Influence of β-carotene-rich vegetables on the bioaccessibility of zinc and iron from food grains

Smita, Gautam and Kalpana, Platel and Krishnapura, Srinivasan (2010) Influence of β-carotene-rich vegetables on the bioaccessibility of zinc and iron from food grains. Food Chemistry, 122 (3). pp. 668-672.

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Abstract

Widespread deficiencies of iron and zinc, commonly found in populations dependent on plant foods, necessitate food-based strategies to maximise their bioavailability from plant foods. In this study, β-carotene-rich vegetables were evaluated for their effects on the bioaccessibility of iron and zinc from cereals and pulses by employing a simulated gastrointestinal digestion procedure involving equilibrium dialysis. Addition of carrot or amaranth (2.5 g and 5 g per 10 g of grain) significantly enhanced the bioaccessibility of iron and zinc from the food grains, the percent increase being 13.8–86.2 in the case of carrot and 11–193% in the case of amaranth. Pure β-carotene added at an equivalent level also enhanced the bioaccessibility of iron (19.6–102% increase) and zinc (16.5–118.0% increase) from the cereals examined. This is the first report on the beneficial influence of β-carotene on iron and zinc bioaccessibilities.

Item Type:	Article
Uncontrolled Keywords:	Bioaccessibility; Iron; Zinc; β-carotene-rich vegetables; Curcumin; Food grain
Subjects:	600 Technology > 08 Food technology > 23 Vegetables 600 Technology > 08 Food technology > 21 Cereals 600 Technology > 08 Food technology > 16 Nutritive value
Divisions:	Dept. of Biochemistry
Depositing User:	Food Sci. & Technol. Information Services
Date Deposited:	26 Sep 2010 10:57
Last Modified:	28 Dec 2011 10:18
URI:	http://ir.cftri.res.in/id/eprint/9712

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