Studies on lipids metabolism in rats; 2 serum lipids of rats fed on different carbohydrate sources

ABSTRACT

Male and female Sprague-Dawley rats were fed 5 diets containing different types of carbohydrates. Another 3 groups were fed balanced diets having purified cellulose, pectin and wheat bran. The rats were given the tested diets for 8 weeks and their growth and blood lipids were examined after 8 weeks. The results indicated no differences on body weight gain, food intake and food efficiency for the rats fed on different carbohydrate diets, except the potato starch diet which showed decreasing levels for both body weight gain or good efficiency. However, addition of fiber resulted decreasing levels for body weight gain or food efficiency. Total lipids, total cholesterol, high density lipoprotein cholesterol [HDL], triglycerides and phospholipids showed significant increase for all groups tested the carbohydrate diets except the potato starch diet which showed decreased values for such parameters investigated. All the carbohydrate diets recorded high significant effect or lowering HDL-cholesterol. Addition of fibers to the casein diets recorded a noticeable reduction for all the parameters, while HDL-cholesterol showed a significant increasing levels