Table 5.

Structures of flavonoids and isoflavonoids found and/or tested in this study.

Flavonoid structure				Isoflavonoid structure
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	—

Compounds with (*) were isolated from C. striatus leaves.