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      Evaluation of the Antioxidant Properties and Aromatic Profile During Maturation of The Blackberry (Rubus glaucus Benth) and The Bilberry (Vaccinium meridionale Swartz) Translated title: Evaluación de las Propiedades Antioxidantes y el Perfil Aromático Durante la Maduración de Mora (Rubus glaucus Benth) y Agraz (Vaccinium meridionale Swartz)

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          Abstract

          The blackberry (Rubus glaucus Benth) and the bilberry (Vaccinium meridionale Swartz) are natural sources of antioxidants; they are known for their preventive role against degenerative diseases. In this study, the aromatic profile was evaluated using an electronic nose, including the antioxidant properties and the vitamin C, phenolic and anthocyanin contents during three stages of blackberry and bilberry ripening. A completely random statistical design was followed and the results presented differences in the aromatic profile: a higher anthocyanin content (1.59 mg of cyn-3-glu g-1 in the bilberry and 0.26 mg of cyn-3-glu g-1 in the blackberry) and total phenols (5.57 mg of caffeic acid g-1 bilberry and 2.68 mg caffeic acid g-1 blackberry). The behavior of the evaluated properties was independent in each of the fruits.

          Translated abstract

          Los frutos como la mora (Rubus glaucus Benth) y el agraz (Vaccinium meridionale Swartz) son fuentes naturales de sustancias antioxidantes reconocidas por su papel preventivo en el desarrollo de enfermedades degenerativas. En este estudio se evaluó el perfil aromático por medio de nariz electrónica, las propiedades antioxidantes y el contenido de vitamina C, fenoles y antocianinas totales, durante tres estados de maduración de mora y agraz. El diseño estadístico que se siguió fue completamente aleatorio y los resultados muestran que las frutas en el último estado de madurez evaluado se diferencian por su perfil aromático, un contenido mayor de antocianinas (1,59 y 0,26 mg cyn-3-glu g-1 en agraz y mora, respectivamente) y fenoles totales (5,57 y 2,68 mg ácido caféico g-1 en agraz y mora, respectivamente). El comportamiento de las propiedades evaluadas es independiente en cada una de las frutas.

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          Most cited references53

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          Phenolic compounds in plants and agri-industrial by-products: Antioxidant activity, occurrence, and potential uses

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            Chemical studies of anthocyanins: A review

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              Anthocyanins and their role in cancer prevention.

              Anthocyanins are the most abundant flavonoid constituents of fruits and vegetables. The conjugated bonds in their structures, which absorb light at about 500 nm, are the basis for the bright red, blue and purple colors of fruits and vegetables, as well as the autumn foliage of deciduous trees. The daily intake of anthocyanins in residents of the United States is estimated to be about 200 mg or about 9-fold higher than that of other dietary flavonoids. In this review, we summarize the latest developments on the anti-carcinogenic activities of anthocyanins and anthocyanin-rich extracts in cell culture models and in animal model tumor systems, and discuss their molecular mechanisms of action. We also suggest reasons for the apparent lack of correlation between the effectiveness of anthocyanins in laboratory model systems and in humans as evidenced by epidemiological studies. Future studies aimed at enhancing the absorption of anthocyanins and/or their metabolites are likely to be necessary for their ultimate use for chemoprevention of human cancer.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rfnam
                Revista Facultad Nacional de Agronomía, Medellín
                Rev.Fac.Nal.Agr.Medellín
                Facultad de Ciencias Agropecuarias - Universidad Nacional de Colombia, Sede Medellín (Medellín )
                0304-2847
                January 2014
                : 67
                : 1
                : 7209-7218
                Affiliations
                [1 ] Universidad Nacional de Colombia - Sede Medellín Colombia
                [2 ] Universidad Nacional de Colombia - Sede Bogotá
                [3 ] Universidad Nacional de Colombia - Sede Bogotá Colombia
                Article
                S0304-28472014000100008
                10.15446/rfnam.v67n1.42649
                fc1f3953-d613-420b-9dfb-d2edc16fbf29

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0304-2847&lng=en
                Categories
                AGRONOMY

                Horticulture
                Antioxidant activity,electronic nose,Folin-Ciocalteu,FRAP,TEAC,Actividad antioxidante,nariz electrónica,Folin- Ciocalteu

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