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- Title
Effects of Exogenous Glycine Betaine on Oxidation Metabolism in Cucumbers during Low-temperature Storage.
- Authors
Li XU; Xiangning CHEN; Haiying ZHANG; Tao HAN; Fugui WANG
- Abstract
[Objective] This study aimed to analyze the effects of different concentrations of glycine betaine (GB) on oxidation metabolism in cucumbers under low-tem-perature stress and to investigate the possible mechanism of low-temperature resistance in cucumber during low-temperature storage. [Method] Cucumber cultivar Zhongnong No.8 was treated with 0, 5, 10 and 15 mmol/L GB solutions for 15 min and stored at 4 °C. Changes in oxidative metabolism-related parameters were observed. [Result] Increasing exogenous GB concentration could enhance GB content in cucumbers, decline lipoxygenase (LOX) activity, improve peroxidase (POD) and catalase (CAT) activities, remove effectively hydrogen peroxide (H2O2) and reduce the accumulation of malondialdehyde (MDA). [Conclusion] Treating cucumbers with 10 mmol/L GB exhibited the most remarkable effect.
- Subjects
BETAINE; CUCUMBERS; OXIDATIVE stress; PLANTS; EFFECT of temperature on vegetables; LIPOXYGENASES; PEROXIDASE; CATALASE; HYDROGEN peroxide
- Publication
Agricultural Science & Technology, 2015, Vol 16, Issue 5, p857
- ISSN
1009-4229
- Publication type
Article