CN105265622A - Yellow tea purification method - Google Patents
Yellow tea purification method Download PDFInfo
- Publication number
- CN105265622A CN105265622A CN201510745335.0A CN201510745335A CN105265622A CN 105265622 A CN105265622 A CN 105265622A CN 201510745335 A CN201510745335 A CN 201510745335A CN 105265622 A CN105265622 A CN 105265622A
- Authority
- CN
- China
- Prior art keywords
- tea
- tealeaves
- temperature
- pure water
- vacuum environment
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Tea And Coffee (AREA)
Abstract
The invention discloses a yellow tea purification method. The yellow tea purification method is used for conducting purification treatment on primary yellow tea or fine yellow tea and comprises the specific steps that 1, tea is wetted by using purified water till the tea absorbing the water is saturated, the temperature of the tea in the wetting process is controlled to be smaller than or equal to 28 DEG C, then the wetted tea is timely put in a vacuum environment and is dried by applying microwaves till the moisture content is smaller than or equal to 8%, and the temperature of the tea is controlled to be smaller than or equal to 55 DEG C; 2, the step 1 is repeated for at least one time; 3, air separation and screening are conducted on the tea; 4, the tea is baked till the moisture content is smaller than or equal to 6%, and required purified yellow tea is obtained. The yellow tea purification method achieves thorough purification of the inside and outside of the tea on the premise that the aroma, taste and quality of the tea are not destroyed and ensures that the tea is hygienic and safe.
Description
Technical field
The present invention relates to a kind of purification method of yellow tea, the purification method of especially a kind of yellow tea gross tea and the yellow tea loose tea of finished product.
Background technology
After yellow tea fresh leaves is plucked, making gross tea through completing, at the beginning of vexed Huang, the operation such as drying, then picking through picking, the operation such as selection by winnowing, complex fire is processed into finished product Huang tea loose tea (calling smart tea in the following text).Owing to directly paying system after leaf picking, the tealeaves made inevitably is attached with the pollutants such as dust, worm's ovum, birds and beasts ight soil, agriculture be residual.Especially agriculture is residual, is not only attached to tealeaves surface, also has part and is absorbed by tealeaves.And drinking along with people, the pollutant on tealeaves will enter millet paste, and threaten the healthy of drinking person.
Summary of the invention
For prior art Problems existing, the object of the present invention is to provide a kind of purification method of yellow tea, to remove the pollutant of yellow tea surface attachment, the agriculture of removing tealeaves inside is residual, ensures the safe and sanitary of yellow tea.
For achieving the above object, technical solution of the present invention is as follows:
A purification method for yellow tea, the method is used for carrying out purified treatment to yellow tea gross tea or the yellow tea loose tea of finished product, and concrete steps are:
1) first, utilizing pure water that tealeaves humidification is saturated to absorbing water, in humidification, controlling tealeaves temperature≤28 DEG C, control pure water simultaneously and add speed and addition, avoid tea juice to run off; Then, the tealeaves after humidification is placed in vacuum environment in time, and by applying microwave by tea-drying to moisture content≤8%; By regulating the vacuum of vacuum environment, microwave power and/or microwave continuous application time, to control tealeaves temperature≤55 DEG C;
2) step 1) repeats at least one times;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is≤55 DEG C, between with temperature be 60-80 DEG C temperature raising in short-term impact, finally obtain the yellow tea of required purification, the number of times that duration of impacting of temperature raising in short-term and curing temperature raising in short-term of inserting in process is impacted at every turn is determined according to the fragrance of tealeaves;
Wherein, step 3), 4) order can exchange.
Further, in described step 4), the basic stoving temperature cured in process is≤50 DEG C.
Further, in described step 1), the humidification of tealeaves is specially: first spray pure water to tealeaves and mix thoroughly or utilize atomization pure water to infiltrate tealeaves, then the tealeaves after adding water being placed in vacuum environment and leaving standstill.
Further, in described step 1), the humidification of tealeaves is specially: tealeaves to be humidified is placed in vacuum environment, in vacuum environment, sprays pure water to tealeaves and mix rear leaving standstill thoroughly, or leaving standstill after utilizing atomization pure water to infiltrate tealeaves.
