CHOP or CRUSH Broccoli 40 minutes before you steam it so the ENZYMES can create the CANCER FIGHTING properties. Wait 40 minutes before applying heat. SEE VIDEO
Sulforophane to erucin conversion has already done it's job after 40 minutes so now you can apply heat.
Second Strategy to Cooking Broccoli Adding myrosinase enzymes in the form of even a pinch of mustard powder to cooked cruciferous (cabbage-family) vegetables like kale, collards or Brussels…
Broccoli florets appear to have more phytonutrients than broccoli leaves
The way broccoli is prepared may determine phytonutrient activity. Click to see video: