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Withering Of Black Tea

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Tea Dehydrator Guide: Drying Tea, Fruits & Vegetables

Tea Dehydrator Guide: Drying Tea, Fruits & Vegetables

2025-11-12 16:26:19

Discover how a tea dehydrator works as a multifunctional tool for drying tea, fruits, and vegetables. This guide covers compatible ingredients, recommended temperature/time settings, and key usage tips. Plus, explore our top pick—EcoDry Pro Tea & Fruit Vegetable Dehydrator—with precision control, efficient ventilation, and easy cleaning for perfect homemade dried treats and tea refinement.

The Difference Between Tea Fixation Machines and Integrated Fixation & Drying Machines

The Difference Between Tea Fixation Machines and Integrated Fixation & Drying Machines

2025-11-11 09:21:18

The core difference between tea fixation machines and integrated fixation & drying machines lies in functional positioning, coverage of processing procedures, and applicable scenarios. The former focuses on a single key process, while the latter integrates multiple processes to meet different production needs. Detailed differences are compared from 6 dimensions as follows:

Differences Between Tea Dryer and Tea Roaster

Differences Between Tea Dryer and Tea Roaster

2025-11-10 10:05:09

This article explains the key differences between tea dryers and tea roasters, including functions, processing stages, and temperature parameters, with English term comparisons and equipment recommendations to help you choose the right tea processing equipment.

What is Automatic Tea Cooling & Softing Conveyor Machine?

What is Automatic Tea Cooling & Softing Conveyor Machine?

2025-11-10 10:02:46

Quanzhou Deli DL-6CNQHCL-16 Tea Cooling & Moisturizing Machine (Automatic Cooling & Softing Conveyor Machine) features 3 layers, 15㎡ cooling area. Rapid cooling prevents oxidation; precision moisturizing reduces crumble. Ideal for tea refining lines. National high-tech enterprise product.

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Quanzhou Deli Agroforestrial Machinery Co., Ltd.
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Withering Of Black Tea

2021-07-20 15:08:21

Withering is the first process in making black tea. Under normal climatic conditions, when fresh leaves are thinly spread for a period of time, water evaporates mainly. With the extension of the withering time, the self-extraction and decomposition of the contents of the fresh leaves gradually strengthened. With the continuous loss of fresh leaf water, the leaves gradually shrink, the leaf quality changes from hard to soft, and the leaf color changes from bright green to dark green. At the same time, the endoplasm changes and the fragrance also changes. This process is called withering.

The withering process is the physical change of withering on the one hand, and the chemical change of withering on the other hand. These two changes are interrelated and restrict each other. Physical changes can not only promote chemical changes, but also inhibit chemical changes, and even affect the products of chemical changes. Anyway, chemical changes also affect the progress of physical changes. The development and mutual influence between the two vary greatly depending on the external conditions such as temperature and humidity.

The external conditions that affect withering are firstly water evaporation, secondly temperature, and again the length of time. Among them, temperature has the most significant effect on the quality of withered leaves. When using the tea withering machine to wither, it is advisable to adopt the operating principles of “large first and then small” and temperature “first high and then low”. Master a certain amount of time to achieve the required degree of withering.