Optimum growth and quality of the edible ice plant under saline conditions
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Título: | Optimum growth and quality of the edible ice plant under saline conditions |
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Autor/es: | Rodríguez Hernández, María del Carmen | Garmendia, Idoia |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente |
Palabras clave: | Mesembryanthemum crystallinum | Salt stress | Antioxidant properties | Food | Yield |
Área/s de conocimiento: | Fisiología Vegetal |
Fecha de publicación: | 24-oct-2021 |
Editor: | Wiley |
Cita bibliográfica: | Journal of the Science of Food and Agriculture. 2022, 102(7): 2686-2692. https://doi.org/10.1002/jsfa.11608 |
Resumen: | Background: Ice plant is a halophyte, known for its antioxidant activity and for being a highly functional food. It is capable of increasing its contents of health-promoting compounds when subjected to certain stresses such as salinity. The objective of this work was to determine the plant's best growing conditions to achieve both an optimal production of bioactive metabolites and high crop yield. M. crystallinum were grown under semi-controlled conditions and four saline treatments were applied at: 0, 100, 200 and 300 mM NaCl, respectively. Results: The 100 mM NaCl treatment induced a slight increase in shoot DW and enhanced the leaf area. At higher salinity levels, however, the shoot biomass decreased. The concentration of starch and total proteins declined as the concentration of salt increased, while the TSS content was lower in 100 and 300 mM NaCl treatments. Proline increased in conditions over 100 mM NaCl. Furthermore, plants grown with 300 mM of NaCl presented the highest values of glutathione, ascorbic acid and vitamin C. Antioxidant enzymes activity and total phenolics increased with the severity of the salinity. Conclusion: Ice plant accumulates high levels of health-promoting compounds when grown with 300 mM NaCl. A high concentration of beneficial compounds, however, is detrimental to the plant's growth. Moreover, 100 mM NaCl treatment not only improved the concentration of bioactive and antioxidant compounds but also preserved the crop yield. It could thus be interesting to promote the cultivation of this high nutritional value plant in environments of moderate salinity. |
Patrocinador/es: | This work was financed by the Valencian Community (GV/2018/068). |
URI: | http://hdl.handle.net/10045/119008 |
ISSN: | 0022-5142 (Print) | 1097-0010 (Online) |
DOI: | 10.1002/jsfa.11608 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2021 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1002/jsfa.11608 |
Aparece en las colecciones: | INV - FVA - Artículos de Revistas |
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