Steroid Β-Sitosterol Dari Kayu Batang Slatri (Calophyllum soulattri BURM. F)
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چکیده
منابع مشابه
Phylattrin, a new cytotoxic xanthone from Calophyllum soulattri.
Our continuing studies on secondary metabolites from the stem bark of Calophyllum soulattri has led to the isolation of another new diprenylated xanthone, phylattrin (1), in addition to five other xanthones and two common sterols. The xanthones are soulattrin (2), caloxanthone C (3), macluraxanthone (4), brasixanthone B (5) and trapezifolixanthone (6) while the sterols are stigmasterol (7) and ...
متن کاملSoulamarin, a new coumarin from stem bark of Calophyllum soulattri.
The extracts of the stem bark of Calophyllum soulattri gave a new pyranocoumarin, soulamarin (1), together with five other xanthones caloxanthone B (2), caloxanthone C (3), macluraxanthone (4), trapezifolixanthone (5) and brasixanthone B (6) one common triterpene, friedelin (7), and the steroidal triterpene stigmasterol (8). The structures of these compounds were established based on spectral e...
متن کاملCaloxanthone C: a pyranoxanthone from the stem bark of Calophyllum soulattri
THE TITLE COMPOUND [SYSTEMATIC NAME: 5,10-di-hy-droxy-2,2-di-methyl-12-(2-methyl-but-3-en-2-yl)-pyrano[3,2-b]xanthen-6(2H)-one], C(23)H(22)O(5), isolated from the stem bark of Calophyllum soulattri, consists of four six-membered rings and a 2-methyl-but-3-en-2-yl side chain. The tricyclic xanthone ring system is almost planar [maximum deviation = 0.093 (2) Å], whereas the pyran-oid ring is in a...
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Salvia columbariae extracts were examined for the presence of salvianolic acids by HPLC-MS and NMR. A new salvianolic acid, β-sitosterol lithospermic acid, was found.
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Kesan tiga bahan pengawet kayu dan kerentanan sepuluh spesies kayu keras telah diuji ke atas anaianai tanah, Coptotermes curvignathus (Holm.) di makmal. Kesemua bahan pengawet dapat melindungi kayu dari serangan anai.-anai dengan berkesan. Copper-chrome-arsenic (CCA) didapati lebih berkesan dari sodium pentachlorophenol (Na PCP) atau sodium tribomophenol (Na TBP). Ujian menunjukkan kayu keras C...
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ژورنال
عنوان ژورنال: JPSCR: Journal of Pharmaceutical Science and Clinical Research
سال: 2021
ISSN: 2503-331X
DOI: 10.20961/jpscr.v6i1.44850