CN106035762A - Green tea preparation method capable of removing pesticides from tea leaves - Google Patents
Green tea preparation method capable of removing pesticides from tea leaves Download PDFInfo
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- CN106035762A CN106035762A CN201610403253.2A CN201610403253A CN106035762A CN 106035762 A CN106035762 A CN 106035762A CN 201610403253 A CN201610403253 A CN 201610403253A CN 106035762 A CN106035762 A CN 106035762A
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- tea
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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
-
- 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
- A23F3/08—Oxidation; Fermentation
Abstract
The invention relates to a green tea preparation method capable of removing pesticides from tea leaves. The method comprises steps as follows: a, cleaning of fresh leaves; b, removal of the pesticides; c, fixation; d, fermentation; e, spreading for cooling; f, roasting; g, aroma increasing; h, high-temperature steaming; I, cooling and roasting: the tea leaves subjected to treatment in the step h are shaped or subjected to bulk packaging, then transferred to a cooling house for roasting at the temperature controlled to range from 18 DEG C to 28 DEG C, roasted and cooled for 20-25 days, then subjected to quality inspection and put into storage. The method has the beneficial effects as follows: multiple tedious toxin removal methods for tea trees, tea gardens and the like can be omitted, the dry tea pesticide residues can be removed successfully, tea completely reaches the tea leave export standard after being tested by a quick test meter for tea leave pesticide residues, the method has a reduction effect, the peculiar smell of dry tea leaves can be removed, a lot of labor is omitted for commercial application, the effect and the efficiency are significant, and the method is applicable to green tea, black tea, white tea, oolong tea and the like.
Description
Technical field
The present invention relates to a kind of green tea preparation method that can remove Pesticides in Tea medicine.
Background technology
Tea is the edible beverage being daily drunk by people, if with the persticide residue exceeded standard in Folium Camelliae sinensis.By serious shadow
Ring the physical and mental health of people, cause immeasurable injury to human body.Therefore in Folium Camelliae sinensis, remove agriculture residual, have highly important
Meaning.
Having on market except the residual product of agriculture, working environment all must be carried out in liquid (liquid phase), and agriculture residual exceed standard dry
Sample tea leaf not in liquid phase except agriculture residual steep in water because Folium Camelliae sinensis is invaded, the composition of Folium Camelliae sinensis will be leached at once, become tea,
Drying as dry product Folium Camelliae sinensis can only be tea grounds again, so it is infeasible for removing agriculture residual in liquid phase environment.
And (vapor phase method) is except the residual blank that is currently of agriculture in the air that dry product Folium Camelliae sinensis is in casing, the particularity of dry product Folium Camelliae sinensis
As easy as rolling off a log absorption abnormal flavour, uses O3Gas has a strong impact on the taste of Folium Camelliae sinensis except the residual meeting of agriculture, because O3Stink be absorbed in dry product tea
Ye Li, changes the original fragrance of tea, mouthfeel, lingering musical sound, at once becomes of inferior quality Folium Camelliae sinensis.So using (gas phase) O3Except dry product tea
The agriculture of leaf is residual is an extremely difficult technical barrier, so far or a blank.
Summary of the invention
It is an object of the invention to provide a kind of green tea preparation method that can remove Pesticides in Tea medicine, it can effectively be removed: 1,
Organochlorine agriculture is residual；2, residues of organophosphate pesticides；3, the agriculture of chrysanthemum vinegar class is residual；4, dicofol；5, heavy metal etc.；Can save Camellia sinensis,
The means for poison removal that how loaded down with trivial details the threads such as tea place are, and can successfully dispel dry tea persticide residue, by " Pesticide Residues in Tea speed is surveyed
Instrument " detection after, be fully achieved the standard of tea export, there is reduction, the abnormal flavour of stem tea can be removed, reach business application
Eliminate a lot of labour force, effect and efficiency notable, it is adaptable to green tea, black tea, Ramulus et Folium Mussaendae Pubescentis, oolong tea etc..
