Table of Contents
Foods, Volume 7, Issue 5 (May 2018)
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Cover Story (view full-size image) The intake of butyrylated starch can increase colonic butyrate supply and optimize colonic health. [...] Read more. The intake of butyrylated starch can increase colonic butyrate supply and optimize colonic health. We investigated whether an organocatalytic route of esterification with tartaric acid (catalyst) could be used to produce butyrylated starches from different starch sources, and the products were characterized by NMR spectroscopy and in an in vitro fermentation model. Low- and high-amylose potato and maize starches were applied, and organocatalytic butyrylation resulted in products with an increasing degree of substitution (DS) depending on the reaction time, when measured using a chemical method. The NMR analysis, however, showed that the major part of the acylation was induced by tartarate and only a minor part by butyrate. Generally, the chemical method highly overestimated the DS. View the paper here.