It is residual that pollutant on tealeaves comprises the dust, worm's ovum, birds and beasts ight soil, the agriculture that are attached to tealeaves surface, also comprises the agriculture being absorbed into tealeaves inside residual; Yellow tea gross tea and the yellow tea loose tea of finished product are all in streak, and the surface of tealeaves 90% is wrapped and becomes inner surface.First purification method of the present invention by saturated to absorbing water for yellow tea gross tea or finished product yellow tea loose tea humidification, making streak tealeaves launch, making the surface of tealeaves all become outer surface, for the stripping of surface contaminant creates condition.Heating using microwave is body heating, is namely heated inside and outside tealeaves simultaneously, and along with the applying of microwave, from inside to outside move after the moisture being absorbed into tealeaves inside is heated, the hydrone moving to tealeaves surface in a large number has then actuated the stripping of tealeaves surface contaminant simultaneously.The degraded of agricultural chemicals comprises thermal decomposition and volatilization, temperature is higher, thermal decomposition is more abundant, volatilization is then except temperature influence, the more important thing is that the reduction evaporation rate along with ambient pressure environment will be accelerated greatly, thus, vacuum environment and heating using microwave facilitate the degraded that tealeaves is surperficial and inner agriculture is residual greatly.Heating using microwave also promotes Pesticides in Tea medicine chemical molecular from the stripping tealeaves cell, the hydrone from inside to outside moved then achieve the product after by residual for agriculture molecule and degraded thereof from the inner transport to tealeaves surface of tealeaves, come off.Selection by winnowing, screening operation achieve the final removing to the pollutant come off from tealeaves surface.
The distinctive organoleptic quality of yellow tea is just formed at gross tea or smart tea stage.After dry tea absorbs water again, if run into suitable temperature again under aerobic state, further biological oxidation (being commonly called as " fermentation ") will be there is in tealeaves, and change yellow tea gross tea or the existing fragrance of smart tea, flavour.Therefore, in order to reduce this impact as far as possible, during humidification of the present invention, 1. controlling the addition of pure water, avoiding adding dilutional hyponatremia and causing tea juice to run off; 2. control tealeaves temperature, avoid or reduce tealeaves water suction its inside rear as far as possible the biochemical reactions such as non-enzymatic oxidation, microbial growth occur.Tealeaves to be humidified is placed in vacuum environment, and in vacuum environment, spray pure water or utilize atomization pure water to infiltrate, first vacuumizing and exhausting, rear infiltration, the effect that vacuumizes again can be produced, not only be conducive to the gas of discharging tealeaves absorption, and enable water immerse tealeaves inside fast, more easily infiltrate whole tealeaves, shorten humidification periods, reduce the biochemical reaction in tealeaves.In vacuum environment, humidification is with standing, reduces the oxygen content in environment, can suppress the further generation of the various biological oxidations of aerobic participation in tealeaves, is to keep the original quality of tealeaves to create necessary condition.
By the gross tea of drying or smart tea humidification again, the fragrance of tealeaves, flavour can be weakened.For this reason, the present invention cures in process the later stage, is specially provided with temperature raising in short-term and impacts, utilize the temperature raising shock-excitation tea aroma of 60-80 DEG C, and strengthening tea flavour, makes the fragrance of tealeaves, flavour returns to the state before purification, even stronger.And after tealeaves moisture content≤8%, even if under the short time high temperature of 80 DEG C, also can not there is undesirable biochemical reaction and affect the quality of tealeaves in tealeaves inside.
