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园艺学报 ›› 2007, Vol. 34 ›› Issue (1): 209-212.

• 研究简报 • 上一篇    下一篇

高静压钝化采后草莓过氧化物酶的试验研究

黄训端1,2 ; 谢慧明1 ; 潘 见1 ; 曾庆梅1 ;杨 毅1 ; 王海翔1   

  1. (1 合肥工业大学生物机电工程研究所, 合肥230009; 2 安徽大学生命科学学院, 合肥230039)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-02-25 发布日期:2007-02-25

Expeimental Study on POD Activity Passivation of Strawberry by HighHydrostatic Pressure

HUANG Xun-duan1,2 ; XIE Hui-ming1 ; PAN Jian1 ;ZENG Qing-mei1 ; YANG Yi1 ; WANG Hai-xiang1   

  1. (1 Institute of Bio-mechanical and Electrical Engineering, Hefei University of Technology, Hefei 230009, China; 2 School of LifeSciences, Anhui University, Hefei 230039, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

摘要: 采用响应曲面法的Box-Behnken设计, 研究了高静压对草莓过氧化物酶( POD) 的钝化作用。
试验结果表明: 高静压处理可显著钝化草莓POD活性。因素(压力、温度和时间) 以及因素间交互作用的
分析显示, 在本试验条件下压力对钝化POD起到关键作用。采用Design Expert软件对数据进行处理, 建立
了高静压钝化草莓POD的响应模型, y = 97.2 - 44.0x1 - 1.1x2 - 5.3x3 - 27.5x12 - 7.3x22 - 9.4x32 - 8.3x1x2
- 5.0x1 x3 + 26.9x2 x3 , 决定系数R2 = 0.9883, 调整决定系数R2 = 0.9732。方差分析表明, 模型极显著, 因
此该模型可用于POD钝化效果分析和预测。

关键词: 草莓, 高静压, POD, 钝化, 响应曲面法

Abstract: The passivation effect of high hydrostatic p ressure on POD ( peroxidase) of strawberry was
studied by response surface methodology. Experimental results showed that high hydrostatic p ressure could
passivate POD significantly. Based on analysis of the factors (p ressure, temperature and time) and their inter
action, it was found that p ressure was a key factor to passivate POD under the conditions of this experiment.
A model, y = 97.2 - 44.0x1 - 1.1x2 - 5.3x3 - 27.5x12 - 7.3x22 - 9.4x32 - 8.3x1x2
- 5.0x1 x3 + 26.9x2 x3 ,
was established by Design Expert software. The determination coefficient of model was 0.9883 and adjusted
determination coefficientwas 0.9732. Analysis of variance imp lied that the modelwas significant. Therefore,
the model could be used to analyse and predict activity passivation of POD.

Key words: Strawberry, High hydrostatic p ressure, POD, Passivation, Response surface methodology