Lipase-catalyzed synthesis of structured low-calorie triacylglycerols |
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Authors: | T J Mangos K C Jones T A Foglia |
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Affiliation: | (1) USDA, ARS, ERRC, 600 E. Mermaid Lane, 19038 Wyndmoor, PA |
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Abstract: | Because of their unique fatty acid specificities and regioselectivities, lipases have been found to be effective catalysts
for the synthesis of structured lipids that have a predetermined composition and distribution of fatty acyl groups on the
glycerol backbone. The prospective plant-derived lipase found in the exudate of Carica papaya is known for its shortchain acyl group specificity, 1,3-glycerol regioselectivity, and sn-3 stereoselectivity. Carica papaya latex (CPL) was therefore examined for its potential ability to synthesize structured lowcalorie short- and long-chain triacylglycerols
(SLCT). In this paper, we describe the utility of CPL in the lipase-catalyzed interesterification reaction of triacetin and
hydrogenated soybean oil. Normal-phase high-performance liquid chromatography, combined with mass spectrometry, was used to
distinguish the structured SLCT synthesized using the lipase from the corresponding SLCT produced by chemical synthesis. |
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Keywords: | Carica papaya latex C papaya lipase hydrogenated soybean oil interesterification low-calorie fats Rhizomucor miehei lipase triacetin triacylglycerols |
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