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Extrusion cooking of a high-fibre cereal product

2. Effects on apparent absorption of zinc, iron, calcium, magnesium and phosphorus in humans

Published online by Cambridge University Press:  09 March 2007

Barbro Kivistö ,
Henrik Andersson ,
Gitten Cederblad ,
Ann-Sofie Sandberg  and
Brittmarie Sandström
Barbro Kivistö
Affiliation:
Department of Clinical Nutrition, Gothenburg University, Annedalsklinikerna, S-413 45 Gothenburg, Sweden
Henrik Andersson
Affiliation:
Department of Clinical Nutrition, Gothenburg University, Annedalsklinikerna, S-413 45 Gothenburg, Sweden
Gitten Cederblad
Affiliation:
Department of Clinical Nutrition, Gothenburg University, Annedalsklinikerna, S-413 45 Gothenburg, Sweden
Ann-Sofie Sandberg
Affiliation:
Department of Clinical Nutrition, Gothenburg University, Annedalsklinikerna, S-413 45 Gothenburg, Sweden
Brittmarie Sandström
Affiliation:
Department of Clinical Nutrition, Gothenburg University, Annedalsklinikerna, S-413 45 Gothenburg, Sweden
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Abstract

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1. The effect of extrusion cooking, using mild conditions, of a high-fibre cereal product on apparent small bowel absorption of zinc, iron, calcium, magnesium and phosphorus was studied.

2. Seven ileostomy subjects were studied during two periods (each of 4d), on a constant low-fibre diet supplemented with either 54 g/d of a bran-gluten-starch mixture or the corresponding extruded product.

3. The apparent absorption of Zn, Mg and P was significantly decreased (P < 0.05) during the period with extruded product compared with the period with bran-gluten-starch. No difference was found for Fe and Ca.

4. The negative effect of extrusion cooking of a product containing phytic acid on availability of Zn, Mg and P was small but could be of nutritional relevance in foodstuffs that are consumed frequently and in infant formulas.

Type
Papers of direct relevance to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 55 , Issue 2 , March 1986 , pp. 255 - 260
Copyright
Copyright © The Nutrition Society 1986

References

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