CN108041187A - A kind of production method of instant green tea powder - Google Patents
A kind of production method of instant green tea powder Download PDFInfo
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- CN108041187A CN108041187A CN201711042898.9A CN201711042898A CN108041187A CN 108041187 A CN108041187 A CN 108041187A CN 201711042898 A CN201711042898 A CN 201711042898A CN 108041187 A CN108041187 A CN 108041187A
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- tealeaves
- green tea
- tea powder
- processing
- stewing
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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
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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- Tea And Coffee (AREA)
Abstract
The present invention relates to green tea deep process technology fields, and in particular to a kind of production method of instant green tea powder.It is as follows：It will dry and steamed after carrying out cut-out rubbing processing in obtained tealeaves feeding hammer mill, it is re-fed into pressure pan and vacuumizes holding 9 10 minutes, the gases at high pressure of 6 7MPa are filled with into vacuum tank, tealeaves boil in a covered pot over a slow fire and warms up processing, tealeaves is sent into colloid mill and is ground, instant green tea powder is prepared using the method for the present invention, the active ingredient in green tea can farthest be retained, the instant green tea powder prepared using the method for the present invention, stable quality can be preserved for a long time at normal temperatures.
Description
Technical field
The present invention relates to green tea deep process technology fields, and in particular to a kind of production method of instant green tea powder.
Background technology
Tealeaves is a kind of healthy food material being favored by people, containing there are many chemical composition, such as tea polyphenols, polysaccharide, mineral
Matter etc., especially tea polyphenols have the multiple functions such as antibacterial, anti-oxidant, anti-aging, radioresistance, by tealeaves after ultramicro grinding,
The physicochemical properties such as tealeaves solvability, granule size, water imbibition change, add it to cake, candy, jelly,
In the numerous foods such as jam, ice cream, Yoghourt, the nutrition of food can be increased, promote the color, smell and taste of food, improve food quality,
Abundant food kind, at present tealeaves ultramicro grinding generally have two kinds of techniques of dry pulverization process and wet pulverizing, during dry pulverization process, due to
Water insoluble dietary fiber substance under dry state is hard in tealeaves, and it is larger to destroy active force needed for its structure, superfine grinding by wet processing
No matter obtained tea powder is from active principle leaching rate or from brewing from rehydration, performance does not all include, wet pulverizing
It is to be further improved for what dry pulverization process shortcoming was made, tea powder and water is generally configured to suspension when wet pulverizing makes,
Crushing is ground again, although being improved from active principle leaching rate, wet pulverizing understands some in grinding
Active principle is dissolved out into water, then the tea powder through being dried to obtain is whether from fragrance or from nutritive value, loss late
It is all bigger.
The content of the invention
To solve the disadvantage that existing superfine grinding by wet processing makes tea powder and soybean dietary fiber makes tea powder and exists, mesh of the invention
Be a kind of production method of instant green tea powder is provided, the present invention when making instant tea powder, still using superfine grinding by wet processing as
Master operation, but respective handling is made to tealeaves before dry pulverization process, ensure under dry pulverization process state, obtained tealeaves surpasses
Micro mist can also have higher leaching rate and brew rehydration, while it is extremely low to process nutritive loss rate.
The technical solution adopted by the present invention is that a kind of production method of instant green tea powder is as follows：
（1）Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1200-1300rpm；
（2）Tealeaves at 90-95 DEG C is steamed 85-90 seconds, pressure pan is sent into and vacuumizes holding 9-10 minutes, filled into vacuum tank
Enter the gases at high pressure of 6-7MPa, kept for 15-20 minutes；
（3）Tealeaves boil in a covered pot over a slow fire and warms up processing, stewing processing environment temperature of warming up is stewing to warm up processing for 32-36 DEG C, ambient humidity 88-90%
When time is 4-5 small；
（4）Tealeaves is sent into colloid mill and is ground.
Preferably, tealeaves drying obtained, which is sent into the hammer mill that rotating speed is 1200rpm, to carry out at cut-out rubbing
Reason.
Preferably, tealeaves at 90 DEG C is steamed 85 seconds, is sent into pressure pan and vacuumizes holding 10 minutes, filled into vacuum tank
Enter the gases at high pressure of 7MPa, kept for 20 minutes.
Preferably, tealeaves boil in a covered pot over a slow fire and warm up processing, for stewing processing environment temperature of warming up for 32 DEG C, ambient humidity 90% is stewing to warm up place
When the reason time is 5 small.
Preferably, colloid mill roll flute gap is 10 μm.
Conventional dry glue mill obtains green tea Ultramicro-powder, active principle leaching rate and bad, the wet method glue that brews rehydration
Mill acquisition green tea Ultramicro-powder nutritive loss rate is then larger, and the present invention with dry method glue before acquisition green tea Ultramicro-powder is ground, to baked tea
Leaf carry out cut-out rubbing processing, steam treatment, it is stewing warm up processing after, be ultimately delivered to milled processed in colloid mill, it is obtained
Green tea Ultramicro-powder brews active principle leaching rate height, and it is good to brew rehydration, and can form stable suspersion system, brews green tea ultra micro
The tealeaves that the more original drying of color and luster of powder obtains is more bud green.
