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Dynamic withering method of black tea

A dynamic withering and black tea technology, which is applied in tea processing before extraction, can solve the problems of long time and black tea quality to be further improved, and achieve the effects of increasing uniformity, shortening withering time, and improving work efficiency

Inactive Publication Date: 2017-02-15
GUIZHOU ZHOUYIQING BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The degree of withering is generally controlled at a water content of 60-64%. Generally, it is aired in a natural environment, and the time generally takes 14-16 hours, which takes a long time; and the black tea color, fragrance and taste obtained by airing naturally Average, the quality of black tea needs to be further improved

Method used

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  • Dynamic withering method of black tea
  • Dynamic withering method of black tea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A kind of dynamic withering method of black tea, comprises the following steps:

[0042] Put the fresh black tea leaves into the withering tank, the thickness of the fresh black tea leaves in the withering tank is 9-10cm;

[0043] The withering tank does intermittent exercise, and the intermittent exercise is carried out in sequence according to the following procedures:

[0044] Exercise for 2 minutes and rest for 25 minutes; exercise for 4 minutes and rest for 35 minutes; exercise for 8 minutes and rest for 55 minutes; exercise for 25 minutes and rest for 55 minutes;

[0045] Wherein, when the withering tank moves, the frequency of movement is 30 times per minute;

[0046] When the withering trough stops, the air flow with wind power of level 3 is introduced, and the temperature of the air flow is 32°C;

[0047]The relative air humidity of fresh black tea leaves during the process of dynamic withering is 75%;

[0048] After dynamic withering, the average water cont...

Embodiment 2

[0050] A kind of dynamic withering method of black tea, comprises the following steps:

[0051] Put the fresh black tea leaves into the withering tank, the thickness of the fresh black tea leaves in the withering tank is 7-8cm;

[0052] The withering tank does intermittent exercise, and the intermittent exercise is carried out in sequence according to the following procedures:

[0053] Exercise for 4 minutes and rest for 35 minutes; exercise for 6 minutes and rest for 45 minutes; exercise for 15 minutes and rest for 65 minutes; exercise for 35 minutes and rest for 70 minutes;

[0054] Wherein, when the withering tank moves, the frequency of movement is 35 times per minute;

[0055] When the withering trough stops, the airflow with wind power of level 2 is introduced, and the temperature of the airflow is 28°C;

[0056] The relative humidity of the air during the dynamic withering process of fresh black tea leaves is 68%;

[0057] After dynamic withering, the average water c...

Embodiment 3

[0059] A kind of dynamic withering method of black tea, comprises the following steps:

[0060] Put the fresh black tea leaves into the withering tank, the thickness of the fresh black tea leaves in the withering tank is 7-9cm;

[0061] The withering tank does intermittent exercise, and the intermittent exercise is carried out in sequence according to the following procedures:

[0062] Exercise for 3 minutes and rest for 30 minutes; exercise for 5 minutes and rest for 40 minutes; exercise for 10 minutes and rest for 60 minutes; exercise for 30 minutes and rest for 60 minutes;

[0063] Wherein, when the withering tank moves, the frequency of movement is 30 times per minute;

[0064] When the withering trough is at rest, an airflow with a wind force of 2.5 is introduced, and the temperature of the airflow is 30°C;

[0065] The relative humidity of the air during the dynamic withering process of fresh black tea leaves is 72%;

[0066] After dynamic withering, the average water...

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Abstract

The present invention relates to the field of tea processing and particularly relates to a dynamic withering method of black tea. The dynamic withering method of the black tea is as follows: black tea fresh leaves are placed in a withering trough and the withering trough is intermittently moved; airflow is blew into the withering trough when the withering trough is stopped and the airflow conducts the dynamic withering of the black tea fresh leaves in the withering trough; and wherein the temperature of the airflow is 28-32 DEG C. The provided dynamic withering method of the black tea enables the black tea fresh leaves in the withering trough to conduct the movement, at the same time the blew airflow at the specific temperature is combined, and the black tea fresh leaves are subjected to the dynamic withering. The dynamic withering method changes the intrinsic material structures in the black tea, speeds up the chemical changes of the intrinsic materials in the tea leaves, completes the required leaf phase standard in advance, shortens the withering time, and improves work efficiency. The color, fragrance and taste of the finally prepared black tea are obviously better than those of traditional black tea.

Description

technical field [0001] The invention relates to the field of tea processing, in particular to a dynamic withering method of black tea. Background technique [0002] Black tea is rich in carotene, vitamin A, calcium, phosphorus, magnesium, potassium, caffeine, isoleucine, leucine, lysine, glutamic acid, alanine, aspartic acid and other nutrients. During the fermentation process of black tea, the chemical reaction of polyphenols makes the chemical components in the fresh leaves change greatly, producing theaflavins, thearubigins and other components, and its aroma is significantly increased compared with fresh leaves, forming the unique color and aroma of black tea. ,taste. [0003] Black tea can help gastrointestinal digestion, promote appetite, diuretic, eliminate edema, and strengthen heart function. "The flavonoids rich in black tea can eliminate free radicals, have an anti-acidification effect, and reduce the incidence of myocardial infarction. According to traditional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06
CPCA23F3/06
Inventor 赵建军
Owner GUIZHOU ZHOUYIQING BIOTECH
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