In a word, the inventive method, under not damaging tealeaves and having the prerequisite of fragrance, flavour, quality, achieves the thorough purification inside and outside to tealeaves, ensure that the safe and sanitary of tealeaves.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
embodiment 1
Purification object: the yellow tea gross tea in Huoshan or finished product loose tea
Purifying step is as follows:
1) first, gross tea or finished product loose tea are poured into bamboo sieve and make thinner, spray pure water and carry out humidification;
For avoiding pure water fountain height too much, causing tea juice to run off, spraying pure water and carrying out several times, all mix thoroughly after each water spray and beat heap, to make moisture content be fully drawn in tealeaves, until tealeaves water suction is saturated.After each water spray, all timely being moved to by tealeaves in vacuum environment leaves standstill, and controls tealeaves temperature≤28 DEG C simultaneously;
To tealeaves humidification except spraying pure water, leave standstill after atomization pure water also can be utilized to be infiltrated by tealeaves;
Then, the tealeaves after humidification is placed in vacuum environment in time, and by applying microwave by tea-drying to moisture content≤8%;
In dry run, by regulating vacuum and the microwave power of vacuum environment, to control tealeaves temperature≤50 DEG C, to avoid undesirable biochemical reaction occurs in tealeaves, and affecting fragrance, the flavour of tealeaves, affecting the quality of tealeaves.Certainly, except regulating microwave power, can also adopt simultaneously intermittently apply microwave, and control the mode of each microwave continuous application time, control tealeaves temperature≤50 DEG C;
2) step 1) repeats once;
The object that step 1) repeats is to make the pollutant of tealeaves surface attachment reliably peel off, come off, and make residual the obtaining of the inner agriculture of tealeaves degrade as far as possible thoroughly and remove, therefore, for reaching this object, repeat number of times can be once, secondary, three times, even more times;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is 45 DEG C, applies that at least 2 temperature are 60 DEG C, the temperature raising in short-term of 15 minutes duration is impacted period, finally obtains required purification gross tea or finished product loose tea;
The teas (degree of fermentation is 10-20%) of the micro-fermentation of yellow Camellia, it cures, the temperature of Titian is also on the low side than other teas.Therefore, cardinal temperature≤55 DEG C of curing, between high-temperature region 60-80 DEG C;
Curing in process and applying the object that temperature raising in short-term impacts is excite tea aroma, and strengthening tea flavour, makes up gross tea or finished product loose tea because adding wet water absorbent by the fragrance, the flavour that weaken.The duration that each temperature raising is in short-term impacted and the whole number of times curing the impact of temperature raising in short-term of inserting in process are determined according to the fragrance of tealeaves.The temperature that temperature raising is in short-term impacted is higher, and the duration that each temperature raising is impacted should be shorter.The duration that each temperature raising is impacted no more than 15 minutes, does not then affect its original quality;
It is pointed out that above-mentioned steps 3 at this) and 4) order can exchange.Certainly, first remove pollutant residue, then carry out high bake temperature, contribute to the secondary pollution of preventing pollution thing.
embodiment 2
Purification object: Pingyang. Zhejiang yellow stuff gross tea or finished product loose tea
Purifying step is as follows:
1) first, gross tea or finished product loose tea are inserted in vacuum environment, in vacuum environment, spray pure water or utilize atomization pure water infiltrate tealeaves and leave standstill, control tealeaves temperature≤25 DEG C, until tealeaves water suction is saturated simultaneously;
Then, the tealeaves after humidification is placed in vacuum environment, and by applying microwave by tea-drying to moisture content≤8%;
In dry run, by regulating vacuum and the microwave power of vacuum environment, control tealeaves temperature≤55 DEG C;
2) step 1) repeats secondary;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is 50 DEG C, applies that at least 2 temperature are 65 DEG C, the temperature raising in short-term of 10 minutes duration is impacted period, finally obtains required purification gross tea or finished product loose tea.
embodiment 3
Purification object: Yuanan Luyuan Tea gross tea or finished product loose tea
Purifying step is as follows:
1) first, gross tea or finished product loose tea are inserted in vacuum environment, in vacuum environment, spray pure water or utilize atomization pure water soak tealeaves and leave standstill, control tealeaves temperature≤20 DEG C simultaneously;
Then, the tealeaves after humidification is placed in vacuum environment, and by applying microwave by tea-drying to moisture content≤8%;
In dry run, by regulating vacuum and the microwave power of vacuum environment, control tealeaves temperature≤50 DEG C;
2) step 1) in triplicate;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is 45 DEG C, applies that at least 2 temperature are 60 DEG C, the temperature raising in short-term of 5 minutes duration is impacted period, finally obtains required purification gross tea or finished product loose tea.
embodiment 4
Purification object: root of Kwangtung Glorybower leaf gross tea or finished product loose tea
Purifying step is as follows:
1) first, gross tea or finished product loose tea are inserted in vacuum environment, in vacuum environment, spray pure water or utilize atomization pure water soak tealeaves and leave standstill, control tealeaves temperature≤18 DEG C simultaneously;
Then, the tealeaves after humidification is placed in vacuum environment, and by applying microwave by tea-drying to moisture content≤8%;
In dry run, by regulating vacuum and the microwave power of vacuum environment, control tealeaves temperature≤50 DEG C;
2) step 1) in triplicate;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is 40 DEG C, applies that at least 2 temperature are 75 DEG C, the temperature raising in short-term of 15 minutes duration is impacted period, finally obtains required purification gross tea or finished product loose tea.
