CN107242309A - A kind of production method of selenium-rich green tea - Google Patents
A kind of production method of selenium-rich green tea Download PDFInfo
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- CN107242309A CN107242309A CN201710381238.7A CN201710381238A CN107242309A CN 107242309 A CN107242309 A CN 107242309A CN 201710381238 A CN201710381238 A CN 201710381238A CN 107242309 A CN107242309 A CN 107242309A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a kind of production method of selenium-rich green tea, it is related to Tea Production technical field, including：Plantation --- harvesting --- frying --- finished product, implantation methods of the invention by optimizing tea tree, are improved in tea tree planting to soil, and in tea tree manages, apply biological nano Selenium-rich nutrient solution by the way of blade spraying, effectively raise the Se content of fresh tea leaf；The production technology of green tea is improved simultaneously, the quality of green tea is improved, while decreasing in manufacturing process, the loss of Se content, the selenium-rich green tea of preparation, tea leaf quality is good, and Se content is high and is easy to absorb.
Description
Technical field：
The present invention relates to Tea Production technical field, it is more particularly related to a kind of production method of selenium-rich green tea.
Background technology：
Green tea, is the one kind of " circle fried green ", and its tea residue is yellowish green bright, and bud-leaf is complete, also known as " flat fried green ", because originating from Zhejiang Province
Shaoxing County par town and gain the name, be refined into outlet tea and claim green tea or " flat green ".Green tea mainly originates in Shaoxing, Yuyao, Shengzhou, new
The counties such as prosperous, Yin states, Shangyu, Fenghua, Dongyang.The domestic mountain ridge disk knot in producing region, forest benefit is emerald green, and fertile soil, weather is warm and humid, natural
Condition is richly endowed by nature.Green tea is described as " green pearl ", stub Northwest Africa, and also there are certain market in the U.S., France.
Selenium is the essential trace elements of the human body.Chinese Soclety of Nutrition also by selenium be classified as 15 kinds of nutrients needed by human it
One, a large amount of clinical trial both at home and abroad are bright, and human body selenium deficiency can cause the functional disturbance of some vitals, cause many serious diseases
Occur, more than 40, whole world country is in selenium deficiency area, and several hundred million populations in Chinese 22 provinces are all in selenium deficiency or low selenium
Area, the incidence of disease such as these regional population tumour, hepatopathy, angiocardiopathies is very high.Research shows, low selenium or selenium deficiency crowd
The generation of pre- preventing tumor, hepatopathy etc. is not only able to by appropriate selenium-supply, and body immunity can be improved, safeguard the heart,
The vitals normal function such as liver, lung, stomach, prevents the generation of senile Cardial or cerebral vascular diseases.Selenium can not be synthesized in human body,
So to meet demand of the human body to selenium, it is necessary to daily Selenium Supplement.
Contained composition is many in green tea, mainly have caffeine, theophylline, theobromine, catechin, phenols, alcohols, aldehydes,
Acids, esters, carbohydrate, multivitamin, protein and amino acid etc..In tea also containing calcium, phosphorus, iron, fluorine, iodine, manganese,
The several mineral materials such as molybdenum, copper, germanium, magnesium, but Se content is relatively low, therefore it provides a kind of selenium-rich green tea, can not only improve green tea
Quality, be also beneficial to human body to the absorption of selenium and promote health.
The content of the invention：
It is an object of the invention to provide a kind of production method of selenium-rich green tea, the green tea prepared using this method, not only product
Quality is high, and Se content is high, is conducive to the absorption of human body.
