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Italian Wild Rocket [ Diplotaxis Tenuifolia (L.) DC.]: Influence of Agricultural Practices on Antioxidant Molecules and on Cytotoxicity and Antiproliferative Effects

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  • Alessandra Durazzo

    ()
    (Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione, Rome 00178, Italy)

  • Elena Azzini

    ()
    (Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione, Rome 00178, Italy)

  • Maria Claudia Lazzè

    ()
    (Dipartimento di Medicina Molecolare, Unità di Immunologia e Patologia Generale, Università degli Studi di Pavia, Pavia 27100, Italy)

  • Anna Raguzzini

    ()
    (Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione, Rome 00178, Italy)

  • Roberto Pizzala

    ()
    (Dipartimento di Medicina Molecolare, Unità di Immunologia e Patologia Generale, Università degli Studi di Pavia, Pavia 27100, Italy)

  • Giuseppe Maiani

    ()
    (Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione, Rome 00178, Italy)

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    Abstract

    Wild rocket [ Diplotaxis tenuifolia (L.) DC.] belongs to the Brassicaceae family and has its origin in the Mediterranean region. The effect of conventional and integrated cultivation practices on the nutritional properties and benefits of wild rocket [ Diplotaxis tenuifolia (L.) DC.] were studied. Bioactive molecules content (vitamin C, quercetin, lutein), antioxidant properties and bioactivity of polyphenolic extracts from the edible part of rocket in Caco-2 cells were determined. Regarding antioxidant properties, FRAP (Ferric Reducing Antioxidant Power) values ranged from 4.44 ± 0.11 mmol/kg fw to 9.92 ± 0.46 mmol/kg fw for conventional rocket and from 4.13 ± 0.17 fw mmol/kg to 11.02 ± 0.45 mmol/kg fw for integrated rocket. The characteristics of wild rocket as a dietary source of antioxidants have been pointed out. Significant differences in the quality of conventional and integrated rocket have been shown, while no influence of agronomic practice on biological activity was reported. A significant accumulation of cells in G1 phase and a consequent reduction in the S and G2 + M phases were observed in Caco-2 cells treated with rocket polyphenol extract.

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    Bibliographic Info

    Article provided by MDPI, Open Access Journal in its journal Agriculture.

    Volume (Year): 3 (2013)
    Issue (Month): 2 (May)
    Pages: 285-298

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    Handle: RePEc:gam:jagris:v:3:y:2013:i:2:p:285-298:d:25495

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    Keywords: Italian wild rocket; agricultural practices; antioxidants; cytotoxicity; antiproliferative effects;

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    1. Anonymous, 2005. "Trends in Australian Agriculture," Commission Research Papers 31903, Productivity Commission.
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