Small intestinal digestibility of processed corn starches in healthy human subjects

Article Abstract:

A study was done to determine the small intestinal digestibility of processed corn starches in healthy humans using an intubation technique to quantify starch malabsorption of corn starches. Results show that complexed starch has better digestibility in the ileum compared to partially retrograded starch. Furthermore, significant differences were seen in the amount of undigested starch measured in normal human subjects compared to resistant starch measured in vitro. In addition, complete fermentability of starch was seen in the colon of most test subjects.

Cornstarch

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Structural features of resistant starch at the end of the human small intestine

Article Abstract:

The structural features of the starch fraction that escaped digestion in the small intestine were studied in six human volunteers. Two of the samples were collected by ileostomy after intake of bean flakes or potato flakes while intubation technique was used to collect samples after ingestion of high-amylose maize starch or complex high-amylose maize starch. Analyses showed that certain potentially digestible starch could reach the colon while crystalline fractions were only part of the starch that escaped digestion in the human small intestine.

Health aspects, Starch, Intestine, Small, Small intestine

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Relationships between transit time in man and in vitro fermentation of dietary fiber by fecal bacteria

Article Abstract:

Drug-induced changes in mean transit time and the effect on activity of human fecal flora in vitro, were examined.

Research, Diet therapy, Fiber in human nutrition, Dietary fiber

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