CN116210777A - Organic selenium black tea manufacturing process - Google Patents
Organic selenium black tea manufacturing process Download PDFInfo
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- CN116210777A CN116210777A CN202310419838.3A CN202310419838A CN116210777A CN 116210777 A CN116210777 A CN 116210777A CN 202310419838 A CN202310419838 A CN 202310419838A CN 116210777 A CN116210777 A CN 116210777A
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- 244000269722 Thea sinensis Species 0.000 title claims abstract description 124
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 40
- 239000011669 selenium Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 235000006468 Thea sinensis Nutrition 0.000 title claims abstract description 17
- 235000020279 black tea Nutrition 0.000 title claims abstract description 17
- 235000013616 tea Nutrition 0.000 claims abstract description 107
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- 238000012216 screening Methods 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
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- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 description 1
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- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 description 1
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- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
- 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
-
- 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
-
- 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
- A23F3/12—Rolling or shredding tea leaves
Abstract
The invention belongs to the technical field of tea preparation, and provides a preparation process of organic selenium black tea, which comprises the preparation processes of tea base management and picking, enzyme deactivation, primary kneading, pile fermentation, secondary kneading, drying (seven star oven), screening, grading, purification, sterilization, finished product preparation and the like; the invention has the advantages of low input cost, convenient collection and use, high applicability and strong practicability, is suitable for large-area popularization and application, can effectively enhance the drinking effect of the organic selenium black tea through a series of operation processes of picking, de-enzyming, initial kneading and the like, reduces the content of sun elements in the sun-cured tea, reduces the condition of selenium poisoning caused by too much sun elements inhaled by drinking the sun-cured tea, and improves the manufacturing effect of the organic sun-cured tea.
Description
Technical Field
The invention belongs to the technical field of tea preparation, and particularly relates to a manufacturing process of organic selenium black tea.
Background
Selenium is a chemical element, can be used as photosensitive material, electrolytic manganese industry catalyst, nutrient element necessary for animal body and nutrient element beneficial to plant, etc., and the selenium deficiency of human body can result in various diseases, most typical is Kadsura disease-keshan disease of Heilongjiangshan county in China, large bone joint disease, cancer, cardiovascular disease, cataract, cyst fibrosis, hypertension, thyromegaly and immunodeficiency, while tea leaves commonly called tea generally comprise tea leaves and buds, and the tea leaf components comprise catechin, cholestenone, caffeine, inositol, folic acid and pantothenic acid, thus being beneficial to health. Tea beverage made of tea is one of three beverages in the world, and tea containing selenium element is called selenium-rich tea;
the existing selenium-enriched tea is characterized in that organic selenium is added in the tea making process to enable selenium element to be fused with tea, when the tea needs to be brewed and drunk, the organic selenium is dissolved out of the tea in the self-dissolving process of the tea, so that people can supplement sun-drying elements when drinking the tea;
however, most of the existing sun-rich tea has excessive sun-dried element content, and if the sun-dried element content is more than 800 micrograms after long-time tea drinking, selenium poisoning easily occurs, and serious death occurs.
Therefore, the technology for preparing the organic selenium black tea is provided by the person skilled in the art, and the content of sun-cured elements in tea can be remarkably reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation process of organic selenium black tea, which aims to solve the problems that the sun-rich tea in the prior art has excessive sun-cured element content, and when the tea is drunk for a long time, if the frequent element content is more than 800 micrograms, selenium poisoning easily occurs, and serious death occurs.
A preparation process of organic selenium black tea comprises the following steps:
tea sunning base management
(1) And (3) manual weeding: firstly, manually removing weeds in a tea garden by using a sickle;
(2) Construction of insect prevention facilities: setting a pest sticking plate around the tea garden;
(3) Spraying bactericide: then the lime sulphur is sprinkled around the tea garden for sterilization, disinsection and mite killing, the lime sulphur is a bactericide which is decocted by quicklime, sulphur and water, compared with other bactericides, the bactericide has the characteristics of wide raw materials, low price, wide pest control range and good effect, on the one hand, the calcium polysulfide in the lime sulphur has strong infiltration and erosion capability, can easily kill disease bacteria, pests and eggs through the body wall of the pest and the wax paper protective layer, and on the other hand, the lime sulphur can form 1 layer of protective medicine film on the surface of crops after being sprayed to prevent and treat the infection of the crops by the disease bacteria, so that the bactericide is often used by vast farmers, especially fruit farmers;
(4) And (3) fertilization: and (5) fertilizing the tea garden by adopting farmyard manure and organic selenium fertilizer.
