Abstract Title:

Sweetpotato-based complementary food would be less inhibitory on mineral absorption than a maize-based infant food assessed by compositional analysis.

Abstract Source:

Int J Food Sci Nutr. 2012 May 18. Epub 2012 May 18. PMID: 22594854

Abstract Author(s):

Francis Kweku Amagloh, Louise Brough, Janet L Weber, Anthony N Mutukumira, Allan Hardacre, Jane Coad

Article Affiliation:

University for Development Studies, Department of Applied Chemistry and Biochemistry , Navrongo , Ghana.

Abstract:

The availability of micronutrients from sweetpotato-based complementary foods (CFs): oven-toasted and roller-dried ComFa, and from a maize-based infant food, enriched Weanimix, was compared using phytate/mineral molar ratios, polyphenols andβ-carotene levels. The phytate/calcium, iron and zinc molar ratios of approximately 0.17, 1 and 15 predict better absorption of calcium, iron and zinc respectively. Generally, the sweetpotato-based CFs had at least half the phytate/mineral ratios of enriched Weanimix. The phytate/iron ratio in boththe sweetpotato- and the maize-based CFs was greater than 1. Only the ComFa formulations had phytate/zinc ratio lower than 15. The level of polyphenol (iron inhibitor) was similar for the formulations. Only the sweetpotato-based CFs contained measurable levels of β-carotene, a possible iron enhancer. The lower phytate/mineral ratios and the β-carotene level of the sweetpotato-based CFs suggest that calcium, iron and zinc absorption could be better from them than from the maize-based infant food.

Study Type : Review

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