Preprint Article Version 1 This version is not peer-reviewed

Lettuce Biofortification with Selenium in Chitosan-Polyacrylic Acid Complexes

Version 1 : Received: 24 October 2018 / Approved: 25 October 2018 / Online: 25 October 2018 (05:22:51 CEST)

A peer-reviewed article of this Preprint also exists.

Leija-Martínez, P.; Benavides-Mendoza, A.; Cabrera-De La Fuente, M.; Robledo-Olivo, A.; Ortega-Ortíz, H.; Sandoval-Rangel, A.; González-Morales, S. Lettuce Biofortification with Selenium in Chitosan-Polyacrylic Acid Complexes. Agronomy 2018, 8, 275. Leija-Martínez, P.; Benavides-Mendoza, A.; Cabrera-De La Fuente, M.; Robledo-Olivo, A.; Ortega-Ortíz, H.; Sandoval-Rangel, A.; González-Morales, S. Lettuce Biofortification with Selenium in Chitosan-Polyacrylic Acid Complexes. Agronomy 2018, 8, 275.

Journal reference: Agronomy 2018, 8, 275
DOI: 10.3390/agronomy8120275

Abstract

Selenium (Se) is an essential element of the human diet. Therefore, it is necessary to implement Se in agricultural fertilization, although it is not considered as an essential element for plants, Se provides benefits at the level of redox metabolism, increasing the resistance of plants to various stress factors. The increase of the availability of selenium with the use of biopolymer complexes was sought in Great Lakes lettuce grown in substrate pots treated with SeO2 (5 mg L Se), Cs-PAA + Se (5 mg L Se), and Cs-PAA. The redox metabolism was modified by increasing the enzymatic activity of glutathione peroxidase. The use of Cs-PAA + Se biopolymer complexes increase selenium up to 24 mg/Kg dry weight (DW) in plant tissues.

Subject Areas

biofortification; antioxidants; soilless culture; nutraceutical quality; enzymatic activity; plant resistance

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