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Revealing the extended effect of biofortification on seed of cowpea cultivars

2023; Elsevier BV; Volume: 119; Linguagem: Inglês

10.1016/j.jfca.2023.105291

1096-0481

Ronaldo Cunha Coelho, Darlisson Slag Neri Silva, Hudson de Carvalho Silva, M. de M. Rocha, Roberto Carlos Fernandes Barsotti, Heloísa França Maltez, Clécio Dantas, Cícero Alves Lopes Júnior, Herbert de Sousa Barbosa,

Moringa oleifera research and applications

The present research reveals the extended effect of iron and zinc biofortification in recently introduced cowpea cultivars, considering several nutritional factors. Results showed that the manganese concentration in biofortified cultivars was higher than in common beans, and bioaccessibility was ca. 51.6% higher. Also, the magnesium content was higher, reaching > 50% bioaccessibility and > 21% dialyzability. The availability of minerals in cooked biofortified cultivars significantly increased, and the evaluated cowpea cultivars presented high lipid contents and energy values. Moreover, we found unknown synergistic correlations between copper and magnesium, and between manganese and the lipid content. This antagonistic correlation of copper and manganese with zinc may explain their limited contents in the biofortified cowpea beans. PCA analysis discriminated cowpea and common bean cultivars and indicated the prevalence of the effects of biofortification. Overall, the new biofortified cowpea cultivars presented a nutritional quality compatible with the demands of the human diet.