CN102835524A - Preparation method for purple perilla instant tea powder - Google Patents
Preparation method for purple perilla instant tea powder Download PDFInfo
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- CN102835524A CN102835524A CN2012102802667A CN201210280266A CN102835524A CN 102835524 A CN102835524 A CN 102835524A CN 2012102802667 A CN2012102802667 A CN 2012102802667A CN 201210280266 A CN201210280266 A CN 201210280266A CN 102835524 A CN102835524 A CN 102835524A
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Abstract
The invention relates to a preparation method for health-care tea powder, and particularly to a preparation method for purple perilla instant tea powder. The method successively comprises the following steps of washing purple perilla leaves and tea leaves clean, smashing the purple perilla leaves and the tea leaves, mixing the purple perilla leaves and the tea leaves according to a weight ratio of 1:4-9, adding the above mixture into deionized water to immerse for 2-3 hurs, pouring the immersed mixture in a countercurrent extraction machine for extraction, and thus a crude filtrate is obtained; performing a preliminary filtration on the crude filtrate with a precision filter membrane containing polypropylene fiber membrane filter element to remove fine particles in the crude filtrate, and thus a preliminary filtrate is obtained; performing ultrafiltration on the preliminary filtrate; concentrating a permeating solution of the ultrafiltration with a reverse osmosis membrane to reach the solid content of 5%-20%, and thus a concentrated solution A is obtained; taking half of the concentrated solution A to perform a vacuum concentration, so that a concentrated solution B with the solid content of 30%-35% is obtained; mixing the rest of the concentrated solution A with the concentrated solution B to obtain a concentrated solution C; sterilizing the concentrated solution C, and drying the sterilized concentrated solution C to obtain the tea powder. The tea powder obtained by the method is easy for extraction, has low pesticide residue, and is good in color, flavor and taste.
Description
Technical field
The present invention relates to a kind of preparation method of functional health-care food tea powder, especially a kind of preparation method of purple perilla instant tea powder.
Background technology
Traditional instant tea extractive technique has pot type extraction, continous way counter-flow extraction, multipot type counter-flow extraction.It is that tealeaves is prone to block screen pack and causes discharging difficult that pot type is extracted shortcoming with the continous way counter-flow extraction, is exactly to can't get out sometimes at all.The shortcoming of multipot type counter-flow extraction is that tealeaves is prone to swim on the water surface, has part not extract fully and just is drawn out of, and causes certain waste.
The manufacturing approach of instant tea powder is normally used the hot water lixiviate earlier now, after concentrating with reverse osmosis concentration or vacuum again, carries out spray-drying or vacuum freeze drying and processes.The shortcoming that adopts this manufacturing approach is that cold cut property is poor, and fragrance, flavour are not good, is prone to brown stain.
The Chinese patent publication number is that the disclosed purple perilla tea of CN1810139 and CN1499272 all is directly to participate in raw material to process, and bioavilability is low, and persticide residue is high.
Summary of the invention
To above defective, the present invention proposes that a kind of easy extraction, persticide residue are low, the preparation method of the purple perilla instant tea powder that looks good, smell good and taste good.
A kind of preparation method of purple perilla instant tea powder, it in turn includes the following steps:
(1), earlier perilla leaf and tealeaves are cleaned, pulverize, press the weight ratio of 1:4-9 and mix perilla leaf and tealeaves, add in the deionized water fully immersion 2-3 hour, pour in the countercurrent extraction machine then and extract, obtain coarse filtration liquid; Coarse filtration liquid is tentatively filtered with the secondary filter film that contains the polypropylene fibre membrane cartridge, remove the fine particle in the coarse filtration liquid, obtain preliminary filtered fluid.
(2), preliminary filtered fluid is carried out ultra-filtration filters, again ultrafiltration is seen through liquid and concentrate, obtain the concentrate A of solid contents 5%-20% with reverse osmosis membrane; Half of getting concentrate A carried out vacuum and concentrated, and obtaining solid contents is the concentrate B of 30%-35%; Remaining concentrate A and concentrate B mixing are obtained concentrate C;
(3), concentrate C is carried out sterilization, make the tea powder through drying.
Preferably, the preferred proportion of purple perilla and tealeaves is 1:5.
Preferably, described raw material tea is a kind of in green tea, white tea or the jasmine tea.
