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Background: Reports have shown that consumption of acha (Digitaria exilis) is beneficial to both diabetic and hypertensive patients considering its low glycaemic index, if fortified could assist to improve health and in combating hidden hunger. Aims: This work was aimed at establishing the technology of fortifying acha (Digitaria exilis) grains with vitamin A, Iron, copper and zinc by comparing the effectiveness of coating and dusting technologies and analysing the vitamin A, iron, zinc and copper levels of acha grains fortified by both methods. Methodology: Vitamin A was quantified by High Performance Liquid Chromatography (HPLC) method, while iron, zinc and copper were quantified using Atomic Absorption Spectroscopy (AAS) method. Original Research Article Chinedu et al.; EJNFS, 9(3): 210-219, 2019; Article no.EJNFS.2019.032 211 Results: Vitamin A was undetected in unfortified grain, but present at 29,904.18 IU/kg and 29,657.66 IU/kg in coated and dusted grains respectively. The iron content(58 mg/kg) in unfortified grain increased by 22% and 15% for coated and dusted respectively, Copper increased by 25% and 14% and Zinc by 32% and 45% with coating and dusting respectively. Conclusion: This study suggests that coating is a more promising technology for fortifying acha grains with Vitamin A, iron and copper, which will assist in delivering these critical micronutrients in the vulnerable population and also be used as a strategy for dietary improvement.

A Comparative Study on the Effectiveness of Coating and Dusting Technologies on Fortification of Acha (Digitaria exilis) Grains