FOOD SCIENCE ›› 2014, Vol. 35 ›› Issue (4): 195-199.doi: 10.7506/spkx1002-6630-201404040

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Effect of Salicylic Acid Treatment on Chilling Injury and the Metabolism of Reactive Oxygen Species in Apricot Fruits Stored at Low Temperature

HOU Yuan-yuan, ZHU Xuan*, WANG Ying, GONG Shuai   

  1. College of Food Science and Pharmaceutical Science, Xinjiang Agricultural University, Ürumqi 830052, China
  • Received:2013-04-09 Revised:2014-01-06 Online:2014-02-25 Published:2014-03-17
  • Contact: ZHU Xuan E-mail:zx9927@126.com

Abstract:

Xinjiang grown apricot fruits (Saimaiti) were treated with 0.01 g/L salicylic acid (SA) by vacuum infiltration and
then stored at 0 ℃ and 90%–95% relative humidity (RH). The chilling injury index, chilling injury incidence, superoxide
anion free radical production rate, hydrogen peroxide (H2O2) content and the activities of superoxide dismutase (SOD),
catalase (CAT) and peroxidase (POD) of the apricot fruits were determined at regular intervals during storage. The results
showed that the chilling injury index, chilling injury incidence, superoxide anion free radical production rate, H2O2 content
in SA-treated apricot fruits were lower than in control fruits, whereas the activities of SOD, CAT and POD were remarkably
enhanced in the former. It is suggested that the reduced incidence of chilling injury in SA-treated apricot fruit could be
related to maintained metabolic balance of reactive oxygen species, which is beneficial to reduce oxidative damage to
biological macromolecules.

Key words: salicylic acid, apricot fruit, chilling injury, active oxygen

CLC Number: