نتایج جستجو برای: methyl palmitate
تعداد نتایج: 114555 فیلتر نتایج به سال:
The five major apolar ecdysone esters present in newly laid eggs of the cattle tick Boophilus microplus have been purified by h.p.l.c. The quantities of the apolar esters present in the eggs were increased by administration of ecdysone to the mature females. G.c.-m.s. analysis, as their methyl esters, of the fatty acids released from the apolar ecdysone derivatives by alkali, coupled with posit...
A gas-liquid chromatographic (GLC) procedure is reported for the quantitation of the trimethylsilyl (TMS) derivatives of substituted 2-hydroxy-2H-1,4-benzoxazin-3(4H)-ones (2-hydroxy-2H-1,4-benzoxazin-3(4H)-one[HBOA]; 2-hydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one[HMBOA];2,4- dihydroxy-2H-1,4-benzoxazin-3(4H)-one[DIBOA]; 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one[DIMBOA]; and 2,4-dihy...
Rat pancreatic juice cholesterol ester hydrolase (EC 3.1.1.13) has been purified 600-fold by sequential precipitation with 35 % acetone, diethylaminoethyl cellulose chromatography, and hydroxylapatite chromatography. The purified enzyme gives a single band on polyacrylamide disc electrophoresis and will not hydrolyze methyl butyrate, triolein, or secondary alcohol esters. Data are presented tha...
The mouse 5-hydroxytryptamine 4(a) receptor [5-HT(4(a))] was expressed with a baculovirus system in insect cells and analysed for acylation. [(3)H]Palmitic acid was effectively incorporated into 5-HT(4(a)) and label was sensitive to the treatment with reducing agents indicating a thioester-type bond. Analysis of protein-bound fatty acids revealed that 5-HT(4(a)) contains predominantly palmitic ...
Jatropha curcas L. is one of the seed plants that have lipase activity and can work well in hydrolysis reactions chemical synthesis. This study aims to determine reacts with castor oil organic solvents. In this research, solvents, especially hydrophobic were used reaction increase lipase's catalytic activity. The solvent has a hydrophobicity level between 2 4, namely hexane. research stages con...
To assess different effects of royal Jelly in protecting the human endothelial cells from high glucose level, human umbilical vein endothelial cells were exposed to various concentrations of royal jelly, from 0.625 to 10 mg/ml, at the presence of 5 and 30 mM glucose contents over a course of 72 h. In addition to cell viability assessment by conventional MTT assay, we also analyzed the feature o...
A non-invasive method to characterize human mesenchymal stromal cells during adipogenic differentiation was developed for the first time. Seven fatty acid methyl esters (FAMEs), including methyl laurate, methyl myristate, methyl palmitate, methyl linoleate, methyl oleate, methyl elaidate and methyl stearate, were used for characterizing adipogenic differentiation using headspace solid-phase mic...
Exposure to toxic levels of fatty acids (lipotoxicity) leads cell damage and death is involved in the pathogenesis metabolic syndrome. Since consequences lipotoxicity are still poorly understood, we studied bioenergetic effects saturated acid palmitate, quantifying changes mitochondrial morphology, real-time oxygen consumption, ATP production sources, extracellular acidification hepatoma cells....
Brain eicosapentaenoic acid (EPA) levels are 250- to 300-fold lower than docosahexaenoic acid (DHA), at least partly, because EPA is rapidly β-oxidized and lost from brain phospholipids. Therefore, we examined if β-oxidation was necessary for maintaining low EPA levels by inhibiting β-oxidation with methyl palmoxirate (MEP). Furthermore, because other metabolic differences between DHA and EPA m...
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