Preferably, in the said step (2), the solids concentration of concentrate A is 15%-20%.
Because the excessive concentration of concentrate A is the overlong time of counter-infiltration then, fragrance is worsened, concentration is crossed and is lowly then made next step vacuum concentration time long, also brown stain and make the fragrance oxidation.
Preferably, in the said step (2), the solids concentration of concentrate B is 33%-35%.
Then the vacuum concentration time is long for the excessive concentration of concentrate B, and concentration is crossed low enough products that then can not get.
Preferably, the molecular cut off of the milipore filter described in the said step (2) is 100,000 dalton.
The amount of damming the like this active principles such as Tea Polyphenols that neither can run off assist in removing macromolecular substances again.
Temperature when preferably, using reverse osmosis membrane to concentrate in the said step (2) is 20-40 ℃.
Preferably, the temperature that vacuum concentrates in the said step (2) is 40-45 ℃.
Temperature range of the present invention can prevent that the fragrance of raw material runs off.
Preferably, the temperature of said step (3) sterilization is 120-140 ℃, and the time of sterilization is 5 seconds.
The high-temperature process of short time can reach reasonable sterilization effect, and step is simple.
Preferably, the drying process described in the step (3) adopts Vacuum Freezing & Drying Technology.
The invention has the advantages that:
(1) the present invention uses the perilla leaf of certain proportioning and tealeaves to extract as raw material to process, and both nutritional labeling extracted processes the tea powder, the clear phlegm of existing purple perilla, effect such as be good for the stomach; The anti-inflammatory of tealeaves is arranged and the effect of reducing internal heat again, both guaranteed purple perilla performance effect, enough tealeaves delicate fragrance is arranged again; Made full use of raw material, raw material swims in the problem on the water surface when having avoided in the past with countercurrent extraction machine, and extraction is carried out easily; Simultaneously can shorten extraction time, be convenient to the stripping of perilla leaf and tea component, persticide residue is low; Be a kind of health beverages of convenient, nutrition, have pleasant, dissolving phlegm, moistening lung, detoxifcation, soothing the liver, effect such as be good for the stomach;
(2) in order to keep color, smell and taste; The present invention selects specific solid contents for use, and after concentrating through reverse osmosis membrane, only gets a part of concentrate and carries out vacuum and concentrate; It is concentrated that a part is not carried out vacuum in addition; Then two-part concentrate is mixed, the concentrate that obtains had so both kept color, smell and taste, can keep certain concentration again.
The specific embodiment
Embodiment one:
Get 0.4 kilogram of perilla leaf and 1.6 kilograms of white tea, pulverize after cleaning.Adding small quantity of deionized water soaked into 2 hours.The mixture of perilla leaf and tealeaves poured in the countercurrent extraction machine extract, make coarse filtration liquid.Secondary filter film with containing the polypropylene fibre membrane cartridge tentatively filters, and removes the fine particle in the coarse filtration liquid.Using molecular cut off again is that 100,000 daltonian milipore filters filter, and removes macromolecular substances such as pectin, protein, soluble starch.Then ultrafiltration being seen through liquid and carry out reverse osmosis membrane and concentrate, and temperature is controlled at 20 ℃, is 5% concentrate A until obtaining to contain amount of solid.The half the cryogenic vacuum that under 40 ℃ temperature, carries out of getting concentrate A concentrates, and obtains containing amount of solid and be 30% concentrate B.With concentrate B with after remaining concentrate A mixes, at 120 ℃ of following ultra high temperature short time sterilizations, 3 seconds of sterilizing time.Carry out vacuum freeze drying at last.The purple perilla instant tea powder that makes can both dissolve rapidly behind 20 ℃, 50 ℃, 80 ℃ the water that adds respectively, and clarity is high, and fragrance is pure, no browning phenomenon.
