Research Article

Alteration of Phenolic and Volatile Compounds of Tea Leaf Extract by Tyrosinase and β-Glucosidase during Preparation of Ready-to-Drink Tea on Farm

Table 1

Cathecin profile and gallic acid content of tea leaf extract treated with tyrosinase.

TreatmentTyrosinase activity (U)Gallic acid (%)EGC (%)ECG (%)EC (%)EGCG (%)

Control
Tyrosinase111
446
17850.00
Commercial black tea (BOP)

Values are expressed as of three replications.