نتایج جستجو برای: lecithin organogels
تعداد نتایج: 3682 فیلتر نتایج به سال:
Recent studies suggest that lecithin-rich diet can modify cholesterol homeostasis and hepatic lipoprotein metabolism. Considering the phytotherapeutic impact of lecithin, this work hypothesizes that lecithin administration in hypercholesterolemic patients may reduce cholesterol concentrations by increasing biliary secretion. Total cholesterol and LDL were evaluated after soy lecithin administra...
The specific affinity for membrane lipids and the membrane selectivity of three imidazole derivatives, clotrimazole, miconazole, and econazole, were studied using various types of liposomes with respect to the lecithin fatty acyl group composition and the liposome content and composition of sterol as membrane models. The sensitivity of liposomes to these drugs was primarily dependent upon the l...
We describe a new and specific method for measurement of lecithin palmitic acid in amniotic fluid. Dipalmitoyl lecithin, the major alveolar surfactant, has previously been estimated by measuring the lecithin-sphingomyelin ratio, total lecithin, total phospholipid phosphorus, and (or) total palmitic acid. Our method is more specific for estimation of dipalmitoyl lecithin, because nonphospholipid...
Depending on their phospholipid composition, liposomes are endocytosed by, or fuse with, the plasma membrane, of Acanthamoeba castellanii. Unilamellar egg lecithin vesicles are endocytosed by amoeba at 28 degrees C with equal uptake of the phospholipid bilayer and the contents of the internal aqueous space of the vesicles. Uptake is inhibited almost completely by incubation at 4 degrees C or ...
in this study, the effects of dietary egg lecithin on digestive enzymes and body biochemical composition of juveniles mesopotamichthys sharpeyi was evaluated. four experimental diets including control diet (with 0% egg lecithin) and three diets containing 2%, 4% and 6% egg lecithin were used. at the end of the experiment, digestive enzymes activity (lipase, amylase and alkaline phosphatase) and...
We demonstrate Förster resonance energy transfer from dehydroergosterol to dansylated lecithin in lecithin-cholesterol vesicles and characterize the vesicles in the presence of the pro-nucleating enzyme, phospholipase C (PLC). Exposure to phospholipase C causes a temporary decrease in the dehydroergosterol to dansyl fluorescence ratio followed by an increase to and above the initial value. The ...
Organogels are an important class of gels, and comparable to hydrogels owing their properties as liquid-infused soft materials. Despite the extensive choice liquid media compatible networks that can provide a broader range properties, relatively few studies reported in this area. This review presents applicability organogels concerning components, unique applications. Their distinctive features...
Abstract This study was conducted to investigate the effect of different levels of phospholipids on fatty acid profile, lipid content of body and lipase activity in stellate fish (Acipenser stellatus) fed different levels of lecithin as phospholipid source. The fish with average weight of 11.25 ± 0.06 g were fed seven different diets having identical levels of protein and lipid content but dif...
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