water until Brix 0.5, and then measured with a turbidimeter (turbidimeter model 2100P manufactured by HACH) (20 ° C.).
- the results of measurement of the amount of the enzyme-treated solution precipitated and the turbidity of the aqueous solution after centrifugation are shown in Table 1 (the measured Brix value in Table 1 represents the measured Brix value of the supernatant after centrifugation).
- Table 1 the measured Brix value in Table 1 represents the measured Brix value of the supernatant after centrifugation.
- Fig. 1 shows the relationship between Brix of tea extract (concentrate) during enzyme treatment and turbidity after centrifugation. Transparency of the diluted solution of the enzyme-treated solution to Brix 0.5 is clearly different, and the higher the Brix during enzyme treatment, where more precipitation was observed, the higher the transparency. . In particular, the improvement in transparency was observed at Brix 2.0 or higher, and when Brix was 5.0 or higher, the tea extract was very highly transparent.
- Example 2 Oolong tea extract (2) As the Brix 5.0 of tea extract (concentrate) during enzyme treatment, the enzyme addition amount was changed to 0.5, 1.0, 2.0, 3.0 per solid content, and the enzyme treatment was performed at 50 ° C. for 2 hours under stirring with a stirrer. Oolong tea extract was produced in the same manner as in No. 6 of Example 1. In the same manner as in Example 1, the precipitation amount of the enzyme-treated solution was measured, and the turbidity of a solution obtained by diluting the supernatant after centrifugation in Brix 0.5 was measured.
- Example 3 Green tea extract Green tea (Sanbancha, normal fired product) was extracted for 10 minutes with 10 times the amount of hot water. The obtained extract was concentrated to Brix 4.5 using a vacuum evaporation concentrator to obtain a green tea concentrate. To this concentrated solution, a glycoside-degrading enzyme having a concentration of 3% by weight with respect to the solid content was added, and the enzyme treatment was performed at 50 ° C. for 2 hours. After enzyme treatment, inactivate the enzyme by heating at 90 ° C for 30 minutes, cool to 30 ° C or less to obtain an enzyme treatment solution, and centrifuge at 3000rpm with a centrifuge (Hokusan Co., Ltd.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
Description
1) 以下の工程1~4を含む、茶エキスの製造方法:
茶葉を食品として許容可能な水系溶媒で抽出して、茶抽出液を得る工程1、
該抽出液をブリックス2~30まで濃縮して、濃縮液を得る工程2、
該濃縮液に配糖体分解酵素を添加して処理して、酵素処理液を得る工程3、及び
