Sufficient intake of high amylose cornstarch maintains high colonic hydrogen production for 24 h in rats

Hiroki Tanabe, Naomichi Nishimura, Tatsuro Yamamoto

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DOI: 10.1080/09168451.2016.1234929 DOI is the universal ID for this study.

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Colonic hydrogen (H2) can suppress oxidative stress and damage in the body. We examined the minimum requirement of high amylose cornstarch (HAS) to maintain high colonic H2 production for 24 h. Ileorectostomized and sham-operated rats were fed a control diet supplemented with or without 20% HAS for 7 days. Colonic starch utilization was determined. Next, rats were fed the control diet with or without 10% or 20% HAS for 14 or 28 days, respectively. Breath and flatus H2 excretion for 24 h was measured. 1.04 g of resistant fraction in HAS was utilized for 24 h by colonic bacteria. High H2 excretion was not maintained for 24 h in rats fed the 10% HAS diet, from which only 0.89 g of resistant starch was estimated to be delivered. High colonic H2 production for 24 h would be maintained by delivering more HAS to the large intestine than is utilized. © 2016 Japan Society for Bioscience, Biotechnology, and Agrochemistry.

Publish Year 2017
Country Japan
Rank Positive
Journal Bioscience, Biotechnology and Biochemistry
Primary Topic Intestine
Secondary TopicHydrogen Biology
Model Rat
Tertiary TopicGut Microbiome
Vehicle Gas
pH N/A
Application In Vivo Biotic Production
Complement Starch