title: Influence of genotype, cultivation system and irrigation regime on antioxidant capacity and selected phenolics of blueberries (Vaccinium corymbosum L.).
abstract: Demand for and availability of blueberries has increased substantially over recent years, driven in part by their health-promoting properties. Three blueberry varieties ('Rocío', V2, and V3) were grown under two cultivation systems (open-field and plastic tunnels) and subjected to two irrigations regimes (100% and 80% of crop evapotranspiration) in two consecutive years (2011-2012). They were evaluated for their phytochemical composition and antioxidant capacity. Genotype influenced the antioxidant capacity and the content of the three groups of phenolics in the blueberries. The antioxidant activity and total flavonols content increased when the blueberries were grown under open-field conditions. Deficit irrigation conditions led to additional positive effects on their phenolics (delphinidn-3-acetilhexoside content was increased under plastic tunnel with deficit irrigation). In conclusion, the amount of phenolic compounds and the antioxidant capacity of blueberries were not negatively affected by water restriction; Moreover, several changes were recorded due to growing system and genotype.
authors.affiliation: Postharvest Technology and Agrifood Industry Area, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA), Alameda del Obispo, Córdoba, Spain. Electronic address: vanessa.cardenosa@juntadeandalucia.es.
authors.forename: Vanessa
authors.initials: V
authors.lastname: Cardeñosa
authors.affiliation: Phytochemistry Lab., Food Science and Technology Dept., CEBAS-CSIC, Campus Universitario de Espinardo - Edificio 25, E-30100 Espinardo, Murcia, Spain.
authors.forename: Amadeo
authors.initials: A
authors.lastname: Girones-Vilaplana
authors.affiliation: Organic Production and Natural Resources, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA) Las Torres-Tomejil, Córdoba, Spain.
authors.forename: José Luis
authors.initials: JL
authors.lastname: Muriel
authors.affiliation: Phytochemistry Lab., Food Science and Technology Dept., CEBAS-CSIC, Campus Universitario de Espinardo - Edificio 25, E-30100 Espinardo, Murcia, Spain.
authors.forename: Diego A
authors.initials: DA
authors.lastname: Moreno
authors.affiliation: Postharvest Technology and Agrifood Industry Area, Andalusian Institute of Agricultural and Fishering Research and Training (IFAPA), Alameda del Obispo, Córdoba, Spain. Electronic address: josem.moreno.rojas@juntadeandalucia.es.
authors.forename: José M
authors.initials: JM
authors.lastname: Moreno-Rojas
mesh_terms: D000872:Anthocyanins / Q000032:analysis; D000975:Antioxidants / Q000494:pharmacology*; D029798:Blueberry Plants / Q000737:chemistry / Q000235:genetics / Q000254:growth & development*; D005838:Genotype; D010636:Phenols / Q000494:pharmacology*; D012621:Seasons
chemical_list: D000872:Anthocyanins; D000975:Antioxidants; D010636:Phenols
keywords: Anthocyanins; Antioxidant capacity; Blueberries; Deficit irrigation; Phenolic compounds