該酵素処理液から固液分離処理により固形物を除去して、茶エキスを得る工程4。
2) 配糖体分解酵素が、β-グルコシダーゼである、1)に記載の方法。
3) 1)又は2)に定義した工程1~4を含み、得られた茶エキスを配合する工程をさらに含む、茶飲料の製造方法。
4) 茶エキス又は茶飲料の製造における、オリ(浮遊物状物、白濁状物、フロック状(綿状)物、沈殿物状物)の発生を抑制するための、配糖体分解酵素の使用。
茶抽出液の原料となる茶葉は、一般に流通している茶葉であれば特に制限されることなく用いることができる。具体的には、Camellia属、例えばC.sinensis、C.assaimica、及びやぶきた種又はそれらの雑種から得られる茶葉から製茶された、煎茶、焙じ茶、玉露、かぶせ茶、てん茶等の不発酵茶(緑茶)、半発酵茶(鳥龍茶)、発酵茶(紅茶)等から選択された1種又は2種以上の茶葉が例示できる。特に、配糖体の豊富な不発酵茶及び半発酵茶が好適である。
工程1で得られた茶抽出液を濃縮して、茶の濃縮液を得る。濃縮方法は特に制限されず、蒸発濃縮法や膜濃縮法などの従来知られた方法で、例えば常圧濃縮装置、減圧濃縮装置、及び遠心薄膜式濃縮装置、及びその他の一般的な濃縮装置を使用して行うことができる。
上記範囲に調整された茶抽出液の濃縮液に、配糖体分解酵素を添加する。配糖体分解酵素は、茶濃縮液中に含まれる糖と結合した香気成分のグリコシド結合を切断する活性を有するものであればよく、具体的には、グルコシダーゼ、プリメベロシダーゼ、キシロシダーゼ等を例示できる。中でもグルコシダーゼを好適に用いることができ、特にβ-グルコシダーゼ(β-glucosidase)が好ましい。β-グルコシダーゼは特に限定されるものではないが、ペニシリウム(Penicillium)属、例えばPenicillium multicolor、アスペルギルス(Aspergillus)属、シュードモナス(Pseudomonas)属、リゾムコル(Rhizomucor)属、クリプトコッカス(Cryptococcus)属、ミクロバクテリウム(Microbacterium)属等の微生物由来の酵素が用いられ、市場で販売されているものとしては、例えば、β-グルコシダーゼ製剤「アマノ」(天野エンザイム株式会社製)が挙げられる。
上記したとおり、酵素処理液には、酵素中の成分(たんぱく系物質)と茶飲料の成分とが反応して沈殿物が発生している。工程4の固液分離工程では、この沈殿物を除去する。固液分離手段としては、沈殿物(固形分)と水溶性部分(液体部分)とに分離され得る手段であれば特に限定されず、ろ紙、ステンレス等の金属製フィルター等によるろ過や、遠心分離等を採用することができる。特に、遠心分離は、沈殿物をより確実に除去して二次オリの発生を抑制できる点で好ましい。遠心分離は、分離板型、円筒型、デカンター型などの一般的な機器を使用でき、その処理温度は、30℃以下、特に25℃以下であるのが好ましい。遠心分離の条件(回転数と時間)は、装置や処理容量等により異なるが、例えば、遠心分離機.(コクサンH-26F)で、1000~3000rpm、5~30分間程度である。
(1)烏龍茶エキスの製造
烏龍茶(福健省・色種)100gを90℃のイオン交換水6000mLで15分間抽出した。得られた抽出液を150メッシュの金属フィルターで粗ろ過後、30℃以下になるまで冷却し、烏龍茶抽出液(ブリックス0.5、ATAGO社製 デジタル屈折計 RX-5000αで測定。以下、ブリックスについてはすべてこれを用いて測定した。)を得た。この抽出液を、減圧蒸発濃縮装置を用いてブリックスが1.0、2.0、3.0、5.0、7.0、10.0になるまで濃縮し、濃縮液を得た。この種々のブリックスの濃縮液に、固形分に対して3重量%となる濃度の配糖体分解酵素(β-グルコシダーゼ)製剤「アマノ」(天野エンザイム株式会社製)(β-グルコシダーゼ13%、賦形剤87%配合品。由来:Penicillium Multicolor、力価:β-グルコシダーゼ力 800U/g以上))を添加し、45℃の恒温室で3時間、酵素処理を行った。酵素処理後、90℃で30分間加熱して酵素を失活させ、30℃以下になるまで冷却して酵素処理液を得た。これをよく振って20mLずつを沈殿評価用のガラス管に分注し、25℃にて沈殿評価を行った。沈殿評価は、ガラス管に分注した酵素処理液を遠心分離装置((株)コクサン社製H-26F型)で3000rpm、10分間固液分離処理を行い、沈殿量(mL)を算出することにより行った。
(1)で得られた各種烏龍茶エキス(No.1~No.8)をブリックス0.25になるまでイオン交換水で希釈して茶飲料を調整し、専門パネラーによる官能評価を行った。酵素添加していないもの(No.1)と酵素処理を行ったもの(No.2)を比較すると、良好な香気が増強され、芳醇な花香を有する茶飲料であった。また、酵素処理時のブリックスが異なるサンプル間(No.2~No.8)で比較すると、ブリックスが高いサンプルほど、雑味が低減されており、後味のすっきりした印象を与えた。また、雑味が低減された分、ブリックスが高いサンプルほど、より花香が強く知覚され、嗜好性の高い茶飲料であった。
(1)で得られた烏龍茶エキスのうち、酵素処理時のブリックス1.0のもの(No.3)、ブリックス3.0のもの(No.5)、ブリックス5.0のもの(No.6)、ブリックス10.0のもの(No.8)を用い、(2)と同様に、ブリックス0.25となるようにイオン交換水で希釈して茶飲料を調整した。この4種類の茶飲料の香気について、(A1)リナロール、(A2)ゲラニオール、(B)β-イオノンの含量を測定した。香気分析は、各試料50mLにTwisterを入れ、2時間攪拌させ、揮発成分を抽出後、熱抽出(TDU)しGC-MS分析した。測定条件は以下のとおり。
