Table 1

Cumulative amounts of ITC conjugates in 24-h human urine before (baseline) and after ingestion of cooked watercress meal

Subject no.SexUrine excreted before consumption (liters)ITCs in baseline urine (μmol)aUrine excreted after consumption (liters)ITCs in urine after consumption (μmol)a% of administered dose excreted as ITC conjugatesb
1M1.25.4 ± 0.22.034.8 ± 0.8c7.3
2F0.60.6 ± 0.21.533.0 ± 2.56.9
3F1.50.5 ± 0.13.228.1 ± 0.25.9
4F1.31.1 ± 0.10.817.8 ± 0.73.7
5M2.81.0 ± 0.13.017.4 ± 0.13.6
6F0.30.3 ± 0.10.715.2 ± 0.63.2
7F1.41.6 ± 0.41.415.4 ± 0.33.2
8M2.12.2 ± 0.11.45.6 ± 0.11.2
9M1.80.7 ± 0.13.05.7 ± 0.21.2
  • a Mean ± SD (triplicate data).

  • b On the basis of 475 μmol of ITCs in cooked watercress juice treated with myrosinase.

  • c Values obtained after subtracting the baseline concentration.