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Facts of Flavonoids for Health Benefits

Phytochemicals are compounds that are produced by plants, like fruits and vegetable.

Food chemists and natural product scientists have identified hundreds of phytochemicals that are being evaluated for the prevention of cancer.

These include the presence in plant foods of such potentially anticarcinogenic substances as Carotenoids, Chlorophyll, Flavonoids, Indoles, Isothiocyanates, Polyphenolic Compounds, Protease Inhibitors, Sulfides, and Terpenes.

This post will help to elucidate the current knowledge of Flavonoids for health.

1. Flavonoids are a group of polyphenolic compounds ubiquitously found in fruits and vegetables

2. The family of Flavonoids are monomeric flavanols, flavanones, anthocyanidins, flavones, and flavonols

3. Flavonoids help protect against free-radical, vasodilatory, anticarcinogenic, anti-inflammatory, antibacterial, immune-stimulating, anti-allergic, antiviral, and estrogenic effects, glutathione reductase.

4. Flavonoids are known to be good transition metal chelators

5. Sources food for Flavonoids:

- Flavanol (Epicatechin, Catechin, Epigallocatechin, Epicatechin gallate, Epigallocatechin): Green and black teas, Red wine.

- Flavanone (Naringin, Taxifolin): Peel of citrus fruits, Citrus fruits .

- Flavonol (Kaempferol, Quercetin, Myricetin): Endive, leek, radish, grapefruit, black tea, Onion, Lettuce, Broccoli, Apple skin, berries, olive, tea, red wine, Cranberry, grapes.

- Flavone (Chrysin, Apigenin, ): Fruit skin, Celery, parsley.

- Anthocyanidins (Malvidin, Cyanidin, Apigenidin): Red grapes, red wine, Cherry, raspberry, strawberry, grapes, Colored fruit and peels.

- Phenyl propanoids (Ferulic acid, Caffeic acid, β-Coumaric acid, Chlorogenic acid): Wheat, corn, rice, tomatoes, spinach, cabbage, asparagus, White grapes, white wine, olives, olive oil, coffee, Apples, pears, cherries, plums, peaches, apricots, blueberries, anise.

References:

1. Boone, C. W., Bacus, J. W., Bacus, J. V., Steele, V. E., and Kelloff, G. J., Properties of intraepithelial neoplasia relevant to the development of cancer chemopreventive agents, J. Cell Biochem. Suppl., 28, 1, 1997.

2. Goodman, G. E., The clinical evaluation of cancer prevention agents, Proc. Soc. Exp. Biol. Med., 216, 253, 1977.