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Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf

A technology of frozen storage and degreening, which is applied in the fields of application, tea treatment before extraction, food preservation, etc., and can solve problems such as unfavorable aroma preservation

Inactive Publication Date: 2004-11-10
ANHUI TIANFANG TEA IND GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Takeo Masozawa of Japan [Research Report on Tea Industry, 1997, 85 (Supplement), -68~69] has conducted research on the frozen storage of steamed green tea after finishing, and believes that it can be stored for 3 to 9 months, but it is not good for the preservation of aroma.

Method used

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  • Frozen storage method of green tea de-enzyming leaf and method for preparing tea adopting frozen green tea de-enzyming leaf

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Experimental program
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Embodiment Construction

[0017] exist figure 1 In, frozen storage of green tea leaves:

[0018] The fresh green tea leaves (1) and green tea leaves (2) are processed according to the processing requirements of various famous and high-quality green teas, and the water content is 45% to 65%. Quick freezing (3) Use -20°C~-70°C to quickly freeze the green leaves, freeze evenly and freeze thoroughly, and freeze storage (4) The temperature is -10°C~-30°C, use vacuum packaging, and minimize the impact of storage temperature Amplitude range.

[0019] Making tea from frozen green tea leaves:

[0020] Thawing (5) It can be thawed naturally and slowly at room temperature, which is beneficial to the protection of color and biochemical quality components; thawing can also be thawed with a small microwave power for 2 to 3 minutes or hot air thawing, so the thawing speed is fast, but it has a greater effect on color influences. According to the processing requirements of various famous and high-quality green tea...

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Abstract

The invention discloses a freezing and storing process for green tea water-removing leaves, and process for making tee by using the freezed green tea water-removing leaves, the green tea water-removing leaves freezing and storing process comprises selecting water-removing leaves as storage objective, the moisture percentage of the water-removing leaves being 45%-65%, quick freezing at -20 deg. C to -70 deg. C, storing in the environment of -10 deg. C to -30 deg. C. The process for making tea by using freezed green tea water-removing leaves comprises the steps of, unfreezing, shaping and curing, cooling and drying to obtain the final tea product. The application of the invention can maintain the biochemical component and scent for the green tea during the period of storage.

Description

technical field [0001] The invention relates to a method for storing green tea green tea leaves and a tea making method. Background technique [0002] At present, the storage of famous and high-quality green tea all adopts the mode of finished tea to preserve, or normal temperature storage, or refrigerated (0-10 ℃) preservation. The method is relatively simple, but it is impossible to drink new tea from time to time, because tea is a seasonal agricultural product. Storage of fresh leaves is also impractical. Fresh leaves are an isolated biological living substance, and long-term storage is almost impossible. The green leaves have inhibited the activity of biological enzymes, so they can meet the storage requirements. Oolong tea has been stored in the Taiwan area of ​​my country and sold in the form of frozen tea [Zhou Wentang, Tea, 1997, 25 (1), -48]. Masuzawa Takeo of Japan [Tea Industry Research Report, 1997, 85 (Supplement), -68~69] has conducted research on the froze...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23F3/06A23L3/36
Inventor 王文杰
Owner ANHUI TIANFANG TEA IND GROUP
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