CN110226648A - A kind of preparation method of instant tea powder - Google Patents
A kind of preparation method of instant tea powder Download PDFInfo
- Publication number
- CN110226648A CN110226648A CN201910638470.3A CN201910638470A CN110226648A CN 110226648 A CN110226648 A CN 110226648A CN 201910638470 A CN201910638470 A CN 201910638470A CN 110226648 A CN110226648 A CN 110226648A
- Authority
- CN
- China
- Prior art keywords
- tea
- preparation
- instant tea
- tealeaves
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A23F3/163—Liquid or semi-liquid tea extract preparations, e.g. gels, liquid extracts in solid capsules
-
- 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
- A23F3/20—Removing unwanted substances
-
- 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
Abstract
The present invention provides a kind of preparation method of instant tea powder, and the powder that tealeaves is crushed to 15-30 mesh by pulverizer is spare；Then extractant is mixed with the tealeaves for being ground into powder carries out that extract liquor is obtained by extraction；Then the extract liquor prepared in S2 is subjected to centrifugal treating and tea extract is made；Tea extract obtained is placed in sealing container and is filtered via solid filter cloth；Obtained instant tea powder is dried using spray drying, tealeaves fragrance material composition can be effectively retained, obtained instant tea product aromatic flavour alcohol just, has fragrance identical with former tea；The compound extracting solvent of use, low temperature, the infiltration extraction of low pH process conditions, inhibit tea polyphenols oxidation polymerization in extraction process, reduce thearubigin, theabrownin is formed, prevent tealeaves marennin from aoxidizing, effectively overcome the problem of instant tea product color deepens, the simple process of preparation method of the present invention, it is easy to operate, it is suitable for industrialized production.
Description
Technical field
The present invention is a kind of preparation method of instant tea powder, belongs to food processing field.
Background technique
In the prior art, instant tea powder is a kind of solid drink tea that can dissolve in water.With made tea, semi-finished product
Tea, tealeaves byproduct or fresh leaf are raw material, by technical process such as extraction, filtering, concentration, dryings, are processed into one kind and easily dissolve in
The new beverage of water and graininess, powdery or strip without tea grounds has Instant Drinks easy to carry, excellent without pesticide residue etc.
Point.It is divided into pure tea and condiment deploys two class of tea, pure tea common are instant black tea, instant green tea, instant Iron Guanyin, instant oolong
Tea, instant jasmine tea, instant Pu'er tea etc..Filling allotment tea have containing sugar black tea, green tea, oolong tea and lemon black tea,
Milk tea, various fruity instant tea.Currently, several famous teas such as clovershrub, phoenix list fir, golden fine horse eyebrow also release instant tea product, companion
With further speeding up for rhythm of life, the market of instant tea is also being expanded therewith, is increasingly liked by market.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of preparation method of instant tea powder, to solve
The problems mentioned above in the background art, the present invention in the brewed aspect of instant tea, simple process, be suitble to large-scale production.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of preparation of instant tea powder
Method includes the following steps:
S1: crushing, and the powder that tealeaves is crushed to 15-30 mesh by pulverizer is spare；
S2: hybrid extraction: extractant is mixed with the tealeaves for being ground into powder and carries out that extract liquor is obtained by extraction；
S3: centrifugation；The extract liquor prepared in S2 is subjected to centrifugal treating, tea extract is made；
S4: filtering；Tea extract obtained is placed in sealing container and is filtered via solid filter cloth；
S5: it is concentrated and dried；Filtered extracting solution is placed on thin film evaporator and is evaporated, molecular weight 40000 is removed
It is dried after above big molecular impurity, obtained instant tea powder is dried using spray drying.
Further, in S1, pulverizer is crushed using medicinal herb grinder.
Further, in S2, extractant is mixed to prepare using 5% acetone and 5% ethyl alcohol, by extractant and is crushed
It is placed under conditions of pressure is 15-20MPa at the tealeaves mixing of powder and extracts 2-3h, temperature during extraction process is controlled in 65-
Between 75 DEG C, pH is between 6.5-7.5.
