Table 1.

Variability of catechins and their derivatives.

Name	Variability folds
EGCG	2.39
ECG	2.59
Procyanidin B4	4.46
CG	5.73
EC	7.66
Procyanidin C1	7.71
Procyanidin B1	10.92
EGC	11.20
GC	14.63
C	16.84
Procyanidin B3	24.00
GC-EGC	320.52
EGCG3”Me	366.68
EGCG4"Me	800.58
GC-diGA	834.36
GC-GCG	1865.35