The Effects of Micro Crystalline Chitin and Palm Oil on the Lipid Metabolism in the Rat

미세결정화키틴과 팜유의 수준을 달리한 식이가 흰쥐의 지방대상에 미치는 영향

  • 이종미 (이화여자대학교 식품영양학과)
  • Published : 1997.09.01

Abstract

The effects of MCC and palm oil at different levels on lipid metabolism were assessed in adolescent rat. Dietary fat levels were 20% and 40% (kcal/kcal) and MCC level were 0%, 2%, and 4% (wt/wt). The experimental period took 8 weeks. During the experiment, weight gain and food efficiency ration were not affected by dietary factors. The weight of thymus however, was lower in high fat groups than in middle fat groups. The contents of total lipid and total cholesterol in plasma and HDL-cholesterol in plasma and HDL-cholesterol were significantly affected by dietary factors. The concentrations of cholesterol in LDL and VLDL , and the triglyceride content of VLDL was higher in high fat groups than in middle fat groups. Adding MCC lowered the LDL triglyceride in the high fat groups. The analysis of plasma fatty acids generally reflected the composition of the dietary palm oil. MCC had significant effects on total lipid and triglyceride of feces, but not on total cholesterol . In conclusion, the level of MCC had little hypolipodemic effects on lipid metabolism in rats fed a high fat diet. the middle fat group that contained 4% MCC showed increased contents of fecal triglyceride than the others, indicating that MCC had an effect on lipid absorption. Therefore, the other physiological functions of MCC need to be tested for their useful applications.

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