Tagged: polyphenol oxidase
Article · Basics
Why one plant makes green, oolong, and black tea
Green, oolong, and black tea are the same leaf from Camellia sinensis. What separates them is processing, above all how much enzymatic oxidation the maker allows before heat arrests it.
Article · science
Two Reactions Start When the Leaf Is Bruised, Not One
Shaking bruises the leaf once, but it starts two separate reactions on two different substrates. One reddens the edge. The other, mapped only in the last few years, manufactures the floral scent.