Further, in S4, the mesh number of fine and close filter cloth is controlled between 300-450 mesh, and pressure controls in sealing container
Between 0.5-1.2MPa.
Further, in S5, the ethyl alcohol that 10-15% is added in extracting solution is evaporated, the spray head in spray drying
Bore is 0.5-1.1mm, and between 140-160 DEG C, the control of exhaust vent temperature exists for intake air temperature control in spray-drying process
Between 70-80 DEG C.
Further, in S3, centrifugation use batch centrifugal mode, centrifugal force controlled between 4000-8000g,
Time control have a rest in 2-4min.
Beneficial effects of the present invention: a kind of preparation method of instant tea powder of the invention can be effectively retained tealeaves flavor
Matter ingredient, obtained instant tea product aromatic flavour alcohol just, have fragrance identical with former tea；The compound extracting solvent of use,
Low temperature, the infiltration extraction of low pH process conditions, inhibit tea polyphenols oxidation polymerization in extraction process, and reduction thearubigin, theabrownin are formed,
It prevents tealeaves marennin from aoxidizing, effectively overcomes the problem of instant tea product color deepens, the technique of preparation method of the present invention
Simply, easy to operate, it is suitable for industrialized production.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
The present invention provides a kind of technical solution: a kind of preparation method of instant tea powder includes the following steps:
S1: crushing, and the powder that tealeaves is crushed to 15-30 mesh by pulverizer is spare；
S2: hybrid extraction: extractant is mixed with the tealeaves for being ground into powder and carries out that extract liquor is obtained by extraction；
S3: centrifugation；The extract liquor prepared in S2 is subjected to centrifugal treating, tea extract is made；
S4: filtering；Tea extract obtained is placed in sealing container and is filtered via solid filter cloth；
S5: it is concentrated and dried；Filtered extracting solution is placed on thin film evaporator and is evaporated, molecular weight 40000 is removed
It is dried after above big molecular impurity, obtained instant tea powder is dried using spray drying, it, need to by mechanism
Dry material is dispersed into the very thin particle as mist, (increasing moisture disengagement area, accelerate drying process) and hot-air
Contact, most of moisture is removed in moment, the solid matter in material is made to be dried to powder, drying process is very fast.It can
Extracting solution is directly dried to powder, and high production efficiency, operator is few.
In S1, pulverizer is crushed using medicinal herb grinder, can be accelerated by the pulverizer smashed tealeaves later period
The process of extraction.
In S2, extractant is mixed to prepare using 5% acetone and 5% ethyl alcohol, by extractant and is ground into powder
Tealeaves mixing is placed under conditions of pressure is 15-20MPa and extracts 2-3h, and temperature during extraction process controls between 65-75 DEG C,
PH between 6.5-7.5,
In S4, the mesh number of fine and close filter cloth is controlled between 300-450 mesh, and pressure control is in 0.5- in sealing container
Between 1.2MPa.
In S5, the ethyl alcohol that 10-15% is added in extracting solution is evaporated, and the shower nozzle caliber in spray drying is 0.5-
1.1mm, in spray-drying process intake air temperature control between 140-160 DEG C, the control of exhaust vent temperature 70-80 DEG C it
Between.
In S3, centrifugation uses batch centrifugal mode, and centrifugal force controlled is between 4000-8000g, intermittent time control
In 2-4min.
