Table 1.

The main isoflavones in kudzu root [42].

Name	Chemical Formula	Structural Formula	Content (μg/g)
Puerarin	C21H20O9		4.28–76.10
Daidzein	C15H19O4		0.36–16.48
Daidzin	C21H12O9		0.05–6.74
3′ hydroxyPuerarin	C21H20O10		0.20–20.61
Genistein	C15H10O5		-
Genistin	C21H20O10		7.63–51.43
Formononetin	C16H12O4		-
6″-O-Malonylgenistin	C24H22O13		-

-: Not reported.