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 4

The volatile compound of the treated and untreated tea extract with β-glucosidase.

CompoundCASRIRILRIConcentration (ppb)
ControlTyrosinaseTyrosinase-β-glucosidase

Linalool78-70-6109911011104
cis-Linalool oxide5989-33-3106910781076
Linalool oxide14049-11-7107110721179
β-Damascenone23726-93-4138613851388
Methyl salicylate119-36-8119312351266

Values are expressed as of three replication. RI: RI of references using the DB-5MS column [16]; RI: RI of references using the HP-5MS column [22]; LRI: retention indices calculated in the experiment.