Table 1.

Total phenolic, flavonoid, and saponin contents of the water extracts from plants.

Samples	TPC (mg GAEs/g) y	TFC (mg REs/g) z	TSC (QAEs/g) w
O. europaea	92.15 ± 2.55	21.64 ± 1.76	180.04 ± 5.80
H. perforatum	181.02 ± 1.47	66.73 ± 0.22	336.31 ± 6.08
A. hippocastanum	42.34 ± 0.38	11.69 ± 0.95	213.54 ± 11.81

^y GAEs, gallic acid equivalents; ^z REs, rutin equivalents; ^w QAEs, quillaja equivalents.