CN107258946A - A kind of cleaning method of tealeaves efficient lossless - Google Patents
A kind of cleaning method of tealeaves efficient lossless Download PDFInfo
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- CN107258946A CN107258946A CN201710584993.5A CN201710584993A CN107258946A CN 107258946 A CN107258946 A CN 107258946A CN 201710584993 A CN201710584993 A CN 201710584993A CN 107258946 A CN107258946 A CN 107258946A
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- tealeaves
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- precooling
- cold wind
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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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- Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of cleaning method of tealeaves efficient lossless, comprise the following steps：Fresh tea leaf is put into 12~20min of precooling in constant temperature refrigerator-freezer, tealeaves after precooling is fully immersed in the barley enzyme cleaning fluid that concentration of enzymatic activity is 0.13~0.28u/ml, soak 25~30h, soaked tealeaves is laid in draining equipment and carries out upset rinsing, spray irrigation, ultrasonic cleaning, cold wind drying successively, you can following process is carried out.The tealeaves cleanliness factor that the present invention is cleaned is higher, tealeaves is influenceed in itself smaller, the active ingredient of tealeaves will not be destroyed, active ingredient Tea Polyphenols loss very little in tealeaves, obtained tealeaves is trusted to drink, tea quality is greatly improved, reduce the labor intensity of workman, the cleaning speed of tealeaves is improved, and has the advantages that technique is simple, cost-effective.
Description
Technical field
The invention belongs to tealeaves cleaning technique field, and in particular to a kind of cleaning method of tealeaves efficient lossless.
Background technology
Tealeaves is a kind of traditional beverage raw material, with vast mass foundation.Tealeaves is with the fresh tea tree of raw harvesting
Tender shoots be raw material, by processing.Tealeaves is one of famous big beverage in the world three, is referred to as " the emperor of east beverage
Supreme Being ".Through analysis, in tealeaves containing caffeine, tannin, Tea Polyphenols, protein, carbohydrate, free amino acid, chlorophyll,
Carrotene, aromatic oil, enzyme, provitamin A, vitamin B, vitamin C, vitamin E, citrin and inorganic salts, micro member
400 Multiple components such as element.So tealeaves effect is extensively, if refresh oneself, spirit of waking up, solve polydipsia, diuresis, digestion gathered food, removing toxic substances.
Violate in wind-heat, dizzy blurred vision；Hot summer weather polydipsia, or insobriety；Dormancy has been slept, refreshing tired body is tired more；Oliguria with red urine, or water
Swollen oliguria；Greasy dyspepsia, indigestion；Damp-heat diarrhea, dysentery.Drink tea not still in traditional dining culture, and tea containing many
Kind of polyphenoils and antioxidants, have certain effect for eliminating free radical, thus have tea also help it is anti-old, foster
The raw, function of health care.
On April 11st, 2012, International Environmental Protection tissue Green Peace is issued《2012 tealeaves agricultural chemicals survey reports》.Report refers to
Go out, 18 through voluntarily being gathered to it part Tea Samples deliver third party's detection discovery, every kind of residual containing at least three kinds of agricultural chemicals tea
Stay, wherein 12 parts of tealeaves samples detect illegal violated residues of pesticides.
In order to remove the purposes such as insect, weeding, tea grower will spray insecticide certainly, such as atrazine, imidacloprid, pyridaben, corruption
Mould profit, Rogor, chrysanthemum esters, Prochloraz etc., hereafter greatly pay close attention to caused by Pesticide Residues in Tea.Because agricultural chemicals is fat-soluble
, it is water insoluble, so traditional utilization water cleaning is difficult to the agricultural chemicals for removing tealeaves residual.Chinese patent
CN200910038620.3 discloses a kind of method for removing pesticide residue from tea, and this method is by by the tealeaves after harvesting
Remains of pesticide is removed using Ozone Water or Ozone Water~photocatalysis Combined Treatment.Although this method can remove the agriculture of tealeaves
Medicine, but tealeaves is by handling, active ingredient in tealeaves, such as Tea Polyphenols is destroyed.
And during the preparation technology of tealeaves, the cleaning of tealeaves directly affects the degree of purity of tealeaves, therefore tealeaves
Cleaning whether the clean influence to tea quality is particularly important, while the residues of pesticides on existing tealeaves surface, dust pollution
And heavy metal pollution problem, current ozonization, so have a significant impact to the local flavor of tealeaves, traditional tealeaves cleaning method
Relatively complicated and operation difficulty is big, and loses also larger to the nutrient in tealeaves.
