Table 2.

Gender differences isoflavonoids in urine (mg isoflavone/24 hour) ^a

Urine Isoflavonoids	Women (n=10)	Men (n=9)	P value
Total IFb
Soy beverage	28.34 ± 2.86	28.61 ± 6.12	0.74
Soy bread	32.31 ± 4.95	20.96 ± 7.34	0.29
Total Daidzeinc
Soy beverage	22.60 ± 2.34	23.08 ± 5.26	0.99
Soy bread	26.50 ± 4.06	15.20 ± 5.56	0.12
Total Genisteind
Soy beverage	4.12 ± 1.08	3.68 ± 0.77	0.94
Soy bread	5.35 ± 1.19	5.24 ± 2.34	0.41
Glycitein
Soy beverage	1.62 ± 0.20	1.85 ± 0.44	0.99
Soy bread	0.46 ± 0.09	0.52 ± 0.25	0.46
Daidzein
Soy beverage	9.31 ± 2.03	7.30 ± 1.66	0.68
Soy bread	5.84 ± 1.27	6.18 ± 2.68	0.57
Dihydrodaidzein
Soy beverage	2.52 ± 0.81	5.91 ± 3.22	0.54
Soy bread	4.42 ± 0.91†	1.56 ± 0.66†	0.05
Equol
Soy beverage	2.68 ± 2.10	2.97 ± 2.97	0.70
Soy bread	7.31 ± 3.80	4.00 ± 4.00	0.25
ODMA (O-desmethylangolensin)
Soy beverage	8.09 ± 2.38	6.90 ± 1.97	0.99
Soy bread	8.93 ± 2.40†	3.46 ± 1.86†	0.05
Genistein
Soy beverage	3.85 ± 0.94	3.26 ± 0.64	0.87
Soy bread	4.71 ± 0.96	4.91 ± 2.37	0.37
Dihydrogenistein
Soy beverage	0.26 ± 0.16	0.42 ± 0.24	0.72
Soy bread	0.53 ± 0.23	0.33 ± 0.15	0.49
6-OH-ODMA (6OH-O-desmethylangolensin)
Soy beverage	0.01 ± 0.01	ND	0.98
Soy bread	0.11 ± 0.09	ND	0.04

^amg isoflavonoid per total volume of urine collected over 24 hours from days 35 and 70 (stratified by soy food intervention), reported as mean ± SEM.

^bIncludes total of all isoflavonoids excreted in urine

^cIncludes daidzein, dihydrodaidzein, O-desmethylangolensin, and equol

^dIncludes genistein, dihydrogenistein, and 6-OH O-desmethylangolensin Statistical significance between genders was determined using Mann-Whitney test denoted by †