The present invention has following technique effect：
（1）Instant green tea powder is prepared using the method for the present invention, can farthest retain the active ingredient in green tea；
（2）The instant green tea powder prepared using the method for the present invention, stable quality can be preserved for a long time at normal temperatures；
（3）The instant green tea powder prepared using the method for the present invention, rehydration is fabulous, and can absorb water rapidly recovery, and brew rear color
Damp vividness is good.
Specific embodiment
Embodiment 1, a kind of production method of instant green tea powder, are as follows：
Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1200rpm；
Tealeaves at 90 DEG C is steamed 85 seconds, pressure pan is sent into and vacuumizes holding 9 minutes, the high pressure of 6MPa is filled with into vacuum tank
Gas is kept for 15 minutes；
By tealeaves carry out it is stewing warm up processing, stewing processing environment temperature of warming up is 32 DEG C, ambient humidity 88%, and stewing to warm up processing time be 4 small
When；
Tealeaves is sent into colloid mill and is ground.
Embodiment 2, a kind of production method of instant green tea powder, are as follows：
Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1300rpm；
Tealeaves at 95 DEG C is steamed 90 seconds, pressure pan is sent into and vacuumizes holding 10 minutes, the height of 7MPa is filled with into vacuum tank
It calms the anger body, is kept for 20 minutes；
By tealeaves carry out it is stewing warm up processing, stewing processing environment temperature of warming up is 36 DEG C, ambient humidity 90%, and stewing to warm up processing time be 5 small
When；
Tealeaves is sent into colloid mill and is ground.
Embodiment 3, a kind of production method of instant green tea powder, are as follows：
Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1240rpm；
Tealeaves at 92 DEG C is steamed 87 seconds, pressure pan is sent into and vacuumizes holding 9.4 minutes, be filled with 6.3MPa's into vacuum tank
Gases at high pressure are kept for 15-20 minutes；
By tealeaves carry out it is stewing warm up processing, stewing processing environment temperature of warming up is boiled in a covered pot over a slow fire for 32-36 DEG C, ambient humidity 88-90% when warming up processing
Between for 4.4 it is small when；
Tealeaves is sent into colloid mill and is ground.
Embodiment 4, a kind of production method of instant green tea powder, are as follows：
Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1280rpm；
Tealeaves at 94 DEG C is steamed 88 seconds, pressure pan is sent into and vacuumizes holding 9.7 minutes, be filled with 6.8MPa's into vacuum tank
Gases at high pressure are kept for 18 minutes；
Tealeaves boil in a covered pot over a slow fire and warms up processing, for stewing processing environment temperature of warming up for 35 DEG C, ambient humidity 89% is stewing to warm up processing time for 4.8
Hour；
Tealeaves is sent into colloid mill and is ground, it is 10 μm to adjust colloid mill roll flute gap, grinds 3 times, obtains in colloid mill
Ultramicro grinding tea powder.
The tealeaves picked from same tea place through conventional method is handled, is dried to water content in 5-6%, random point
For totally 5 parts of experimental group, control group 1, control group 2, control group 3, control group 4, every part of 500g；
Experimental group is processed making instant green tea powder according to 4 mode of embodiment；
Control group 1 is cancelled tealeaves being sent into the hammer mill that rotating speed is 1280rpm and be cut on the basis of embodiment 4
Disconnected rubbing processing；
Control group 2 is cancelled on the basis of embodiment 4 and steams tealeaves at 94 DEG C 88 seconds, is sent into pressure pan and vacuumizes holding
9.7 minutes, the gases at high pressure of 6.8MPa are filled with into vacuum tank, are kept for 18 minutes；
Control group 3 is cancelled by tealeaves boil in a covered pot over a slow fire and warms up processing on the basis of embodiment 4, and stewing processing environment temperature of warming up is 35 DEG C, ring
Border humidity is 89%, it is stewing warm up processing time for 4.8 it is small when；
Tealeaves is sent directly into colloid mill by control group 4 to be ground, and it is 10 μm to adjust colloid mill roll flute gap, in colloid mill
Mill 3 times, obtains ultramicro grinding tea powder；
Obtained Ultramicro-powder is brewed by 5% quality than boiling water, detection brews rear tea slurry viscosity, tea powder retention ability, Yi Jicha
As a result polyphenol dissolution rate see the table below 1,2,3 respectively,
Table 1：
| Group | Experimental group | Control group 1 | Control group 2 | Control group 3 | Control group 4 |
| Tea slurry viscosity（MPa·S） | 1.245 | 1.220 | 1.237 | 0.035 | 0.012 |
As shown in Table 1, through embodiment 4, treated after instant green tea powder brews that obtained tea slurry viscosity is obviously higher than directly sent
Enter the obtained instant tea powder of grinding in colloid mill, specifically during verification, tealeaves boil in a covered pot over a slow fire and warms up processing, it is stewing to warm up processing environment
