Disclosed is a process for manufacturing a green leaf tea product, the process comprising the steps of: a) providing fresh tea material comprising catechins and active endogenous enzymes, wherein the fresh tea material comprises leaf material and stem material； b) optionally withering the fresh tea material； c) separating the leaf material from the stem material whilst the fresh tea material comprises active endogenous enzymes, to provide tea material rich in leaf； d) inactivating the endogenous enzymes in the tea material rich in leaf to substantially prevent fermentation of the tea material rich in leaf； and e) drying the tea material rich in leaf to yield the green leaf tea product.
