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Finger millet (Eleucine coracana) flour as a vehicle for fortification with zinc.

Bhumika, Tripathi and Kalpana, Platel (2010) Finger millet (Eleucine coracana) flour as a vehicle for fortification with zinc. Journal of Trace Elements in Medicine and Biology, 24 (1). pp. 46-51.

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Millets, being less expensive compared to cereals and the staple for the poorer sections of population, could be the choice for fortification with micronutrients such as zinc. In view of this, finger millet, widely grown and commonly consumed in southern India, was explored as a vehicle for fortification with zinc in this investigation. Finger millet flour fortified with either zinc oxide or zinc stearate so as to provide 50 mg zinc per kg flour, was specifically examined for the bioaccessibility of the fortified mineral, as measured by in vitro simulated gastrointestinal digestion procedure and storage stability. Addition of the zinc salts increased the bioaccessible zinc content by 1.5–3 times that of the unfortified flour. Inclusion of EDTA along with the fortified salt significantly enhanced the bioaccessibility of zinc from the fortified flours, the increase being three-fold. Inclusion of citric acid along with the zinc salt and EDTA during fortification did not have any additional beneficial effect on zinc bioaccessiblity. Moisture and free fatty acid contents of the stored fortified flours indicated the keeping quality of the same, up to 60 days. Both zinc oxide and zinc stearate were equally effective as fortificants, when used in combination with EDTA as a co-fortificant. The preparation of either roti or dumpling from the fortified flours stored up to 60 days did not result in any significant compromise in the bioaccessible zinc content. Thus, the present study has revealed that finger millet flour can effectively be used as a vehicle for zinc fortification to derive additional amounts of bioaccessible zinc, with reasonably good storage stability, to combat zinc deficiency.

Item Type: Article
Uncontrolled Keywords: Finger millet; Zinc fortification; Bioaccessibility; EDTA
Subjects: 600 Technology > 08 Food technology > 16 Nutritive value
600 Technology > 08 Food technology > 21 Cereals > 05 Ragi (Finger Millet)
Divisions: Dept. of Biochemistry
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 03 Aug 2011 11:00
Last Modified: 03 Aug 2011 11:00
URI: http://ir.cftri.com/id/eprint/10385

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