نتایج جستجو برای: stigmasterol
تعداد نتایج: 625 فیلتر نتایج به سال:
Isolation and Structure Elucidation of Secondary Metabolites from Echinophora platyloba DC from Iran
Background: Echinophora platyloba DC (Apiaceae) is one of the two endemic species of Echinophora genus in Iran. It has many folkloric uses and several biological activities but there is no information about its phytoconstituents. Objective: In this work some of the secondary metabolites were isolated, purified and identified from n-hexane, ethyl acetate and methanol extracts from the aerial pa...
Sitosterol, campesterol, stigmasterol, and cholesterol were isolated from green wheat (Triticium aestivum var. Monon) seedlings. Sitosterol was the predominant sterol extracted from the shoot, root, and crown tissue. Cholesterol accounted for less that 1% of sterol in shoot tissue with only trace amounts in the root. A temperature change from 10 to 1 C resulted in a general decrease in sitoster...
The current research has centered on the use of pharmacological and binding affinity methods to test 36 compounds as bioactive constituents’ inhibitors for COVID-19. Six out phytoconstituents (rutin, quercetin, catechin gallate, rhamnetin, campesterol stigmasterol) have demonstrated outstanding molecular docking drug-like properties HIV Lopinavir Indinavir. Interestingly, lowest energies (LBE) ...
background: salvia limbata is an aromatic herbaceous plant and grows widely in iran turkey and afghanistan. in the previous study, six flavones together with rosmarinic acid were isolated from the ethyl acetate and methanol extracts of s. limbata. in this report, we focused on the isolation and identification of the glycosylated sterols and the main accumulated amino acid of the species s. limb...
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...
A phytochemical study was conducted on the leaves of Phyllanthus reticulatus obtained from a riverside in Taman Negara Kuala Koh, Kelantan. The separations of the chemical components were carried out using different chromatographic techniques and structures of compounds were elucidated by spectroscopic methods including nuclear magnetic resonance as well as mass spectrometry. Three compounds we...
background: the genus lomatopodium fisch. & c.a.mey., belongs to apiaceae family and contains one herbaceous species growing wildly in iran. there are only a few papers about the chemical constituents of these plants. here, we focused on the isolation and identification of the main flavonoid glycosides and sterols from the aerial parts of l. staurophyllum, which has not been previously reported...
We have studied metabolism of plant sterols and squalene administered intravenously in the form of lipid emulsion mimicking chylomicrons (CM). The CM-like lipid emulsion was prepared by dissolving squalene in commercially available Intralipid. The emulsion was given as an intravenous bolus injection of 30 ml containing 6.3 mg of cholesterol, 1.9 mg of campesterol, 5.7 mg of sitosterol, 1.6 mg o...
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