Table 3.

Concentrations of genistein and daidzein in serum in the two groups

Group		Genistein (µmol/L)	Daidzein (µmol/L)
Group I (n = 37)	Before taking isoflavone	0.38 ± 0.96	0.09 ± 0.43
	After taking isoflavone	4.14 ± 4.03*	1.15 ± 1.16*
Group II (n = 33)	Before taking isoflavone	0.32 ± 0.75	0.06 ± 0.22
	After taking isoflavone	0.30 ± 0.76	0.09 ± 0.48

Concentrations of genistein and daidzein in serum of subjects in isoflavone group and placebo group after 6 months of treatment with soy isoflavone 90 mg/day. Experimental conditions and treatment procedures are given in Materials and Methods. Graph depicts (mean ± SD). Asterisk means significant against baseline before trial (*p<0.05), t test.