fermentation is an important process for black tea production. during this process, by exposure of substrate to enzymes and the underlying oxidation reactions, quality determining factors of tea is produced. it is known that the exogenous application of cell-wall degrading enzymes leads to the increased production of these compounds through enhancement of enzyme-substrate interactions. pectinas...

An abiding puzzle in the Phaedo is transition text from initial pessimism about possibility of wisdom during human life to a more optimistic view. Prominent interpretations posit different kinds or degrees at issue two sets passages. By contrast, I argue that pessimistic view rests on implicit premise soul cannot be completely purified life—a which arises an conception impurity and its cause. I...