Table 2

Brassica vegetable intake, IGSL intake, the 2HE:16HE ratio, and E2 levelsa

Study phaseMeanSDRange
Brassicab (g/day)
Baselinec8.810.20–42.1
Intervention193.576.753.6–371.5
Intervention–baselined184.677.352.1–371.5
IGSL (mg/day)e
Baseline2.22.60–10.9
Intervention70.529.912.6–146.9
Intervention–baseline68.330.312.2–140.7
2:16f
Baseline2.270.970.58–4.21
Intervention2.381.310.37–5.43
Intervention–baseline0.111.05−1.78–2.53
E2 (pg/ml)g
Baseline20223–114
Intervention16112–43
Intervention–baseline−520−89–25
  • a n = 34.

  • b Brassica vegetable consumption measured by 24 HRs.

  • c Baseline: data averaged across the baseline 1 and baseline 2 study phases.

  • d Intervention-baseline: change in value from the average of the baseline values to the intervention study phase.

  • e IGSL glucosinolate intake calculated from published indole concentrations and self-reported Brassica consumption.

  • f 2HE:16HE ratio as measured from 24-hour urine samples.

  • g Measured in a morning blood sample.