Table 1.

Concentrations of flavonoids and saponins in Chun Mee tea.^a

Compoundb	9371 (low-foam tea)	41022 (foamy tea)
Saponins* (p < 0.005)	15.279 ± 0.205	16.847 ± 0.082
Flavan-3-ols (p = 0.514)
Gallocatechin (4)	2.337 ± 0.417	2.536 ± 2.149
Epigallocatechin (5)	63.244 ± 8.004	62.680 ± 4.645
Catechin (6)	0.220 ± 0.112	0.163 ± 0.057
Epicatechin (7)	5.152 ± 0.825	4.893 ± 0.386
Epigallocatechin gallate (9)	44.769 ± 8.086	46.210 ± 3.812
Epicatechin gallate (10)	11.863 ± 2.141	11.765 ± 1.421
Total	187.034 ± 19.064	188.193 ± 12.328
Phenolic acids (p = 0.202)
β-Glucogallin (1)	0.639 ± 0.089	0.606 ± 0.770
Galloyl acid (2)	0.941 ± 0.258	0.838 ± 0.131
Galloylquinic acid* (3)	0.993 ± 0.100	1.339 ± 0.153
p-Coumaroylquinic acid (8)	0.752 ± 0.164	0.622 ± 0.732
Total	4.866 ± 0.515	4.986 ± 0.138
O-glycosylated flavonols* (p < 0.005)
Myricetin 3-O-galactoside or glucoside (11)	2.079 ± 0.294	2.195 ± 0.155
Myricetin 3-O-galactoside or glucoside (12)	1.641 ± 0.276	1.812 ± 0.139
Quercetin 3-O-glucosylrutinoside or galactosylrutinoside* (13)	1.198 ± 0.153	1.347 ± 0.088
Quercetin 3-O-glucosylrutinoside or galactosylrutinoside (14)	4.376 ± 0.590	4.738 ± 0.457
Quercetin 3-O-dirhamnosylglucoside or kaempferol 3-O-galactosylrutinoside* (15)	2.933 ± 0.438	3.509 ± 0.254
Quercetin 3-O-dirhamnosylglucoside or kaempferol 3-O-galactosylrutinoside* (16)	0.557 ± 0.101	0.966 ± 0.141
Kaempferol 3-O-galactoside or glucoside (17)	3.535 ± 0.452	3.811 ± 0.790
6,8-C-Diglucosylapigenin or kaempferol 3-O-rhamnosylgalactoside* (18)	1.007 ± 0.009	1.464 ± 0.055
Quercetin 3-O-rhamnoside or kaempferol* (19)	0.643 ± 0.112	0.893 ± 0.059
Total	17.969 ± 1.470	20.735 ± 1.702

^*Significant correlation (p < 0.05).

DW = dry weight; SEM = standard error of the mean.

^amg/g DW, means ± SEM of duplicate assays.

^bThe number of every compound corresponds to the peak number in Fig. 1.