There are many non-carbonated drinks, such as black tea, green tea and fruit juice.

Black tea, English is black.

During the processing of tea and black tea, a chemical reaction centered on the enzymatic oxidation of tea polyphenols took place, and the chemical components in fresh leaves changed greatly, and tea polyphenols decreased by more than 90%, resulting in new components such as theaflavins and thearubigins.

Green tea is one of the main tea leaves in China, which refers to the products made from new leaves or buds of tea trees, without fermentation, through typical processes such as enzyme fixation, shaping and drying. The color of the finished product and the brewed tea soup retain the green theme of the new tea.