・分析装置:Agilent Technologies 6890N
・検出器:Agilent Technologies 5975B
・カラム:Agilent Technologies 121-7012L TM(DB-WAX 10m×0.18mm×0.18μm)
・検出:SIMモード
・定量:リナロール:m/z=71、ゲラニオール:m/z=93、β-イオノン:m/z=177。
(1)で得られた各種烏龍茶エキス(No.1~No.8)をブリックス0.25になるまでイオン交換水で希釈して茶飲料を調整し、500mLずつをPETボトルに充填して40℃にて保存試験を行った。保存0日では、いずれのサンプルも自然光に晒しても茶成分の粒子やオリは確認できず、プロジェクターの光を当てると極微細な粒子が少量認められる程度であった。保存3日、5日、7日、10日、13日、19日後の状態を確認したところ、サンプルNo.1~3は保存13日目で自然光に晒すと砂状~極微細な粒子(0.5mm未満)が少量認められ、19日目では目視でも確認できるレベルとなった。一方、サンプルNo.4~8では、20日間の保存で変化がなかった。これより、酵素処理時のブリックスが2.0以上であると、長期保存時において沈殿の原因となる物質を除去できることが示唆された。
酵素処理時の茶抽出液(濃縮液)のブリックス5.0として、酵素添加量を固形分あたり0.5、1.0、2.0、3.0に変え、酵素処理をスターラーによる攪拌下で50℃2時間とする以外は、実施例1のNo.6と同様にして、烏龍茶エキスを製造した。実施例1と同様に、酵素処理液の沈殿量を測定するとともに、遠心分離後の上澄み液をブリックス0.5に希釈した液の濁度を測定した。
緑茶(三番茶、通常火入れ品)を10倍量の熱湯で10分間抽出した。得られた抽出液を、減圧蒸発濃縮装置を用いてブリックス4.5になるまで濃縮し、緑茶濃縮液を得た。この濃縮液に、固形分に対して3重量%となる濃度の配糖体分解酵素を添加し、50℃にて2時間酵素処理を行った。酵素処理後、90℃で30分間加熱して酵素を失活させ、30℃以下になるまで冷却して酵素処理液を得、遠心分離装置((株)コクサン社製H-26F型)で3000rpm、10分間固液分離処理を行い、500メッシュのフィルターでろ過した後、水溶液部分(上澄み液)を20mLずつ採取して、濁度分析を行った。また、比較として、濃縮液の酵素処理を行わずに、遠心分離を行ったサンプルを製造して、濁度を測定した。
Claims (4)
- 以下の工程1~4を含む、茶エキスの製造方法:
茶葉を食品として許容可能な水系溶媒で抽出して、茶抽出液を得る工程1、
該抽出液をブリックス2~30まで濃縮して、濃縮液を得る工程2、
該濃縮液に配糖体分解酵素を添加して処理して、酵素処理液を得る工程3、及び
該酵素処理液から固液分離処理により固形物を除去して、茶エキスを得る工程4。 - 配糖体分解酵素が、β-グルコシダーゼである、請求項1に記載の方法。
- 請求項1又は2に定義した工程1~4を含み、得られた茶エキスを配合する工程をさらに含む、茶飲料の製造方法。
- 茶エキス又は茶飲料の製造における、オリの発生を抑制するための配糖体分解酵素の使用。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180027688.7A CN102933088B (zh) | 2010-04-05 | 2011-04-05 | 茶提取物的制造方法 |
JP2012509664A JP5818784B2 (ja) | 2010-04-05 | 2011-04-05 | 茶エキスの製造方法 |
HK13109276.1A HK1181973A1 (en) | 2010-04-05 | 2013-08-08 | Process for producing tea extract |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-087360 | 2010-04-05 | ||
JP2010087360 | 2010-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011126003A1 true WO2011126003A1 (ja) | 2011-10-13 |
Family
ID=44762939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/058601 WO2011126003A1 (ja) | 2010-04-05 | 2011-04-05 | 茶エキスの製造方法 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP5818784B2 (ja) |
CN (1) | CN102933088B (ja) |
HK (1) | HK1181973A1 (ja) |
TW (1) | TWI533811B (ja) |
WO (1) | WO2011126003A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2011126005A1 (ja) * | 2010-04-05 | 2013-07-11 | サントリー食品インターナショナル株式会社 | 烏龍茶抽出物 |
JP2015065868A (ja) * | 2013-09-27 | 2015-04-13 | ポッカサッポロフード&ビバレッジ株式会社 | 乳化剤含有コーン茶飲料の製造方法 |
WO2016010064A1 (ja) * | 2014-07-16 | 2016-01-21 | 興人ライフサイエンス株式会社 | 茶飲料の白濁抑制剤 |
