Rapid TLC Method for Estimation of Mevalonic Acid in the Leaves of Medicinal Plants |
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Authors: | Mauji Ram Salim Khan Prabhakar Jha Mather A Khan Usha Kiran Saleem Javed Malik Z Abdin |
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Institution: | 1. Centre for Transgenic Plant Development, Department of Biotechnology, Jamia Hamdard, New Delhi, 110062, India 3. Department of Botany, Jamia Hamdard, New Delhi, 110062, India 2. Department of Biochemistry, Jamia Hamdard, New Delhi, 110062, India
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Abstract: | A simple, rapid, specific and sensitive thin layer chromatographic (TLC) method has been developed for the quantitative estimation of mevalonic acid (MVA) in leaves of medicinal plants; Artemisia annua, Psorelia corylifolia, Vinca rosea, Withania somnifera and Barleria proinites. The assay procedure involved conversion of MVA to its lactone, mevalonolactone (MVAL). Mevalonic acid was extracted from the leaf tissues of plants. Separation of MVAL was carried out on silica gel 60 F254 TLC plates using benzene:acetone (3:2) as the mobile phase. The densitometric determination of MVAL was performed at 600 nm after derivatization with anisaldehyde reagent in absorption–reflectance mode. The method was validated over the linearity range of 100–500 ng spot?1 and correlation coefficient for the calibration curve was >0.99. The average recovery of MVAL, used as internal standard, was higher than 98%. The lower limit of detection was found to be 50 ng spot?1. |
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