The technical scheme is that a kind of green tea preparation side that can remove Pesticides in Tea medicine
Method, it takes following steps:
The freshest leaf cleans: is carried out plucking the edible cleaning agent of fresh leaf pure water addition come, spreads out cool after cleaning
Put, airing leaf table moisture content；
B. except pesticide: utilizes super carrier of oxygen to remove the residual meeting of agriculture in Folium Camelliae sinensis and make rapidly the residual oxidation of agriculture, decompose, degrade；Time is
65-80min, super oxygen amount is 1000-40000mg/h, and volume is 2-4m3；Oxygen is carried again, to dispel super oxygen by oxygenerator
Abnormal flavour, and the agriculture continuing to aoxidize its stem tea surface is residual；Finally by ultraviolet light irradiation Folium Camelliae sinensis, it is possible to make antibacterial, virus exist
Lose copy function under action of ultraviolet radiation and decompose part pesticide residues；
C. complete: by fresh leaf 150 DEG C～the steam beating of 250 DEG C through step b；
D. fermentation: first the tea rolling that completes through step c is become streak, then pile-fermentation 1～1.5 hours；
The coolest stand: by the tea deblocking through Step d, cool stand 2～4 hours under the temperature conditions of 15 DEG C～25 DEG C；
F. baking: by the Folium Camelliae sinensis through step e, by the temperature being not less than 150 DEG C, Folium Camelliae sinensis is toasted 40 minutes to moisture content
15%～20%；
G. Titian: use seven-star stove Linesless charcoal to be baked to fragrant and sweet taste up to standard the Folium Camelliae sinensis completing f step, work as moisture content
Selecting crude drugs with winnower is entered when 7；
H. high temperature steaming: by the Folium Camelliae sinensis through Titian step, with the vapour cookings 2 of 200 DEG C～300 DEG C～6 minutes；
The coolest put baking: will be shaped or after bulk packages through the Folium Camelliae sinensis of above-mentioned h step, enter and cool put baking room,
Temperature controls at 18 DEG C～28 DEG C, toasts cool putting 20-25 days, then quality inspection warehouse-in.
The invention has the beneficial effects as follows: can save in the how loaded down with trivial details means for poison removal of the thread such as Camellia sinensis, tea place, and can successfully dispel
Except dry tea persticide residue, after being detected by " Pesticide Residues in Tea tacheometer ", it is fully achieved the standard of tea export, has also
Original work use, can remove the abnormal flavour of stem tea, and reaching business application, to eliminate a lot of labour force, effect and efficiency notable, it is adaptable to
Green tea, black tea, Ramulus et Folium Mussaendae Pubescentis, oolong tea etc..
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with embodiment, example is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
First embodiment:
A kind of green tea preparation method that can remove Pesticides in Tea medicine, it takes following steps:
The freshest leaf cleans: is carried out plucking the edible cleaning agent of fresh leaf pure water addition come, spreads out cool after cleaning
Put, airing leaf table moisture content；
B. except pesticide: utilizes super carrier of oxygen to remove the residual meeting of agriculture in Folium Camelliae sinensis and make rapidly the residual oxidation of agriculture, decompose, degrade；Time is
65min, super oxygen amount is 1000mg/h, and volume is 2m3；Carry oxygen by oxygenerator again, to dispel the abnormal flavour of super oxygen, and continue
The agriculture aoxidizing its stem tea surface is residual；Finally by ultraviolet light irradiation Folium Camelliae sinensis, it is possible to make antibacterial, virus under action of ultraviolet radiation
Lose copy function and decompose part pesticide residues；
C. complete: by the fresh leaf steam beating of 150 DEG C through step b；
D. fermentation: first the tea rolling that completes through step c is become streak, then pile-fermentation 1 hour；
The coolest stand: by the tea deblocking through Step d, 2 hours, cool stand under the temperature conditions of 15 DEG C；
F. baking: by the Folium Camelliae sinensis through step e, by the temperature being not less than 150 DEG C, Folium Camelliae sinensis is toasted 40 minutes to moisture content
15%；
G. Titian: use seven-star stove Linesless charcoal to be baked to fragrant and sweet taste up to standard the Folium Camelliae sinensis completing f step, work as moisture content
Selecting crude drugs with winnower is entered when 7；
H. high temperature steaming: by the Folium Camelliae sinensis through Titian step, with the vapour cooking 2 minutes of 200 DEG C；
The coolest put baking: will be shaped or after bulk packages through the Folium Camelliae sinensis of above-mentioned h step, enter and cool put baking room,
Temperature controls at 18 DEG C, toasts cool putting 20 days, then quality inspection warehouse-in.
Further, in described fresh leaf cleaning step, pure water adds the weight ratio of edible cleaning agent is 1.5～2%.