The technical scheme that the present invention takes is as follows：
A kind of production method of selenium-rich green tea, it is characterised in that comprise the following steps：
（1）, tea seedling plantation：
Tea garden management：The tea place of 300~600 meters or so of height above sea level is selected, before plantation, soil is improved：Ploughing soil is equal
It is even, then apply selenium-rich soil modifying agent, modifying agent consumption is 80~120kg/ mus, and turns over uniform, holding 5-7 days again；
Then selenium-enriched organic fertilizer is applied, selenium-enriched organic fertilizer consumption is 200~300 kg/ mus, and soil then is ploughed into thin, conditioned soil is produced
Ground；
Cultivate administration：Tea seedling is planted by ranks spacing for 100*100cm kinds, plantation hole depth 50cm, the cm of diameter 25, tea seedling
Diameter is selected in more than 5cm sapling；When tea tree root soil moisture content is less than 20%, water once；The growth of tea plant phase
It is interior, apply a Selenium-rich nutrient solution every other month, added again once after picking tea-leaves every time；
（2）, harvesting：
Selection is starting to pluck fresh leaf around grain rains, and standard of plucking is two leaves and a bud；
（3）, frying：
Stir-frying-technology flow：--- --- fixing --- kneads --- drying --- packaging to fresh leaf for cleaning；
Cleaning：After fresh leaf is adopted back, selected, first impurity such as leaf, tea stalk etc. in removal tealeaves, the cleaning of selection bud-leaf,
The even tender neat fresh leaf of size, dries standby after cleaning；
Fixing：Fixing temperature control is at 275~280 DEG C, and fixation time is 5~6 minutes, and fresh leaf is after fixing, and blade becomes soft
It is soft, stalk folding and it is continuous, be easy to kneading for rear road, leaf color is changed into dark green, without red stalk red autumnal leaves, when green grass gas is wholly absent
It is off the pot, after fixing, water content of tea 55~60%；
Knead：Water-removing leaves is to be sent directly into kneading machine to be kneaded without spreading for cooling, and time of kneading 12~15 minutes treats that rolled twig rate reaches
To more than 90%；
Dry：Using three-stage drying, the control of first time drying temperature is at 120~150 DEG C, and time control was at 30~45 minutes, and the
After primary drying, water content of tea 35~45% or so, second of drying temperature control is at 100~120 DEG C, and time control is 45
~60 minutes, after second is dried, water content of tea 15~25% or so；Third time drying temperature is controlled in 60~75 DEG C, time
90~120 minutes, water content of tea 5~6% or so.
（4）, packaging：The gross tea that will be made after drying, through spreading for cooling, weeds out tea dust, removes impurity removing etc., you can be packaged into
Product.
Be further disposed in：
Step（1）In, soil selection topsoil is black podzol, and underearth is oily red soil.
Step（1）In, selenium-rich soil modifying agent selects the selenium-rich that selenium-rich agricultural technology research institute of Beijing middle peasant's selenium section produces
Soil conditioner, or the selenium-rich soil modifying agent that selenium carefree modern agriculture Science and Technology Ltd. in Anhui produces.
Step（1）In, the preparation method of selenium-enriched organic fertilizer is as follows：By selenium ore, animal wastes, maize straw, soy meal
By weight 1:5:20:15 ratio mixing, adds organic fertilizer microbial bacteria such as EM bacterium, in 45~60 DEG C of temperature, humidity 70%
Under the conditions of, compost, fermentation are formed.
Step（1）In, the Cultivate administration of tea tree is once trimmed to tea tree every other month, is made between adjacent tea tree
Spacing is 30cm.
Step（1）In, the Selenium-rich nutrient solution is rich using the graduate biological nano selenium of middle peasant's selenium section selenium-rich agricultural technology
Selenium nutrient solution, applying mode uses foliar spray, is more beneficial for tea tree absorption.
Step（2）In, fresh leaf Se content is after harvesting：5.8~6.2mg/kg.
Step（3）In, obtained selenium-rich green tea sample is detected that Se content is：3.8~4.8mg/kg.
Beneficial effects of the present invention are as follows：
1st, the implantation methods of tea tree are optimized, by being improved in tea tree planting to soil, and in tea tree manages, using leaf
The mode of piece spraying applies biological nano Selenium-rich nutrient solution, effectively raises the Se content of fresh tea leaf；
2nd, the production technology of green tea is improved, the quality of green tea is improved, while decreasing in manufacturing process, the stream of Se content
Lose.
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
Embodiment：
A kind of production method of selenium-rich green tea of the present invention, including：Plantation --- harvesting --- frying --- finished product.
First, the plantation of tea seedling：
1st, tea garden management：
The tea place of 300~600 meters or so of height above sea level is selected, so, tea tree is often in cloud and mist line, and growing way is vigorous, leaf thickness bud is strengthened,
Quality raw materials are provided to make green tea.
The preferred topsoil of soil is black podzol, and underearth is oily red soil, and before plantation, soil need to be improved：Will
Ploughing soil is uniform, then applies selenium-rich soil modifying agent, and modifying agent consumption is 80~120kg/ mus, and is turned over again uniformly,
Kept for 5-7 days；Then selenium-enriched organic fertilizer is applied, selenium-enriched organic fertilizer consumption is 200~300kg/ mus, soil then is ploughed into thin, i.e.,
Soil must be improved.
