CN108782879A - A kind of preparation method of ice-cold dissolubility instant tea powder - Google Patents
A kind of preparation method of ice-cold dissolubility instant tea powder Download PDFInfo
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- CN108782879A CN108782879A CN201710307547.XA CN201710307547A CN108782879A CN 108782879 A CN108782879 A CN 108782879A CN 201710307547 A CN201710307547 A CN 201710307547A CN 108782879 A CN108782879 A CN 108782879A
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- tea powder
- ice
- instant tea
- dissolubility
- temperature
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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
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/16—Tea extraction; Tea extracts; Treating tea extract; Making instant tea
- A23F3/18—Extraction of water soluble tea constituents
-
- 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
- A23F3/22—Drying or concentrating tea extract
- A23F3/28—Drying or concentrating tea extract by spraying into a gas stream
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses a kind of preparation methods of ice-cold dissolubility instant tea powder, reverse osmosis concentration after tea extract enzymolysis, standing separation is clarified after concentration, carbon dioxide gas heat preservation is filled with after clarified solution ultra high temperature short time sterilization, then spray drying granulation is carried out, instant tea powder is obtained, average grain diameter 0.4~0.6mm spherical in particle；Instant tea powder 0.6g can be completely dissolved in 3min in 5~7 DEG C of ice water of 200ml, the impurity and suspended particulate being visible by naked eyes, and fragrance is highly concentrated, and soup look is bright.
Description
Technical field
The invention belongs to instant tea powder preparing technical fields, and in particular to a kind of preparation side of ice-cold dissolubility instant tea powder
Method.
Background technology
Instant tea powder is a kind of powder using tealeaves as raw material, being process by techniques such as extraction, filtering, concentration, dryings
Shape tea raw material, can be quickly dissolved in water, without tea grounds and can keep the peculiar taste of tealeaves, realize the instant-drink of tea, at present
It is widely used in varieties of food items and beverage, also can be used as the supplementary material etc. of food processing.But current instant tea powder is generally all
It could be dissolved rapidly in warm water or boiling water, the solution rate in ice water is very slow cannot even to be dissolved, dissolved
How much millet paste can have some impurity and suspended particulate, and clarity is poor；Even if after being dissolved in warm water or boiling water, once
It lets cool, and will appear muddy and precipitation, influence perception and mouthfeel.In addition, in the process of instant tea powder, the antioxygen in tealeaves
The chemical conversion various active nutriment that grades can all be destroyed so that for instant tea compared with conventional tea, fragrance is humble, quality compared with
It is low.
Invention content
It is an object of the invention in place of overcome the deficiencies in the prior art, provide a kind of system of ice-cold dissolubility instant tea powder
Preparation Method, obtained instant tea powder can dissolve in ice water, the impurity and suspended particulate being visible by naked eyes, and fragrance is high
Dense, soup look is bright.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of preparation method of ice-cold dissolubility instant tea powder, including：
1) tea raw material water at 84~86 DEG C carries 55~65min, and the mass ratio of the tea raw material and water is 1:28~
32, tealeaves is removed, tea extract is obtained；Tea extract temperature is at the uniform velocity down to 39~45 DEG C in 25~35min, is adjusted
PH value 5.0~5.3, then according to the content meter of Solid content in tea extract, the DN of addition 0.03~0.05%, insulated and stirred
110~130min of enzymolysis is carried out, enzymolysis liquid is obtained；
2) enzymolysis liquid that step 1) obtains carries out reverse osmosis concentration at 35~40 DEG C, is concentrated into out in liquid Solid content concentration not
Less than 10%；It needs to clean the RO films of use before reverse osmosis concentration, then pickling after first alkali cleaning is washed to pH value and is not less than
6.0 rears can be concentrated；Concentrate is cooled to 17~23 DEG C, stands after 55~65min successively with 300 mesh filter clothes, 1 μm of refined filtration
Membrane filtration, then in 3500~4500rpm, 25~35min of high speed centrifugation, obtain clarified solution；
3) clarified solution that step 2) obtains sterilizes 4~6s at 122~130 DEG C, goes out 40~50 DEG C of liquid temperature；Then to it
In be filled with carbon dioxide gas heat preservation, keep temperature be not less than 32 DEG C, 25~35min of soaking time；
4) liquid that step 4) obtains carries out spray drying granulation, 177~183 DEG C of inlet air temperature, leaving air temp 92~98
DEG C, feed temperature must be maintained at 38~42 DEG C and feed liquid there is not allowed that turbid phenomenon in spray-drying process；Spray drying knot
The instant tea powder, 0.4~0.6mm of average grain diameter are obtained after beam；Instant tea powder 0.6g can be completely dissolved in 3min
In 5~7 DEG C of ice water of 200ml.
