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不同植物蛋白质对生长期大鼠脂代谢的影响 被引量:2

Effects of different plant proteins on the lipids metabolism of the growing rats
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摘要 目的:以酪蛋白为对照,观察大豆蛋白、花生蛋白、麦绿素(叶蛋白)三种植物蛋白质对生长期大鼠脂代谢的影响。方法:36只雄性SD大鼠随机分为4组,分别饲喂含20%酪蛋白、20%大豆蛋白、20%花生蛋白和14%酪蛋白加6%麦绿素的人工半合成饲料,5周后测定其肝脏和血清的总胆固醇(TC)、甘油三酯(TG)、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)的浓度。结果:四组大鼠血清TC水平无显著差异(P>0.05),除花生蛋白组TG水平显著低于对照组外,其它各组TG水平无显著差异;大豆蛋白组血清HDL-C和LDL-C水平与对照组相当,而花生蛋白组和麦绿素添加组血清HDL-C均显著高于对照组和大豆蛋白组(P<0.01),而其LDL-C水平显著低于对照组;与对照组相比,花生蛋白组和大豆蛋白组肝脏TG水平显著降低(P分别为<0.05和<0.01),麦绿素添加组TC水平显著升高(P<0.01);花生蛋白组的肝脏LDL-C水平显著降低(P<0.05)。结论:大豆蛋白和花生蛋白均能降低实验大鼠肝脏TG水平,花生蛋白还能显著降低大鼠血清TG、LDL-C及肝脏LDL-C水平,提高血清HDL-C水平。 Objective: To study the effects of different plant proteins on the lipids metabolism of the growing rats. Methods :36 male Sprague Dawley rats were divided to four groups, they were fed semi-synthetic diet contained 20% casein (group 1 ), 20% soybean protein ( group 2), 20% peanut protein ( group 3 ) and 6% green leave protein add 14% casein (group 4) individually. After 5 weeks, the rats serum and liver cholesterol (TC), triglyceride (TG), high density liporotein (HDL-C) and low density liporotein (LDL-C) were determined. Results:The serum TC levels of the rats in four groups were no difference (P 〉 0.05 ), but serum TG levels of group 3 was significantly lower than of the group 1. Serum HDL-C and LDL-C levels of the rats in group 2 were near to the rats in group 1, and serum HDL-C levels of the rats in group 3 and group 4 were significantly higher than in group 1 and group 2, but serum LDL-C levels were significantly lower than group 1 (P 〈 0.01 ). Compared with the rats of group 1, liver TG levels of group 3 and group 2 were significantly lower, liver TC levels of the rats in group 4 were significantly higher (P 〈 0.01 ). Liver LDL-C levels in group 3 were significantly lower than in group 1. Conclusion:Peanut protein and soybean protein can decreased the TG levels in liver of rats, and peanut protein can significantly lowered down the TG and LDL-C levels in serum, LDL-C levels in liver, it also can improved the HDL-C levels in serum.
出处 《军医进修学院学报》 CAS 北大核心 2005年第5期364-366,共3页 Academic Journal of Pla Postgraduate Medical School
关键词 植物蛋白质类 大鼠 胆固醇 plant proteins rats cholesterol
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