The content of the invention
It is an object of the invention to：For above-mentioned deficiency, the invention provides a kind of the clear of tealeaves efficient lossless
Washing method, the tealeaves cleanliness factor that the present invention is cleaned is higher, influences smaller in itself on tealeaves, will not destroy the active ingredient of tealeaves,
Active ingredient Tea Polyphenols loss very little in tealeaves so that obtained tealeaves can trust and drink that tea quality is greatly improved,
And easy to operate, labor intensity is small, operating efficiency is high.
In order to achieve the above object, present invention employs following technical scheme：
A kind of cleaning method of tealeaves efficient lossless, comprises the following steps：
（1）Tealeaves precooling：By the fresh tea leaf plucked within 24h be put into temperature be precooling 12 in 3~6 DEG C of constant temperature refrigerator-freezer~
20min；
（2）Infusion of tea：Tealeaves after precooling is fully immersed in the barley enzyme that concentration of enzymatic activity is 0.13~0.28u/ml clear
In washing lotion, soaking temperature is maintained at 6~12 DEG C, soaks 25~30h；
（3）Tealeaves is cleaned：By step（2）Soaked tealeaves is laid in draining equipment carries out upset rinsing, spray successively
Rinse, then by the tealeaves after cleaning be placed on the supersonic generator washed in air-dry apparatus of rotation and bottom rotating device carry out it is further
It is cleaned by ultrasonic and cold wind drying, the tealeaves after cold wind drying carries out following process by de-enzyming process.
Further, in step（2）, it is as follows that the barley enzyme cleans liquid making method：Choose the blue or green tender leaf of barley, cleaning
After drying, 2~3h is freezed in 0~2 DEG C of temperature；Crushed after freezing at a temperature of 0~2 DEG C, barley green grass or young crops tender leaf bubble after crushing
Brewed 8~10h in concentration is 10~12mol/L citric acid solutions, brewed rear filtering is slagged tap, and talcum powder is added into filtrate and is stirred
Mix uniform, reconciled at a temperature of 0~3 DEG C after concentration of enzymatic activity is 0.13~0.28u/ml, then with sodium hydroxide adjust pH to 7~
7.3, obtain barley enzyme cleaning fluid.
Further, in step（3）, the upset rinsing process uses 6~8 DEG C of pure water, and rinsing time is 4~
6min。
Further, in step（3）, the process that is sprayed uses 6~10 DEG C of pure water, and spray time is 3~
5min。
Further, in step（3）, cold wind temperature is 6~8 DEG C in the cold wind drying, and blast is 350~400Pa, wind
Measure as 5500~6500m3/h。
In summary, the present invention has the positive effect that as a result of such scheme：
（1）Cleaning method of the present invention can effectively remove the agricultural chemicals remained on tealeaves, and the cleanliness factor of this method cleaning
It is higher, influence smaller in itself on tealeaves, the active ingredient Tea Polyphenols loss that will not be destroyed in the active ingredient of tealeaves, tealeaves is very
It is small so that obtained tealeaves can trust and drink that tea quality is greatly improved.
（2）Cleaning method of the present invention can be processed using machinery, reduced the labor intensity of workman, improved tealeaves
Cleaning speed, have the advantages that technique is simple and convenient to operate, labor intensity is small, operating efficiency is high, it is cost-effective, work continuously.
Embodiment
With reference to embodiment to a kind of cleaning method of tealeaves efficient lossless of the invention, it is described further.
Embodiment 1
A kind of cleaning method of tealeaves efficient lossless, comprises the following steps：
（1）Tealeaves precooling：The fresh tea leaf plucked within 24h is put into precooling 12min in the constant temperature refrigerator-freezer that temperature is 3 DEG C；
（2）Infusion of tea：Tealeaves after precooling is fully immersed in the barley enzyme cleaning fluid that concentration of enzymatic activity is 0.13u/ml,
Soaking temperature is maintained at 6 DEG C, soaks 25h；The barley enzyme cleaning liquid making method is as follows：Choose the blue or green tender leaf of barley, cleaning
After drying, 2h is freezed in 0 DEG C of temperature；Crushed after freezing at a temperature of 0 DEG C, barley green grass or young crops tender leaf bubble is in concentration after crushing
Brewed 8h in 10mol/L citric acid solutions, brewed rear filtering is slagged tap, and talcum powder is added into filtrate and is stirred, in 0 DEG C of temperature
It is lower conciliation concentration of enzymatic activity be 0.13u/ml after, then with sodium hydroxide adjust pH to 7, obtain barley enzyme cleaning fluid；
（3）Tealeaves is cleaned：By step（2）Soaked tealeaves is laid in draining equipment carries out upset rinsing, spray successively
Rinse, then by the tealeaves after cleaning be placed on the supersonic generator washed in air-dry apparatus of rotation and bottom rotating device carry out it is further
It is cleaned by ultrasonic and cold wind drying, the tealeaves after cold wind drying carries out following process by de-enzyming process；The upset rinsing process
Using 6 DEG C of pure water, rinsing time is 4min；Described to be sprayed the pure water that process uses 6 DEG C, spray time is
3min；Cold wind temperature is 6 DEG C in the cold wind drying, and blast is 350Pa, and air quantity is 5500m3/h。
Embodiment 2
