Sample

Water (%)

Water extract (%)

Tea polyphenols (%)

TF (%)

TR (%)

TB (%)

Pu-erh tea

9.04 ± 0.33

30.14 ± 0.86

12.80 ± 0.88

0.16 ± 0.22

0.34 ± 0.26

11.35 ± 0.26

Raw materials

6.58 ± 0.21

43.76 ± 0.45

33.88 ± 1.02

0.25 ± 0.16

6.43 ± 0.03

2.6 ± 0.03