Effects of Feeding the Mixture of Linseed and Sunflower Seed Oil on the Fatty Acid Composition of Serum Lipoprotein in Dietary Hyperlipidemic Rats

아마인유와 해바라기 종자유의 혼합급이가 식이성 고지혈증 흰쥐 혈청 지단백의 지방산조정에 미치는 영향

  • 최운정 (서강전문대학 식품영양학과) ;
  • 김한수 (경상대학교 식품영양학과) ;
  • 정효숙 (경남대학교 가정교육과) ;
  • 김군자 (밀양산업대학교 식품과학과) ;
  • 서인숙 (경상대학교 식품영양학과) ;
  • 정승용 (경상대학교 식품영양학과)
  • Published : 1994.02.01

Abstract

This study was carried out to investigate the effect of the feeding mixture of linseed oil, rich in n-3 PUFA and the sunflower seed oil, rich in n-6 PUFA on the lipid metabolism in the dietary hyperlipidemic rats. After male Sprague-Dawley rats were induced hyperlipidemia by feeding the diet containing lard, butter and cholesterol for 3 weeks, then they were fed with the diet containing lard 3 .0% and butter 12.0% for control, the mixture in different proportion of both linseed oil and sunflower seed oil and antihyperlipidemic drugs for 2 weeks. Analysis of the fatty acid composition of the serum lipoprotein fractions showed following results. In the fatty acid composition of serum lipoprotein , the proportion of C18:2 was dominant in all fractions, C20:5 in LDL and HDL fraction and C22:6 in chylomicron fraction. The ratio of n-3P/n-6P tended to increase gradually as it of the test lipid increased in groups 5 to 9 group and was affected by the fatty acid composition of the test lipids.

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