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Nutrients
Volume 7
Issue 11
10.3390/nu7115488
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Article

Rice and Bean Targets for Biofortification Combined with High Carotenoid Content Crops Regulate Transcriptional Mechanisms Increasing Iron Bioavailability

by
Desirrê Morais Dias
1,*,
Maria Eliza De Castro Moreira
1,
Mariana Juste Contin Gomes
1,
Renata Celi Lopes Toledo
1,
Marilia Regini Nutti
2,
Helena Maria Pinheiro Sant’Ana
1 and
Hércia Stampini Duarte Martino
1
1
Department of Nutrition and Health, Federal University of Viçosa, Viçosa 36570-000, Minas Gerais, Brazil
2
EMBRAPA Food Technology, Rio de Janeiro 23020-470, Brazil
*
Author to whom correspondence should be addressed.
Nutrients 2015, 7(11), 9683-9696; https://doi.org/10.3390/nu7115488
Received: 8 July 2015 / Revised: 30 September 2015 / Accepted: 2 November 2015 / Published: 23 November 2015
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Abstract

Iron deficiency affects thousands of people worldwide. Biofortification of staple food crops aims to support the reduction of this deficiency. This study evaluates the effect of combinations of common beans and rice, targets for biofortification, with high carotenoid content crops on the iron bioavailability, protein gene expression, and antioxidant effect. Iron bioavailability was measured by the depletion/repletion method. Seven groups were tested (n = 7): Pontal bean (PB); rice + Pontal bean (R + BP); Pontal bean + sweet potato (PB + SP); Pontal bean + pumpkin (PB + P); Pontal bean + rice + sweet potato (PB + R + P); Pontal bean + rice + sweet potato (PB + R + SP); positive control (Ferrous Sulfate). The evaluations included: hemoglobin gain, hemoglobin regeneration efficiency (HRE), gene expression of divalente metal transporter 1 (DMT-1), duodenal citocromo B (DcytB), ferroportin, hephaestin, transferrin and ferritin and total plasma antioxidant capacity (TAC). The test groups, except the PB, showed higher HRE (p < 0.05) than the control. Gene expression of DMT-1, DcytB and ferroportin increased (p < 0.05) in the groups fed with high content carotenoid crops (sweet potato or pumpkin). The PB group presented lower (p < 0.05) TAC than the other groups. The combination of rice and common beans, and those with high carotenoid content crops increased protein gene expression, increasing the iron bioavailability and antioxidant capacity. View Full-Text
Keywords: gene expression; antioxidant capacity; iron; sweet potato; pumpkin; biofortification gene expression; antioxidant capacity; iron; sweet potato; pumpkin; biofortification
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MDPI and ACS Style

Dias, D.M.; De Castro Moreira, M.E.; Gomes, M.J.C.; Lopes Toledo, R.C.; Nutti, M.R.; Pinheiro Sant’Ana, H.M.; Martino, H.S.D. Rice and Bean Targets for Biofortification Combined with High Carotenoid Content Crops Regulate Transcriptional Mechanisms Increasing Iron Bioavailability. Nutrients 2015, 7, 9683-9696. https://doi.org/10.3390/nu7115488

AMA Style

Dias DM, De Castro Moreira ME, Gomes MJC, Lopes Toledo RC, Nutti MR, Pinheiro Sant’Ana HM, Martino HSD. Rice and Bean Targets for Biofortification Combined with High Carotenoid Content Crops Regulate Transcriptional Mechanisms Increasing Iron Bioavailability. Nutrients. 2015; 7(11):9683-9696. https://doi.org/10.3390/nu7115488

Chicago/Turabian Style

Dias, Desirrê M., Maria E. De Castro Moreira, Mariana J.C. Gomes, Renata C. Lopes Toledo, Marilia R. Nutti, Helena M. Pinheiro Sant’Ana, and Hércia S.D. Martino. 2015. "Rice and Bean Targets for Biofortification Combined with High Carotenoid Content Crops Regulate Transcriptional Mechanisms Increasing Iron Bioavailability" Nutrients 7, no. 11: 9683-9696. https://doi.org/10.3390/nu7115488

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