1990
DOI: 10.1111/j.1749-6632.1990.tb18215.x
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Enzymatic Interesterification of Triglycerides in Supercritical Carbon Dioxidea

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Cited by 16 publications
(7 citation statements)
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“…Randolph et al [40] reported a linear increase of the enzymatic oxidation rate of cholesterol with increasing pressure when using scCO 2 saturated with the substrate. Miller et al [41,42] working with lipases in scCO 2 reported an increase of reaction rate with pressure as well. They both explained this fact by an increase of solubility of the substrates in the carbon dioxide.…”
Section: Effect Of Pressurementioning
confidence: 91%
“…Randolph et al [40] reported a linear increase of the enzymatic oxidation rate of cholesterol with increasing pressure when using scCO 2 saturated with the substrate. Miller et al [41,42] working with lipases in scCO 2 reported an increase of reaction rate with pressure as well. They both explained this fact by an increase of solubility of the substrates in the carbon dioxide.…”
Section: Effect Of Pressurementioning
confidence: 91%
“…Reported effectiveness factors ranged between 0.36 and 0.60. The water content is an important variable, and it can influence the reaction rate (Miller et al, 1990(Miller et al, , 1991Chi et al, 1988;Marty et al, 1990;Yu et al, 1992;Dumont et al, 1991Dumont et al, , 1992Dumont et al, , 1993Nakamura et al, 1990;Aaltonen and Rantakyla, 1991a). The addition of small amounts of water initially improved the rate because the enzyme requires a microaqueous environment to be active.…”
Section: Heterogeneous Catalysis and Heterogeneous Reactionsmentioning
confidence: 97%
“…The classes of reactions studied most extensively in SCF solvents, however, have been esterification, interesterification, and transesterification reactions catalyzed by lipases. This extensive research into these systems has identified and elucidated the effects of many of the important variables, such as pressure (Miller et al, 1990(Miller et al, , 1991Erickson et al, 1990;Ikushima et al, 1993). Reaction rates in SC CO, and in organic solvents (typically hexane) have been compared (Martins et al, 1991;Bolz et al, 1991;Marty et al, 1990Marty et al, , 1992aKamat et al, 1992Kamat et al, , 1993Chi et al, 1988;Pasta et al, 1989).…”
Section: Heterogeneous Catalysis and Heterogeneous Reactionsmentioning
confidence: 98%
“…In particular, lipases have been widely used to catalyze a variety of reactions in SC-CO 2 . 1 Miller et al 2 conducted the interesterification of trilaurin and myristic acid, catalyzed by a 1,3-specific lipase from Rhizopus arrhizus, in a continuous-flow packed-bed reactor containing lipase covalently attached to glass beads. The selectivity of the reaction for interesterification over hydrolysis improved at higher pressures as the extent of hydrolysis reaction was reduced.…”
Section: Introductionmentioning
confidence: 99%