Embodiment 1: the powder that tealeaves is crushed to 15 mesh by pulverizer is spare；Then extractant and it is ground into powder
Tealeaves mixing carries out that extract liquor is obtained by extraction；Next the extract liquor of preparation is subjected to centrifugal treating and tea extract is made；It connects
Tea extract obtained be placed in sealing container be filtered via solid filter cloth；Finally by filtered extracting solution
It is placed on thin film evaporator and is evaporated, be dried after removing the big molecular impurity of 40000 or more molecular weight, using doing by spraying
It is dry that obtained instant tea powder is dried, during this, extractant is mixed to prepare using 5% acetone and 5% ethyl alcohol, will be extracted
It takes agent to mix with the tealeaves for being ground into powder and is placed on pressure to extract 2h, temperature during extraction process control under conditions of 15MPa
Between 65 DEG C, pH is between 6.5, and the mesh number of fine and close filter cloth controls between 300 mesh, and pressure control exists in sealing container
Between 0.5MPa, the ethyl alcohol of addition 10% is evaporated in extracting solution, and the shower nozzle caliber in spray drying is 0.5mm, spraying
In drying process intake air temperature control between 140 DEG C, exhaust vent temperature control between 70 DEG C, centrifugation using it is intermittent from
Heart mode, between 4000g, the intermittent time controls in 2min centrifugal force controlled.
Embodiment 2: the powder that tealeaves is crushed to 25 mesh by pulverizer is spare；Then extractant and it is ground into powder
Tealeaves mixing carries out that extract liquor is obtained by extraction；Next the extract liquor of preparation is subjected to centrifugal treating and tea extract is made；It connects
Tea extract obtained be placed in sealing container be filtered via solid filter cloth；Finally by filtered extracting solution
It is placed on thin film evaporator and is evaporated, be dried after removing the big molecular impurity of 40000 or more molecular weight, using doing by spraying
It is dry that obtained instant tea powder is dried, during this, extractant is mixed to prepare using 5% acetone and 5% ethyl alcohol, will be extracted
It takes agent to mix with the tealeaves for being ground into powder and is placed on pressure to extract 2-3h, temperature during extraction process control under conditions of 18MPa
System is between 70 DEG C, and pH is between 7, and the mesh number of fine and close filter cloth controls between 400 mesh, and pressure control is in 1MPa in sealing container
Between, the ethyl alcohol of addition 12% is evaporated in extracting solution, and the shower nozzle caliber in spray drying is 1mm, spray-drying process
Middle intake air temperature control is between 150 DEG C, and exhaust vent temperature controls between 75 DEG C, and centrifugation uses batch centrifugal mode,
Between 6000g, the intermittent time controls in 3min centrifugal force controlled.
Embodiment 3: the powder that tealeaves is crushed to 30 mesh by pulverizer is spare；Then extractant and it is ground into powder
Tealeaves mixing carries out that extract liquor is obtained by extraction；Next the extract liquor of preparation is subjected to centrifugal treating and tea extract is made；It connects
Tea extract obtained be placed in sealing container be filtered via solid filter cloth；Finally by filtered extracting solution
It is placed on thin film evaporator and is evaporated, be dried after removing the big molecular impurity of 40000 or more molecular weight, using doing by spraying
It is dry that obtained instant tea powder is dried, during this, extractant is mixed to prepare using 5% acetone and 5% ethyl alcohol, will be extracted
It takes agent to mix with the tealeaves for being ground into powder and is placed on pressure to extract 2-3h, temperature during extraction process control under conditions of 20MPa
System is between 75 DEG C, and pH is between 7.5, and the mesh number of fine and close filter cloth controls between 450 mesh, and pressure control exists in sealing container
Between 1.2MPa, the ethyl alcohol of addition 15% is evaporated in extracting solution, and the shower nozzle caliber in spray drying is 1.1mm, spraying
In drying process intake air temperature control between 160 DEG C, exhaust vent temperature control between 80 DEG C, centrifugation using it is intermittent from
Heart mode, between 8000g, the intermittent time controls in 4min centrifugal force controlled.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Claim should not be construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of preparation method of instant tea powder, it is characterised in that include the following steps:
S1: crushing, and the powder that tealeaves is crushed to 15-30 mesh by pulverizer is spare；
S2: hybrid extraction: extractant is mixed with the tealeaves for being ground into powder and carries out that extract liquor is obtained by extraction；
S3: centrifugation；The extract liquor prepared in S2 is subjected to centrifugal treating, tea extract is made；
S4: filtering；Tea extract obtained is placed in sealing container and is filtered via solid filter cloth；
S5: it is concentrated and dried；Filtered extracting solution is placed on thin film evaporator and is evaporated, 40000 or more molecular weight is removed
Big molecular impurity after be dried, obtained instant tea powder is dried using spray drying.
