Micro-Mineral Retention and Anti-Nutritional Compounds Degradation During Bean Cooking Process

Author:

Patrick Ongol Martin1ORCID,Owino Joseph2ORCID,Lung’aho Mercy3ORCID,Dusingizimana Théogéne1ORCID,Vasanthakaalam Hilda1ORCID

Affiliation:

1. School of Food Science and Technology, College of Agriculture, Animal Sciences and Veterinary Medicine, University of Rwanda, Avenue de l’ armee, P.O. Box 3971, Kigali, Rwanda

2. v

3. CIAT Rwanda, Concord Building, L’ Umuganda Street, P.O Box 6801, Kigali, Rwanda.

Abstract

The objective of this study was to determine the effect of soaking, boiling and frying on retention of micro-minerals as well as degradation of polyphenols and phytic acids. Soaking of the beans did not significantly (p > 0.05) decrease mineral, total polyphenol and phytic acid content of beans. While boiling of beans significantly (p < 0.05) decreased the concentration of total polyphenols and phytic acid but not the mineral content of the beans. Frying of boiled beans decreased the total polyphenol content but increased the concentration of phytic acids in beans. Data obtained in this study indicates that cooking of beans without discarding of soaking water and broth results into greater retention of minerals but frying may be detrimental to mineral bioavailability because it leads to increase in phytic acid content.

Publisher

Enviro Research Publishers

Subject

Medicine (miscellaneous),Food Science

Reference48 articles.

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3. Ugen, M., Musoni, A., Cheminningwa, G., Kimani, P., Mucharo,M., & Katafire, M. Utilization of the common bean for improved health and nutrition in Eastern and Central Africa. ASARECA report. http://www.asareca.org/sites/default/files/BeansutilizationASARECAGA.pdf. 2012.

4. WHO. Micronutrient nutrient deficiencies: Iron deficiency anaemia http://www.who.int/nutrition/topics/ida/en/ (accessed 3rd July, 2014).

5. Beard, B.L., & Borel, M. Thermogenesis and iron deficiency anemia. Nutrition Today. 1988:23:41-45.

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