Solubility limits of cholesterol, lanosterol, ergosterol, stigmasterol, and β-sitosterol in electroformed lipid vesicles
نویسندگان
چکیده
منابع مشابه
Solubility Limits of Cholesterol, Lanosterol, Ergosterol, Stigmasterol, and β-Sitosterol in Electroformed Lipid Vesicles.
Here we use nuclear magnetic resonance to measure the solubility limit of several biologically relevant sterols in electroformed giant unilamellar vesicle membranes containing phosphatidylcholine (PC) lipids in ratios of 1:1:X DOPC:DPPC:sterol. We find solubility limits of cholesterol, lanosterol, ergosterol, stigmasterol, and β-sitosterol to be 65-70%, ~35%, 30-35%, 20-25%, and ~40%, respectiv...
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represent a minor source of cholesterol (Ibanez et al., 2000). In this work we analyzed the sterol content of agricultural soils. Ergosterol is the main endogenous sterol of fungi and Three eukaryotic sterols, cholesterol, -sitosterol, and ergosterol were of some microalgae. Ergosterol content in fungal cells chosen as representative of the animal, plant, and fungal kingdoms, varies in differen...
متن کاملBilayer thickness and thermal response of dimyristoylphosphatidylcholine unilamellar vesicles containing cholesterol, ergosterol and lanosterol: a small-angle neutron scattering study.
Small-angle neutron scattering (SANS) measurements are performed on pure dimyristoyl phosphatidylcholine (DMPC) unilamellar vesicles (ULV) and those containing either 20 or 47 mol% cholesterol, ergosterol or lanosterol. From the SANS data, we were able to determine the influence of these sterols on ULV bilayer thickness and vesicle area expansion coefficients. While these parameters have been d...
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In this study, hydrophilic derivatives of β-sitosterol, which is known to have potential to reduce blood cholesterol levels, were synthesized by the esterification of poly(ethylene glycol) (PEG) and β -sitosterol with carboxylic functionality in the presence of dehydrating agents and a basic catalyst. By adjusting the molar ratios of reactants in the esterification reaction, hydrophilic β-sitos...
متن کاملIsolation of Stigmasterol and β-Sitosterol from the dichloromethane extract of Rubus suavissimus
Purification of the dichloromethane (CH2Cl2) fraction of the aqueous extract of Rubus suavissimus resulted in the isolation of two sterols namely stigmasterol and β-sitosterol. The structures of the isolated compounds were characterized on the basis of extensive spectral data (1D and 2D NMR; and MS) and in comparison with their literature data.
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ژورنال
عنوان ژورنال: Soft Matter
سال: 2010
ISSN: 1744-683X,1744-6848
DOI: 10.1039/c0sm00373e