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- 저자 : Ashok N. Saoji (검색결과 1 건)
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Isolation of Phytosterols and Antihyperlipidemic Activity of Lagenaria siceraria
Ravi P. Kalsait,Pramod B. Khedekar,Ashok N. Saoji,Kishor P. Bhusari 대한약학회 2011 Archives of Pharmacal Research Vol.34 No.10
Lagenaria siceraria (Molina) Standl in the Cucurbitaceae family is a large, pubescent, climbing, or trailing herb cultivated throughout India and the tropical regions of the world. Phytochemical investigation of the methanol extract obtained from the fruits of the plant L. siceraria showed a positive Liebermann-Burchard test for sterols. The white sterol crystals or phytosterols from the methanol extract were isolated for the first time and identified as a mixture of four sterols, including fucosterol (1), racemosol (2), stigmasterol (3), and stigmasta-7,22-dien-3β,4β-diol (4). These compounds were identified by spectroscopic evidence including FTIR, 1H-NMR, MS, and GC. The white sterol crystals, which are the mixture of four sterols, were evaluated for antihyperlipidemic activity in Wistar rats. The blood samples were collected from the retro-orbital plexus and serum was separated and analyzed for lipid profiles. These sterol crystals (30 mg/kg) showed significant reductions in lipid profiles which included cholesterol, triglycerides, LDL and VLDL. In addition, a significant increase in HDL cholesterol observed, which is a good cholesterol that protects hearts from coronary artery diseases. These sterol crystals or phytosterols can be used as an antihyperlipidemic agent to treat the hyperlipidemic.
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