Further, described completing also comprises the steps:
Rinse green grass or young crops: in rinsing blue or green pot, add water to the 65% of pot degree of depth, power-on or source of the gas heat up, wait to rinse water temperature liter in blue or green pot
To when seething with excitement, first filter screen is put into and rinse blue or green pot, then throw in the fresh leaf after steam beating, be then placed in heavy leaf net and fresh leaf is pressed into
In water, it is in pot the 10% of water weight that fresh leaf throws leaf amount, and rinsing the blue or green time is 20-30s；
Take the dish out of the pot: the most off the pot after rinsing blue or green appropriateness, first take out heavy leaf net, then filter screen band is rinsed Folium Isatidis be lifted out the water surface, and on
Lower shake, rinses when Folium Isatidis drips slow the coolest in filter screen；
Cool: rinse Folium Isatidis off the pot after cool in the enterprising sector-style of spreading for cooling seat, leaf-spreading thickness is 0.4-0.8cm, and with fan or drum
Blower fan is dried, wind speed 4-5m/s, cool is cooled to normal temperature laboratory to rinsing Folium Isatidis, and leaf table adheres to without water droplet.
Second embodiment:
A kind of green tea preparation method that can remove Pesticides in Tea medicine, it takes following steps:
The freshest leaf cleans: is carried out plucking the edible cleaning agent of fresh leaf pure water addition come, spreads out cool after cleaning
Put, airing leaf table moisture content；
B. except pesticide: utilizes super carrier of oxygen to remove the residual meeting of agriculture in Folium Camelliae sinensis and make rapidly the residual oxidation of agriculture, decompose, degrade；Time is
75min, super oxygen amount is 20000mg/h, and volume is 3m3；Carry oxygen by oxygenerator again, to dispel the abnormal flavour of super oxygen, and continue
The agriculture on continuous its stem tea surface of oxidation is residual；Finally by ultraviolet light irradiation Folium Camelliae sinensis, it is possible to make antibacterial, virus in action of ultraviolet radiation
Lower forfeiture copy function and decomposition part pesticide residues；
C. complete: by the fresh leaf steam beating of 200 DEG C through step b；
D. fermentation: first the tea rolling that completes through step c is become streak, then pile-fermentation 1.3 hours；
The coolest stand: by the tea deblocking through Step d, 3 hours, cool stand under the temperature conditions of 20 DEG C；
F. baking: by the Folium Camelliae sinensis through step e, by the temperature being not less than 150 DEG C, Folium Camelliae sinensis is toasted 40 minutes to moisture content
18%；
G. Titian: use seven-star stove Linesless charcoal to be baked to fragrant and sweet taste up to standard the Folium Camelliae sinensis completing f step, work as moisture content
Selecting crude drugs with winnower is entered when 7；
H. high temperature steaming: by the Folium Camelliae sinensis through Titian step, with the vapour cooking 3 minutes of 250 DEG C；
The coolest put baking: will be shaped or after bulk packages through the Folium Camelliae sinensis of above-mentioned h step, enter and cool put baking room,
Temperature controls at 25 DEG C, toasts cool putting 23 days, then quality inspection warehouse-in.
Further: in described fresh leaf cleaning step, pure water adds the weight ratio of edible cleaning agent is 1.5～2%.
Further: above-mentioned completing also comprises the steps:
Rinse green grass or young crops: in rinsing blue or green pot, add water to the 65% of pot degree of depth, power-on or source of the gas heat up, wait to rinse water temperature liter in blue or green pot
To when seething with excitement, first filter screen is put into and rinse blue or green pot, then throw in the fresh leaf after steam beating, be then placed in heavy leaf net and fresh leaf is pressed into
In water, it is in pot the 10% of water weight that fresh leaf throws leaf amount, and rinsing the blue or green time is 20-30s；
Take the dish out of the pot: the most off the pot after rinsing blue or green appropriateness, first take out heavy leaf net, then filter screen band is rinsed Folium Isatidis be lifted out the water surface, and on
Lower shake, rinses when Folium Isatidis drips slow the coolest in filter screen；
Cool: rinse Folium Isatidis off the pot after cool in the enterprising sector-style of spreading for cooling seat, leaf-spreading thickness is 0.4-0.8cm, and with fan or drum
Blower fan is dried, wind speed 4-5m/s, cool is cooled to normal temperature laboratory to rinsing Folium Isatidis, and leaf table adheres to without water droplet.
