Table 5 The cell viability of different components on HepG2 cells.

From: Flavonoid epimers from custard apple leaves, a rapid screening and separation by HSCCC and their antioxidant and hypoglycaemic activities evaluation

Samples

Cell survival rate (%)a

30 μg/mL

60 μg/mL

120 μg/mL

Crude ethanol extract

109.24 ± 2.89

108.33 ± 3.81

111.41 ± 2.82

Crude flavonoid extract

104.91 ± 3.49

105.25 ± 4.10

104.38 ± 5.38

Quercetin-3-O-robinobioside (1)

99.48 ± 5.87

108.56 ± 6.03

110.89 ± 2.50

Rutin (2)

97.62 ± 6.31

91.67 ± 7.12

98.81 ± 5.66

Quercetin-3-O-β-D-glucoside (3)

109.20 ± 2.90

118.32 ± 3.81

111.42 ± 2.82

Kaempferol-3-O-robinobioside (4)

97.81 ± 6.19

102.03 ± 4.39

103.68 ± 2.72

Kaempferol-3-O-rutinoside (5)

108.32 ± 6.29

108.10 ± 10.72

104.41 ± 4.03

Metformin

100.16 ± 3.53

102.63 ± 3.53

100.24 ± 3.24

Blank controlb

100

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