Results 171 to 180 of about 924 (200)
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Enzymatic Glycerolysis of Palm and Palm Kernel Oils
Chemical Engineering Communications, 2005Abstract Glycerolysis of palm and palm kernel oils were carried out using commercial lipases from Candida antarctica (Novozym 435) and Mucor miehei (Novozym 388) as catalyst (500 units lipase/g oil) at 40°C and with an oil:glycerol molar ratio of 1:2 in a solvent-free system.
Melek Tu¨ter, H. AyŞe Aksoy
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Biotechnology Letters, 1999
Palm and palm kernel oils were reacted with glycerol using a 1,3-positional specific commercial lipase from Rhizopus delemar, Lipase D ‘Amano’ 100 (40 °C, 500 Units lipase/g oil) in the absence of solvent. After 24 h, partial acylglycerols contents of the glycerolysis products of palm and palm kernel oils were 66% (w/w) and 64% (w/w), respectively. The
Melek Tüter +4 more
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Palm and palm kernel oils were reacted with glycerol using a 1,3-positional specific commercial lipase from Rhizopus delemar, Lipase D ‘Amano’ 100 (40 °C, 500 Units lipase/g oil) in the absence of solvent. After 24 h, partial acylglycerols contents of the glycerolysis products of palm and palm kernel oils were 66% (w/w) and 64% (w/w), respectively. The
Melek Tüter +4 more
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Diacylglycerol‐enriched oil production using chemical glycerolysis
European Journal of Lipid Science and Technology, 2016Diacylglycerol (DAG)‐enriched oils have been drawing increased global attention from researchers and food manufacturers. The production of DAG‐enriched oils have been investigated extensively because of its health benefit. DAG is commonly produced chemically through glycerolysis processes.
null Satriana +5 more
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Production of diacylglycerols through low-temperature chemical glycerolysis
Food Chemistry, 2010Abstract The aim of this study was to produce diacylglycerols (DAG) by chemical glycerolysis of soybean oil at low temperatures. Solvents and low-frequency ultrasonic irradiation were introduced to enhance the reaction. Three operation modes, namely mechanical stirring, magnetic stirring and ultrasonic irradiation, were compared.
Zhong, Nanjing +5 more
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Glycerolysis of Esters with Candida antarctica Lipase B in Glycerol
Journal of Advanced Chemical Engineering, 2011Glycerol was successfully used as a green solvent and as the acyl acceptor in the transesterification of amyl and benzyl acetate using immobilized Candida antarctica lipase B. It was found that increasing either the reaction temperature or the enzyme to substrate ratio increased the conversion of both esters.
Adi Wolfson +4 more
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Glycerolysis of Acyl Glucuronides as an Artifact of in Vitro Drug Metabolism Incubations
Drug Metabolism and Disposition, 2009During an investigation of the in vitro glucuronidation of benoxaprofen by human liver S-9 fraction, an unusual drug-related entity possessing a protonated molecular ion that was 74 mass units greater than the parent drug was observed. It was identified as the glycerol ester of benoxaprofen.
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Engineering Lipid Structure with Enzymatic Glycerolysis
Proceedings of the Virtual 2021 AOCS Annual Meeting & Expo, 2021Reed Nicholson, Alejandro Marangoni
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Glycerolysis of fats and methyl esters — Status, review and critique
Journal of the American Oil Chemists' Society, 1982AbstractWith the possible exception of catalytic hydrogenation, perhaps no unit operation within the realm of oleochemistry is as thoroughly complex as that of glycerolysis. Among the misconceptions and half‐truths that prevail concerning the glycerolysis of fats are the notions that it involves a strictly random distribution of acyl groups among all ...
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Base Catalyzed Glycerolysis of Benzyl Acetate
Letters in Organic Chemistry, 2011Adi Wolfson +3 more
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The mechanism and kinetic model for glycerolysis by 1,3 position specific lipase from
Biochemical Engineering Journal, 2005Tianwei Tan
exaly