Unsaponifiable lipid constituents of ten indian seed oils |
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| Authors: | M. Tariq Saeecd R. Agarwal M. W. Y. Khan F. Ahmad S. M. Osman T. Akihisa K. Suzuki T. Matsumoto |
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| Affiliation: | (1) Faculty of Life Science, Aligarh Muslim University, Section of Oils and Fats, Department of Chemistry, 202 002 Aligarh, India;(2) Department of Biochemistry, Faculty of Life Science, Aligarh Muslim University, 202 002 Aligarh, India;(3) College of Science and Technology, Nihon University, 101 Tokyo, Japan |
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| Abstract: | The unsaponifiable lipid constituents, hydrocarbons, triterpene alcohols and sterols of ten seed oils (Catharanthus roseus, Nymphaea nelumbo, Casuari-na equisetifolia, Lagerstroemia therolli, Prosopisjuliflora, Mimusops elengi, Mimusops hexandra, Ponga-miapinnata, Acrocarpus fraxinifolius, and Bauhinia retusa) were investigated by gas liquid chromatography. Total unsaponifiables ran from 4–14%. Some of the seed oils contained large quantities of jβ-amyrin, α-amyrin and cycloartenol. Acrocarpus fraxinifolius was found to contain 84% of lupeol. Stigmasterol (24-ethyl-22ε-dehydrocholesterol), β-sitosterol (24-ethyl-cholesterol) and campesterol (24-methyl-cholesterol) were the common constituents in all the seed oils. Besides these constituents, tirucallol, taraxerol, ψ-taraxasterol, fucosterol, isofucosterol, avenasterol and cholesterol also were detected in small quantities. |
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| Keywords: | Estimation gas-liquid chromatography hydrocarbons identification seed oils sterols triterpenols unsaponifiable lipids |
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