Journal
NUTRIENTS
Volume 15, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/nu15132923
Keywords
chitosan-oligosaccharide; plasma cholesterol; gut microflora; bile acids; short-chain fatty acids
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This study evaluated the cholesterol-lowering effect of chitosan-oligosaccharide (COS) in hypercholesterolemic hamsters. COS intervention significantly reduced plasma total cholesterol and high-density lipoprotein-cholesterol levels, as well as decreased non-HDL cholesterol and total triacylglycerols levels. Furthermore, COS had beneficial effects on bile acids and gut microflora related to cholesterol metabolism.
This study evaluated the cholesterol-alleviating effect and underlying mechanisms of chitosan-oligosaccharide (COS) in hypercholesterolemic hamsters. Male hamsters (n = 24) were divided into three groups in a random fashion, and each group was fed one particular diet, namely a non-cholesterol diet (NCD), a high-cholesterol diet (HCD), and an HCD diet substituting 5% of the COS diet for six weeks. Subsequently, alterations in fecal bile acids (BAs), short-chain fatty acids (SCFAs), and gut microflora (GM) were investigated. COS intervention significantly reduced and increased the plasma total cholesterol (TC) and high-density lipoprotein-cholesterol (HDL-C) levels in hypercholesteremic hamsters. Furthermore, Non-HDL-C and total triacylglycerols (TG) levels were also reduced by COS supplementation. Additionally, COS could reduce and increase food intake and fecal SCFAs (acetate), respectively. Moreover, COS had beneficial effects on levels of BAs and GM related to cholesterol metabolism. This study provides novel evidence for the cholesterol-lowering activity of COS.
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