Tea is among the most important beverages globally. The spread of tea from the East to West has not only affected lifestyles, but also promoted the exchange of exchange between the East and West. Tea processing, which is critical for the development of tea flavor, includes multiple steps, such as withering, deactivation, rolling, fermentation (enzymatic oxidation) and post-fermentation. With the development of mechanical processing, tea has now become widely produced, both by hand-crafting and mechanical processing. Multiple components of tea, such as tea polyphenols, theanine, tea pigments an...
