Incomplete digestion of legume starches in rats: a study of precooked flours containing retrograded and physically inaccessible starch fractions

Article Abstract:

A study was done on precooked flours containing retrograded and physically inaccessible starch fractions to investigate the incomplete digestion of legume starches in rats. Results show a low in vivo true digestibility of starches taken from samples of red kidney beans and lentils fed to antibiotic-treated rats. These findings suggest that a significant amount of the legume starch was passed undigested into the large bowel. The undigested starch fractions become substrates for microbial fermentation which completes the digestion process.

Rats, Legumes

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Starch digestion and absorption in nonruminants

Article Abstract:

Starch digestion and absorption among nonruminants is highly efficient. This involves luminal digestion of complex starch molecules by alpha amylase. Oligosaccharides produced from the enzymatic degradation of starch is further broken down by oligosaccharidases in the brush border of the intestinal epithelium. The liberated monosaccharides are in turn captured by transport proteins along the brush border and transported into the cell.

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Starch digestion: understanding and potential for improvement - introduction

Article Abstract:

Starch digestion is an important factor in improving ruminant production. Maximum starch utilization is therefore important in promoting efficiency in animal production. The proceedings of the symposium, 'Starch Digestion: Understanding and Potential for Improvement' during the 31st Annual Ruminant Nutrition Conference are summarized. Further research on critical factors affecting starch utilization in ruminants is suggested.

Food and nutrition, Ruminants

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