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Table 2 Serum Levels of Isoflavones, Genistein and Daidzein, and Isoflavonoid Equol (all values in ng/ml ± 1.0)

From: Neuromodulation by soy diets or equol: Anti-depressive & anti-obesity-like influences, age- & hormone-dependent effects

Experiment Diet Genistein Daidzein Equol Total (G+D+E)
1 Phyto-low 8.1 ± 0.6* 4.8 ± 0.7* 439.1 ± 80.5* 452.0 ± 80.4*
  Phyto-600 45.3 ± 8.4 34.9 ± 6.7 932.3 ± 121.4 1012.5 ± 135.5
2 Phyto-low 7.1 ± 1.4* 7.0 ± 0.8* 345.5 ± 97.1* 359.5 ± 96.5*
  Phyto-600 32.1 ± 11.8 30.5 ± 5.1 753.5 ± 76.6 816.1 ± 81.0
3 Phyto-low 5.3 ± 1.1* 3.1 ± 0.3* 4.1 ± 0.4* 12.4 ± 1.4*
  Phyto-600 48.5 ± 8.6 38.2 ± 7.0 495.6 ± 33.3 582.3 ± 31.2
4 Phyto-low 8.3 ± 0.4* 8.0 ± 1.7* 779.2 ± 60.4 # 792.2 ± 63.7 #
  Phyto-600 36.0 ± 7.8 40.4 ± 9.2 415.1 ± 64.9 491.5 ± 76.3
5 Phyto-low     
  Before 4.6 ± 0.8* 3.1 ± 0.3* 4.0 ± 0.4* 11.1 ± 1.2*
  After 3.7 ± 0.5* 3.1 ± 0.3* 376.3 ± 92.9 383.3 ± 92.0
  Phyto-600     
  Before 31.4 ± 6.3 36.1 ± 7.1 339.7 ± 13.7 407.3 ± 27.0
  After 25.2 ± 5.0 34.2 ± 6.5 321.6 ± 10.0 381.0 ± 21.0
  1. * Phyto-low value significantly lower than Phyto-600 value; # Phyto-low value significantly higher than Phyto-600
  2. value; ** Phyto-low Before value significantly lower than After value; Before refers to serum measured prior to 1st
  3. Porsolt test; After refers to serum measured after 2nd Porsolt test.