Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation
Calafate (<i>Berberis microphylla</i> G. Forst) is a wild bush plant widely distributed in the south of Argentina and Chile. Their blue colored fruits present particular flavor and health benefits attributed to high polyphenol contents biosynthesized by the plant under stress. Studies ab...
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doaj-9c16bec8c1cc4868a999e827f80b5c122021-01-20T00:04:59ZengMDPI AGFoods2304-81582021-01-011019619610.3390/foods10010196Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV RadiationMaría Eugenia Romero-Román0Mauricio Schoebitz1Richard M. Bastías2Pablo S. Fernández3Cristina García-Viguera4María Dolores López-Belchi5Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Campus Chillán 3780000, ChileDepartamento de Suelos y Recursos Naturales, Facultad de Agronomía, Universidad de Concepción, Concepción 4030000, ChileDepartamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Campus Chillán 3780000, ChileFood Engineering and Agricultural Equipment Department, Universidad Politécnica de Cartagena, 30203 Cartagena, SpainPhytochemistry Labaratoty Research Group on Quality, Safety and Bioactivity of Plant Foods, Department of Food Science and Technology, CEBAS (CSIC), 30100 Campus University Espinardo, 30100 Murcia, SpainDepartamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Campus Chillán 3780000, ChileCalafate (<i>Berberis microphylla</i> G. Forst) is a wild bush plant widely distributed in the south of Argentina and Chile. Their blue colored fruits present particular flavor and health benefits attributed to high polyphenol contents biosynthesized by the plant under stress. Studies about correlation of abiotic conditions with anthocyanin profiles and physicochemical features of calafate beneath wild origin environment are not described yet. Hence, this research aimed to evaluate the physicochemical changes, antioxidant activity and anthocyanin content of calafate fruit in relationship to UV solar radiation (W.m<sup>−2</sup>) and air temperature (°C) environment condition during three consecutive years (2017, 2018, 2019). Variations in fruit anthocyanins were determined by comparison between high performance liquid chromatography (HPLC-DAD-ESI)/MSn and <i>CIEL*a*b*</i> colors parameters. Correlations were analyzed by principal component analysis (PCA). Radiation was negatively correlated with fruit size and weight. Physicochemical aspects such as pH, soluble solids, color, total anthocyanins, flavanols and other phenolic compounds were positively correlated with temperature changes. The quantities of monomeric anthocyanins were dependent on both low temperature and global radiation (reaching 20.01 mg g<sup>−1</sup> FW in calafate fruit). These results constitute a valuable resource to understand the structural and physiological plasticity of calafate in facing climate changes for future domestication research as well as for agri-food industrial application.https://www.mdpi.com/2304-8158/10/1/196native Chilean berryantioxidant activityUV radiationtemperature influencePCAfood security |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
María Eugenia Romero-Román Mauricio Schoebitz Richard M. Bastías Pablo S. Fernández Cristina García-Viguera María Dolores López-Belchi |
spellingShingle |
María Eugenia Romero-Román Mauricio Schoebitz Richard M. Bastías Pablo S. Fernández Cristina García-Viguera María Dolores López-Belchi Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation Foods native Chilean berry antioxidant activity UV radiation temperature influence PCA food security |
author_facet |
María Eugenia Romero-Román Mauricio Schoebitz Richard M. Bastías Pablo S. Fernández Cristina García-Viguera María Dolores López-Belchi |
author_sort |
María Eugenia Romero-Román |
title |
Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation |
title_short |
Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation |
title_full |
Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation |
title_fullStr |
Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation |
title_full_unstemmed |
Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation |
title_sort |
native species facing climate changes: response of calafate berries to low temperature and uv radiation |
publisher |
MDPI AG |
series |
Foods |
issn |
2304-8158 |
publishDate |
2021-01-01 |
description |
Calafate (<i>Berberis microphylla</i> G. Forst) is a wild bush plant widely distributed in the south of Argentina and Chile. Their blue colored fruits present particular flavor and health benefits attributed to high polyphenol contents biosynthesized by the plant under stress. Studies about correlation of abiotic conditions with anthocyanin profiles and physicochemical features of calafate beneath wild origin environment are not described yet. Hence, this research aimed to evaluate the physicochemical changes, antioxidant activity and anthocyanin content of calafate fruit in relationship to UV solar radiation (W.m<sup>−2</sup>) and air temperature (°C) environment condition during three consecutive years (2017, 2018, 2019). Variations in fruit anthocyanins were determined by comparison between high performance liquid chromatography (HPLC-DAD-ESI)/MSn and <i>CIEL*a*b*</i> colors parameters. Correlations were analyzed by principal component analysis (PCA). Radiation was negatively correlated with fruit size and weight. Physicochemical aspects such as pH, soluble solids, color, total anthocyanins, flavanols and other phenolic compounds were positively correlated with temperature changes. The quantities of monomeric anthocyanins were dependent on both low temperature and global radiation (reaching 20.01 mg g<sup>−1</sup> FW in calafate fruit). These results constitute a valuable resource to understand the structural and physiological plasticity of calafate in facing climate changes for future domestication research as well as for agri-food industrial application. |
topic |
native Chilean berry antioxidant activity UV radiation temperature influence PCA food security |
url |
https://www.mdpi.com/2304-8158/10/1/196 |
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