Above-mentioned example is just for illustration of the present invention; embodiments of the present invention are not limited to these examples, and the various detailed description of the invention meeting inventive concept that those skilled in the art make according to the principle introduced in description of the present invention are all within protection scope of the present invention.
Claims (4)
1. a purification method for yellow tea, is characterized in that, the method is used for carrying out purified treatment to yellow tea gross tea or the yellow tea loose tea of finished product, and concrete steps are:
1) first, utilizing pure water that tealeaves humidification is saturated to absorbing water, in humidification, controlling tealeaves temperature≤28 DEG C, control pure water simultaneously and add speed and addition, avoid tea juice to run off; Then, the tealeaves after humidification is placed in vacuum environment in time, and by applying microwave by tea-drying to moisture content≤8%; By regulating the vacuum of vacuum environment, microwave power and/or microwave continuous application time, to control tealeaves temperature≤55 DEG C;
2) step 1) repeats at least one times;
3) selection by winnowing, screening are carried out to tealeaves, remove pollutant residue;
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is≤55 DEG C, between with temperature be 60-80 DEG C temperature raising in short-term impact, finally obtain the yellow tea of required purification, the number of times that duration of impacting of temperature raising in short-term and curing temperature raising in short-term of inserting in process is impacted at every turn is determined according to the fragrance of tealeaves;
Wherein, step 3), 4) order can exchange.
2. purification method as claimed in claim 1, it is characterized in that, in described step 4), the basic stoving temperature cured in process is≤50 DEG C.
3. purification method as claimed in claim 1, it is characterized in that, in described step 1), the humidification of tealeaves is specially: first spray pure water to tealeaves and mix thoroughly or utilize atomization pure water to infiltrate tealeaves, then the tealeaves after adding water being placed in vacuum environment and leaving standstill.
4. purification method as claimed in claim 1, is characterized in that, in described step 1), the humidification of tealeaves is specially: tealeaves to be humidified is placed in vacuum environment, in vacuum environment, spray pure water to tealeaves and mix rear leaving standstill thoroughly, or leaving standstill after utilizing atomization pure water to infiltrate tealeaves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510745335.0A CN105265622A (en) | 2015-11-06 | 2015-11-06 | Yellow tea purification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510745335.0A CN105265622A (en) | 2015-11-06 | 2015-11-06 | Yellow tea purification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105265622A true CN105265622A (en) | 2016-01-27 |
Family
ID=55136131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510745335.0A Pending CN105265622A (en) | 2015-11-06 | 2015-11-06 | Yellow tea purification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105265622A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669313A (en) * | 2012-05-25 | 2012-09-19 | 重庆市天岗玉叶茶业有限公司 | Roasted famous high-quality green tea and production process thereof |
| CN103330023A (en) * | 2013-07-11 | 2013-10-02 | 山东华夏茶联茶业有限公司 | Making technology of green tea product |
| CN103535455A (en) * | 2013-11-01 | 2014-01-29 | 林志宾 | Compressed yellow tea preparation method and compressed yellow tea product |
| CN103549047A (en) * | 2013-11-07 | 2014-02-05 | 林志宾 | Preparation method of compressed tea |
| CN103609757A (en) * | 2013-11-20 | 2014-03-05 | 广西罗城新科双全有机食品有限公司 | Processing method of yellow tea |