Embodiment two:
Get 0.2 kilogram of perilla leaf and 1.8 kilograms of green tea, pulverize after cleaning.Add small quantity of deionized water and soaked into 3 hours, the mixture of perilla leaf and tealeaves is poured in the countercurrent extraction machine extracted then, make coarse filtration liquid.Secondary filter film with containing the polypropylene fibre membrane cartridge tentatively filters, and removes the fine particle in the coarse filtration liquid.Using molecular cut off again is that 120,000 daltonian milipore filters filter, and removes macromolecular substances such as pectin, protein, soluble starch, obtains ultrafiltration and sees through liquid.Then ultrafiltration being seen through liquid and carry out reverse osmosis membrane and concentrate, and temperature is controlled at 40 ℃, is 15% concentrate A until obtaining to contain amount of solid.The half the cryogenic vacuum that under 45 ℃ temperature, carries out of getting concentrate A concentrates, and obtains containing amount of solid and be 35% concentrate B.Concentrate B with after remaining concentrate A mixes, is carried out ultra high temperature short time sterilization under 140 ℃, 5 seconds of sterilizing time.Carry out vacuum freeze drying at last.The purple perilla instant tea powder that makes can dissolve rapidly after adding 10 ℃, 40 ℃, 85 ℃ water, and clarity is high, and color, smell and taste are about the same with traditional color, smell and taste that brew tea.
Embodiment three:
Get 0.3 kilogram of perilla leaf and 1.7 kilograms of jasmine teas, pulverize after cleaning.Adding small quantity of deionized water soaked into 2.5 hours.Use with embodiment one same extraction, coarse filtration, hyperfiltration and obtain the ultrafiltration extract.Then the ultrafiltration extract being carried out reverse osmosis membrane and concentrate, and temperature is controlled at 30 ℃, is 20% concentrate A until obtaining to contain amount of solid.The half the cryogenic vacuum that under 43 ℃ temperature, carries out of getting concentrate A concentrates, and obtains containing amount of solid and be 33% concentrate B.Concentrate B with after remaining concentrate A mixes, is carried out ultra high temperature short time sterilization under 130 ℃, 4 seconds of sterilizing time.Carry out freeze drying at last, the purple perilla instant tea powder that makes also can dissolve rapidly behind the water of 15 ℃, 45 ℃, 70 ℃ of addings, and clarity is higher, and looks good, smell good and taste good.
Embodiment four
Get 0.4 kilogram of perilla leaf and 2 kilograms of white tea, pulverize after cleaning.Adding small quantity of deionized water soaked into 2.5 hours.The mixture of perilla leaf and tealeaves poured in the countercurrent extraction machine extract, make coarse filtration liquid.Secondary filter film with containing the polypropylene fibre membrane cartridge tentatively filters, and removes the fine particle in the coarse filtration liquid.Using molecular cut off again is that 100,000 daltonian milipore filters filter, and removes macromolecular substances such as pectin, protein, soluble starch.Then ultrafiltration being seen through liquid and carry out reverse osmosis membrane and concentrate, and temperature is controlled at 30 ℃, is 18% concentrate A until obtaining to contain amount of solid.The half the cryogenic vacuum that under 42 ℃ temperature, carries out of getting concentrate A concentrates, and obtains containing amount of solid and be 34% concentrate B.Concentrate B with after remaining concentrate A mixes, at 120-140 ℃ of following ultra high temperature short time sterilization, in 5 seconds of sterilizing time, is carried out vacuum freeze drying at last.The purple perilla instant tea powder that makes can both dissolve rapidly behind 20 ℃, 50 ℃, 80 ℃ the water that adds respectively, and clarity is high, and fragrance is pure, no browning phenomenon.
Claims (10)
1. the preparation method of a purple perilla instant tea powder is characterized in that: in turn include the following steps:
(1), earlier perilla leaf and tealeaves are cleaned, pulverize, press the weight ratio of 1:4-9 and mix perilla leaf and tealeaves, add in the deionized water fully immersion 2-3 hour, pour in the countercurrent extraction machine then and extract, obtain coarse filtration liquid; Coarse filtration liquid is tentatively filtered with the secondary filter film that contains the polypropylene fibre membrane cartridge, remove the fine particle in the coarse filtration liquid, obtain preliminary filtered fluid;
(2), preliminary filtered fluid is carried out ultrafiltration, again ultrafiltration is seen through liquid and concentrate with reverse osmosis membrane, obtaining solid contents is the concentrate A of 5%-20%; Half of getting concentrate A carried out vacuum and concentrated, and obtaining solid contents is the concentrate B of 30%-35%; Remaining concentrate A and concentrate B mixing are obtained concentrate C;
(3), concentrate C is carried out sterilization, make the tea powder through drying.
