منابع مشابه
Aromatic and Steroid Compounds from Smilax Bracteata C. Presl. (Smilacaceae), a Bornean Medicinal Herb
The medicinal herb, Smilax bracteata C. Presl. is a monocotyledon species in the family of Smilacaceae. There are about 261 species and 240 infraspecific species (IPNI, 2015) which are distributed in tropical and subtropical regions, with some herbaceous species extending their range into the temperate regions of North America, Europe and Asia. The greatest diversity is found in eastern Asia. I...
متن کاملThe steroid glycoside H.g.-12 from Hoodia gordonii
21 Steroid glycosides extracted from the succulent plant Hoodia gordonii are suggested to have 22 appetite suppressant effects both in animals and humans. Yet, the mechanisms underlying the 23 putative satiety action of Hoodia steroid glycosides are not fully understood. We found that 24 H.g.-12, a steroid glycoside purified from Hoodia gordonii extract, initiated cholecystokinin 25 (CCK) secre...
متن کاملScreening of some saponins and phenolic components of Tribulus terrestris and Smilax excelsa as MDR modulators.
BACKGROUND Cytotoxic activity of saponins and phenolic compounds have been described in the literature, but no reports were found on their multidrug resistance (MDR)-modulating effects on human mdr1 gene-transfected mouse lymphoma cell line. MATERIALS AND METHODS Methylprototribestin, structurally related compounds and a mixture of 3 acetylated isomers of methylprotodioscin were investigated ...
متن کاملThe Protective Effect of an Aqueous Extract from Smilax Excelsa L. against Carbon Tetrachloride-induced Liver Injury in Rats
Background: Because reactive oxygen species (ros) contribute to the pathogenesis of various acute and chronic liver diseases, dietary antioxidants and drugs from herbal origins have been proved to be beneficial as therapeutic agents in reversing hepatotoxicity and oxidative stress. The objective of this study was to investigate the protective effect of an aqueous extract from smilax excelsa l. ...
متن کاملAlkaloids from Spathelia excelsa: their chemosystematic significance.
The methanol extract from the leaves of Spathelia excelsa yielded six alkaloids: 2-(12-oxo-tridecanyl)-3-methoxy-4-quinolone, 2-(10-hydroxy-10-methyldodecanyl)-3-methoxy-4-quinolone, 2-(11-hydroxy-11-methyldodecanyl)-3-methoxy-4-quinolone, 2-(12-hydroxytridecanyl)-3-methoxy-4-quinolone, 7-hydroxy-2-(3-hydroxy-3-methylbutyl)-4-quinolone and 6-hydroxy-2-(3-hydroxy-3-methylbutyl)-4-quinolone, in a...
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ژورنال
عنوان ژورنال: Chemistry of Natural Compounds
سال: 1975
ISSN: 0009-3130,1573-8388
DOI: 10.1007/bf00568488