A REVIEW ON IMPORTANCE AND PHARMACOLOGICAL APPLICATIONS OF FLAVONOIDS
P. Thirupathy Kumaresan*, N. Venkateshan, M. Suguna and M. Subramaniyam
ABSTRACT
Flavonoids, a class of plant secondary metabolites having a polyphenolic structure, are found in fruits, vegetables, grains, bark, roots, stems, flowers, tea, and wine. They have miscellaneous favorable biochemical and antioxidant effects associated with various diseases such as cancer, Alzheimer’s disease (AD), atherosclerosis. Flavonoids are classified into six groups, including flavones, flavonol, flavanone, isoflavone, flavan-3-ol, and anthocyanin, this classification depending on which carbon of the C ring attached to the B ring and the degree of unsaturation and oxidation potential of C ring. The B ring is linked at the position 3 of C ring re called isoflavones. In which the B ring is linked at the position 4 are called neoflavonoids. In this present study give the details about nomenclature, structure, and its biological activities of flavonoids.
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