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In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru.

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Title In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru.
 
Creator Andre, C.M.
Burgos, G.
Ziebel, J.
Guignard, C.
Hausman, J.F.
Felde, T. zum
 
Subject sweet potatoes
food composition
iron
phenolic compounds
bioavailability
 
Description Research to evaluate the potential of sweet potato to alleviate iron deficiency in affected human populations in developing countries is scarce. To partly fill this gap, we evaluated the bioaccessibility of iron in six sweet potato clones grown in two Peruvian environments, Satipo and San Ramon, following an in vitro gastro-intestinal digestion procedure. The bioaccessible iron content was clone-dependent and 1.7-fold higher in Satipo (5.15 g/g of fresh weight (FW)) as compared to San Ramon (3.04 g/g of FW). Aspects of iron bioavailability were then investigated using the Caco-2 cell model and ferritin synthesis as a marker, on two sweet potato clones after addition of an extrinsic source of iron to the digestion mixture.Results indicated that clone “CIP-194540.5” was presenting higher bioaccessible iron and lower phenolic contents and showed higher iron uptake as compared to clone “CIP-1055011.1” in both environments (91% vs. 24% in Satipo and 67% vs. 13% in San Ramon, respectively). These iron uptake values are higher than the ones previously reported for potato, which further stresses the use of sweet potato storage roots as part of a healthier diet in developing countries.
 
Date 2018-05
2018-05-29T16:19:41Z
2018-05-29T16:19:41Z
 
Type Journal Article
 
Identifier Andre, C.M.; Burgos, G.; Ziebel, J.; Guignard, C.; Hausman, J.F.; Felde, T. zum. 2018. In vitro iron bioaccessibility and uptake from orange-fleshed sweet potato (Ipomoea batatas (L.) Lam.) clones grown in Peru. Journal of Food Composition and Analysis. (USA). ISSN 0889-1575. 68:79-86.
0889-1575
https://hdl.handle.net/10568/92944
https://doi.org/10.1016/j.jfca.2017.07.035
 
Language en
 
Rights Copyrighted; all rights reserved
Limited Access
 
Format 79-86
 
Publisher Elsevier BV
 
Source Journal of Food Composition and Analysis