In one embodiment：In the step 1), the mass ratio of tea raw material and water is 1:30.
In one embodiment：In the step 1), tea extract temperature is down to 42 DEG C in 30min.One in 30min
Temperature is evenly down to 42 DEG C as possible surely, if it is slow to cool down, tea extract, which is easy to turn sour, generates floccule, lasting
High temperature can also destroy the enzyme activity subsequently digested；If cooling is too fast, tea extract easy tos produce turbid phenomenon.
In one embodiment：In the step 3), it is filled with carbon dioxide gas heat preservation, keeps temperature to be not less than 35 DEG C, heat preservation
Time 30min.Insulating process is conducive to the dissolving of carbon dioxide, improves the bulkiness of granulated and dissolubility of subsequent granulation.
In one embodiment：In the step 4), feed temperature must be maintained at 40 DEG C and feed liquid not in spray-drying process
Turbid phenomenon must occur.If feed temperature is less than 40 DEG C, tea emulsified material is will produce, feed liquid is easily muddy, is not readily dissolved after dry；If material
Liquid temperature is higher than 40 DEG C, and carbon dioxide is readily volatilized, and the content in feed liquid reduces, and can not be granulated, particle dissolves in ice water
Property is poor.
Compared with the background art, it has the following advantages that the technical program：
1. the preparation-obtained instant tea powder of the present invention can 0.6g 5~7 DEG C of ice water of 200ml can be completely dissolved in 3min
In, the impurity and suspended particulate being visible by naked eyes, and fragrance is highly concentrated, soup look is bright, solves existing instant tea powder and does not dissolve in ice
The problem of water, and quality is good, perception is good.
2. the present invention is applied in industrialized production, more than 1,000 ten thousand yuan of the output value can be created within 1 year, realizes more than 300 ten thousand yuan of profits
Profit, provides a job more than 100, brings along farmers to increase income wound benefit.
Specific implementation mode
Present disclosure is illustrated below by embodiment：
1) tea raw material water at 85 DEG C carries 60min, and the mass ratio of the tea raw material and water is 1:30, dish-style separation removes
Tealeaves is removed, tea extract is obtained；Tea extract temperature is at the uniform velocity down to 39~45 DEG C in 30min by plate-type heat-exchange,
It adjusts pH value 5.0~5.3 and adds 0.04% DN (tannase) then according to the content meter of Solid content in tea extract, protect
Temperature stirring carries out enzymolysis 120min, obtains enzymolysis liquid；
2) enzymolysis liquid that step 1) obtains carries out reverse osmosis concentration at 35~40 DEG C, is concentrated into out in liquid Solid content concentration not
Less than 10%；It needs to clean the RO films of use before reverse osmosis concentration, then pickling after first alkali cleaning is washed to pH value and is not less than
6.0 rears can be concentrated；Concentrate is cooled to 17~23 DEG C, stands after 60min successively with 300 mesh filter clothes, 1 μm of refined filtration film mistake
Filter, then with tube centrifuge 4000rpm high speed centrifugation 30min, obtain clarified solution；
3) clarified solution that step 2) obtains carries out 4~6s of ultra high temperature short time sterilization at 122~130 DEG C, goes out liquid temperature 40
~50 DEG C；Then it is filled with carbon dioxide gas heat preservation thereto, keeps temperature to be not less than 35 DEG C, soaking time 30min；
4) liquid that step 4) obtains carries out spray drying granulation, 177~183 DEG C of inlet air temperature, leaving air temp 92~98
DEG C, feed temperature must be maintained at 40 DEG C and feed liquid there is not allowed that turbid phenomenon in spray-drying process；After spray drying
Obtain the instant tea powder.
Particle sphere, average grain diameter 0.5mm is presented in above-mentioned instant tea powder powder；After testing, the 0.6g instant tea powders are through stirring
Mixing can be completely dissolved in 3min in 5~7 DEG C of ice water of 200ml, and the impurity and suspended particulate being visible by naked eyes, fragrance is highly concentrated,
Soup look is bright.
The above, only present pre-ferred embodiments, therefore cannot limit the scope of implementation of the present invention according to this, i.e., according to
Equivalent changes and modifications made by the scope of the claims of the present invention and description all should still belong in the range of the present invention covers.
