Wheat bran and corn oil do not influence proliferation in the colon of healthy rats when energy intakes are equivalent

Article Abstract:

The effect of dietary fiber and fats on the proliferation of cells in the colonic epithelium was investigated in rats with equal energy and nutrient but different fiber and fat intakes. Autoradiographic measurements were taken from the different regions of the colon to assess cellular proliferation. Results showed that the amount of fiber and fat in the diet did not significantly alter epithelial cell proliferation in rats. No interaction effects were observed between the two nutrients as well. This indicates that lower fiber intake and higher fat intake do not necessarily increase the likelihood of colon cancer.

Causes of, Colorectal cancer, Dietary fat, Cell proliferation, Epithelium, Colon (Anatomy), Colon

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Cholesterol-lowering effects and utilization of protein, lipid, fiber and energy in rats fed unprocessed and baked oat bran

Article Abstract:

The role of two different preparations of oat bran on rat metabolism and cholesterol levels were studied. The results showed that feeding oat bran increased fecal bulk, did not affect digestion of organic matter and contributed to hypocholesterolemia. Fiber in the diet also caused slower gastrointestinal transit time and greater dry mass in the feces. There was an inverse relationship between protein utilization and fiber ingestion although lipid digestibility remained constant. Baking of oat bran enhanced dry matter digestibility and hence increased the available metabolizable energy.

Research, Energy metabolism, Digestion, Oat bran

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Cholesterol-lowering in hamsters fed rice bran at various levels, defatted rice bran and rice bran oil

Article Abstract:

The cholesterol level-modifying effect of rice bran is investigated by feeding hamsters different levels of rice bran and combinations of defatted bran and bran oil. Results indicate that only the full-fat rice bran has beneficial effect on serum and hepatic cholesterol levels. Recombination of defatted bran and bran oil in the diet does not appear to be as beneficial as the full-fat rice bran.

Cholesterol metabolism, Rice bran

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