3rd embodiment；
A kind of green tea preparation method that can remove Pesticides in Tea medicine, it takes following steps:
The freshest leaf cleans: is carried out plucking the edible cleaning agent of fresh leaf pure water addition come, spreads out cool after cleaning
Put, airing leaf table moisture content；
B. except pesticide: utilizes super carrier of oxygen to remove the residual meeting of agriculture in Folium Camelliae sinensis and make rapidly the residual oxidation of agriculture, decompose, degrade；Time is
80min, super oxygen amount is 40000mg/h, and volume is 4m3；Carry oxygen by oxygenerator again, to dispel the abnormal flavour of super oxygen, and continue
The agriculture on continuous its stem tea surface of oxidation is residual；Finally by ultraviolet light irradiation Folium Camelliae sinensis, it is possible to make antibacterial, virus in action of ultraviolet radiation
Lower forfeiture copy function and decomposition part pesticide residues；
C. complete: by the fresh leaf steam beating of 250 DEG C through step b；
D. fermentation: first the tea rolling that completes through step c is become streak, then pile-fermentation 1.5 hours；
The coolest stand: by the tea deblocking through Step d, 4 hours, cool stand under the temperature conditions of 25 DEG C；
F. baking: by the Folium Camelliae sinensis through step e, by the temperature being not less than 150 DEG C, Folium Camelliae sinensis is toasted 40 minutes to moisture content
20%；
G. Titian: use seven-star stove Linesless charcoal to be baked to fragrant and sweet taste up to standard the Folium Camelliae sinensis completing f step, work as moisture content
Selecting crude drugs with winnower is entered when 7；
H. high temperature steaming: by the Folium Camelliae sinensis through Titian step, with the vapour cooking 6 minutes of 300 DEG C；
The coolest put baking: will be shaped or after bulk packages through the Folium Camelliae sinensis of above-mentioned h step, enter and cool put baking room,
Temperature controls at 28 DEG C, toasts cool putting 25 days, then quality inspection warehouse-in.
Further: in described fresh leaf cleaning step, pure water adds the weight ratio of edible cleaning agent is 1.5～2%.
Further: above-mentioned completing also comprises the steps:
Rinse green grass or young crops: in rinsing blue or green pot, add water to the 65% of pot degree of depth, power-on or source of the gas heat up, wait to rinse water temperature liter in blue or green pot
To when seething with excitement, first filter screen is put into and rinse blue or green pot, then throw in the fresh leaf after steam beating, be then placed in heavy leaf net and fresh leaf is pressed into
In water, it is in pot the 10% of water weight that fresh leaf throws leaf amount, and rinsing the blue or green time is 20-30s；
Take the dish out of the pot: the most off the pot after rinsing blue or green appropriateness, first take out heavy leaf net, then filter screen band is rinsed Folium Isatidis be lifted out the water surface, and on
Lower shake, rinses when Folium Isatidis drips slow the coolest in filter screen；
Cool: rinse Folium Isatidis off the pot after cool in the enterprising sector-style of spreading for cooling seat, leaf-spreading thickness is 0.4-0.8cm, and with fan or drum
Blower fan is dried, wind speed 4-5m/s, cool is cooled to normal temperature laboratory to rinsing Folium Isatidis, and leaf table adheres to without water droplet.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (4)
1. the green tea preparation method that can remove Pesticides in Tea medicine, it is characterised in that take following steps:
The freshest leaf cleans: is carried out plucking the edible cleaning agent of fresh leaf pure water addition come, spreads cool putting after cleaning out, cool
Cured leaf table moisture content；
B. except pesticide: utilizes super carrier of oxygen to remove the residual meeting of agriculture in Folium Camelliae sinensis and make rapidly the residual oxidation of agriculture, decompose, degrade；Time is 65-
80min, super oxygen amount is 1000-40000mg/h, and volume is 2-4m3；Oxygen is carried again, to dispel the different of super oxygen by oxygenerator
Taste, and the agriculture continuing to aoxidize its stem tea surface is residual；Finally by ultraviolet light irradiation Folium Camelliae sinensis, it is possible to make antibacterial, virus at purple
Lose copy function under outside line effect and decompose part pesticide residues；
C. complete: by fresh leaf 150 DEG C～the steam beating of 250 DEG C through step b；
D. fermentation: first the tea rolling that completes through step c is become streak, then pile-fermentation 1～1.5 hours；
The coolest stand: by the tea deblocking through Step d, cool stand 2～4 hours under the temperature conditions of 15 DEG C～25 DEG C；
F. baking: by the Folium Camelliae sinensis through step e, by the temperature being not less than 150 DEG C, Folium Camelliae sinensis is toasted 40 minutes to moisture content 15%
～20%；
G. Titian: use seven-star stove Linesless charcoal to be baked to fragrant and sweet taste up to standard, when moisture content 7 Folium Camelliae sinensis completing f step
Enter selecting crude drugs with winnower；
H. high temperature steaming: by the Folium Camelliae sinensis through Titian step, with the vapour cookings 2 of 200 DEG C～300 DEG C～6 minutes；
The coolest put baking: will be shaped or after bulk packages through the Folium Camelliae sinensis of above-mentioned h step, enter cool baking room of putting, temperature
Control at 18 DEG C～28 DEG C, toast cool putting 20-25 days, then quality inspection warehouse-in.
