نتایج جستجو برای: Lecithin

تعداد نتایج: 3415  

Journal: :Food bioscience 2023

Probiotic formulations containing lecithin phospholipids have been shown to extend their viability. However, the protective effect of and properties mixtures probiotic cells in aqueous media not fully documented. The aim this study was investigate interactions between Bifidobacterium animalis ssp. lactis (Bifido) probiotics lecithin. lecithin-Bifido were dependent on concentration. FTIR Raman s...

Journal: :The Journal of biological chemistry 1967
R O Scow Y Stein O Stein

Incorporation of dietary phospholipids into lymph chylomicrons was studied in rats fed corn oil containing either radioactive lecithin or lysolecithin. The specific activity of lecithin-s2P in chylomicrons relative to that in the oil increased directly with the amount of lecithin fed, whereas the lecithin content of chylomicrons was constant. About 40% of the phospholipid in chylomicrons was de...

2016
Lei Dai Cuixia Sun Di Wang Yanxiang Gao

Lecithin, a naturally small molecular surfactant, which is widely used in the food industry, can delay aging, enhance memory, prevent and treat diabetes. The interaction between zein and soy lecithin with different mass ratios (20:1, 10:1, 5:1, 3:1, 2:1, 1:1 and 1:2) in ethanol-water solution and characterisation of zein and lecithin composite colloidal nanoparticles prepared by antisolvent co-...

2015
S. Khode M. Lalan

The purpose of this review is to give an insight into the considerable potential of lecithin based nanocarriers. The lecithin microemulsion and closely related microemulsion based systems are currently of interest to pharmaceutical researchers. Conventional systems for topical delivery of drugs meet many hindrances like reduced permeation and entrapment efficiency. Lecithin nanocarriers with th...

Journal: :Clinical chemistry 1987
J S Amenta S C Brocher A L Serenko-Aber

Amniotic fluid phospholipids from 346 patients' specimens were quantified and evaluated against the clinical outcome (i.e., respiratory distress syndrome or normal respiratory function). Concentrations of lecithin, sphingomyelin, phosphatidylglycerol, and the lecithin/sphingomyelin reflectance ratio were evaluated by ordered frequency distribution and stepwise discriminant function analysis. Th...

Journal: :The Journal of Cell Biology 1969
Olga Stein Yechezkiel Stein

Injection of choline-(3)H into choline-deficient rats resulted in an enhanced incorporation of the label into liver lecithin, as compared to the incorporation of label into liver lecithin of normal rats. The results obtained with the use of different lecithin precursors indicate that in the intact liver cell, both in vivo and in vitro, exchange of choline with phosphatidyl-choline is not signif...

Journal: :Clinical chemistry 1981
L J McDonald N I Robin L Siegel

We describe a new method of complete analysis for lecithin, lysolecithin, and sphingomyelin in amniotic fluid. The analysis is based on alkaline hydrolysis of the lecithins and the enzymic hydrolysis of sphingomyelin. The choline formed in each instance is enzymically phosphorylated with [gamma-32P]ATP to yield [gamma-32P]phosphorylcholine, which is isolated by anion-exchange chromatography and...

Journal: :The Biochemical journal 1996
H Ochi S Tazuma G Kajiyama

The present study was performed to determine whether the degree of lecithin hydrophobicity regulates bile metastability and, therefore, affects the process of cholesterol crystallization. Supersaturated model bile (MB) solutions were prepared with an identical composition on a molar basis (taurocholate/lecithin/cholesterol, 73:19.5:7.5; total lipid concentration 9 g/dl) except for the lecithin ...

Journal: :International journal of molecular medicine 2009
Yuebo Zhang Cheng Huang Xiaoyan Sheng Zhenwei Gong Ying Qin Zang

Lecithin is an essential biological component and widely used as a nutritional supplement for protecting cells from oxidation, increase fat burning and preventing cardiovascular disease. Lecithin contains fatty acids identified as the peroxisome proliferator-activated receptor (PPAR) agonists. However, the role of lecithin in adipogenesis and lipogenesis remains elusive. 3T3-L1 cells and mouse ...

Journal: :The British journal of venereal diseases 1950
R P JAYEWARDENE T VELAUDAPILLAI

as the antigen for a simplified precipitation test for syphilis. Cardiolipin is the lipid which, in combination with lecithin, gives the alcoholic extract of beef heart its antigenic properties. It is a complex phosphatidic acid with a molecular weight of 2195 and iodine number 120-125. It requires lecithin and cholesterol for antigenicity. It has not yet been synthesized. The cardiolipin-lecit...

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