Potent Phytonutrient Source For Sprouting These seeds are specially selected, tested, and stored for high germination sprouting use. For best results, store the seeds in a dry (but not refrigerated) place. Researchers have recently discovered a number of exciting phytonutrients with amazing health protecting properties. One phytonutrient derived frombroccoli is Sulforaphane. Researchers have determined that broccoli sprouts contain a much greater Sulforaphane potential than broccoli florets. Enjoy these sprouts regularly.