Effects of organic farming and genotype on alimentary and nutraceutical parameters in tomato fruits

Authors

  • Carmela Migliori,

    1. National Council of Agriculture Research, Research Unit of Food Technology, CRA-IAA, Via G. Venezian n. 26, I-20133 Milan, Italy
    Search for more papers by this author
  • Luigi F Di Cesare,

    Corresponding author
    1. National Council of Agriculture Research, Research Unit of Food Technology, CRA-IAA, Via G. Venezian n. 26, I-20133 Milan, Italy
    • National Council of Agriculture Research, Research Unit of Food Technology, CRA-IAA, Via G. Venezian n. 26, I-20133 Milan, Italy.
    Search for more papers by this author
  • Roberto Lo Scalzo,

    1. National Council of Agriculture Research, Research Unit of Food Technology, CRA-IAA, Via G. Venezian n. 26, I-20133 Milan, Italy
    Search for more papers by this author
  • Gabriele Campanelli,

    1. National Council of Agriculture Research, Research Unit of Vegetable Crops in Central Areas, CRA-ORA, Via Salaria n. 1, I-63030 Monsampolo del Tronto, Ascoli Piceno, Italy
    Search for more papers by this author
  • Valentino Ferrari

    1. National Council of Agriculture Research, Research Unit of Vegetable Crops in Central Areas, CRA-ORA, Via Salaria n. 1, I-63030 Monsampolo del Tronto, Ascoli Piceno, Italy
    Search for more papers by this author

  • Paper presented at the First International Conference on Organic Food Quality and Health Research, Prague, Czech Republic, 18–20 May 2011.

Abstract

BACKGROUND: In recent years there has been growing interest in the influence of sustainable cultivation systems on the biochemical quality of vegetables. In this study, two genotypes of tomato, Giulianova and Perbruzzo, were grown in both organic (Or) and conventional (Conv) systems for three years and harvested at commercial ripening in each year. The Conv system was established according to traditional techniques and the Or system according to current EU regulations. Samples were evaluated for volatile substances, sugars, organic acids, dry matter, pH and lycopene.

RESULTS: During the three years, volatile substances increased in Or samples of Giulianova, while this response was less evident in Perbruzzo. Other parameters of both genotypes were not influenced by Or cultivation. Lycopene content in both Conv-cultivated genotypes was constant during the whole experimental period. In Or samples, lycopene content was lower than in Conv samples during the first and second years. In the last year, lycopene content in Or samples of Giulianova was similar to that in Conv samples, while lycopene content in Or samples of Perbruzzo was higher than that in Conv samples.

CONCLUSION: Changes in biochemical parameters of tomato fruits could be affected by both cultivation system and genotype, with a significant increase in both volatile substances and lycopene in the 2010 crop. Copyright © 2012 Society of Chemical Industry

Ancillary