2. the preparation method of a kind of purple perilla instant tea powder as claimed in claim 1 is characterized in that: the preferred proportion of purple perilla and tealeaves is 1:5.
3. according to claim 1 or claim 2 a kind of preparation method of purple perilla instant tea powder is characterized in that: described raw material tea is a kind of in green tea, white tea or the jasmine tea.
4. the preparation method of a kind of purple perilla instant tea powder as claimed in claim 3 is characterized in that: in the said step (2), the solids concentration of concentrate A is 15%-20%.
5. the preparation method of a kind of purple perilla instant tea powder as claimed in claim 4 is characterized in that: in the said step (2), the solids concentration of concentrate B is 33%-35%.
6. the preparation method of purple perilla instant tea powder as claimed in claim 1 is characterized in that: the molecular cut off of used milipore filter is 100,000 dalton in the said step (2).
7. like the preparation method of claim 5 or 6 described purple perilla instant tea powders, it is characterized in that: the temperature when using reverse osmosis membrane to concentrate in the said step (2) is 20-40 ℃.
8. the preparation method of purple perilla instant tea powder as claimed in claim 7 is characterized in that: the temperature that vacuum concentrates in the said step (2) is 40-45 ℃.
9. the preparation method of purple perilla instant tea powder as claimed in claim 8 is characterized in that: the temperature of said step (3) sterilization is 120-140 ℃, and the time of sterilization is 3-5 second.
10. the preparation method of purple perilla instant tea powder as claimed in claim 9 is characterized in that: the drying process described in the step (3) adopts Vacuum Freezing & Drying Technology.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102802667A CN102835524A (en) | 2012-08-08 | 2012-08-08 | Preparation method for purple perilla instant tea powder |
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| CN2012102802667A CN102835524A (en) | 2012-08-08 | 2012-08-08 | Preparation method for purple perilla instant tea powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104770507A (en) * | 2015-04-17 | 2015-07-15 | 福建师范大学 | Method for concentrating tealeaf extract by using wide-runner high-temperature-resistant reverse osmosis membrane |
| CN105285200A (en) * | 2015-10-29 | 2016-02-03 | 六安市裕安区绿中宝茶叶专业合作社 | Instant green tea powder full of juice and preparation method of instant green tea powder |
| CN105942489A (en) * | 2015-12-01 | 2016-09-21 | 谭新锋 | Herbal concentrated instant dissolving powder |
| CN114794473A (en) * | 2022-04-24 | 2022-07-29 | 广东青云山药业有限公司 | Preparation method of oriental cherry pollen with activity of inhibiting AGE generation |
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| CN1316192A (en) * | 2001-05-11 | 2001-10-10 | 广东华城食品有限公司 | Instant tea and its preparing process |
| CN101164424A (en) * | 2006-10-18 | 2008-04-23 | 大闽食品（漳州）有限公司 | Method for preparing instant tea powder |
| CN101189990A (en) * | 2006-11-28 | 2008-06-04 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder |
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2012
- 2012-08-08 CN CN2012102802667A patent/CN102835524A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316192A (en) * | 2001-05-11 | 2001-10-10 | 广东华城食品有限公司 | Instant tea and its preparing process |
| CN101164424A (en) * | 2006-10-18 | 2008-04-23 | 大闽食品（漳州）有限公司 | Method for preparing instant tea powder |
| CN101189990A (en) * | 2006-11-28 | 2008-06-04 | 大闽食品（漳州）有限公司 | Method for processing instant tea powder |
Non-Patent Citations (1)
| Title |
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| 彭光前等: "紫苏茶工艺技术研究", 《茶叶通讯》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104770507A (en) * | 2015-04-17 | 2015-07-15 | 福建师范大学 | Method for concentrating tealeaf extract by using wide-runner high-temperature-resistant reverse osmosis membrane |
| CN105285200A (en) * | 2015-10-29 | 2016-02-03 | 六安市裕安区绿中宝茶叶专业合作社 | Instant green tea powder full of juice and preparation method of instant green tea powder |
| CN105942489A (en) * | 2015-12-01 | 2016-09-21 | 谭新锋 | Herbal concentrated instant dissolving powder |
| CN114794473A (en) * | 2022-04-24 | 2022-07-29 | 广东青云山药业有限公司 | Preparation method of oriental cherry pollen with activity of inhibiting AGE generation |
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Application publication date: 20121226 |