Stress Improves Tomatoes’ Quality

  • Author: Melania Tesio
  • Published: 07 March 2013
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: PLoS One/Public Library of Science
thumbnail image: Stress Improves Tomatoes’ Quality

Vitamin C and phenolic compounds are important nutrients contained in tomatoes. According to Aurelice Oliveira, Universidade Federal do Cearò, Brazil, and colleagues the concentrations of these substances is higher in tomatoes grown under organic farming conditions.


The researchers compared conventional and organic farming systems and demonstrated that the latter are associated with oxidative stress. Thus, tomatoes grown under organic conditions activate an antioxidant response which increases ascorbate production, favors the accumulation of sugars, and augments the conversion of l-phenylalanine into transcinnamate, an essential step for the biosynthesis of phenolic compounds. As a consequence, although organic farming systems negatively affect tomatoes’ size, they promote the accumulation of important nutrients and, thus, they improve fruits’ quality.


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1 Comments

Muhammad Tariq Riaz wrote:

Organic Chemistry

good information about new things.

Fri Mar 08 16:21:19 UTC 2013

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