Mean bioavailability of sulforaphane from broccoli sprout and seed preparations rich in glucoraphanin, as affected by matrix, mode, of delivery, and activity of myrosinase on its substrate.

a Broccoli Sprout Extractb Broccoli Seed Extract produced commercially as OncoPLEX™ (from Xymogen)c Broccoli Seed Powder (with active myrosinase)d Freeze-Dried Broccoli Sprouts (with active myrosinase)e Myrosinase-converted for 10' at room temperature in juicef A subject pool of 5 volunteers participated in most tests described (numbers 1–15 above). They were augmented with another 17 volunteers for tests numbered 2–5 above.Mean bioavailability of sulforaphane from broccoli sprout and seed preparations rich in glucoraphanin, as affected by matrix, mode, of delivery, and activity of myrosinase on its substrate.