Nakyung Choi
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View article: Preparation of High Purity Δ5-Olefinic Acids from Pine Nut Oil via Repeated Lipase-Catalyzed Esterification
Preparation of High Purity Δ5-Olefinic Acids from Pine Nut Oil via Repeated Lipase-Catalyzed Esterification Open
Δ5-Olefinic acids have been characterized in gymnosperm plants and have been reported to have several biological health benefits. Δ5-Olefinic acids from pine nut oil were effectively concentrated by repeated lipase-catalyzed esterification…
View article: Synthesis of Fatty Acid Methyl Esters Using Mixed Enzyme in a Packed Bed Reactor
Synthesis of Fatty Acid Methyl Esters Using Mixed Enzyme in a Packed Bed Reactor Open
Fatty acid methyl esters were synthesized from palm fatty acid distillate (PFAD) and methanol in a packed bed reactor via lipase-catalyzed esterification. The PFAD consisted of 91 wt% of free fatty acids, 2 wt% monoacylglycerides, 3 wt% di…
View article: Production of Phytosteryl Ester from Echium Oil in a Recirculating Packed Bed Reactor Using an Immobilized Lipase
Production of Phytosteryl Ester from Echium Oil in a Recirculating Packed Bed Reactor Using an Immobilized Lipase Open
The synthesis of phytosteryl ester via the lipase-catalyzed esterification of phytosterol with fatty acid from echium oil was performed in a recirculating packed bed reactor. A commercial lipase from Candida rugosa was immobilized and then…
View article: Production of Biodiesel from Acid Oil via a Two-Step Enzymatic Transesterification
Production of Biodiesel from Acid Oil via a Two-Step Enzymatic Transesterification Open
A two-step enzymatic transesterification process in a solvent-free system has been developed as a novel approach to the production of biodiesel using acid oil from rice bran oil soapstock. The acid oil consisted of 53.7 wt% fatty acids, 2.…