Natural sources of Luteolin

• Apigenin and luteolin are flavonoids found in such foods as parsley, artichoke, basil, and
  celery. Both compounds have shown the ability to protect cells against cancer and also to inhibit DNA oxidative damage. In a study on antioxidant potency, apigenin proved more effective than vitamin C in reducing oxidative damage to DNA. When measured against 27 citrus flavonoids, luteolin had the most antiproliferative activities against tumors.

• Indole-3-carbinol (I3C), luteolin and caffeic acid also fight HCAs. A good place to find
  luteolin is artichoke extract. Rosemary contains at least two different types of luteolin. I3C
  is extracted from cruciferous vegetables such as cabbage, cauliflower and broccoli.
  Quercetin is a common polyphenol/phytoestrogen found in vegetables such as onions,
  grapes and green beans. In one experiment, quercetin, luteolin and caffeic acid “were
  found to clearly suppress the formation of both MelQx and PhIP (HCAs). . . ” Experiments
  on HCA inhibitors like luteolin have been done in vitro and in vivo, using both animal and
  human tissue.

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