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.