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Antiradical efficiency of 20 selected medicinal plants

Kamal, Raka, Yadav, Sunita, Mathur, Manas, Katariya, Pawan
Natural product research 2012 v.26 no.11 pp. 1054-1062
Curcuma longa, Momordica charantia, Moringa oleifera, Phyllanthus emblica, Santalum album, Syzygium cumini, Trigonella foenum-graecum, antioxidant activity, antioxidants, free radicals, medicinal plants, screening, vitamin A
The antioxidant system of a plant comprises a group of chemicals that are highly diverse in their sources, effects and uses. These antioxidants are capable of contracting and damaging free radicals. This investigation deals with a screening and comparison of the antioxidant activities of 20 selected medicinal plants and their parts, individually and in combination with vitamins A, C or E, using the DPPH radical scavenging method. Phyllanthus emblica L., Santalum album L., Syzygium cumini L. and Trigonella foenum-graecum L. presented highly significant antiradical efficiency (AE) singly and in combination with either vitamin A, C or E. Further, Curcuma longa L., Momordica charantia L., S. cumini, T. foenum-graecum, Moringa oleifera Lam and S. album have also shown fairly significant AE in a vitamin combination dose of 0.001 mM concentration.