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. 2019 Feb 12;8(2):68. doi: 10.3390/foods8020068

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Radiological analysis of gastrointestinal motor function in rats—a semiquantitative analysis. A dose of barium sulfate (3 mL, 2 g/mL) was intragastrically administered at time 0, and X-rays were taken immediately and 1, 2, 4, 6, and 8 h, after administration. Motility curves for the stomach (a), small intestine (b), caecum (c), and colorectum (d) were obtained from the control rats (n = 8) and rats treated with MEL (4 g/L) (n = 6). Data represent the mean ± SEM. * p < 0.05, *** p < 0.001 (Two-way ANOVA followed by Bonferroni post-hoc test). Representative X-rays (e) obtained from a control and a MEL-treated rat at 0, 2, 4, and 8 h, after administration of barium sulfate. S—stomach; SI—small intestine; C—caecum; FP—fecal pellets (within the colorectum).