Table 5 Structures of flavonoids and isoflavonoids found and/or tested in this study.
Flavonoid structure | Isoflavonoid structure | ||||||||
|---|---|---|---|---|---|---|---|---|---|
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Compounds: | Substituents at carbon position: | ||||||||
5 | 6 | 7 | 8 | 2′ | 3′ | 4′ | 5′ | ||
Flavonoids | |||||||||
Apigenin* | OH | — | OH | — | — | — | OH | — | |
Chrysin* | OH | — | OH | — | — | — | — | — | |
Luteolin* | OH | — | OH | — | — | OH | OH | — | |
Isoflavonoids | |||||||||
Daidzein* | — | — | OH | — | — | — | OH | — | |
3′-Hydroxydaidzein* | — | — | OH | — | — | OH | OH | — | |
Daidzin | — | — | O—glc | — | — | — | OH | — | |
Corylifol A** | — | — | OH | — | — | — | OH | R1 | |
Neobavaisoflavone*** | — | — | OH | — | — | R2 | OH | — | |
Genistein* | OH | — | OH | — | — | — | OH | — | |
2′-Hydroxygenistein* | OH | OH | — | OH | — | OH | — | ||
Genistin | OH | — | O—glc | — | — | — | OH | — | |
Orobol | OH | OH | OH | OH | |||||
Calycosin | — | — | OH | — | — | OH | OCH3 | — | |
Calycosin-7-O-β-D-glucoside | — | — | O—glc | — | — | OH | OCH3 | — | |
Formononetin | — | — | OH | — | — | — | OCH3 | — | |
Ononin | — | — | O-glc | — | — | — | OCH3 | — | |
Biochanin A | OH | — | OH | — | — | — | OCH3 | — | |
Tectorigenin | OH | OCH3 | OH | — | — | — | OH | — | |
Tectoridin | OH | OCH3 | O-glc | — | — | — | OH | — | |
Glycitein | — | OCH3 | OH | — | — | — | OH | — | |
Glycitin | — | OCH3 | O-glc | — | — | — | OH | — | |
Irigenin | OH | OCH3 | OH | — | — | OH | OCH3 | OCH3 | |
Iridin | OH | OCH3 | O-glc | — | — | OH | OCH3 | OCH3 | |
Puerarin | — | — | OH | glc | — | — | OH | — | |
3′-Hydroxypuerarin | — | — | OH | glc | — | OH | OH | — | |
3′-Methoxypuerarin | — | — | OH | glc | — | OCH3 | OH | — | |
Irisflorentin**** | OCH3 | R3 | R3 | — | OCH3 | OCH3 | OCH3 | — | |
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