THE ALLEVIATION OF VITAMIN A DEFICIENCY THROUGH STAPLE FOOD FORTIFICATION IN GHANA

Shu Wang, W. Florkowski, M. Chinnan, A. Resurreccion, D. Sarpong
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引用次数: 1

Abstract

This study focuses on the intake of vitamin A from staple foods that are or could be fortified using a survey conducted in three major cities in Ghana. The study distinguishes among consumption frequencies, i.e., daily, weekly, and monthly, of five staples (wheat and maize flour, groundnut oil, palm oil, and vegetable oil). A multivariate probit technique estimates three sets of five equations accounting for the consumption of five staples in three time periods (daily, weekly monthly). The correlations across equations were tested indicating the suitability of the selected estimation approach. The results suggest that per capita income, geographic location, employment status, education, and market access are important in determining consumption frequency. The results also reveal that the existing source of vitamin A from the food fortification program is insufficient for Ghanaian women to reach the WHO daily standard. Fortifying maize flour (in addition to already fortified vegetable oils and wheat flour), a staple, will largely alleviate the inadequate vitamin A intake among urban households.
加纳通过主食强化来缓解维生素a缺乏症
本研究的重点是通过在加纳三个主要城市进行的一项调查,从主食中摄入维生素A,这些主食是或可以强化的。该研究区分了五种主食(小麦和玉米粉、花生油、棕榈油和植物油)的消费频率,即每日、每周和每月。一种多变量概率技术估计了在三个时间段(每天、每周、每月)内五种主食的消耗量,共三组,共五个方程。测试了方程之间的相关性,表明所选估计方法的适用性。结果表明,人均收入、地理位置、就业状况、教育程度和市场准入是决定消费频率的重要因素。研究结果还表明,食品强化计划中现有的维生素A来源不足以使加纳妇女达到世界卫生组织的每日标准。加强主食玉米粉(除了已经强化的植物油和小麦粉之外)将在很大程度上缓解城市家庭维生素a摄入量不足的问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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