FOOD SCIENCE ›› 2017, Vol. 38 ›› Issue (19): 230-235.doi: 10.7506/spkx1002-6630-201719037

• Packaging & Storage • Previous Articles     Next Articles

Effect of Postharvest Oxalic Acid Treatment on Chilling Resistance in ‘Huayou’ Kiwifruits under Low Temperature Stress

LIANG Chunqiang, Lü Jiang, RAO Jingping*   

  1. College of Horticulture, Northwest A & F University, Yangling 712100, China
  • Online:2017-10-15 Published:2017-09-29

Abstract: Postharvest kiwifruits (Actinidia Chinensis ‘Huayou’) were dipped in 5 mmol/L oxalic acid (OA) solution for 10 min at room temperature and then stored at (0.0 ± 0.5) ℃ and 90%–95% relative humidity (RH) for 90 days. The results showed that pre-storage application of OA apparently alleviated chilling injury, and inhibited ethylene production and respiratory rate. OA significantly decreased lipoxygenase (LOX) activity and malondialdehyde (MDA) content, and increased ascorbate peroxidase (APX) activity and glutathione reductase (GR) activity. Compared with control, OA treatment maintained higher percentage of fruits and lower water loss after storage. These results suggested that pre-storage application of OA contributes to alleviating chilling injury and improving chilling resistance.

Key words: kiwifruit, oxalic acid, low temperature storage, chilling resistance

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