The preparation method of the organic selenium black tea comprises the following steps:
s1, picking: firstly, a worker enters a tea garden to pick tea leaves;
s2, enzyme deactivation: the tea picked in the step S1 is placed into a de-enzyming device for de-enzyming treatment;
s3, primary kneading: placing the tea leaves subjected to fixation in the step S2 on a rolling machine for preliminary rolling, and repeatedly rolling for a plurality of times;
s4, pile fermentation: pouring out the tea leaves in the rolling machine in the step S3, uniformly piling the tea leaves on the ground, and covering the surface of the tea leaves with wet cloth or straw patchwork;
s5, re-kneading; continuously putting the tea leaves after piling in the S4 into a rolling machine for rolling;
s6, drying (seven-star oven): putting the tea leaves rolled in the step S5 into a dryer for drying;
s7, screening: putting the dried tea leaves in the step S6 into a screening machine for hierarchical screening;
s8, grading: grading and collecting the tea leaves screened in the step S7 in a grading manner;
s9, purifying: passivating the graded tea leaves in the step S8;
s10, sterilizing: placing the tea leaves subjected to the passivation treatment in the step S9 into an ultraviolet sterilization device for sterilization;
s11, manufacturing a finished product: packaging the sterilized tea leaves in the step S10 by a packaging bag, and vacuumizing
Preferably, in step S2, the de-enzyming device adopts a sealing structure, the temperature of the de-enzyming device is controlled to be 320-380 ℃, and the de-enzyming time is controlled to be 5-10 minutes.
Preferably, in step S3, the temperature of the rolling machine is controlled to be 60-80 ℃ and the rolling time is 25-35 minutes, and in step S5, the temperature of the rolling machine is controlled to be 40-50 ℃ and the rolling time is 5-15 minutes.
Preferably, in step S6, the dryer has an internal rotation function, the dryer adopts a mode of twice drying, the first working temperature of the dryer is controlled to be 130-140 ℃, the second working temperature of the dryer is controlled to be 100-120 ℃, the time of the twice drying is 10-15 minutes, and the time of the twice drying is 1 hour different.
Preferably, in step S7 and step S8, the screening is performed by using a vibration screening method, and the screen may be a multi-type screen.
Preferably, in step S9, the temperature of the passivation is controlled to be 22-25 ℃, the relative humidity is controlled to be 45-55 ℃ and the time is controlled to be 3-12 months in step S9.
Preferably, in step S10, the sterilization method is to put the tea leaves subjected to the passivation treatment in step S9 into a sterilization device, and sterilize the tea leaves by using an ultraviolet sterilization lamp.
Compared with the prior art, the invention has the following beneficial effects:
the invention can effectively enhance the drinking effect of the organic selenium black tea, reduce the content of sun-dried elements in the sun-dried rich tea, reduce the condition of selenium poisoning caused by too much sun-dried elements inhaled by drinking the sun-dried rich tea, and improve the manufacturing effect of the organic black tea through a series of operation processes of picking, de-enzyming, initial kneading and the like.
Drawings
Fig. 1 is a flow chart of the manufacturing process of the organic selenium dark green tea.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1:
embodiment one: the invention provides a manufacturing process of organic selenium black tea, which comprises the following steps:
tea sunning base management
(1) And (3) manual weeding: firstly, manually removing weeds in a tea garden by using a sickle;
(2) Construction of insect prevention facilities: setting a pest sticking plate around the tea garden;
(3) Spraying bactericide: then, the lime sulphur is sprayed around the tea garden, and is a bactericide which is decocted by quicklime, sulphur and water, and after being sprayed, the lime sulphur can form 1 layer of protective medicine film on the surface of crops to prevent the crops from being infected by disease bacteria, so that the use effect is high;
(4) And (3) fertilization: and fertilizing the tea garden by adopting farmyard manure or selenium-rich compound fertilizer.
The soil environment is improved by applying the selenium-rich compound fertilizer, so that the tea absorbs water and shines elements during growth, and the sun-curing effect of the organic selenium black tea is better compared with the mode of adding organic sun-curing during fixation.
From the above, the method has the advantages of low input cost, convenient collection and use, high applicability and strong practicability, and is suitable for large-area popularization and application through the operations of manual weeding, construction of insect-proof facilities, spraying bactericides, fertilizing and the like.
