The chemical composition of tea is made up of inorganic and organic composition of 93~96.5% of 3.5-7.0%. About 27 of the inorganic mineral elements in tea, including phosphorus, potassium, sulfur, magnesium, manganese, fluoride, aluminum, calcium, sodium, iron, copper, zinc, selenium and other. Organic compounds in tea mainly proteins, lipids, carbohydrates, amino acids, alkaloids, polyphenols, organic acid, pigment, fragrance ingredients, vitamins, saponins, sterols, and so on.
