Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Effect of the Viscosity or Deacetylation Degree of Chitosan on Fecal Fat Excreted from Rats Fed on a High-fat Diet
Keiji DeuchiOsamu KanauchiYouji ImasatoEiichi Kobayashi
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JOURNAL FREE ACCESS

1995 Volume 59 Issue 5 Pages 781-785

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Abstract

Several chitosan preparations, either with a comparable degree of deacetylation but differing viscosity or with comparable viscosity but a differing degree of deacetylation, were examined for their effect on the fecal fat excreted from rats fed on a high-fat diet. As the viscosity or deacetylation degree of a chitosan preparation increased, the more its effect on the apparent fat digestibility by rats became conspicuous. A supplement of ascorbic acid to each chitosan diets resulted in a significant depression of fat digestion and absorption in the lumen. The chitosan intake caused a higher level of fat to be excreted in the feces of the corn oil-receiving rats than the lard-receiving ones, although the effect was strong with both diet groups.

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