The preparation method of the organic selenium black tea comprises the following steps:
s1, picking: firstly, a worker enters a tea garden to pick tea leaves;
s2, enzyme deactivation: the tea leaves picked in the step S1 are placed into a de-enzyming device for de-enzyming treatment, the de-enzyming device adopts a sealing structure, the temperature of the de-enzyming device is controlled to be 320-380 ℃, and the de-enzyming time is controlled to be 5-10 minutes;
therefore, the temperature can be stored by setting the sealing fixation, so that weakening of fixation effect caused by different temperature of the tea is effectively prevented, and fixation effect is enhanced.
S3, primary kneading: placing the tea leaves subjected to fixation in the step S2 on a rolling machine for preliminary rolling, wherein the temperature of the rolling machine is controlled to be 60-80 ℃, the rolling time is 25-35 minutes, and the rolling is repeatedly performed for a plurality of times;
through repeated twisting, the effect of the twisting machine on twisting the tea leaves is effectively enhanced, and the follow-up operation is convenient.
S4, pile fermentation: pouring out the tea leaves in the rolling machine in the step S3, uniformly piling the tea leaves on the ground, and covering the surface of the tea leaves with wet cloth or straw patchwork;
s5, re-kneading; continuously putting the tea leaves after piling in the step S4 into a rolling machine for rolling, wherein the temperature of the rolling machine is controlled to be 40-50 ℃, and the rolling time is 5-15 minutes;
s6, drying (seven-star oven): the tea leaves rolled in the step S5 are put into a dryer for drying, the dryer has an internal rotation function, the dryer adopts a twice drying mode, the first working temperature of the dryer is controlled to be 130-140 ℃, the second working temperature of the dryer is controlled to be 100-120 ℃, the time of the twice drying is 10-15 minutes, and the time difference of the twice drying is 1 hour;
from the above, through setting up the desiccator that has inside rotation function, can evenly dry the tealeaves of putting into, strengthened the effect of stoving, adopt twice stoving simultaneously, the moisture of tealeaves that can make fully dispel, be difficult for rotting, the save of the tealeaves of being convenient for, twice stoving simultaneously enables the fragrance of tealeaves more intense.
S7, screening: the tea leaves dried in the step S6 are placed into a screening machine for hierarchical screening, the screening adopts a vibration screening mode, and the screen can be a multi-type screen;
s8, grading: grading and collecting the tea leaves screened in the step S7 in a grading manner;
from the above, through vibration screening, can put and produce vibration when the tealeaves is screening, prevent tealeaves jam screen cloth, multi-type screen cloth can carry out the layering, grade tealeaves simultaneously, and the collection and the sales of follow-up tealeaves of being convenient for have strengthened tealeaves screening effect.
S9, purifying: passivating the graded tea leaves in the step S8, wherein the passivating temperature is controlled at 22-25 ℃, the relative humidity is controlled at 45-55 ℃ and the passivating time is 3-12 months;
from the above, the tea leaves are subjected to passivation treatment, so that the fermentation speed of the tea leaves can be effectively controlled, and meanwhile, the taste and the flavor of the tea leaves can be ensured.
S10, sterilizing: placing the tea leaves subjected to the passivation treatment in the step S9 into an ultraviolet sterilization device for sterilization, wherein the sterilization mode is to place the tea leaves subjected to the passivation treatment in the step S9 into the sterilization device, and sterilizing the tea leaves by adopting an ultraviolet sterilization lamp;
from the above, the tea leaves are sterilized, so that the tea leaves can be effectively prevented from being remained, the tea leaves can be stored conveniently, and the effect of the tea leaf manufacturing process is enhanced.
S11, manufacturing a finished product: and (3) packaging the sterilized tea leaves in the step (S10) by using a packaging bag, and vacuumizing.
From the above, the vacuum treatment is carried out on the packaging bag, so that the residual oxygen in the packaging bag is effectively prevented, the deterioration of tea is prevented, the tea storage effect is enhanced, and the applicability of the tea preparation process is improved.
Soaking and drinking experiments are carried out on the organic black tea prepared in the steps, the number of the groups is three, each group is 10 people, the drinking score of each person is 100 points, the appearance and taste of the tea are satisfied with the higher the score, the full score is 100 points, each average is calculated, and the evaluation results are shown in the following table:
| scoring (average) | |
| First group of | 90.24 |
| Second group of | 90.88 |
| Third group of | 90.34 |
As can be seen from the table, the scores of the organic black tea prepared in the examples are above 90 minutes, and the scores are more uniform, which indicates that the preparation effect of the organic black tea is more stable.
