نتایج جستجو برای: triolein
تعداد نتایج: 525 فیلتر نتایج به سال:
In the absence of water, the solubility of cholesterol in triolein at 21 degrees C was 2.8%. When water was added to the system, the solubility of cholesterol in the oil phase decreased to 1.9%, and cholesterol monohydrate precipitated. The precipitation of the sterol evidently resulted from the excess concentration of the surface-active cholesterol at the interface, allowing the rapid interact...
Natural ester has been widely studied as an alternative dielectric liquid to mineral oil in recent years. Unsaturated triacylglycerol molecules are the main components of natural ester; therefore, in this paper, we investigate the molecular structure and electronic properties of the triolein molecule, an oleic-type triacylglycerol molecule, as a representative component of natural ester oils. T...
An acid lipase (EC 3.1.1.3) from human gastric juice was purified by using poly(ethylene glycol)-6000 precipitation, ethanol fractionation and Sephadex G-75 gel filtration. A molecular weight of 44000 was obtained by SDS-polyacrylamide gel electrophoresis. pH-dependent aggregation was observed and by using Sephadex G-200 gel filtration, a molecular weight of 90000 was obtained at pH 6.0 and 450...
LONG, JAMES F., AND FRANK P. BROOKS. Relation between inhibition of gastric secretion and absorption of fatty acids. Am. J. Physiol. 2og(3) : 44745 I. 1965. -Gastric secretion stimulated by a 100-g meat meal was inhibited by oleic acid and triolein and the inhibition correlated with absorption of the respective lipids in dogs with vagally innervated gastric pouches. Twentysix milliliters of lip...
LONG, JAMES F., AND FRANK P. BROOKS. Relation between inhibition of gastric secretion and absorption of fatty acids. Am. J. Physiol. 2og(3) : 44745 I. 1965. -Gastric secretion stimulated by a 100-g meat meal was inhibited by oleic acid and triolein and the inhibition correlated with absorption of the respective lipids in dogs with vagally innervated gastric pouches. Twentysix milliliters of lip...
Apoprotein (apo) A-1 binding to large triolein-rich emulsion particles saturated with cholesterol has been examined as a function of the oleic acid content. Six emulsion systems were formed containing 0.3-1.0% (by weight) oleic acid, 82.9-86.3% triolein, 10.6-7.2% egg yolk phosphatidylcholine, and 6.7-5.5% cholesterol. The average emulsion particle diameters calculated from these lipid composit...
Two protocols were performed to study meal fatty acid metabolism. In protocol 1, 14 patients scheduled for elective intra-abdominal surgery (11 undergoing bariatric surgery for severe obesity) consumed a meal containing [3H]triolein in the evening before surgery. This allowed us to measure adipose tissue lipid specific activity (SA) in mesenteric and omental, deep and superficial abdominal subc...
In the present study, porcine pancreatic lipase, rabbit gastric lipase, and human gastric lipase stereospecificity toward chemically alike, but sterically nonequivalent ester groups within one single triglyceride molecule was investigated. Lipolysis reactions were carried out on synthetic trioctanoin or triolein, which are homogenous, prochiral triglycerides, chosen as models for physiological ...
BACKGROUND: Although the effects of resistant starch (RS) on postprandial glycemia and insulinemia have been extensively studied, little is known about the impact of RS on fat metabolism. This study examines the relationship between the RS content of a meal and postprandial/post-absorbative fat oxidation. RESULTS: 12 subjects consumed meals containing 0%, 2.7%, 5.4%, and 10.7% RS (as a percenta...
Abstract A relation between oil uptake and cancer as well as induction of hepatic inflammation was shown earlier. It is discussed that the main oil oxidation products-hydroperoxides and carbonyls-might be the reason for the mentioned diseases. In this manuscript quantitative determination of aldehydes which are formed during oxidation of triolein-as a model substance-using the Rancimat 679 is d...
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