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. 2021 Sep 27;36(1):2104–2117. doi: 10.1080/14756366.2021.1983559

Table 2.

The IC50, Ki, and inhibition mechanism of some screened compounds.

Compounds IC50(mM) Ki(mM) Suppression mechanism References
Puerarin2 1.23 / / 11
0.010 15
0.479 21
0.012 22
Oroxin A6 0.50 12
Baicalein8 0.29
Protocatechuic acid82 / 9.28 Competitive inhibitor 13
3,5-Di-O-caffeoylquinic acid57 0.34
1,5-Di-O-caffeoylquinic acid58 1.1
Chlorogenic acid59 0.9 Mixed inhibitor
Quercetin-3-O-(6-O-malonyl)-β-D glucopyranoside14 0.268 / / 14
Kaempferol-3-O-(6-O-malonyl)-β-D-glucopyranoside15 0.104
Mirificin38 0.013 15
Daidzin34 >500
Genistinc39 >500
Vitexin11 0.35 16
Isovitexin12 1.73
Isoorientin10 7.67
Isoorientin 3'-methyl ether13 8.61
Daidzein37 1.58
Genistein/ 7.66
3-(5-Hydroxybenzofuran-6-yl) propanoic acid94 1.33 Mixed-type inhibitor
Gallic acid78 0.178 / 20
Albiforin106 0.100
Paeoniforin107 0.102
Liquiritin apioside50 0.089
Liquiritin84 0.171
Galloylpaeoniflorin/ 0.036
Ononin85 0.101
Isoliquiritigenin/ 0.185
Glycyrrhizic acid/ 0.059
Oxypaeoniflora/ 0.083
Benzoylpaeoniflorin/ 0.032
Benzoyloxypaeoniflorin/ 0.040
Mudanpioside C/ 0.083
Paeonolide/ 0.102
Apiopaeonoside/ 0.098
Puerarin-6’’-O-xyloside33 0.514 21
Puerarin apioside43 0.877
Emodin111 300mg/ml 34
Protocatechuic aldehyde91 0.455 35
Hydroxysafor yellow A92 0.498
Tanshinone IIA108 1.214
Mulberrofuran G93 0.018 36
Kuwanon G31 >0.2
Kuwanon H32 0.010