CN105248689A - Preparation method of ball-shaped yellow tea - Google Patents
Preparation method of ball-shaped yellow tea Download PDFInfo
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- CN105248689A CN105248689A CN201510747602.8A CN201510747602A CN105248689A CN 105248689 A CN105248689 A CN 105248689A CN 201510747602 A CN201510747602 A CN 201510747602A CN 105248689 A CN105248689 A CN 105248689A
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Abstract
The invention discloses a preparation method of ball-shaped yellow tea. The method is characterized by using finished loose yellow tea as the raw tea, and during preparation, firstly carrying out purification treatment on the raw tea and then preparing the purified raw tea into 5-17g of ball-shaped yellow tea, wherein the specific purification treatment steps are as follows: 1) firstly wetting the tea by utilizing purified water until the tea absorbs water to be saturated; then putting the wetted tea in the vacuum environment timely and drying the tea by applying microwave until the water content is not more than 8%; 2) repeating the step 1) at least once; 3) selecting the tea by wind, sieving the tea and removing pollutant residues, thus completing purification treatment of the raw tea. The preparation method has the beneficial effects that thorough purification of the inside and outside of the raw tea is achieved under the premise of not damaging the existing aroma, taste and quality of the tea, thus ensuring the hygiene and safety of the finally prepared ball-shaped yellow tea.
Description
Technical field
The present invention relates to the yellow tea preparation method of a kind of group shape.
Background technology
Applicant's previous application crosses the yellow tea preparation method of a kind of group shape, and the method, using the yellow tea loose tea of finished product as raw tea material, by by operations such as raw tea material humidification are softening, mold pressing is agglomerating, dry, obtains the yellow tea of group's shape of 5-17 required grammes per square metres.
Each the yellow tea of shape is the amount once brewed.When drinking, yellow for shape tea is put into tea set, with bubble with drinking.Along with brewing, the tealeaves on group's shape launches layer by layer, makes to brew new tealeaves at every turn and adds, make millet paste concentration from start to finish be tending towards even thus, and what extend group's shape tea brews number of times, improves the degree of resistance to bubble of tealeaves, improves tealeaves utilization rate.
Because the yellow tea loose tea of current finished product directly pays system by after fresh tea leaf harvesting usually, and fresh tea leaf not only surface attachment have the pollutant such as dust, worm's ovum, birds and beasts ight soil, pesticide residue, its inside is also remaining the pesticide molecule absorbed by tealeaves, thus, these pollutants enter finished product loose tea by along with the paying system of fresh leaf, and finally enter millet paste and endanger the healthy of drinking person.
Summary of the invention
For prior art Problems existing, the object of the present invention is to provide the yellow tea preparation method of a kind of improved shape.The method, by increasing cleaning procedure, removes the pollutant of raw tea material surface attachment, removes the pesticide residue of raw tea material inside, to ensure the safe and sanitary of the yellow tea of prepared group shape.
For achieving the above object, technical solution of the present invention is as follows:
The yellow tea preparation method of a kind of group shape, the method, using the yellow tea loose tea of finished product as raw tea material, during preparation, first carries out purified treatment to raw tea material, and then by softening for the raw tea material humidification after purifying, compression molding, drying, makes the yellow tea of group's shape of 5-17 grammes per square metres; Wherein, the concrete steps of described purified treatment 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.
Further, described purified treatment also comprises step:
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is≤55 DEG C, between be 60-80 DEG C with temperature temperature raising is in short-term impacted, the number of times that duration and curing that temperature raising is in short-term impacted at every turn temperature raising in short-term of inserting in process is impacted is determined according to the fragrance of tealeaves;
Further, described 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.
The yellow tea loose tea of finished product is streak, and tealeaves only has outside the surface of 10% is exposed to, the surface of 90% is packed to as inner surface, and correspondingly, the dust on 90% tealeaves surface, worm's ovum, birds and beasts ight soil, agriculture is residual is wrapped in streak tealeaves.The present invention is when to raw tea material purified treatment, first that tealeaves humidification is saturated to absorbing water, and streak tealeaves is launched, makes the surface of tealeaves all become outer surface, thus for tealeaves surface contaminant stripping, remove and create conditions.
Heating using microwave is body heating, is heated inside and outside tealeaves simultaneously.Along with the applying of microwave, the moisture being absorbed into tealeaves inside during humidification is heated simultaneously and from inside to outside moves simultaneously, and the hydrone moving to tealeaves surface in a large number has then been actuated the pollutant stripping on tealeaves surface, come off.The degraded of agricultural chemicals comprises thermal decomposition and rising 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.Along with tealeaves Cell uptake microwave vibrations, heating, also promote pesticide molecule from the stripping tealeaves cell, the hydrone from inside to outside moved then achieves the product after by residual for agriculture molecule and degraded thereof from the inner transport to tealeaves surface of tealeaves, discharge simultaneously.Selection by winnowing, screening operation achieve the final removing to the pollutant come off from tealeaves surface.
