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EVALUATION OF ANTIOXIDANT POTENTIAL AND QUALITATIVE ANALYSIS OF MAJOR POLYPHENOLS BY RPHPLC IN NYMPHAEA NOUCHALI BRUM FLOWERS
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Citations
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References
2010
Year
Unknown Venue
Medicinal plants, as source of remedies, are widely used as alternative therapeutic tool for the prevention or treatment of many diseases. The recent studies have investigated that the antioxidant effect of plant products is mainly attributed to phenolic compounds, such as flavonoids, phenolic acids, tannins etc. these compounds are distributed in different parts of plants such as bark, leaves, fruits and flowers etc. The flowers of Nymphaea nouchali Brum have a wide range of applications in ayurveda and traditional medicine. Studies have been taken up to evaluate the enzymatic, non‐ enzymatic and antioxidant potentials in ethanol, methanol and aqueous extracts of N. nouchali dry and fresh flowers. Obtained results showed that the high levels of non‐enzymatic antioxidants like phenols, flavonoids, tannins etc. as well as antioxidant potential found to be more in methanol extracts of N. nouchali dry flowers. It is very interesting that the levels of enzymatic antioxidants were found to be high in the fresh flower aqueous extracts of N. nouchali flowers. Further, studies were also conducted for the identification of phenolic compounds with different solvents using Reverse Phase High Pressure Liquid Chromatography (RP‐HPLC) coupled with photodiode array detector.
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