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Issues in Guizhou Green Tea Processing and Key Technical Points for Solutions
The low temperature and high humidity environment of the spring tea season in Guizhou, along with the performance differences in processing equipment, affect the quality of spring tea processing. To improve the quality of spring tea products and highlight the regional characteristics of Guizhou green tea, mastering key techniques such as withering, fixation, shaping, and drying is essential. The following provides an explanation based on the critical common technologies in green tea processing: Program-controlled withered leaves in the withering room I. Withering Withering is the first process in green tea processing. Good withering can improve the efficiency of fixation and better address issues with bitterness and astringency in the tea liquor. 1. Issues (1) Thicker layers of withering leaves often require turning to ensure uniform withering, which can cause mechanical damage to the leaves. (2) Withering equipment lacks auxiliary heating devices, making it difficult to control the progress of withering. (3) During withering, the digital display temperature of the auxiliary heating device is used as a reference, while ignoring the temperature of the withering leaves. (4) The degree of withering is typically judged by the softness of the leaves and their color, neglecting the presence of stems. Program-controlled unit for…- 2
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