Hankou

Dark tea is one of the six major types of Chinese tea that involves microbial fermentation in the formation of its quality and flavor. In 2021, China's total production of dark tea reached 396,900 tons, ranking third among the six major types of tea. In 2022, China's dark tea industry entered a new phase of high-quality development. Since the late 1980s, the team of tea experts from Hunan Agricultural University has successively conducted basic research, technological innovation, and product innovation on dark tea, scientifically interpreting the drinking attributes and health benefits of Anhua dark tea. As the health benefits of dark tea have been continuously confirmed by research, it has gradually become an ideal beverage for people to prevent sub-health. I. Tea-Horse Trade and the Origin of Dark Tea The exact time of origin of dark tea remains uncertain. The term "dark tea" was already in use during the mid-Ming Dynasty. The emergence of dark tea is inseparable from the long-lasting tea-horse trade between central China and the border regions. It may have been the long-distance transportation between inland and border areas, between producing and consuming areas, that gave rise to the durable and transportable dark tea category. Therefore, it…