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Denova-Gutiérrez, Edgar; García-Guerra, Armando; Flores-Aldana, Mario; Rodríguez-Ramírez, Sonia; Hotz, Christine

Simulation Model of the Impact of Biofortification on the Absorption of Adequate Amounts of Zinc and Iron among Mexican Women and Preschool Children

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  • Medientyp: E-Artikel
  • Titel: Simulation Model of the Impact of Biofortification on the Absorption of Adequate Amounts of Zinc and Iron among Mexican Women and Preschool Children
  • Beteiligte: Denova-Gutiérrez, Edgar; García-Guerra, Armando; Flores-Aldana, Mario; Rodríguez-Ramírez, Sonia; Hotz, Christine
  • Erschienen: SAGE Publications, 2008
  • Erschienen in: Food and Nutrition Bulletin
  • Sprache: Englisch
  • DOI: 10.1177/156482650802900306
  • ISSN: 0379-5721; 1564-8265
  • Schlagwörter: Nutrition and Dietetics ; Geography, Planning and Development ; Food Science
  • Entstehung:
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  • Beschreibung: <jats:sec><jats:title>Background</jats:title><jats:p>Biofortification is an agricultural process that attempts to increase the iron and zinc content of staple food crops. Improving the absorption of zinc and iron could contribute to reducing the high rates of deficiency of these micronutrients in developing-country settings.</jats:p></jats:sec><jats:sec><jats:title>Objective</jats:title><jats:p>To simulate the effects of biofortification of staple food crops (maize, wheat, rice, and beans) on the absorption of zinc and iron among women and children in Mexico.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>We analyzed dietary data from the 1999 Mexican National Nutrition Survey. On the basis of the intake of the four staple food crops and the increase in zinc and iron content that could be achieved by conventional breeding in the short term, the prevalence of inadequacy in the amounts of absorbed zinc and iron was determined. The mean increase in the amounts of absorbed zinc and iron was compared according to rural and urban residence and according to region of the country.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>In rural areas, simulated biofortification of maize resulted in a reduction in the prevalence of absorption of inadequate amounts of zinc of 47% in children and 56% in women but had no effect on the prevalence of absorption of inadequate amounts of iron. The increase in zinc absorption was greater in rural populations and in the Central and Southern regions ( p &lt; .05).</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>Biofortification of maize could significantly improve zinc absorption among children and women in Mexico living in areas most vulnerable to zinc deficiency. Studies of the biological impact of biofortified maize on zinc status are warranted.</jats:p></jats:sec>
  • Zugangsstatus: Freier Zugang