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Open AccessArticle

Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation

1
Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Campus Chillán 3780000, Chile
2
Food Engineering and Agricultural Equipment Department, Universidad Politécnica de Cartagena, 30203 Cartagena, Spain
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Departamento de Suelos y Recursos Naturales, Facultad de Agronomía, Universidad de Concepción, Concepción 4030000, Chile
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Phytochemistry 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, Spain
5
Unidad Asociada de Calidad y Evaluación de Riesgos de Alimentos, CEBAS (CSIC)—UPCT, 30100 Murcia, Spain
*
Authors to whom correspondence should be addressed.
Foods 2021, 10(1), 196; https://doi.org/10.3390/foods10010196
Received: 11 December 2020 / Revised: 11 January 2021 / Accepted: 15 January 2021 / Published: 19 January 2021
(This article belongs to the Special Issue Climate Changes and Global Warming—the Future of Foods)
Calafate (Berberis microphylla 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−2) 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 CIEL*a*b* 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−1 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. View Full-Text
Keywords: native Chilean berry; antioxidant activity; UV radiation; temperature influence; PCA; food security; climate change native Chilean berry; antioxidant activity; UV radiation; temperature influence; PCA; food security; climate change
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MDPI and ACS Style

Romero-Román, M.E.; Schoebitz, M.; Bastías, R.M.; Fernández, P.S.; García-Viguera, C.; López-Belchi, M.D. Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation. Foods 2021, 10, 196. https://doi.org/10.3390/foods10010196

AMA Style

Romero-Román ME, Schoebitz M, Bastías RM, Fernández PS, García-Viguera C, López-Belchi MD. Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation. Foods. 2021; 10(1):196. https://doi.org/10.3390/foods10010196

Chicago/Turabian Style

Romero-Román, María E.; Schoebitz, Mauricio; Bastías, Richard M.; Fernández, Pablo S.; García-Viguera, Cristina; López-Belchi, María D. 2021. "Native Species Facing Climate Changes: Response of Calafate Berries to Low Temperature and UV Radiation" Foods 10, no. 1: 196. https://doi.org/10.3390/foods10010196

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