In the present embodiment, selenium-rich soil modifying agent selects the soil that selenium-rich agricultural technology research institute of Beijing middle peasant's selenium section produces
Modifying agent, certainly, alternatively, it would however also be possible to employ other companies production has such as the carefree modern agriculture science and technology of Anhui selenium
The selenium-rich soil modifying agent of limit company production.
In the present embodiment, the preparation method of selenium-enriched organic fertilizer is as follows：By selenium ore, animal wastes, maize straw, soy meal
By weight 1:5:20:15 ratio mixing, adds organic fertilizer microbial bacteria EM bacterium, in the bar of 45~60 DEG C of temperature, humidity 70%
Under part, compost, fermentation are formed.
2nd, Cultivate administration：
Plantation：Tea seedling is planted by ranks spacing for 100*100cm kinds, plantation hole depth 50cm, diameter 25cm, tea seedling selection
Sapling of the diameter in more than 5cm.
Management：
Tea tree is once trimmed every other month, it is 30cm to make the spacing between adjacent tea tree.
When tea tree root soil moisture content is less than 20%, water once.
In the growth of tea plant phase, apply a Selenium-rich nutrient solution every other month, added again once after picking tea-leaves every time.Selenium-rich is sought
Nutrient solution uses the graduate biological nano selenium Selenium-rich nutrient solution of middle peasant's selenium section selenium-rich agricultural technology（Model 500ml）, applying mode
Using foliar spray, tea tree absorption is more beneficial for.
2nd, pluck：
Harvesting：Selection is starting to pluck fresh leaf around grain rains, and standard of plucking is two leaves and a bud, it is desirable to which bud-leaf is stout and strong.
Fresh leaf Se content is detected after harvesting：5.8~6.2mg/kg
3rd, frying：
Stir-frying-technology flow：--- --- fixing --- kneads --- drying --- packaging to fresh leaf for cleaning.
1st, clear up：After fresh leaf is adopted back, selected, impurity such as leaf, tea stalk etc. in tealeaves are removed first, bud-leaf is selected
Clean, the even tender neat fresh leaf of size, dries standby after cleaning；
2nd, finish：Fixing temperature control is at 275~280 DEG C, and fixation time is 5~6 minutes, and fresh leaf is after fixing, and blade becomes
Softness, stalk folding and it is continuous, be easy to kneading for rear road, leaf color is changed into dark green, without red stalk red autumnal leaves, when green grass gas is wholly absent i.e.
Can be off the pot, after fixing, water content of tea 55~60%；
3rd, knead：Water-removing leaves is to be sent directly into kneading machine to be kneaded without spreading for cooling, and time of kneading 12~15 minutes treats rolled twig rate
Reach more than 90%；
4th, dry：Using three-stage drying, the control of first time drying temperature at 120~150 DEG C, time control at 30~45 minutes,
After drying for the first time, water content of tea 35~45% or so, second of drying temperature control is at 100~120 DEG C, and time control exists
45~60 minutes, after second is dried, water content of tea 15~25% or so；Third time drying temperature is controlled at 60~75 DEG C, when
Between 90~120 minutes, water content of tea 5~6% or so.
5th, pack：The gross tea that will be made after drying, through spreading for cooling, weeds out tea dust, removes impurity removing etc., you can be packaged into finished product.
Product checking：
Obtained selenium-rich green tea sample is detected that Se content is：3.8~4.8mg/kg, it can be seen that, by improving green tea
Manufacture craft, can effectively prevent the loss of selenium.
The innovation of the present invention is essentially consisted in：1st, the implantation methods of tea tree are optimized, by being carried out in tea tree planting to soil
Improvement, and in tea tree manages, apply biological nano Selenium-rich nutrient solution by the way of blade spraying, effectively raise tealeaves
The Se content of fresh leaf；2nd, the production technology of traditional green tea is improved, the quality of selenium-rich green tea is improved, was being made while decreasing
Cheng Zhong, the loss of Se content.