A kind of cleaning method of tealeaves efficient lossless, comprises the following steps：
（1）Tealeaves precooling：The fresh tea leaf plucked within 24h is put into precooling 20min in the constant temperature refrigerator-freezer that temperature is 6 DEG C；
（2）Infusion of tea：Tealeaves after precooling is fully immersed in the barley enzyme cleaning fluid that concentration of enzymatic activity is 0.28u/ml,
Soaking temperature is maintained at 12 DEG C, soaks 30h；The barley enzyme cleaning liquid making method is as follows：Choose the blue or green tender leaf of barley, cleaning
After drying, 3h is freezed in 2 DEG C of temperature；Crushed after freezing at a temperature of 2 DEG C, barley green grass or young crops tender leaf bubble is in concentration after crushing
Brewed 10h in 12mol/L citric acid solutions, brewed rear filtering is slagged tap, and talcum powder is added into filtrate and is stirred, in 3 DEG C of temperature
Degree is lower to reconcile after concentration of enzymatic activity is 0.28u/ml, then adjusts pH to 7.3 with sodium hydroxide, obtains barley enzyme cleaning fluid；
（3）Tealeaves is cleaned：By step（2）Soaked tealeaves is laid in draining equipment carries out upset rinsing, spray successively
Rinse, then by the tealeaves after cleaning be placed on the supersonic generator washed in air-dry apparatus of rotation and bottom rotating device carry out it is further
It is cleaned by ultrasonic and cold wind drying, the tealeaves after cold wind drying carries out following process by de-enzyming process；The upset rinsing process
Using 8 DEG C of pure water, rinsing time is 6min；Described to be sprayed the pure water that process uses 10 DEG C, spray time is
5min；Cold wind temperature is 8 DEG C in the cold wind drying, and blast is 400Pa, and air quantity is 6500m3/h。
Embodiment 3
A kind of cleaning method of tealeaves efficient lossless, comprises the following steps：
（1）Tealeaves precooling：By the fresh tea leaf plucked within 24h be put into temperature be precooling 15 in 4~5 DEG C of constant temperature refrigerator-freezer~
17min；
（2）Infusion of tea：Tealeaves after precooling is fully immersed in the barley enzyme that concentration of enzymatic activity is 0.18~0.23u/ml clear
In washing lotion, soaking temperature is maintained at 8~10 DEG C, soaks 26~29h；The barley enzyme cleaning liquid making method is as follows：Choose big
The blue or green tender leaf of wheat, after cleaning is dried, freezes 2.3~2.7h in 0.5~1.5 DEG C of temperature；In 0.5~1.5 DEG C of temperature after freezing
Degree is lower to be crushed, barley green grass or young crops tender leaf bubble brewed 8.5~9.5h, brewed rear mistake in concentration is 11mol/L citric acid solutions after crushing
Filter out slag, into filtrate add talcum powder stir, at a temperature of 0.5~2 DEG C reconcile concentration of enzymatic activity be 0.18~
After 0.23u/ml, then with sodium hydroxide adjust pH to 7.1~7.2, obtain barley enzyme cleaning fluid；
（3）Tealeaves is cleaned：By step（2）Soaked tealeaves is laid in draining equipment carries out upset rinsing, spray successively
Rinse, then by the tealeaves after cleaning be placed on the supersonic generator washed in air-dry apparatus of rotation and bottom rotating device carry out it is further
It is cleaned by ultrasonic and cold wind drying, the tealeaves after cold wind drying carries out following process by de-enzyming process；The upset rinsing process
Using 6.5~7.5 DEG C of pure water, rinsing time is 4.5~5.5min；It is described that to be sprayed process pure using 7~9 DEG C
Water, spray time is 3.5~4.5min；Cold wind temperature is 6.5~7.5 DEG C in the cold wind drying, and blast is 360~390Pa,
Air quantity is 5600~6000m3/h。
In summary, cleaning method of the present invention can effectively remove the agricultural chemicals remained on tealeaves, and this method is clear
The cleanliness factor washed is higher, influences smaller in itself on tealeaves, and the active ingredient tea that will not be destroyed in the active ingredient of tealeaves, tealeaves is more
Phenol loses very little so that obtained tealeaves can trust and drink that tea quality is greatly improved.Cleaning method of the present invention can be used
Machinery is processed, and reduces the labor intensity of workman, improves the cleaning speed of tealeaves, be simple and convenient to operate with technique,
Labor intensity is small, operating efficiency is high, it is cost-effective, the advantages of work continuously.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. a kind of cleaning method of tealeaves efficient lossless, it is characterised in that comprise the following steps：
Tealeaves precooling：By the fresh tea leaf plucked within 24h be put into temperature be precooling 12 in 3~6 DEG C of constant temperature refrigerator-freezer~
20min；
Infusion of tea：Tealeaves after precooling is fully immersed in the barley enzyme cleaning fluid that concentration of enzymatic activity is 0.13~0.28u/ml
In, soaking temperature is maintained at 6~12 DEG C, soaks 25~30h；
Tealeaves is cleaned：By step（2）Soaked tealeaves is laid in draining equipment carries out upset rinsing, spray punching successively
Wash, then the tealeaves after cleaning is placed on the supersonic generator washed in air-dry apparatus of rotation and bottom rotating device is further surpassed
Sound is cleaned and cold wind drying, and the tealeaves after cold wind drying carries out following process by de-enzyming process.
