BMC Clinical Pharmacology

Table 1 Isoflavone contents in soy preparations used in this study.

From: Pharmacokinetics of isoflavones, daidzein and genistein, after ingestion of soy beverage compared with soy extract capsules in postmenopausal Thai women

	Daidzin	Genistin	Total¹
Soy flour
Mg/g	0.62 ± 0.005	0.70 ± 0.01	1.32 ± 0.01
%	47	53	100
Soy extract capsule
Mg/capsule	3.90 ± 0.04	11.29 ± 0.17	15.18 ± 0.21
%	26	74	100

¹Summation of daidzin and genistin contents.

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