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

Alessandra Durazzo, Elena Azzini, Maria Claudia Lazzè, Anna Raguzzini, Roberto Pizzala and Giuseppe Maiani
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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

Agriculture, 2013, vol. 3, issue 2, 1-14

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.

Keywords: Italian wild rocket; agricultural practices; antioxidants; cytotoxicity; antiproliferative effects (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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