Native species facing climate changes: Response of calafate berries to low temperature and UV radiation
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Romero Román, María Eugenia; Schoebitz, Mauricio; Bastías Ibarra, Richard Mauricio; Fernández Escámez, Pablo Salvador; García Viguera, Cristina; [et al.]Área de conocimiento
Tecnología de los AlimentosPatrocinadores
This work has been supported by FONDECYT grant 1160899 (CONICYT, Chile) and Secretary of Higher Education of Science, Technology and Innovation of Ecuador (SENESCYT, Ecuador).Fecha de publicación
2021Editorial
MDPICita bibliográfica
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/ foods10010196Palabras clave
Native Chilean berryAntioxidant activity
UV radiation
Temperature influence
PCA
Food security
Climate change
Resumen
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 physicochem- ical 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 ...
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