Publication: Simultaneous determination of crypto-chlorogenic acid, isoquercetin, and astragalin contents in moringa oleifera leaf extracts by TLC-densitometric method
Issued Date
2013-04-03
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ISSN
17414288
1741427X
1741427X
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2-s2.0-84875543223
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Mahidol University
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SCOPUS
Bibliographic Citation
Evidence-based Complementary and Alternative Medicine. Vol.2013, (2013)
Suggested Citation
Boonyadist Vongsak, Pongtip Sithisarn, Wandee Gritsanapan Simultaneous determination of crypto-chlorogenic acid, isoquercetin, and astragalin contents in moringa oleifera leaf extracts by TLC-densitometric method. Evidence-based Complementary and Alternative Medicine. Vol.2013, (2013). doi:10.1155/2013/917609 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/32398
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Title
Simultaneous determination of crypto-chlorogenic acid, isoquercetin, and astragalin contents in moringa oleifera leaf extracts by TLC-densitometric method
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Abstract
Moringa oleifera Lamarck (Moringaceae) is used as a multipurpose medicinal plant for the treatment of various diseases. Isoquercetin, astragalin, and crypto-chlorogenic acid have been previously found to be major active components in the leaves of this plant. In this study, a thin-layer-chromatography (TLC-)densitometric method was developed and validated for simultaneous quantification of these major components in the 70% ethanolic extracts of M. oleifera leaves collected from 12 locations. The average amounts of crypto-chlorogenic acid, isoquercetin, and astragalin were found to be 0.0473, 0.0427, and 0.0534% dry weight, respectively. The method was validated for linearity, precision, accuracy, limit of detection, limit of quantitation, and robustness. The linearity was obtained in the range of 100-500 ng/spot with a correlation coefficient (r) over 0.9961. Intraday and interday precisions demonstrated relative standard deviations of less than 5%. The accuracy of the method was confirmed by determining the recovery. The average recoveries of each component from the extracts were in the range of 98.28 to 99.65%. Additionally, the leaves from Chiang Mai province contained the highest amounts of all active components. The proposed TLC-densitometric method was simple, accurate, precise, and cost-effective for routine quality controlling of M. oleifera leaf extracts. © 2013 Boonyadist Vongsak et al.