Formula of Dragon Boat Festival Herbal Tea

Dragon Boat Festival tea, also known as white grass tea and Baijia tea, is said to have been handed down from generation to generation by Ye Fashan, a Taoist master in the Tang Dynasty. It has a long history and has been listed as the third batch of intangible cultural heritage in Zhejiang Province. Dragon Boat Festival tea is a unique health tea in Songyang area, which has the functions of heatstroke prevention, thirst quenching, dampness eliminating, heat clearing and detoxification, diuresis and stranguria relieving. Regular drinking can balance cold and heat, regulate pulse and qi, reconcile yin and yang, refresh the mind, and nourish qi with leniency. At present, Dragon Boat Festival tea is circulated in the market in the form of boxed tea and teabags, which has some defects such as high price, inconvenient drinking and bitter taste, which restricts the development of Dragon Boat Festival tea. Dragon Boat Festival tea is composed of a variety of Chinese herbal medicines, several of which are not dual-purpose raw materials for medicine and food, so it is safe to drink. Lophatherum gracile is the dried stem and leaf of Gramineae, and Ij is also known as bamboo leaf, winter wheat, undergrowth bamboo, bamboo rice, winter wheat with bamboo leaves and pheasant rice. Lophatherum gracile leaves are sweet, light and nontoxic, and have the effects of clearing away heat, relieving annoyance, inducing diuresis and treating stranguria. Bamboo leaves contain a lot of flavonoids, polysaccharides, lactones, chlorophyll, amino acids, vitamins and trace elements, which have high biological activity. Flavonoids contained in it have many physiological activities, such as reducing blood fat, antithrombotic, antioxidant, lowering blood sugar and so on.