Lichen Secondary Metabolites by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9783030168148
Publisher: Springer International Publishing

It is known that with the increase of the number of hydroxyl groups in the molecule, as well as the extension of the side chain of an antioxidant increases the activity of these compounds, probably due to the possibility of stabilization free radical forms the side chain conjugation (Yanishlieva et al. 1999). Because of the large number of potential reactive centres, the phenol molecule has the ability to react with the radicals of the same time.

Phenolics possess ideal structural chemistry for antioxidant activity and have been shown to be more effective in vitro than vitamins E and C on molar basis (Michalak 2006). As described by Bors et al. (1990), there are three structural features that are important determinants for the antioxidant potential of phenols:1.The ortho 3′,4′-dihydroxy structure in the B ring

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