The Selenium Supplementation Influences Olive Tree Production and Oil Stability Against Oxidation and Can Alleviate the Water Deficiency Effects

Frontiers in Plant Science
Roberto D'AmatoPrimo Proietti

Abstract

Foliar fertilization with selenium (Se) may well be beneficial in increasing the nutritional and qualitative values of food in Se-deficient regions such as the Mediterranean Basin, and may contribute to an increase in drought resistance in plants. The present study has considered detachment force, flesh firmness, pigmentation, fresh and dry weight, and oil content of olive drupes from Se fertilized olive orchards (Olea europaea L.) under drought stress and well-watered conditions. This study has also evaluated the total Se, Se amino acid, phenol, carotenoid and chlorophyll contents of EVOO, plus its oxidative stability against oxidation. While there was no change in the ripening indexes and the production of olives generally, Se application did increase the total Se, Se methionine, phenol, and carotenoid and chlorophyll contents. The higher concentration of these (bio) chemical compounds in EVOO obtained from Se fertilized plants might well suggest enhanced antioxidant activity. Consequently, EVOO obtained from Se fertilized trees possesses a higher nutritional value and, as indicated by the greater oxidative stability against oxidation, longer shelf life. In addition, under water deficient conditions, a higher fresh olive weig...Continue Reading

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Citations

May 1, 2019·Plants·Daniela Guardado-FélixCristina Chuck-Hernández
Jan 11, 2020·Frontiers in Plant Science·Alberto Marco Del PinoCarlo Alberto Palmerini
Mar 18, 2020·Journal of Agricultural and Food Chemistry·Roberto D'AmatoDaniela Businelli
May 8, 2021·Plant Physiology and Biochemistry : PPB·Maria Gabriela Dantas Bereta Lanza, André Rodrigues Dos Reis

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Methods Mentioned

BETA
reverse phase chromatography

Software Mentioned

R
R Development Core Team

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