JP2018046772A (ja) * | 2016-09-21 | 2018-03-29 | 池田食研株式会社 | 4−エチルフェノールの生成方法 |
JP2018117608A (ja) * | 2017-01-20 | 2018-08-02 | サントリーホールディングス株式会社 | 高濃度の粉砕茶葉を含有する緑茶飲料 |
JP2018139582A (ja) * | 2017-01-20 | 2018-09-13 | サントリーホールディングス株式会社 | 高濃度の粉砕茶葉を含有する緑茶飲料 |
WO2019044474A1 (ja) * | 2017-09-01 | 2019-03-07 | 長谷川香料株式会社 | 脱色された茶抽出液およびその製造方法 |
WO2019098390A1 (ja) * | 2017-11-20 | 2019-05-23 | 旭化成株式会社 | 溶媒含有物品の濃縮システムおよび濃縮液 |
US10757955B2 (en) | 2014-10-22 | 2020-09-01 | The Coca-Cola Company | Method for preparing tea leaf extracts having different tastes and beverages containing combinations of same |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6262186B2 (ja) * | 2015-03-09 | 2018-01-17 | 長谷川香料株式会社 | 嗜好飲料原料エキスの製造方法 |
CN105211394A (zh) * | 2015-11-06 | 2016-01-06 | 深圳市深宝华城科技有限公司 | 一种绿茶风味糖浆的制作方法 |
TWI774556B (zh) * | 2021-09-10 | 2022-08-11 | 財團法人食品工業發展研究所 | 茶原料萃取程度的即時監測方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006075112A (ja) * | 2004-09-10 | 2006-03-23 | T Hasegawa Co Ltd | 茶類エキス及び茶類香料の製法 |
JP2006109797A (ja) * | 2004-10-18 | 2006-04-27 | Takasago Internatl Corp | 緑茶エキスの調製方法および緑茶エキス |
JP2007053905A (ja) * | 2005-08-22 | 2007-03-08 | Taiyo Kagaku Co Ltd | 茶エキス |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3782390B2 (ja) * | 2002-10-31 | 2006-06-07 | 株式会社 伊藤園 | 新規な緑茶飲料及びその製造方法 |
CN1794917B (zh) * | 2003-10-23 | 2012-11-28 | 高砂香料工业株式会社 | 新鲜茶叶粉末及从新鲜茶叶粉末中获得的加工产品、提取物、油料和芳香物 |
-
2011
- 2011-04-05 WO PCT/JP2011/058601 patent/WO2011126003A1/ja active Application Filing
- 2011-04-05 JP JP2012509664A patent/JP5818784B2/ja active Active
- 2011-04-05 CN CN201180027688.7A patent/CN102933088B/zh active Active
- 2011-04-06 TW TW100111802A patent/TWI533811B/zh active
-
2013
- 2013-08-08 HK HK13109276.1A patent/HK1181973A1/xx unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006075112A (ja) * | 2004-09-10 | 2006-03-23 | T Hasegawa Co Ltd | 茶類エキス及び茶類香料の製法 |
JP2006109797A (ja) * | 2004-10-18 | 2006-04-27 | Takasago Internatl Corp | 緑茶エキスの調製方法および緑茶エキス |
JP2007053905A (ja) * | 2005-08-22 | 2007-03-08 | Taiyo Kagaku Co Ltd | 茶エキス |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5952734B2 (ja) * | 2010-04-05 | 2016-07-13 | サントリー食品インターナショナル株式会社 | 烏龍茶抽出物 |
JPWO2011126005A1 (ja) * | 2010-04-05 | 2013-07-11 | サントリー食品インターナショナル株式会社 | 烏龍茶抽出物 |
JP2015065868A (ja) * | 2013-09-27 | 2015-04-13 | ポッカサッポロフード&ビバレッジ株式会社 | 乳化剤含有コーン茶飲料の製造方法 |
WO2016010064A1 (ja) * | 2014-07-16 | 2016-01-21 | 興人ライフサイエンス株式会社 | 茶飲料の白濁抑制剤 |
