Skip to main content
. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Pharmacol Res. 2011 Jul 26;64(5):456–463. doi: 10.1016/j.phrs.2011.07.005

Table 3.

Percent of each SFN metabolite and each ERN metabolite relative to total for each respective ITC in the plasma 12 hrs after consumption of broccoli sprouts or broccoli supplementa

Broccoli sprouts
Broccoli supplement
p-valuesb
A/Ac A/Gd A/A A/G Genotype Treatment Interaction
SFN compoundse % % % %
 SFN 0.30 ± 0.04 0.27 ± 0.06 0.04 ± 0.04 0.05 ± 0.05 0.797 0.0004 0.647
 SFN-GSH 2.64 ± 0.08 2.87 ± 0.14 2.43 ± 0.19 2.58 ± 0.11 0.194 0.125 0.815
 SFN-CG 82.0 ± 1.02 81.0 ± 1.20 89.0 ± 1.19 88.2 ± 0.90 0.574 <0.0001 0.761
 SFN-Cys 3.44 ± 0.12 3.67 ± 0.31 3.06 ± 0.18 3.00 ± 0.18 0.740 0.003 0.336
 SFN-NAC 11.6 ± 0.96 12.2 ± 0.94 5.51 ± 0.99 6.17 ± 0.87 0.646 <0.0001 0.944
ERN compounds
 ERN-GSH 8.39 ± 0.29 9.98 ± 1.09 7.11 ± 0.95 7.76 ± 1.04 0.271 0.043 0.548
 ERN-CG 69.4 ± 1.38 67.6 ± 1.19 72.9 ± 1.78 75.1 ± 1.44 0.916 <0.0001 0.022
 ERN-Cys 13.6 ± 0.59 14.6 ± 1.20 12.09 ± 0.42 12.1 ± 1.59 0.686 0.002 0.360
 ERN-NAC 8.56 ± 1.15 7.77 ± 0.75 7.92 ± 1.67 5.01 ± 1.13 0.311 0.048 0.189
a

Mean ± SEM.

b

Repeated measures 2-way ANOVA

c

Positive GSTP1 genotype (n=7)

d

Heterozygous A313G GSTP1 genotype (n=5)

e

For both SFN and ERN compounds abbreviations are: GSH=glutathione, CG=cysteine-glycine, Cys=cysteine, NAC=N-acetylcysteine