| Summary: | Food proteins are a source of nutraceutical and bioactive peptides that promote health and prevent diseases. The aim of this study was to evaluate the potential of Hake heads proteins hydrolysates (HHPH) in the prevention of hypercholesterolemia, oxidative stress and obesity in mice fed a high cholesterol diet. After six week of treatment serum lipid profiles (total cholesterol, triglycerides, HDL-cholesterol and LDL-cholesterol), the activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST), the thiobarbituric acid-reactive substances (TBARS) level, the advanced oxidation protein product (AOPP) and the activity of superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and glutathione (GSH) were tested. The high cholesterol diet led to dyslipidemia, oxidative stress and liver structure damage, compared with the control group. It is interesting to note that the addition of HHPH to the HCD attenuated these anomalies in a dose-dependent manner. The overall findings revealed that the hypocholesterolemic effect of HHPH could be due to their capacity to diminish serum total cholesterol (TC), triglycerides (TG), and low-density lipoprotein cholesterol (LDL-C) levels as well as to their antioxidant activities by improving the liver architecture.
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