Study On Lipids Absorption Ragulation Of Rice Protein

Rice protein is a vegetable protein with widespread presence, but studies on its function is far less than soy protein, and study on its just confirmed function of lipids is even fewer. In view of this situation, this article is aimed to explore the lipid-lowering function of rice protein and to elucidate its regulation effect of lipids absorption.In this study, the rice proteins extracted by alkali is the research object and were using to prepare provender according to standard AIN-93. In the experiments, young rats and adult rats were experimental subjects in ad libitum feeding mode. Determination of cholesterol, triglycerides and bile acid content of liver, stomach contents, small intestine contents, cecum contents, rectum contents and fece s in experimental subjects to determine the regulation of rice protein on lipids absorption under cholesterol-free and oil-free dietary condition, cholesterol-riched dietary condition and the oil-riched dietary condition.Under the cholesterol-free and oil-free dietary condition, rice protein can significantly reduce hepatic cholesterol level(P < 0.05), significantly promote bile acid level(P < 0.05), significantly inhibit the cholesterol and triglycerides absorption of stomach, small intestine and cecum(P < 0.05) and significantly enhance the cholesterol, triglycerides and bile acids excretion in faeces(P < 0.05) in young rats; rice protein can significantly reduce hepatic cholesterol level(P < 0.05), significantly inhibit the cholesterol and triglycerides absorption of small intestine, cecum and rectum(P < 0.05) and significantly enhance the cholesterol, triglycerides and bile acids excretion in faeces(P < 0.05)in adult rats; the improving effect of rice protein for the reduction of cholesterol and triglycerides level(P < 0.05), the cholesterol, triglycerides and bile acids absorption in stomach and small intestine(P < 0.05), the cholesterol and triglycerides absorption in cecum and rectum(P < 0.05) and the enhance effect of bile acids excretion in faeces(P < 0.05) are more significant in the adult rats than in the young rats.Under the cholesterol-riched dietary condition, rice protein can significantly reduce hepatic cholesterol and triglycerides level(P < 0.05), significantly increase the inhition effect of rice protein for small intestine(P < 0.05), cecum and rectum cholesterol, triglycerides and bile acids absorption(P < 0.05) and significantly enhance the cholesterol, triglycerides and bile acids excretion in faeces(P < 0.05) in young rats; rice protein can significantly reduce hepatic cholesterol and triglycerides level(P < 0.05), significantly increase the inhition effect of rice protein for small intestine, cecum and rectum cholesterol, triglycerides and bile acids absorption(P < 0.05), and significantly enhance the cholesterol, triglycerides and bile acids excretion in faeces(P < 0.05) in adult rats; the improving effect of rice protein for the reduction of cholesterol and triglycerides level(P < 0.05), the triglycerides absorption in stomach and cecum(P < 0.05) and the cholesterol, triglycerides and bile acids in small intestine and cecum(P < 0.05) are more significant in the adult rats than in the young rats.Under the oil-riched dietary condition, rice protein can significantly reduce hepatic cholesterol level(P < 0.05), significantly promote bile acid level(P < 0.05), significantly increase the inhition effect of rice protein for stomach, small intestine, cecum and rectum cholesterol, triglycerides and bile acids absorption(P < 0.05), and significantly enhance the cholesterol, triglycerides and bile acids excretion in faeces(P < 0.05) in young rats; rice protein can effectively reduce hepatic cholesterol level(P>0.05), significantly improving the inhibion effect for stomach cholesterol, triglycerides and bile acids absorption(P < 0.05), small intestine cholesterol and triglycerides absorption(P < 0.05), cecum triglycerides absorption(P < 0.05) and rectum triglycerides and bile acids absorption(P < 0.05), and significantly enhance the cholesterol and triglycerides excretion in faeces(P < 0.05) in adult rats; the improving effect of rice protein for the reduction of cholesterol level, stomach bile acids absorption(P < 0.05), small intestine cholesterol absorption(P < 0.05), cecum cholesterol and triglycerides absorption, and rectum triglycerides absorption(P < 0.05) are more significant in the adult rats than in the young rats.