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Research Article - Journal of Biotechnology and Phytochemistry (2021) Volume 5, Issue 3
Phytochemicals, antioxidants and antimicrobials components in leaf extracts of curcuma caesia roxb with reference to location.
Medicinal plants are reported to possess various activities. The present study was designed to compare the antimicrobial and antioxidant potency of Curcuma caesia Roxb, Himalayan variety, and native Kerala variety. Methanol extracts of both varieties of Curcuma caesia Roxb were investigated for the comparison of antimicrobial activity by the disk diffusion agar plate method. The activity index was calculated with was more than 0.5. Himalayan variety exhibited more antimicrobial activity towards gram-positive and the Indian variety exhibited more activity in the gram-negative microorganism. We also investigated the antioxidant activity of Curcuma caesia Roxb, Himalayan variety, and native Kerala variety by FRAP method. The maximum percentage of inhibition by the Himalayan variety was found to be 98.76 ± 0.2% and that of Indian variety was found to be 81.81 ± 0.32%. IC50 values were found to be 28.1 µg/ml, 29.9 µg/ml, and 39.9 µg/ml for ascorbic acid, Himalayan variety, and Indian variety respectively. The study has provided a basis to explore the chemical constituents in Curcuma caesia Roxb.
Author(s): Elseena Jose*, Anju George, Antony Mathew