Abstract
Sprague-Dawley rats were fed for a total period of 8 weeks on six diets that were different in the source of their fat content. The fat content was provided either, palm oil or palm olein or corn oil or hydrogenated fat, or frying palm oil and mixture of corn oil + hydrogenated fat in the ratio (1:1). The latter was given to the control group. Animals fed these various experimental diets showed statistically significant differences in serum cholesterol and serum triglycerides content among all group. Increased HDL-cholesterol content was evident in animals fed on palm-olein and palm oil. The frying oil fed group showed lowest HDL-cholesterol content. In these experiments palm olein fed animals showed highest ratio of HDL-cholesterol to total cholesterol while the lowest ratio was shown in rats fed on frying oil. Prothrombin (PT) and activated partial thromboplastin time (PTT) showed higher values In palm oil, palm olein and corn oil diets as compared to all groups with each other.
Highlights
The consumption of palm oil has increased significantly in Egypt during the last few years as compared with other edible oils
It is well established that diets high in saturated fatty acids represent a major factor in the induction of plasma hyperlipidemia and exerts its effects in the process of atherogenesis and coronary heart diseases (3), (4)
The results shown in tables II, III and IV revealed that there are significant differences between the all groups as regards serum total lipids decreased in groups fed corn oil and frying oil
Summary
The consumption of palm oil has increased significantly in Egypt during the last few years as compared with other edible oils. It has been used for several purposes such as cooking, frying and in several food industries. The use of palm oil in food products has recently been called into questions about its effect on health aspects. Palm oil has a very low ratio of polyunsaturated to saturated fatty acids (2). It is well established that diets high in saturated fatty acids represent a major factor in the induction of plasma hyperlipidemia and exerts its effects in the process of atherogenesis and coronary heart diseases (3), (4)
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