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Taxonomic and Phytochemical Study on Albizia lebbeck and Substitute Plants used in Ayurvedic Drug Preparations in Sri Lanka

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dc.contributor.author Jayasiri, A.P.A.
dc.contributor.author Senanayake, S.P.
dc.contributor.author Paranagama, P.
dc.contributor.author Amarasinghe, A.P.G.
dc.date.accessioned 2015-06-18T04:07:40Z
dc.date.available 2015-06-18T04:07:40Z
dc.date.issued 2012
dc.identifier.citation Jayasiri, A.P.A., Senanayake, S.P., Paranagama, P. and Amarasinghe, A.P.G., 2012. Taxonomic and Phytochemical Study on Albizia lebbeck and Substitute Plants used in Ayurvedic Drug Preparations in Sri Lanka, Proceedings of the Annual Research Symposium 2012, Faculty of Graduate Studies, University of Kelaniya, pp 84. en_US
dc.identifier.uri
dc.identifier.uri http://repository.kln.ac.lk/handle/123456789/8360
dc.description.abstract Nowadays consumption of herbal medicines is widespread and has increased dramatically. The main supply of herbal material for ayurvedic drug preparations is from the wild. It causes inherent problems: misidentification, phenotypic variability, extract variability and adulteration. The pharmacognostic evaluation is the preliminary step in the standardization of crude drugs which provides valuable information in morphology and physical characteristics, and the purity and quality of the plant drugs. Albizia lebbeck (Sinhala- Mara, Sanskrit-Mahari, Hindi- Shiris ) is a South Asian medicinal plant widely cultivated and naturalized in tropical and subtropical regions. In Sri Lanka many substitute plants are used due to the restricted distribution which has caused ambiguity in utilizing accurate plant material. The present study focuses on exploring the use of A. lebbeck and its substitutes in ayurvedic drug preparations with reference to their morphological and pharmacognostic similarity. A questionnaire survey was carried out, using a randomly selected sample population of 100, to determine the use of substitute plants and it revealed that three plants in the subfamily Mimosodeae, Albizia odoratissimma (Sinhala-Suriya mara), Adenanthera pavonina (Sinhala-Madatiya) and Samanea saman (Sinhala-Pare mara) are used widely in Sri Lanka, whereas A. odoratissima is being predominantly used in drug preparations. Specimens of the above plants were collected from the natural habitats and indentified using the authenticated specimens at the National Herbarium. Methanolic bark extracts of A. odoratissimma and A. pavonina were subjected to a preliminary phyotochemical screening to detect the different secondary metabolites, such as carbohydrates, proteins, amino acids, glycosides, and alkaloids. Further, phytochemical screening was carried out using solvents; ethyl acetate, methanol and water. Thin Layer Chromatography was performed on each extract, for the qualitative and quantitative analysis. High yield was obtained from methanolic extracts that indicated the presence of polar compounds. Chromatographic properties have showed the variation of chemical profiles in these two bark extracts. These compounds will be characterized by fractional analysis, and their distributional patterns in these plant species will be compared to evaluate the effectiveness as substitutes to A. lebbeck. en_US
dc.language.iso en en_US
dc.publisher University of Kelaniya en_US
dc.title Taxonomic and Phytochemical Study on Albizia lebbeck and Substitute Plants used in Ayurvedic Drug Preparations in Sri Lanka en_US
dc.type Article en_US


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