STUDIES ON ANTIOXIDANT ACTIVITIES OF SIX CULTIVARS OF PIPER BETLE LINN
Journal Title: International Journal of Pharmacy and Pharmaceutical Sciences - Year 2014, Vol 6, Issue 11
Abstract
Objective: To study the existence of difference or similarity on total phenolic content, flavonoid content and antioxidant properties among different cultivars of Piper betle L.Methods: The methanolic extracts of six different cultivars, i. e. Banarasi, Bangla, Calcutta, Kammar, Kumbakonam and Vellai were evaluated for total phenolic content (Folin-Ciocalteu method), total flavonoid content (Aluminium chloride method), total antioxidants (Phospho-molybdenum method) and other antioxidant properties (TBA assay, Ferric thiocyanate assay, FRAP assay and ABTS assay). Results: Total phenolic content of the cultivars ranges from 12.5 to 13.9 mg TAE/g DW. Higher flavonoid content was observed in Kumbakonam (24.14 µg QE/g DW) while Bangla possessed the lowest (8.25 µg QE/g DW). The total antioxidants of Vellai accounted to 58.82 mg TAE/g DW while the lowest was recorded in Kumbakonam (39.34 mg TAE/g DW). Maximum % inhibition was observed in the cultivar Vellai for Ferric thiocyanate (FTC), Kumbakonam for Thiobarbituric acid (TBA) and Banarasi for Ferric Reducing Antioxidant Power (FRAP). However, no significant difference was exhibited among the cultivars for ABTS assay. Conclusion: The study amply demonstrates the existence of difference in total phenolic content, total flavonoids and antioxidant property. Thus, proper selection of cultivar of Piper betle for specific use in the pharmaceutical industry is recommended.Â
Authors and Affiliations
S. Bhuvaneswari, N. Sripriya, Udaya Prakash Nk
Keywords
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