Claims (9)
1. a kind of production method of selenium-rich green tea, it is characterised in that comprise the following steps：
（1）, tea seedling plantation：
Tea garden management：The tea place of 300~600 meters or so of height above sea level is selected, before plantation, soil is improved：Ploughing soil is equal
It is even, then apply selenium-rich soil modifying agent, modifying agent consumption is 80~120kg/ mus, and turns over uniform, holding 5-7 days again；
Then selenium-enriched organic fertilizer is applied, selenium-enriched organic fertilizer consumption is 200~300 kg/ mus, and soil then is ploughed into thin, conditioned soil is produced
Ground；
Cultivate administration：Tea seedling is planted by ranks spacing for 100*100cm kinds, plantation hole depth 50cm, the cm of diameter 25, tea seedling
Diameter is selected in more than 5cm sapling；When tea tree root soil moisture content is less than 20%, water once；The growth of tea plant phase
It is interior, apply a Selenium-rich nutrient solution every other month, added again once after picking tea-leaves every time；
（2）, harvesting：
Selection is starting to pluck fresh leaf around grain rains, and standard of plucking is two leaves and a bud；
（3）, frying：
Stir-frying-technology flow：--- --- fixing --- kneads --- drying --- packaging to fresh leaf for cleaning；
Cleaning：After fresh leaf is adopted back, selected, first impurity such as leaf, tea stalk etc. in removal tealeaves, the cleaning of selection bud-leaf,
The even tender neat fresh leaf of size, dries standby after cleaning；
Fixing：Fixing temperature control is at 275~280 DEG C, and fixation time is 5~6 minutes, and fresh leaf is after fixing, and blade becomes soft
It is soft, stalk folding and it is continuous, be easy to kneading for rear road, leaf color is changed into dark green, without red stalk red autumnal leaves, when green grass gas is wholly absent
It is off the pot, after fixing, water content of tea 55~60%；
Knead：Water-removing leaves is to be sent directly into kneading machine to be kneaded without spreading for cooling, and time of kneading 12~15 minutes treats that rolled twig rate reaches
To more than 90%；
Dry：Using three-stage drying, the control of first time drying temperature is at 120~150 DEG C, and time control was at 30~45 minutes, and the
After primary drying, water content of tea 35~45% or so, second of drying temperature control is at 100~120 DEG C, and time control is 45
~60 minutes, after second is dried, water content of tea 15~25% or so；Third time drying temperature is controlled in 60~75 DEG C, time
90~120 minutes, water content of tea 5~6% or so.
2. packaging：The gross tea that will be made after drying, through spreading for cooling, weeds out tea dust, removes impurity removing etc., you can be packaged into finished product.
3. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（1）In, upper soll layer
Soil is black podzol, and underearth is oily red soil.
4. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（1）In, selenium-rich soil
Modifying agent selects the selenium-rich soil modifying agent that selenium-rich agricultural technology research institute of Beijing middle peasant's selenium section produces, or Anhui selenium is carefree existing
The selenium-rich soil modifying agent produced for agricultural science and technology Co., Ltd.
5. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（1）In, selenium-rich organic
The preparation method of fertilizer is as follows：By selenium ore, animal wastes, maize straw, soy meal by weight 1:5:20:15 ratio is mixed
Close, add organic fertilizer microbial bacteria such as EM bacterium, under conditions of 45~60 DEG C of temperature, humidity 70%, compost, fermentation are formed.
6. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（1）In, the kind of tea tree
Planting management, is once trimmed to tea tree every other month, and it is 30cm to make the spacing between adjacent tea tree.
7. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（1）In, the selenium-rich
Nutrient solution uses the graduate biological nano selenium Selenium-rich nutrient solution of middle peasant's selenium section selenium-rich agricultural technology, and applying mode is sprayed using blade face
Mist, is more beneficial for tea tree absorption.
8. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（2）In, it is fresh after harvesting
Leaf Se content is：5.8~6.2mg/kg.
9. a kind of production method of selenium-rich green tea according to claim 1, it is characterised in that：Step（3）Obtained gross tea,
Se content is：3.8~4.8mg/kg.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107986825A (en) * | 2017-12-21 | 2018-05-04 | 温州中壹技术服务有限公司 | A kind of Tea planting soil improvement method |
| CN108055966A (en) * | 2018-01-08 | 2018-05-22 | 陈石磊 | A kind of implantation methods of selenium-rich oil tea |
| CN111937978A (en) * | 2020-08-20 | 2020-11-17 | 贵州开阳蓝芝茶叶开发有限责任公司 | Preparation method of selenium-rich black tea |
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