• A class of polyphenolic compounds derived from the Fabaceae family with potential phytoestrogenic, cholesterol-reducing, chemotherapeutic and antioxidant activity. In isoflavones the phenyl group on the benzopyran ring is in position 3 relative to the oxygen of the ring. Most isoflavones for human consumption and that are currently studied are derived from soy beans.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• A flavone with the phenyl group at C-3 instead of C-2.
  CRCH Nutrition Terminology
  Cancer Research Center of Hawaii, University of Hawaii, 2021
• An estrogen-like substance made by some plants, including the soy plant. Soy isoflavones are being studied in the prevention of cancer, hot flashes that occur with menopause, and osteoporosis (loss of bone density).
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• 3-Phenylchromones. Isomeric form of FLAVONOIDS in which the benzene group is attached to the 3 position of the benzopyran ring instead of the 2 position.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021