Catalytic transfer hydrogenation of corn, peanut, olive, soybean, and sunflower oils has been studied with aqueous sodium formate solution as hydrogen donor and palladium on carbon as catalyst. Kinetic constants and selectivity have been determined under intensive stirring in the presence of stabilizing agents. Hydrogenation reactions followed first-order kinetics with respect to fatty acids. Besides good selectivity and short reaction time, this method offers safe and easy handling. The presence of linolenic acid retards the migration of double bonds, which explains why soybean oil is the most appropriate for this hydrogenation process. JAOCS 75, 629-633 (1998).
Catalytic transfer hydrogenation of soybean lecithin has
been studied using aqueous sodium
formate solution as hydrogen donor and palladium on carbon as catalyst.
Kinetic constants
and selectivity have been determined at intensive stirring.
Hydrogenation reactions followed
the first-order kinetics with respect to fatty acids. In addition
to short reaction time, this method
offers safe and easy handling. Hydrogenated soybean lecithin
provides products with increased
stability with respect to oxidation, mostly applied in cosmetics and
pharmaceutical preparations.
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