| CN103689156A (en) * | 2013-12-11 | 2014-04-02 | 浙江茗皇天然食品开发有限公司 | Processing method of instant tea with less organophosphorus pesticide residue |
| CN103719422A (en) * | 2014-01-23 | 2014-04-16 | 杨正龙 | Camellia black tea and manufacturing method thereof |
| CN104026272A (en) * | 2013-03-04 | 2014-09-10 | 四川早白尖茶业有限公司 | Processing method for Congou black tea |
| CN104663933A (en) * | 2015-02-17 | 2015-06-03 | 杭州艺福堂茶业有限公司 | Disposable tea processing technology |
| CN104719517A (en) * | 2015-03-11 | 2015-06-24 | 福建闽涵农业综合开发有限公司 | Processing method of wheat-flavor black tea |
-
2015
- 2015-11-06 CN CN201510745335.0A patent/CN105265622A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102669313A (en) * | 2012-05-25 | 2012-09-19 | 重庆市天岗玉叶茶业有限公司 | Roasted famous high-quality green tea and production process thereof |
| CN104026272A (en) * | 2013-03-04 | 2014-09-10 | 四川早白尖茶业有限公司 | Processing method for Congou black tea |
| CN103330023A (en) * | 2013-07-11 | 2013-10-02 | 山东华夏茶联茶业有限公司 | Making technology of green tea product |
| CN103535455A (en) * | 2013-11-01 | 2014-01-29 | 林志宾 | Compressed yellow tea preparation method and compressed yellow tea product |
| CN103549047A (en) * | 2013-11-07 | 2014-02-05 | 林志宾 | Preparation method of compressed tea |
| CN103609757A (en) * | 2013-11-20 | 2014-03-05 | 广西罗城新科双全有机食品有限公司 | Processing method of yellow tea |
| CN103689156A (en) * | 2013-12-11 | 2014-04-02 | 浙江茗皇天然食品开发有限公司 | Processing method of instant tea with less organophosphorus pesticide residue |
| CN103719422A (en) * | 2014-01-23 | 2014-04-16 | 杨正龙 | Camellia black tea and manufacturing method thereof |
| CN104663933A (en) * | 2015-02-17 | 2015-06-03 | 杭州艺福堂茶业有限公司 | Disposable tea processing technology |
| CN104719517A (en) * | 2015-03-11 | 2015-06-24 | 福建闽涵农业综合开发有限公司 | Processing method of wheat-flavor black tea |
Non-Patent Citations (1)
| Title |
|---|
| 李少林: "《中国茶话全书》", 31 August 2007 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105341190A (en) | Preparation method of compressed black tea | |
| CN105248699A (en) | Preparation method of compressed white tea | |
| CN105265626A (en) | Purification method for white tea | |
| CN105265622A (en) | Yellow tea purification method | |
| CN105248701A (en) | Preparation method of compressed oolong tea | |
| CN105360363A (en) | Purification method of black tea | |
| CN105360364A (en) | Purification method of dark tea | |
| CN105248687A (en) | Dark tea purifying method | |
| CN105248693A (en) | Preparation method of compressed black tea | |
| CN105432823A (en) | Green tea type tea bag preparing method | |
| CN105532927A (en) | Preparation method of dark tea bag | |
| CN105265623A (en) | Purification method for green tea | |
| CN105248697A (en) | Preparation method of compressed yellow tea | |
| CN105265625A (en) | Yellow tea purification method | |
| CN105265628A (en) | Compressed black tea making method | |
| CN105265621A (en) | Oolong purification method | |
| CN105265627A (en) | Purification method for white tea | |
| CN105265619A (en) | Black tea purification method | |
| CN105248702A (en) | Preparation method of compressed green tea | |
| CN105248689A (en) | Preparation method of ball-shaped yellow tea | |
| CN105265620A (en) | Oolong purification method | |
| CN105265624A (en) | Purification method for green tea | |
| CN105248691A (en) | Preparation method of ball-shaped dark tea | |
| CN105248692A (en) | Preparation method of ball-shaped black tea | |
| CN105248698A (en) | Preparation method of compressed yellow tea |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 354200 Nanping City, Fujian province Jianyang District Pang Qi Road No. 6 Applicant after: Lin Zhibin Address before: 104, room 11, building 66, Wuyi Road, Wuyi Road, Nanping, Fujian, Wuyishan 354300, China Applicant before: Lin Zhibin |
|
| COR | Change of bibliographic data |