Lipase-catalyzed synthesis of structured low-calorie triacylglycerols

被引:38
作者
Mangos, TJ [1 ]
Jones, KC [1 ]
Foglia, TA [1 ]
机构
[1] USDA ARS, ERRC, Wyndmoor, PA 19038 USA
关键词
Carica papaya latex; C. papaya lipase; hydrogenated soybean oil; interesterification; low-calorie fats; Rhizomucor miehei lipase; triacetin; triacylglycerols;
D O I
10.1007/s11746-999-0084-5
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
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 short-chain 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 low-calorie 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.
引用
收藏
页码:1127 / 1132
页数:6
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