Cholesterol-Lowering Effects of Psyllium Seed Associated with Urea Metabolism

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Twenty-eight mild hypercholesterolemic male and female adults were orally administered psyllium seed for 3 months. After psyllium treatment, the serum total sholesterol, low-density-lipoprotein-cholesterol and atherogenic index signigicantly decreased, but levels of high-density-lipoprotein-cholesterol, triglyceride and urea nitrogen did not. To determine the parameters associated with the cholesterol-lowering effect in the subjects' backgrounds, both biochemical and hematological parameters, we statistically examined the correlation between pretreatment parameters and the absolute change of total cholesterol level. The absolute change of total cholesterol level showed a direct correlation with the triglyceride level at pretreatment (r=0.41,P=0.03) and had an inverse correlation with urea nitrogen level (r=-0.46,P=0.01) but not with the total cholesterol level (r=-0.18). The change in urea nitrogen level had an inverse correlation with the urea nitrogen level itself at pretreatment (r=-0.82,P=7×10^<-8>) and had a direct correlation with the triglyceride level (r=0.43,P=0.02). The change in triglyceride level had an inverse correlation with the urea nitrogen level (r=-0.48,P=0.008). Furthermore, the change in total cholesterol level had direct correlations with changes in the triglyceride level (r=0.56,P=0.002) and the urea nitrogen level (r=0.51,P=0.006), but these changes in triglyceride and urea nitrogen level did not correlate significantly. These findings suggest the close association of urea nitrogen and lipid metabolism in hyperlipidemia and psyllium seed treatment.
公益社団法人日本薬学会の論文
1998-02-15

Cholesterol-Lowering Effects of Psyllium Seed Associated with Urea Metabolism

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