JPWO2016010064A1 (ja) * | 2014-07-16 | 2017-04-27 | 興人ライフサイエンス株式会社 | 茶飲料の白濁抑制剤 |
US10757955B2 (en) | 2014-10-22 | 2020-09-01 | The Coca-Cola Company | Method for preparing tea leaf extracts having different tastes and beverages containing combinations of same |
JP2018046772A (ja) * | 2016-09-21 | 2018-03-29 | 池田食研株式会社 | 4−エチルフェノールの生成方法 |
JP2018117608A (ja) * | 2017-01-20 | 2018-08-02 | サントリーホールディングス株式会社 | 高濃度の粉砕茶葉を含有する緑茶飲料 |
JP2018139582A (ja) * | 2017-01-20 | 2018-09-13 | サントリーホールディングス株式会社 | 高濃度の粉砕茶葉を含有する緑茶飲料 |
JP7022600B2 (ja) | 2017-01-20 | 2022-02-18 | サントリーホールディングス株式会社 | 高濃度の粉砕茶葉を含有する緑茶飲料 |
WO2019044474A1 (ja) * | 2017-09-01 | 2019-03-07 | 長谷川香料株式会社 | 脱色された茶抽出液およびその製造方法 |
JPWO2019044474A1 (ja) * | 2017-09-01 | 2020-07-27 | 長谷川香料株式会社 | 脱色された茶抽出液およびその製造方法 |
JP6993418B2 (ja) | 2017-09-01 | 2022-01-13 | 長谷川香料株式会社 | 脱色された茶抽出液およびその製造方法 |
WO2019098390A1 (ja) * | 2017-11-20 | 2019-05-23 | 旭化成株式会社 | 溶媒含有物品の濃縮システムおよび濃縮液 |
Also Published As
Publication number | Publication date |
---|---|
CN102933088B (zh) | 2014-11-12 |
JP5818784B2 (ja) | 2015-11-18 |
TWI533811B (zh) | 2016-05-21 |
JPWO2011126003A1 (ja) | 2013-07-11 |
CN102933088A (zh) | 2013-02-13 |
HK1181973A1 (en) | 2013-11-22 |
TW201201703A (en) | 2012-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5818784B2 (ja) | 茶エキスの製造方法 | |
TWI444143B (zh) | Green tea beverage and its manufacturing method | |
TWI394535B (zh) | Container packaging of green tea drinks | |
JP5952734B2 (ja) | 烏龍茶抽出物 | |
JP4843118B2 (ja) | 容器詰緑茶飲料 | |
JP4856254B2 (ja) | 果汁入り容器詰紅茶飲料及びその製造方法 | |
TW200423877A (en) | Packaged beverage and process for producing the same | |
TW201029580A (en) | Extract of tea stuff and method | |
JP2007104967A (ja) | 精製緑茶抽出物 | |
TWI419821B (zh) | Green tea beverage and its manufacturing method | |
JP6700641B1 (ja) | 柑橘果実成分を含有する容器詰にごり紅茶飲料及びその製造方法 | |
Subramanian et al. | Membrane clarification of tea extracts | |
JP6993418B2 (ja) | 脱色された茶抽出液およびその製造方法 | |
JP5525150B2 (ja) | 焙煎茶葉粉砕物及びこれを含有する茶飲料 | |
JP3638560B2 (ja) | 半発酵茶飲料、発酵茶飲料の製造法 | |
JP2000037164A (ja) | 果汁入り紅茶飲料 | |
JP6338845B2 (ja) | 茶飲料またはコーヒー飲料の製造方法 | |
JP6711964B1 (ja) | 柑橘果実成分を含有する容器詰にごり紅茶飲料及びその製造方法 | |
JP4272944B2 (ja) | 烏龍茶抽出物及び烏龍茶系飲料の製法 | |
JP2005102606A (ja) | 茶飲料用添加剤 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180027688.7 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11765903 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012509664 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11765903 Country of ref document: EP Kind code of ref document: A1 |