In conclusion, the invention can effectively enhance the drinking effect of the organic selenium black tea through a series of operation processes of picking, enzyme deactivation, initial kneading and the like, reduce the content of sun-dried elements in the sun-dried rich tea, reduce the condition of selenium poisoning caused by too much sun-dried elements inhaled by drinking the sun-dried rich tea, and improve the manufacturing effect of the organic selenium black tea.
While embodiments of the present invention have been shown and described above for purposes of illustration and description, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A manufacturing process of organic selenium black tea is characterized in that: comprising the following steps:
tea sunning base management
(1) And (3) manual weeding: firstly, manually removing weeds in a tea garden by using a sickle;
(2) Construction of insect prevention facilities: setting a pest sticking plate around the tea garden;
(3) Spraying bactericide: then, the lime sulfur is sprayed around the tea garden to be used for sterilization, disinsection and mite killing;
(4) And (3) fertilization: and (5) fertilizing the tea garden by adopting farmyard manure and organic selenium fertilizer.
The preparation method of the organic selenium black tea comprises the following steps:
s1, picking: firstly, a worker enters a tea garden to pick tea leaves;
s2, enzyme deactivation: the tea picked in the step S1 is placed into a de-enzyming device for de-enzyming treatment;
s3, primary kneading: placing the tea leaves subjected to fixation in the step S2 on a rolling machine for preliminary rolling, and repeatedly rolling for a plurality of times;
s4, pile fermentation: pouring out the tea leaves in the rolling machine in the step S3, uniformly piling the tea leaves on the ground, and covering the surface of the tea leaves with wet cloth or straw patchwork;
s5, re-kneading; continuously putting the tea leaves after piling in the S4 into a rolling machine for rolling;
s6, drying (seven-star oven): putting the tea leaves rolled in the step S5 into a dryer for drying;
s7, screening: putting the dried tea leaves in the step S6 into a screening machine for hierarchical screening;
s8, grading: grading and collecting the tea leaves screened in the step S7 in a grading manner;
s9, purifying: passivating the graded tea leaves in the step S8;
s10, sterilizing: placing the tea leaves subjected to the passivation treatment in the step S9 into an ultraviolet sterilization device for sterilization;
s11, manufacturing a finished product: and (3) packaging the sterilized tea leaves in the step (S10) by using a packaging bag, and vacuumizing.
2. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in the step S2, the de-enzyming device adopts a sealing structure, the temperature of the de-enzyming device is controlled to be 320-380 ℃, and the de-enzyming time is controlled to be 5-10 minutes.
3. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in step S3, the temperature of the rolling machine is controlled to be 60-80 ℃ and the rolling time is 25-35 minutes, and in step S5, the temperature of the rolling machine is controlled to be 40-50 ℃ and the rolling time is 5-15 minutes.
4. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in step S6, the dryer has an internal rotation function, the dryer adopts a twice drying mode, the first working temperature of the dryer is controlled at 130-140 ℃, the second working temperature of the dryer is controlled at 100-120 ℃, the time of the twice drying is 10-15 minutes, and the time of the twice drying is 1 hour different.
5. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in step S7 and step S8, the screening adopts a vibration screening mode, and the screen may select multiple types of screens.
6. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in step S9, the temperature of the passivation is controlled between 22 ℃ and 25 ℃, the relative humidity is controlled between 45 ℃ and 55 ℃, and the time is 3-12 months.
7. The process for preparing the organic selenium dark tea according to claim 1, wherein the process comprises the following steps of: in step S10, the tea leaves after passivation in step S9 are placed into a sterilizing device, and an ultraviolet sterilizing lamp is used for sterilizing the tea leaves.
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| CN107535276A (en) * | 2017-10-20 | 2018-01-05 | 安庆慧可茶业股份有限公司 | Young tea plantations management method |
| CN107567932A (en) * | 2017-10-25 | 2018-01-12 | 雅安市山雅茶业有限公司 | A kind of implantation methods of organic tree plant |
| CN108402211A (en) * | 2018-05-03 | 2018-08-17 | 蒋四川 | A kind of processing technology of black tea |
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| CN107535276A (en) * | 2017-10-20 | 2018-01-05 | 安庆慧可茶业股份有限公司 | Young tea plantations management method |
| CN107567932A (en) * | 2017-10-25 | 2018-01-12 | 雅安市山雅茶业有限公司 | A kind of implantation methods of organic tree plant |
| CN108402211A (en) * | 2018-05-03 | 2018-08-17 | 蒋四川 | A kind of processing technology of black tea |
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