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식이성 인지질이 흰쥐의 혈청 및 장기조직의 지질성분에 미치는 영향
정규철,이인실,김송전 한국식품영양학회 1989 韓國食品營養學會誌 Vol.2 No.2
For the study of the effect of dietary phospholipid(PL) on the lipid components of serum and organ tissues in Sprague-Dawley rats, 56 Male-rats were divided into 8 groups, which was composed of 7. One group was fed with basal diet(normal group). And other experimental groups were fed ad libitum with the mixture of carbohydrate : casein: salt mixture : vitamin mixture(60 : 18 : 4 : 1) and at the same time fed administratively with 1 gram of phospholipid -free soybean oil, corn oil and sesame oil, and phospholipid-containing soybean oil, corn oil and sesame oil respectively. After 60 days the rats were fasted for 12 hours and then decapitated to collect blood and separate organ tissues. The lipid and protein components of serum and organ tissues were analized. The results of this study are summarized as follows. The supplementation of dietary phospholipid decreases the food efficiency ratio and the growth rate of experimental rats ; it increases the level of serum phospholipid and cholesterol ester, but decreases the value of total-cholesterol (T-chol.)/PL ; it decreases the value of albumin/globulin (A/G ratio)of serum protein and it increases the level of phosphatidyl ethanolamine(PE) in serum and organ tissues. And the correlation coefficients among the contents of T-chol., of HDL-chol. and of phospholipid in serum and liver are negative in general. Therefore I think that we must eat dietary phospholipid unpurified from vegetable oil to prevent development of atherosclerosis and fat liver.