EFFECTS OF TWO FAT SUBSTITUTES ON LIPID METABOLISM IN RATS / 营养学报

ABSTRACT

Objective: The effects of two fat substitutes, sucrose polyester(SPE) and triglyceride of short fatty acids(TRIS)on lipid metabolism in rats were studied. Methods: Diets containing either SPE or TRIS were fed to rats for 30d. Male Wistar rats were allowed free access to one of three diets a control diet containing 20% corn oil, SPE group diet containing 10% SPE and 10% corn oil, TRIS group diet containing 20% TRIS. Plasma glucose, TG, TC, HDL C, LDL C, ApoA I, ApoB were analysed. Results: Dietary fat substitutes lowered total energy consumption and body weight 8.1%?4.1%and 12.3% ?16.0% respectively. Two fat substitutes lowered plasma glucose, TG, TC, LDL C, VLDL C, ApoB level and increased HDL C and ApoA I level. TRIS could decrease TC/HDL C, LDL C/HDL C, ApoB/ApoA I more significantly than SPE. Conclusion: TRIS and SPE have the potential benefits on lipid metabolism and energy intake control in rats, TRIS is more efficient than SPE.