Combined biofortification of carrot with iodine and selenium

Sylwester Smoleń , Rafał Barański , Iwona Ledwożyw-Smoleń , Łukasz Skoczylas , Włodzimierz Sady


The aim of a three-year study was to assess the effect of combined biofortification with I and Se in carrot. Four cultivars ('Askona' F1, 'Samba' F1, 'Kazan' F1 and 'White Satin') were grown in soil fertilized with KI (4 kg I ha−1) and Na2SeO4 (0.25 kg Se ha−1). The I + Se fertilization did not affect yield but the plants of all cultivars accumulated both elements in leaves and roots. On average, the I and Se contents in roots increased 7.7-times for I and 4.9-times for Se as well as the average I:Se molar ratio was 0.28:1. The contents of both elements in roots remained well below the hazard threshold thus the intake of 100 g of biofortified carrot would substantially cover the RDA for I and Se. The changes in chemical composition of roots (nitrates, phenolic compounds, sugars, carotenoids, macro-, microelements and cadmium) were rather year-dependent than affected by the applied I + Se fertilization.
Author Sylwester Smoleń (FoBaH / IoPBaB)
Sylwester Smoleń,,
- Institute of Plant Biology and Biotechnology
, Rafał Barański (FoBaH / IoPBaB / DoGPBaSP)
Rafał Barański,,
- Department of Genetics, Plant Breeding and Seed Production
, Iwona Ledwożyw-Smoleń (FoBaH / IoPBaB / DoB)
Iwona Ledwożyw-Smoleń,,
- Department of Biochemistry
, Łukasz Skoczylas (FoFT / DoToFVaM)
Łukasz Skoczylas,,
- Department of Technology of Fruits, Vegetables and Mushrooms
, Włodzimierz Sady (FoBaH / IoPBaB)
Włodzimierz Sady,,
- Institute of Plant Biology and Biotechnology
Journal seriesFood Chemistry, ISSN 0308-8146, e-ISSN 1873-7072, (N/A 200 pkt)
Issue year2019
Publication size in sheets0.5
Article number125202
Keywords in EnglishDaucus carota, Transfer factor, Mineral nutrition, Target of biofortification, RDA iodine, RDA selenium
ASJC Classification2700 General Medicine; 1106 Food Science; 1602 Analytical Chemistry
Languageen angielski
Score (nominal)200
Score sourcejournalList
Publication indicators WoS Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2018 = 2.17; WoS Impact Factor: 2018 = 5.399 (2) - 2018=5.488 (5)
Citation count*2 (2020-03-28)
Additional fields
FinansowanieThis research wasfinanced by the Ministry of Science and HigherEducation of the Republic of Poland.
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