Finished product loose tea has formed distinctive organoleptic quality, after dry tea absorbs water again, if run into suitable temperature again under aerobic state, further biological oxidation (being commonly called as " fermentation ") will occur in tealeaves, and changes the existing fragrance of the yellow tea of finished product, 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 finished product loose tea humidification again of drying, the fragrance of tealeaves, flavour can be weakened.After tealeaves being carried out to selection by winnowing, screening, increase baking step, and impact in the temperature raising in short-term of curing process special secondary school door and arrange 60-80 DEG C, can excite tea aroma, 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 present invention, under not damaging tealeaves and having the prerequisite of fragrance, flavour, quality, achieves the thorough purification inside and outside to raw tea material, ensure that the safe and sanitary of the yellow tea of final prepared group's shape.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
embodiment 1
Using Huoshan, yellow tea finished product loose tea is as the yellow tea of raw tea material preparation group shape, and concrete steps are as follows:
1) first, finished product loose tea is 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, obtains required purification 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 the object applying the impact of temperature raising is in short-term excite tea aroma, and strengthening tea flavour, makes up 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;
Step 3) 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;
5) by softening for the raw tea material humidification after purification, compression molding, drying, the yellow tea of group's shape of 5-17 grammes per square metres is made;
It is to be noted, the object increasing step 4) makes up finished product loose tea because adding wet water absorbent by the fragrance, the flavour that weaken, make the fragrance of raw tea material, flavour returns to the state before purification, and in the yellow tea forming process of follow-up group's shape, also raw tea material humidification can be softened, therefore, in order to Simplified flowsheet, enhance productivity, when purified treatment is carried out to raw tea material, can not step 4) be carried out, and be undertaken being used for exciting the temperature raising in short-term of tea aroma impact to be put in the forming process of the yellow tea of follow-up group's shape.In addition, be all in order to should raw tea material be purified to the series of measures taked during raw tea material purified treatment, avoid the active ingredient in tealeaves to run off again, do not lose the existing fragrance of raw tea material, flavour.Equally, in order to ensure the quality of the yellow tea of prepared group shape, needing equally during preparation to prevent the active ingredient in tealeaves to run off, not losing the existing fragrance of raw tea material, flavour.Concrete steps raw tea material after purification being made the yellow tea of a shape can consult ZL201310428269.5 patent.
embodiment 2
The yellow tea of preparation group shape using Pingyang. Zhejiang yellow stuff finished product loose tea as raw tea material, concrete steps are as follows:
1) first, finished product loose tea is 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, obtains required purification finished product loose tea;
5) by softening for the raw tea material humidification after purification, compression molding, drying, the yellow tea of group's shape of 5-17 grammes per square metres is made.
embodiment 3
The yellow tea of preparation group shape using Yuanan Luyuan Tea finished product loose tea as raw tea material, concrete steps are as follows:
1) first, finished product loose tea is 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, obtains required purification finished product loose tea;
5) by softening for the raw tea material humidification after purification, compression molding, drying, the yellow tea of group's shape of 5-17 grammes per square metres is made.
embodiment 4
The yellow tea of preparation group shape using root of Kwangtung Glorybower leaf finished product loose tea as raw tea material, concrete steps are as follows:
1) first, finished product loose tea is 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, obtains required purification finished product loose tea;
5) by softening for the raw tea material humidification after purification, compression molding, drying, the yellow tea of group's shape of 5-17 grammes per square metres is made.
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 (5)
1. the yellow tea preparation method of group's shape, the method, using the yellow tea loose tea of finished product as raw tea material, is characterized in that, during preparation, first purified treatment is carried out to raw tea material, and then by softening for the raw tea material humidification after purifying, compression molding, drying, make the yellow tea of group's shape of 5-17 grammes per square metres; Wherein, the concrete steps of described purified treatment 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.
2. preparation method as claimed in claim 1, it is characterized in that, described purified treatment also comprises step:
4) by tea baking to moisture content≤6%, the basic stoving temperature cured in process is≤55 DEG C, between be 60-80 DEG C with temperature temperature raising is in short-term impacted, the number of times that duration and curing that temperature raising is in short-term impacted at every turn temperature raising in short-term of inserting in process is impacted is determined according to the fragrance of tealeaves;
Further, described step 3), 4) order can exchange.
3. preparation method as claimed in claim 2, it is characterized in that, in described step 4), the basic stoving temperature cured in process is≤50 DEG C.
4. preparation 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.
5. preparation 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.
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Citations (4)
| 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 |
| CN103493911A (en) * | 2013-09-18 | 2014-01-08 | 林志宾 | Preparation method and product of tuan-shaped yellow tea (tuan is a Chinese character) |
| CN103535455A (en) * | 2013-11-01 | 2014-01-29 | 林志宾 | Compressed yellow tea preparation method and compressed yellow tea product |
| CN103719422A (en) * | 2014-01-23 | 2014-04-16 | 杨正龙 | Camellia black tea and manufacturing method thereof |
-
2015
- 2015-11-06 CN CN201510747602.8A patent/CN105248689A/en active Pending
Patent Citations (4)
| 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 |
| CN103493911A (en) * | 2013-09-18 | 2014-01-08 | 林志宾 | Preparation method and product of tuan-shaped yellow tea (tuan is a Chinese character) |
| CN103535455A (en) * | 2013-11-01 | 2014-01-29 | 林志宾 | Compressed yellow tea preparation method and compressed yellow tea product |
| CN103719422A (en) * | 2014-01-23 | 2014-04-16 | 杨正龙 | Camellia black tea and manufacturing method thereof |
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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 |
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Application publication date: 20160120 |