Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential

Selenium (Se)-enriched vegetables are promising dietary sources of Se, which provides beneficial biological effects in humans. In this study, we investigated the effects of foliar application of Se on hydroponically grown multi-leaf green (V1) and red (V2) lettuce plants. Three selenate (SeIV) amend...

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Autores principales:	Muna Ali Abdalla, Jürgen E. Wick, Ibukun M. Famuyide, Lyndy J. McGaw, Karl H. Mühling
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	selenium green lettuce red lettuce elemental composition ABTS assay radical scavenging potential Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/72b8d57f88124b24b011494a5c10b28f
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spelling	oai:doaj.org-article:72b8d57f88124b24b011494a5c10b28f2021-11-25T17:47:35ZSelenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential10.3390/horticulturae71104882311-7524https://doaj.org/article/72b8d57f88124b24b011494a5c10b28f2021-11-01T00:00:00Zhttps://www.mdpi.com/2311-7524/7/11/488https://doaj.org/toc/2311-7524Selenium (Se)-enriched vegetables are promising dietary sources of Se, which provides beneficial biological effects in humans. In this study, we investigated the effects of foliar application of Se on hydroponically grown multi-leaf green (V1) and red (V2) lettuce plants. Three selenate (SeIV) amendment levels were evaluated for their influence on plant growth, elemental composition and radical scavenging capacity. Lettuce heads biofortified with 0.598 mg Se plant<sup>−1</sup> accumulated 19.6–23.6 and 14.9–17.6 μg Se g<sup>−1</sup> DM in the multi-leaf green (V1) and red (V2) lettuce plants, respectively. The accumulated Se levels can contribute significantly to the recommended dietary allowance of 70 µg day<sup>−1</sup> for adult men and 60 µg day<sup>−1</sup> for adult women. Accordingly, both V1 and V2 lettuce cultivars grown under the Se3 foliar application condition can cover the daily requirement for adult men by approximately 100% and 85% to 100%, respectively, by consuming 75–90 g or 100 g fresh weight from V1 or V2, respectively. The ABTS radical scavenging potential of green lettuce was induced at Se2 and Se3 foliar application levels, where the IC<sub>50</sub> was 1.124 ± 0.09 μg mL<sup>−1</sup> at Se0 and improved to 0.795 ± 0.03 and 0.697 ± 0.01 μg mL<sup>−1</sup>, respectively. There was no cytotoxicity against Vero kidney cells among all treated lettuce plants at the highest concentration tested of 1 mg/mL. Finally, a further focused investigation of the metabolic profile of lettuce plants under varied Se levels needs to be investigated in future studies.Muna Ali AbdallaJürgen E. WickIbukun M. FamuyideLyndy J. McGawKarl H. MühlingMDPI AGarticleseleniumgreen lettucered lettuceelemental compositionABTS assayradical scavenging potentialPlant cultureSB1-1110ENHorticulturae, Vol 7, Iss 488, p 488 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	selenium green lettuce red lettuce elemental composition ABTS assay radical scavenging potential Plant culture SB1-1110
spellingShingle	selenium green lettuce red lettuce elemental composition ABTS assay radical scavenging potential Plant culture SB1-1110 Muna Ali Abdalla Jürgen E. Wick Ibukun M. Famuyide Lyndy J. McGaw Karl H. Mühling Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
description	Selenium (Se)-enriched vegetables are promising dietary sources of Se, which provides beneficial biological effects in humans. In this study, we investigated the effects of foliar application of Se on hydroponically grown multi-leaf green (V1) and red (V2) lettuce plants. Three selenate (SeIV) amendment levels were evaluated for their influence on plant growth, elemental composition and radical scavenging capacity. Lettuce heads biofortified with 0.598 mg Se plant<sup>−1</sup> accumulated 19.6–23.6 and 14.9–17.6 μg Se g<sup>−1</sup> DM in the multi-leaf green (V1) and red (V2) lettuce plants, respectively. The accumulated Se levels can contribute significantly to the recommended dietary allowance of 70 µg day<sup>−1</sup> for adult men and 60 µg day<sup>−1</sup> for adult women. Accordingly, both V1 and V2 lettuce cultivars grown under the Se3 foliar application condition can cover the daily requirement for adult men by approximately 100% and 85% to 100%, respectively, by consuming 75–90 g or 100 g fresh weight from V1 or V2, respectively. The ABTS radical scavenging potential of green lettuce was induced at Se2 and Se3 foliar application levels, where the IC<sub>50</sub> was 1.124 ± 0.09 μg mL<sup>−1</sup> at Se0 and improved to 0.795 ± 0.03 and 0.697 ± 0.01 μg mL<sup>−1</sup>, respectively. There was no cytotoxicity against Vero kidney cells among all treated lettuce plants at the highest concentration tested of 1 mg/mL. Finally, a further focused investigation of the metabolic profile of lettuce plants under varied Se levels needs to be investigated in future studies.
format	article
author	Muna Ali Abdalla Jürgen E. Wick Ibukun M. Famuyide Lyndy J. McGaw Karl H. Mühling
author_facet	Muna Ali Abdalla Jürgen E. Wick Ibukun M. Famuyide Lyndy J. McGaw Karl H. Mühling
author_sort	Muna Ali Abdalla
title	Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
title_short	Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
title_full	Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
title_fullStr	Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
title_full_unstemmed	Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential
title_sort	selenium enrichment of green and red lettuce and the induction of radical scavenging potential
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/72b8d57f88124b24b011494a5c10b28f
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Selenium Enrichment of Green and Red Lettuce and the Induction of Radical Scavenging Potential

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