Table 4. Spearman correlation coefficients for isoflavone intake on 2-day dietary records and mean of urinary isoflavonoid measurements among participants on a regular diet.
Dietary intake (mg/day) | Urinary excretion (µmol/24 hours) | r | ||
Daidzein | 7.57 ± 12.12 | Total daidzeina | 19.79 ± 22.93 | 0.55e |
Genistein | 10.18 ± 17.38 | Total genisteinb | 6.42 ± 9.69 | 0.60e |
Glycitein | 1.05 ± 2.72 | Total glyciteinc | 1.98 ± 2.85 | 0.50e |
Isoflavone | 18.80 ± 31.96 | Total isoflavoned | 28.18 ± 31.85 | 0.58e |
aTotal daidzein = daidzein plus its metabolites dihydrodaidzein, equol, and O-desmethylangolensin.
bTotal genistein = genistein plus its metabolite dihydrogenistein.
cTotal glycitein = glycitein plus its metabolite dihydroglycitein.
dTotal isoflavone = total daidzein + total genistein + total glycitein.
eP < 0.01.