2. a kind of preparation method of instant tea powder according to claim 1, it is characterised in that: in S1, pulverizer is used
Medicinal herb grinder is crushed.
3. a kind of preparation method of instant tea powder according to claim 1, it is characterised in that: in S2, using 5% third
Ketone and 5% ethyl alcohol are mixed to prepare extractant, and it is 15- that extractant, which is mixed with the tealeaves for being ground into powder, and is placed on pressure
2-3h is extracted under conditions of 20MPa, temperature during extraction process controls between 65-75 DEG C, and pH is between 6.5-7.5.
4. a kind of preparation method of instant tea powder according to claim 1, it is characterised in that: in S4, fine and close filter cloth
Mesh number controls between 300-450 mesh, and pressure control is between 0.5-1.2MPa in sealing container.
5. a kind of preparation method of instant tea powder according to claim 1, it is characterised in that: in S5, in extracting solution
The ethyl alcohol that 10-15% is added is evaporated, and the shower nozzle caliber in spray drying is 0.5-1.1mm, is entered the wind in spray-drying process
Between 140-160 DEG C, exhaust vent temperature is controlled between 70-80 DEG C for mouth temperature control.
6. a kind of preparation method of instant tea powder according to claim 1, it is characterised in that: in S3, between centrifugation uses
Formula of having a rest centrifugation, between 4000-8000g, the intermittent time controls in 2-4min centrifugal force controlled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638470.3A CN110226648A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method of instant tea powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638470.3A CN110226648A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method of instant tea powder |
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| CN110226648A true CN110226648A (en) | 2019-09-13 |
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ID=67855447
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| CN201910638470.3A Pending CN110226648A (en) | 2019-07-16 | 2019-07-16 | A kind of preparation method of instant tea powder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477161A (en) * | 2019-09-24 | 2019-11-22 | 双牌县金蕊实业有限责任公司 | A kind of instant sweet tea powder and preparation method thereof |
| CN112106862A (en) * | 2020-09-30 | 2020-12-22 | 湖北友花茶业科技有限公司 | Preparation method of instant tea with fragrance of chloranthus spicatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103704420A (en) * | 2013-12-26 | 2014-04-09 | 王海斌 | Processing method of instant tea powder |
| CN105325611A (en) * | 2015-11-17 | 2016-02-17 | 成都锦汇科技有限公司 | Preparation method of instant tea powder |
| CN109077149A (en) * | 2018-04-23 | 2018-12-25 | 江西师范大学 | A kind of pure instant tea and preparation method thereof |
-
2019
- 2019-07-16 CN CN201910638470.3A patent/CN110226648A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103704420A (en) * | 2013-12-26 | 2014-04-09 | 王海斌 | Processing method of instant tea powder |
| CN105325611A (en) * | 2015-11-17 | 2016-02-17 | 成都锦汇科技有限公司 | Preparation method of instant tea powder |
| CN109077149A (en) * | 2018-04-23 | 2018-12-25 | 江西师范大学 | A kind of pure instant tea and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477161A (en) * | 2019-09-24 | 2019-11-22 | 双牌县金蕊实业有限责任公司 | A kind of instant sweet tea powder and preparation method thereof |
| CN112106862A (en) * | 2020-09-30 | 2020-12-22 | 湖北友花茶业科技有限公司 | Preparation method of instant tea with fragrance of chloranthus spicatus |
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Application publication date: 20190913 |
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