2. a kind of cleaning method of tealeaves efficient lossless according to claim 1, it is characterised in that：In step（2）, it is described
Barley enzyme cleaning liquid making method is as follows：The blue or green tender leaf of barley is chosen, after cleaning is dried, 2~3h is freezed in 0~2 DEG C of temperature；
Crushed after freezing at a temperature of 0~2 DEG C, barley green grass or young crops tender leaf bubble is in concentration is 10~12mol/L citric acid solutions after crushing
Brewed 8~10h, brewed rear filtering is slagged tap, and talcum powder is added into filtrate and is stirred, enzymatic activity is reconciled at a temperature of 0~3 DEG C
Concentration be 0.13~0.28u/ml after, then with sodium hydroxide adjust pH to 7~7.3, obtain barley enzyme cleaning fluid.
3. a kind of cleaning method of tealeaves efficient lossless according to claim 2, it is characterised in that：In step（3）, it is described
The pure water that rinsing process uses 6~8 DEG C is overturn, rinsing time is 4~6min.
4. a kind of cleaning method of tealeaves efficient lossless according to claim 2, it is characterised in that：In step（3）, it is described
The pure water that process uses 6~10 DEG C is sprayed, spray time is 3~5min.
5. a kind of cleaning method of tealeaves efficient lossless according to claim 2, it is characterised in that：In step（3）, it is described
Cold wind temperature is 6~8 DEG C in cold wind drying, and blast is 350~400Pa, and air quantity is 5500~6500m3/h。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710584993.5A CN107258946A (en) | 2017-07-18 | 2017-07-18 | A kind of cleaning method of tealeaves efficient lossless |
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| CN201710584993.5A CN107258946A (en) | 2017-07-18 | 2017-07-18 | A kind of cleaning method of tealeaves efficient lossless |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671060A (en) * | 2017-11-14 | 2018-02-09 | 惠州市伯拉科技有限公司 | The cleaning method of fresh harvesting tealeaves |
| CN107695013A (en) * | 2017-11-14 | 2018-02-16 | 惠州市伯拉科技有限公司 | The purging system of tealeaves |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536713A (en) * | 2009-04-14 | 2009-09-23 | 中山大学 | Method for removing pesticide residue from tea |
| CN104174607A (en) * | 2014-08-06 | 2014-12-03 | 镇江市丹徒区茗缘茶叶专业合作社 | Cleaning method for tea leaves |
| CN105010587A (en) * | 2015-06-10 | 2015-11-04 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Cleaning method of tea leaves |
| CN106040654A (en) * | 2016-07-20 | 2016-10-26 | 潜山县三新茶叶专业合作社 | High-efficiency lossless tea cleaning method |
-
2017
- 2017-07-18 CN CN201710584993.5A patent/CN107258946A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536713A (en) * | 2009-04-14 | 2009-09-23 | 中山大学 | Method for removing pesticide residue from tea |
| CN104174607A (en) * | 2014-08-06 | 2014-12-03 | 镇江市丹徒区茗缘茶叶专业合作社 | Cleaning method for tea leaves |
| CN105010587A (en) * | 2015-06-10 | 2015-11-04 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Cleaning method of tea leaves |
| CN106040654A (en) * | 2016-07-20 | 2016-10-26 | 潜山县三新茶叶专业合作社 | High-efficiency lossless tea cleaning method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671060A (en) * | 2017-11-14 | 2018-02-09 | 惠州市伯拉科技有限公司 | The cleaning method of fresh harvesting tealeaves |
| CN107695013A (en) * | 2017-11-14 | 2018-02-16 | 惠州市伯拉科技有限公司 | The purging system of tealeaves |
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Application publication date: 20171020 |
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