Rice Biofortification: High Iron, Zinc, and Vitamin-A to Fight against “Hidden Hunger”

Majumder, Shuvobrata ; Datta, Karabi ; Datta, Swapan Kumar (2019) Rice Biofortification: High Iron, Zinc, and Vitamin-A to Fight against “Hidden Hunger” Agronomy, 9 (12). p. 803. ISSN 2073-4395

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Official URL: http://doi.org/10.3390/agronomy9120803

Related URL: http://dx.doi.org/10.3390/agronomy9120803


One out of three humans suffer from micronutrient deficiencies called “hidden hunger”. Underprivileged people, including preschool children and women, suffer most from deficiency diseases and other health-related issues. Rice (Oryza sativa), a staple food, is their source of nutrients, contributing up to 70% of daily calories for more than half of the world’s population. Solving “hidden hunger” through rice biofortification would be a sustainable approach for those people who mainly consume rice and have limited access to diversified food. White milled rice grains lose essential nutrients through polishing. Therefore, seed-specific higher accumulation of essential nutrients is a necessity. Through the method of biofortification (via genetic engineering/molecular breeding), significant increases in iron and zinc with other essential minerals and provitamin-A (β-carotene) was achieved in rice grain. Many indica and japonica rice cultivars have been biofortified worldwide, being popularly known as ‘high iron rice’, ‘low phytate rice’, ‘high zinc rice’, and ‘high carotenoid rice’ (golden rice) varieties. Market availability of such varieties could reduce “hidden hunger”, and a large population of the world could be cured from iron deficiency anemia (IDA), zinc deficiency, and vitamin-A deficiency (VAD). In this review, different approaches of rice biofortification with their outcomes have been elaborated and discussed. Future strategies of nutrition improvement using genome editing (CRISPR/Cas9) and the need of policy support have been highlighted.

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Source:Copyright of this article belongs to Molecular Diversity Preservation International [MDPI].
ID Code:123666
Deposited On:11 Oct 2021 07:06
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