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Table 1 Contents of catechins and caffeine in green tea samples (grams per 100 g)

From: Effect of green tea on blood glucose levels and serum proteomic patterns in diabetic (db/db) mice and on glucose metabolism in healthy humans

 

Green tea powder

No. 12a

No. 13b

catechins

   

   C

0.1

1.3

0

   EC

0.6

1.9

1.0

   ECg

0.6

1.6

0.2

   EGC

0.3

0.9

5.8

   EGCg

5.6

10.6

3.5

   total

7.2

16.3

10.5

caffeine

4.3

4.5

1.7

  1. C: (+)-catechin, EC: (-)-epicatechin, ECg: (-)-epicatechin gallate, EGC: (-)-epigallocatechin, EGCg: (-)-epigallocatechin gallate, total: total catechins. a,b The dried extract of fresh raw leaves of tea (Camellia sinensis, Theaceae) prepared at Cultivar No.12 (a, Chinhsuan) and No. 13 (b, Tzuiyu).
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BMC Pharmacology

ISSN: 1471-2210