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Calcium bioavailability of selected Egyptian foods with emphasis on the impact of fermentation and germination


Calcium bioavailability of selected Egyptian foods with emphasis on the impact of fermentation and germination



International Journal of Food Sciences and Nutrition 50(5): 351-356



ISSN/ISBN: 0963-7486

PMID: 10719566

DOI: 10.1080/096374899101085

The bioavailability of calcium (Ca) was assessed in 11 foodstuffs of plant or animal origin using rat feeding experiments and the criteria used for assessing the bioavailability were femur Ca and calcium efficiency. The bioavailability of Ca was found to be highest in fishes (Melouha) and cheeses (Mesh) fermented under local processing techniques. Germination of faba beans also enhanced the bioavailability of calcium to a mean value quite comparable to those of some dairy products, such as cottage cheese. The present study clearly demonstrates that the processes of fermentation and germination of selected foods are associated with an enhancement in the bioavailability of calcium. It is suggested that the breakdown of complex proteins under the fermentation or germination process is the underlying mechanism of action.

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Accession: 045423507

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