brand

serving size (mL)

concentration (mg/100mL)*

EGCG

EGC

EC

ECG

+C

Caffeine

Healthya

350

41.9

34.3

9.20

10.6

8.91

23.9

Iyemon Tokucha

500

10.2

9.02

2.37

2.09

2.30

17.5

Catechin Ryokucha

350

19.7

3.41

0.78

5.20

1.78

7.51

Juroku-cha W

600

0.30

ND

ND

ND

ND

3.20