Temperature is 35 DEG C, ambient humidity 89%, it is stewing warm up processing time for 4.8 it is small when this process brew rear tea to improving instant tea powder
Slurry viscosity has key effect, and tealeaves is after boiling in a covered pot over a slow fire and warming up processing, and wherein gum components are oozed out from cell, so that tea powder brews
Stable suspension system can be formed afterwards；
Table 2：
| Group | Experimental group | Control group 1 | Control group 2 | Control group 3 | Control group 4 |
| Tea powder retention ability（G water/g tea） | 5.65 | 5.62 | 5.64 | 4.08 | 4.02 |
As shown in Table 2, through embodiment 4, treated after instant green tea powder brews that obtained tea powder retention ability is obviously higher than direct
The obtained instant tea powder of grinding in feeding colloid mill specifically during verification, tealeaves boil in a covered pot over a slow fire and warms up processing, stewing to warm up processing ring
Border temperature is 35 DEG C, ambient humidity 89%, it is stewing warm up processing time for 4.8 it is small when this process held to improving instant tea powder tea powder
Waterpower has key effect, and tealeaves is after boiling in a covered pot over a slow fire and warming up processing, and wherein gum components are oozed out from cell, so that after tea powder brews
It can keep higher retention ability；
Table 3：
| Group | Experimental group | Control group 1 | Control group 2 | Control group 3 | Control group 4 |
| Tea polyphenols dissolution rate（g/100g） | 2.75 | 2.05 | 1.48 | 2.72 | 1.05 |
As shown in Table 3, through embodiment 4, treated after instant green tea powder brews that tea polyphenols dissolution rate is obviously higher than is sent directly into glue
Obtained instant tea powder is ground in body grinder, specifically during verification, the tealeaves that drying is obtained is sent into rotating speed as 1280rpm's
Cut-out rubbing processing is carried out in hammer mill；
Tealeaves at 94 DEG C is steamed 88 seconds, pressure pan is sent into and vacuumizes holding 9.7 minutes, be filled with 6.8MPa's into vacuum tank
Gases at high pressure are kept for 18 minutes；This two procedure has key effect to improving instant tea powder tea polyphenols dissolution rate, will dry
To tealeaves be sent into rotating speed be 1280rpm hammer mill in carry out cut-out rubbing processing, tea cell wall can be sufficiently destroyed,
Tealeaves at 94 DEG C is steamed 88 seconds, pressure pan is sent into and vacuumizes holding 9.7 minutes, the high pressure of 6.8MPa is filled with into vacuum tank
Gas, 18 minutes chemical bonds that can make between macromolecular tea polyphenols substance and reference state tea polyphenols substance is kept to die down,
It destroys, improves the content of free state tea polyphenols.
Claims (5)
1. a kind of production method of instant green tea powder, which is characterized in that be as follows：
（1）Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1200-1300rpm；
（2）Tealeaves at 90-95 DEG C is steamed 85-90 seconds, pressure pan is sent into and vacuumizes holding 9-10 minutes, filled into vacuum tank
Enter the gases at high pressure of 6-7MPa, kept for 15-20 minutes；
（3）Tealeaves boil in a covered pot over a slow fire and warms up processing, stewing processing environment temperature of warming up is stewing to warm up processing for 32-36 DEG C, ambient humidity 88-90%
When time is 4-5 small；
（4）Tealeaves is sent into colloid mill and is ground.
2. a kind of production method of instant green tea powder according to claim 1, which is characterized in that
Obtained tealeaves feeding rotating speed will be dried to handle to carry out cut-out rubbing in the hammer mill of 1200rpm.
3. a kind of production method of instant green tea powder according to claim 1, which is characterized in that
Tealeaves at 90 DEG C is steamed 85 seconds, pressure pan is sent into and vacuumizes holding 10 minutes, the height of 7MPa is filled with into vacuum tank
It calms the anger body, is kept for 20 minutes.
4. a kind of production method of instant green tea powder according to claim 1, which is characterized in that
By tealeaves carry out it is stewing warm up processing, stewing processing environment temperature of warming up is 32 DEG C, ambient humidity 90%, and stewing to warm up processing time be 5 small
When.
5. a kind of production method of instant green tea powder according to claim 1-4 any one, which is characterized in that
Colloid mill roll flute gap is 10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042898.9A CN108041187A (en) | 2017-10-31 | 2017-10-31 | A kind of production method of instant green tea powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042898.9A CN108041187A (en) | 2017-10-31 | 2017-10-31 | A kind of production method of instant green tea powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108041187A true CN108041187A (en) | 2018-05-18 |
Family
ID=62119786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042898.9A Withdrawn CN108041187A (en) | 2017-10-31 | 2017-10-31 | A kind of production method of instant green tea powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108041187A (en) |
-
2017
- 2017-10-31 CN CN201711042898.9A patent/CN108041187A/en not_active Withdrawn
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Application publication date: 20180518 |