Theaflavin

Tea lovers often keep a large amount of tea at home. Many people store their tea in the refrigerator, and some even purchase a small fridge specifically for this purpose. However, this is a misconception – whether or not to place tea in the refrigerator should be considered on a case-by-case basis. 1. Teas Suitable for Refrigeration Green tea, lightly fragrant Oolong tea, and dehumidified tea. Among the six major types of tea, green tea is the most prone to spoilage and requires extra attention during storage. You can place the tea in a sealed tea canister, then put it inside a sealed bag before refrigerating it. Lightly fragrant Tieguanyin and dehumidified Oolong, which have gained popularity, can also be stored in the refrigerator. Green tea, lightly fragrant Oolong tea, and dehumidified tea are suitable for refrigeration. 2. Teas Unsuitable for Refrigeration Dark tea, aged Tieguanyin, Pu'er tea, and white tea are not suitable for refrigeration due to their need for post-production transformation, especially Pu'er tea, where aging significantly affects its drinking value. Storing these teas in the refrigerator can lead to moisture issues. Additionally, in the low-temperature environment of the fridge, the activity of biological enzymes within the tea…

Black tea is the second largest category of teas in China and the most widely sold type of tea worldwide. The origin of black tea can be traced back to China, where it was first produced over 400 years ago during the Ming Dynasty by tea farmers in Wuyi Mountain, Fujian Province, as Zheng Shan Xiao Zhong. In terms of processing techniques, due to differences in rolling methods and fresh leaf varieties, black tea can be classified into: Gongfu Black Tea, Xiao Zhong Black Tea, and Broken Black Tea. Xiao Zhong Black Tea is the oldest type of black tea, originally produced in Wuyi Mountain, and is also the progenitor of other black teas; Gongfu Black Tea comes in many varieties, produced in different regions, such as Qimen Gongfu Black Tea mainly produced in Qimen County, Anhui Province, and Dian Hong Gongfu from Yunnan Province; Broken Black Tea is produced across a wide range of areas and is primarily for export. Although there are different classifications of black tea, the basic process generally includes "withering, rolling, fermentation, and drying." As a fully fermented tea, the core and soul of black tea is its "fermentation," which is a critical step in…