نتایج جستجو برای: acidolysis

تعداد نتایج: 131  

Journal: :Journal of oleo science 2011
Sumita SilRoy Mahua Ghosh

The objective of the work was to produce capric acid rich structured lipids starting from various Indian indigenous vegetable oils, such as rice bran, ground nut and mustard oils. Acidolysis reaction between individual vegetable oils and capric acid in one is to three molar ratios at 45 degree centigrade temperature was carried out using position specific Candida antarctica lipase so as to prot...

2013
Jun-Hui Zhang Yu-Yan Jiang Ying Lin Yu-Fei Sun Sui-Ping Zheng Shuang-Yan Han

To improve the performance of yeast surface-displayed Rhizomucor miehei lipase (RML) in the production of human milk fat substitute (HMFS), we mutated amino acids in the lipase substrate-binding pocket based on protein hydrophobicity, to improve esterification activity. Five mutants: Asn87Ile, Asn87Ile/Asp91Val, His108Leu/Lys109Ile, Asp256Ile/His257Leu, and His108Leu/Lys109Ile/Asp256Ile/His257L...

2015
Fereidoon Shahidi Fayez Hamam Ying Zhong

Structured lipids (SL) containing lauric acid and long-chain polyunsaturated fatty acids (LC PUFA) were produced using high-laurate canola oil (Laurical 35) and eicosapentaenoic acid (EPA, C20:5 n-3), docosapentaenoic acid (DPA, C22:5 n-3), and docosahexaenoic acid (DHA, C22:6 n-3) as substrtaes. Laurical 35, containing 37% lauric acid and 34% oleic acid, was subjected to acidolysis reaction in...

Journal: :Journal of natural products 2008
Anderson Guerra Marcela Norambuena Juanita Freer Dimitris S Argyropoulos

Enzymatic mild acidolysis lignins (EMAL) isolated from different species of softwood and Eucalyptus globulus were submitted to comparative analysis that included thioacidolysis, derivatization followed by reductive cleavage (DFRC), and DFRC followed by quantitative (31)P NMR (DFRC/(31)P NMR). While gas chromatography (GC) was used to determine the monomer yields from both thioacidolysis and DFR...

2017
Mingrui Chen Shuyao Wang Xue Liang Donghui Ma Li He Yaowen Liu

The present study was conducted to investigate the effects of dietary acidolysis-oxidized konjac glucomannan (A-OKGM) (0%, 0.4%, 0.8%, and 1.6%) supplementation on the immunity and expression of immune-related genes in Schizothorax prenanti. After feeding for eight weeks, the serum and guts were used for measurement of biochemical parameters, and immune-related gene expression in the gut were a...

2002
Peter J Jan Feijen

Morpholine-2,5-dione derivatives having substituents with benzyl-protected carboxylic acid, benzyloxycarbonyl-protected amine and p-methoxy-protected thiol groups, respectively, were prepared in 2958% yield by cyclization of the corresponding N-[(2RS)-bromopropionyl]L-amino acids. Polyesteramides with protected pendant functional groups were obtained by ringopening copolymerization of either &-...

2011
Qiang Wang Kefu Chen Jun Li Guihua Yang Shanshan Liu Jun Xu

The solubility of lignin from bagasse in a 1,4-butanediol/water mixed solution was investigated and explained by the solubility parameter (δvalue). To explore the lignin solubility, enzymatic hydrolysis/mild acidolysis lignin (EMAL) isolated from bagasse was used as the starting material to prepare lignin solution by ultrasonic treatment. The lignin content in solution was determined by UV-vis ...

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