Black tea is rich in carotene, vitamin A, calcium, phosphorus, magnesium, potassium, caffeine, isoleucine, leucine, lysine, glutamic acid, alanine and aspartic acid. In the process of black tea fermentation, the chemical reaction of polyphenols makes the chemical composition of fresh leaves change greatly, producing theaflavins, thearubigins and other components, whose aroma is obviously higher than that of fresh leaves, forming the unique color, aroma and taste of black tea.
The traditional custom of drinking tea. That is, tea is used to entertain friends or friends to have tea and talk, exchange ideas and enhance feelings. Since the Tang and Song Dynasties, celebrities have often made friends with tea. Yan Zhenqing, a famous official and calligrapher in the Tang Dynasty, once drank tea on a moonlit night, and his close friends confessed one after another, leaving a pair of couplets for drinking tea on a moonlit night. Su Shi, a famous writer and poet in Song Dynasty, visited Huishan with his friend Qin Guan and made tea with Huishan Spring, which is known as the "second spring in the world".
Introduction of black tea
Black tea is a tender leaf or bud of Theaceae tea. Black tea is not naturally grown, but is made on the basis of green tea in the late Ming and early Qing dynasties. It is refined from suitable new tea leaves through a series of technological processes such as withering, rolling (cutting), fermentation and drying. Tea leaves need to be fermented, so that the components in tea leaves have a chemical reaction. When brewed with water, it not only has a pleasant aroma, but also presents a unique dark red brown color, so it is called "black tea".
Black tea is produced in China, India, Sri Lanka and other countries. Black tea used to be unique to orientals, and later spread to Europe, becoming the favorite tea of princes and nobles. Black tea mainly includes Qi Hong, Dianhong, Huohong, Su Hong, Yue Hong, Hong Hu and Chuanhong. Black tea is characterized by deep color, strong and bitter taste, malt aroma and bright red tea juice. Black tea contains vitamins, caffeine, amino acids, minerals, polysaccharides, tea polyphenols and other nutrients.