Table 1 |
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Contents of catechins and caffeine in green tea samples (grams per 100 g) |
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Green tea powder |
No. 12a |
No. 13b |
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catechins |
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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 |
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total |
7.2 |
16.3 |
10.5 |
|
caffeine |
4.3 |
4.5 |
1.7 |
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|
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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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Tsuneki et al. BMC Pharmacology 2004 4:18 doi:10.1186/1471-2210-4-18 |
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