Journal
SCIENTIA HORTICULTURAE
Volume 154, Issue -, Pages 31-36Publisher
ELSEVIER
DOI: 10.1016/j.scienta.2013.01.025
Keywords
Cornelian cherry; Antioxidant; Postharvest; Salicylic acid; DPPH scavenging; Phenylalanine ammonia-Iyase
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Funding
- Tabriz Branch, Islamic Azad University, Tabriz, Iran
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In order to enhance postharvest antioxidant potential of cornelian cherry fruits, the effects of treatment with 0 (control), 1 and 2 mM salicylic acid (SA) on total phenols (TP), flavonoids (TF), anthocyanins (TA), ascorbic acid (AA) contents, DPPH scavenging activity (TAA) and phenylalanine ammonia-lyase (PAL) enzyme activity were investigated in fruits stored at 4 degrees C for 21 days. The DPPH scavenging activity of the cornelian cherry fruits was significantly increased by SA treatment. In addition, fruits treated with SA exhibited significantly higher total phenols, flavonoids, anthocyanins and ascorbic acid contents, and higher PAL enzyme activity. These results suggested that SA treatment might be a powerful strategy to enhance antioxidant potential of cornelian cherry fruits. In addition, these results suggested that enhanced antioxidant potential of cornelian cherry fruits treated with SA might be due to the stimulation of PAL enzyme activity and thus triggering the phenylpropanoid-flavonoids pathways. (C) 2013 Elsevier B.V. All rights reserved.
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