Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets

J. Wenderlein, E. Kienzle, R.K. Straubinger, H. Schöl, S. Ulrich, L.F. Böswald, Animals 12 (2022).

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Zeitschriftenaufsatz (wiss.) | Veröffentlicht | Englisch
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Abstract
Diet processing impacts on starch properties, such as the degree of starch gelatinization. This affects digestibility, as shown in laboratory mice fed either a pelleted or an extruded diet. In the present study, the morphology of starch particles throughout the digestive tract of mice was visualized. Thirty-two female C57BL/6J mice were used for a feeding trial. They were fed a commercial maintenance diet for laboratory mice, which was available in pelleted and extruded form, for seven weeks. The mice were sacrificed after the feeding period, and chyme samples were collected from five sites (stomach, anterior and posterior small intestine, caecum, colon). Samples of diets, chyme and faeces were analyzed via stereomicroscopy (stained with Lugol’s iodine) and scanning electron microscopy (SEM). The starch granules appeared more compact in the pelleted diet, showing first signs of degradation only in the small intestine. The caecum content of both diets group was intensively stained, particles as well as fluid phase, indicating that it contained mainly starch. The SEM pictures of caecum content showed abundant bacteria near starch particles. This suggests selective retention of prae-caecally undigested starch in the murine caecum, likely the site of microbial fermentation.
Erscheinungsjahr
Zeitschriftentitel
Animals
Band
12
Zeitschriftennummer
8
Artikelnummer
952
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Wenderlein J, Kienzle E, Straubinger RK, Schöl H, Ulrich S, Böswald LF. Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. Animals. 2022;12(8). doi:10.3390/ani12080952
Wenderlein, J., Kienzle, E., Straubinger, R. K., Schöl, H., Ulrich, S., & Böswald, L. F. (2022). Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. Animals, 12(8), Article 952. https://doi.org/10.3390/ani12080952
Wenderlein J et al. (2022) Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. Animals 12.
Wenderlein, Jasmin, Ellen Kienzle, Reinhard K. Straubinger, Heidrun Schöl, Sebastian Ulrich, and Linda Franziska Böswald. “Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets.” Animals 12, no. 8 (2022). https://doi.org/10.3390/ani12080952.
Wenderlein, Jasmin, Ellen Kienzle, Reinhard K. Straubinger, Heidrun Schöl, Sebastian Ulrich und Linda Franziska Böswald. 2022. Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. Animals 12, Nr. 8. doi:10.3390/ani12080952, .
Wenderlein, Jasmin ; Kienzle, Ellen ; Straubinger, Reinhard K. ; Schöl, Heidrun ; Ulrich, Sebastian ; Böswald, Linda Franziska: Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. In: Animals Bd. 12. Basel, MDPI AG (2022), Nr. 8
J. Wenderlein, E. Kienzle, R.K. Straubinger, H. Schöl, S. Ulrich, L.F. Böswald, Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets, Animals. 12 (2022).
J. Wenderlein, E. Kienzle, R. K. Straubinger, H. Schöl, S. Ulrich, and L. F. Böswald, “Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets,” Animals, vol. 12, no. 8, Art. no. 952, 2022, doi: 10.3390/ani12080952.
Wenderlein, Jasmin, et al. “Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets.” Animals, vol. 12, no. 8, 952, 2022, https://doi.org/10.3390/ani12080952.
Wenderlein, Jasmin u. a.: Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets, in: Animals 12 (2022), H. 8.
Wenderlein J, Kienzle E, Straubinger RK, Schöl H, Ulrich S, Böswald LF. Morphology of Starch Particles along the Passage through the Gastrointestinal Tract in Laboratory Mice Fed Extruded and Pelleted Diets. Animals. 2022;12(8).

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