Claims (5)
1. a kind of preparation method of ice-cold dissolubility instant tea powder, it is characterised in that：Including：
1) tea raw material water at 84~86 DEG C carries 55~65min, and the mass ratio of the tea raw material and water is 1:28~32, it removes
Tealeaves is removed, tea extract is obtained；Tea extract temperature is down to 39~45 DEG C in 25~35min, adjust pH value 5.0~
5.3, then according to the content meter of Solid content in tea extract, 0.03~0.05% DN is added, insulated and stirred is digested
110~130min obtains enzymolysis liquid；
2) enzymolysis liquid that step 1) obtains carries out reverse osmosis concentration at 35~40 DEG C, is concentrated into out Solid content concentration in liquid and is not less than
10%；It needs to clean the RO films of use before reverse osmosis concentration, pickling after first alkali cleaning, is then washed to pH value and is not less than 6.0
Rear can be concentrated；Concentrate is cooled to 17~23 DEG C, stands after 55~65min successively with 300 mesh filter clothes, 1 μm of refined filtration film
Filtering, then in 3500~4500rpm, 25~35min of high speed centrifugation, obtain clarified solution；
3) clarified solution that step 2) obtains sterilizes 4~6s at 122~130 DEG C, goes out 40~50 DEG C of liquid temperature；Then it fills thereto
Enter carbon dioxide gas heat preservation, keeps temperature to be not less than 32 DEG C, 25~35min of soaking time；
4) liquid that step 4) obtains carries out spray drying granulation, 177~183 DEG C of inlet air temperature, 92~98 DEG C of leaving air temp, spray
Feed temperature must be maintained at 38~42 DEG C and feed liquid there is not allowed that turbid phenomenon in mist drying process；After spray drying i.e.
Obtain the instant tea powder, 0.4~0.6mm of average grain diameter；Instant tea powder 0.6g can be completely dissolved in the 5 of 200ml in 3min
In~7 DEG C of ice water.
2. the preparation method of ice-cold dissolubility instant tea powder according to claim 1, it is characterised in that：In the step 1),
The mass ratio of tea raw material and water is 1:30.
3. the preparation method of ice-cold dissolubility instant tea powder according to claim 1, it is characterised in that：In the step 1),
Tea extract temperature is down to 42 DEG C in 30min.
4. the preparation method of ice-cold dissolubility instant tea powder according to claim 1, it is characterised in that：In the step 3),
It is filled with carbon dioxide gas heat preservation, keeps temperature to be not less than 35 DEG C, soaking time 30min.
5. the preparation method of ice-cold dissolubility instant tea powder according to claim 1, it is characterised in that：In the step 4),
Feed temperature must be maintained at 40 DEG C and feed liquid there is not allowed that turbid phenomenon in spray-drying process.
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| CN201710307547.XA CN108782879A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of ice-cold dissolubility instant tea powder |
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| CN201710307547.XA CN108782879A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of ice-cold dissolubility instant tea powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401012A (en) * | 2019-08-21 | 2021-02-26 | 株式会社爱茉莉太平洋 | Tea processed product and method for producing the same |
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| CN101019585A (en) * | 2007-03-15 | 2007-08-22 | 望晓燕 | Production process of serial health Puer tea with gastrodia tuber |
| CN101176491A (en) * | 2006-11-11 | 2008-05-14 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder without pesticide residue |
| CN101189998A (en) * | 2006-11-28 | 2008-06-04 | 大闽食品（漳州）有限公司 | Method for processing cold soluble type instant tea |
| CN101366427A (en) * | 2007-08-15 | 2009-02-18 | 大闽食品（漳州）有限公司 | Processing method for cold instant white tea powder |
| CN105533004A (en) * | 2015-12-31 | 2016-05-04 | 南京融点食品科技有限公司 | Making method of instant black tea |
-
2017
- 2017-05-04 CN CN201710307547.XA patent/CN108782879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101176491A (en) * | 2006-11-11 | 2008-05-14 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder without pesticide residue |
| CN101189998A (en) * | 2006-11-28 | 2008-06-04 | 大闽食品（漳州）有限公司 | Method for processing cold soluble type instant tea |
| CN101019585A (en) * | 2007-03-15 | 2007-08-22 | 望晓燕 | Production process of serial health Puer tea with gastrodia tuber |
| CN101366427A (en) * | 2007-08-15 | 2009-02-18 | 大闽食品（漳州）有限公司 | Processing method for cold instant white tea powder |
| CN105533004A (en) * | 2015-12-31 | 2016-05-04 | 南京融点食品科技有限公司 | Making method of instant black tea |
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| 刘广文: "《喷雾干燥实用技术大全》", 31 October 2001, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401012A (en) * | 2019-08-21 | 2021-02-26 | 株式会社爱茉莉太平洋 | Tea processed product and method for producing the same |
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Effective date of registration: 20190828 Address after: 363000 No. 68 Shengwang Avenue, Fengshan Town, Huaan County, Zhangzhou City, Fujian Province Applicant after: Fujian Lixing Food Co.,Ltd. Applicant after: Shanghai Mingyingshan International Trade Co., Ltd. Address before: 363000 Tankou, Fengshan Town, Huaan County, Zhangzhou City, Fujian Province Applicant before: Fujian Lixing Food Co.,Ltd. |