نتایج جستجو برای: octanoic acid
تعداد نتایج: 747471 فیلتر نتایج به سال:
Sodium salt of N-acetyl-DL-tryptophan (AT) and octanoic acid (caprylic acid CA) individually and in combination were studied as thermal stabilizer with different concentrations in heat treatment of human albumin solution. HPLC protein profiles before pasteurization of albumin showed less than 1% polymer. In free stabilizer albumin solution during pasteurization visible clot was formed. But by u...
Interest in the synthesis and application of thymol esters has increased recent years due to numerous applications associated with its biological activities. The enzymatic octanoate by esterification octanoic acid was explored using soluble lipases immobilized lipase biocatalysts solvent-free systems. Candida antarctica B form most active biocatalyst for this reaction. Different feeding strateg...
Ustilagic acid is a water-insoluble glycolipid produced by Ustilago may&, the corn smut fungus. It was discovered by Haskins (l), and its structure was elucidated by Lemieux, Thorn, and Bauer (2, 3). Pilot plant quantities are being produced in Japan.’ Ustilagic acid was shown to be a mixture of acylated derivatives of /I-n-cellobiosyl-15u, l&dihydroxy-n-hexadecanoic acid (glucoustilic acid A) ...
The *C (13C or 14C) labelled octanoic acid breath test was recently developed to measure the gastric emptying rate of solids. This study aimed to investigate whether it is sensitive enough to detect pharmacologically induced changes in the gastric emptying rate. Nine healthy volunteers were studied in basal condition, after intravenous administration of 200 mg erythromycin, and after peroral ad...
The hypothalamus and other regions within the central nervous system (CNS) link the sensing of nutrients to the control of metabolism and feeding behavior. Here, we report that intracerebroventricular (ICV) administration of the long-chain fatty acid oleic acid markedly inhibits glucose production and food intake. The anorectic effect of oleic acid was independent of leptin and was accompanied ...
In this study, the feasibility of the synthesis of various flavor esters catalyzed by a commercial lipase from Candida rugosa was investigated and the process parameters were optimized. Lipase from C. rugosa successfully catalyzed the synthesis of 19 esters. The highest yields, of more than 90 % after 20 h, were observed in the synthesis of short-chain esters, pentyl propanoate, isopentyl butan...
In an earlier study (S. W. Jordan and J. E. Cronan, Jr., J. Biol. Chem. 272:17903-17906, 1997) we reported a new enzyme, lipoyl-[acyl carrier protein]-protein N-lipoyltransferase, in Escherichia coli and mitochondria that transfers lipoic acid from lipoyl-acyl carrier protein to the lipoyl domains of pyruvate dehydrogenase. It was also shown that E. coli lipB mutants lack this enzyme activity, ...
in the present study, four carbon sources were tested for the polyester synthesis of pseudomonas aeruginosa pa01 which is a ubiquitous environmental bacterium and is one of the top three causes of opportunistic human infections. these included linear c8 to c11 carboxylic acids. octanoic acid, nonanoic acid, decanoic acid and undecanoic acid were added to m1 minimal medium to final concentration...
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