A kind of green tea preparation method that can remove Pesticides in Tea medicine the most according to claim 1, it is characterised in that described
In fresh leaf cleaning step, pure water adds the weight ratio of edible cleaning agent is 1.5～2%.
A kind of green tea preparation method that can remove Pesticides in Tea medicine the most according to claim 1 and 2, it is characterised in that institute
That states completes, and its vapor (steam) temperature completed is 200 DEG C～250 DEG C.
4., according to a kind of green tea preparation method that can remove Pesticides in Tea medicine described in any one of claims 1 to 3, its feature exists
In, described completing also comprises the steps:
Rinsing green grass or young crops: add water to the 65% of pot degree of depth, power-on or source of the gas in rinsing blue or green pot and heat up, in waiting to rinse blue or green pot, water temperature rises to boiling
When rising, first filter screen is put into and rinse blue or green pot, then throw in the fresh leaf after steam beating, be then placed in heavy leaf net and fresh leaf is pressed into water
In, it is in pot the 10% of water weight that fresh leaf throws leaf amount, and rinsing the blue or green time is 20-30s；
Take the dish out of the pot: the most off the pot after rinsing blue or green appropriateness, first take out heavy leaf net, then filter screen band is rinsed Folium Isatidis be lifted out the water surface, and tremble up and down
Dynamic, rinse when Folium Isatidis drips slow the coolest in filter screen；
Cool: rinse Folium Isatidis off the pot after cool in the enterprising sector-style of spreading for cooling seat, leaf-spreading thickness is 0.4-0.8cm, and with fan or aerator
Blowing, wind speed 4-5m/s, cool it is cooled to normal temperature laboratory to rinsing Folium Isatidis, leaf table adheres to without water droplet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403253.2A CN106035762A (en) | 2016-06-10 | 2016-06-10 | Green tea preparation method capable of removing pesticides from tea leaves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610403253.2A CN106035762A (en) | 2016-06-10 | 2016-06-10 | Green tea preparation method capable of removing pesticides from tea leaves |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490248A (en) * | 2017-01-10 | 2017-03-15 | 李永昌 | A kind of preparation method of Ramulus et Folium Mussaendae Pubescentis made by the emperor order |
| CN107019062A (en) * | 2017-05-17 | 2017-08-08 | 张松波 | The method that tealeaves removes residues of pesticides |
| CN107212111A (en) * | 2017-06-21 | 2017-09-29 | 四川治生科技有限公司 | The method that high energy X x ray irradiation x removes Pesticide Residues in Tea thing |
| CN113197278A (en) * | 2021-04-09 | 2021-08-03 | 华南理工大学 | Method for removing pesticide residues in medlar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180997A (en) * | 2007-12-21 | 2008-05-21 | 朱光 | Technique for making tea |
| CN102870901A (en) * | 2012-09-19 | 2013-01-16 | 安徽省霍山县圣茗茶叶有限公司 | Primary processing process of pan-fried green tea |
-
2016
- 2016-06-10 CN CN201610403253.2A patent/CN106035762A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180997A (en) * | 2007-12-21 | 2008-05-21 | 朱光 | Technique for making tea |
| CN102870901A (en) * | 2012-09-19 | 2013-01-16 | 安徽省霍山县圣茗茶叶有限公司 | Primary processing process of pan-fried green tea |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490248A (en) * | 2017-01-10 | 2017-03-15 | 李永昌 | A kind of preparation method of Ramulus et Folium Mussaendae Pubescentis made by the emperor order |
| CN107019062A (en) * | 2017-05-17 | 2017-08-08 | 张松波 | The method that tealeaves removes residues of pesticides |
| CN107212111A (en) * | 2017-06-21 | 2017-09-29 | 四川治生科技有限公司 | The method that high energy X x ray irradiation x removes Pesticide Residues in Tea thing |
| CN113197278A (en) * | 2021-04-09 | 2021-08-03 | 华南理工大学 | Method for removing pesticide residues in medlar |
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Application publication date: 20161026 |