食品科学 ›› 2003, Vol. 24 ›› Issue (2): 147-150.

• 包装贮运 • 上一篇    下一篇

ABA和乙烯对冬枣果实成熟衰老的调控

 李红卫, 冯双庆   

  1. 中国农业大学食品学院
  • 出版日期:2003-02-15 发布日期:2011-12-13

The Regulation of Abscisic acid and Ethylene on the Ripening of‘Winter Jujube’

 LI  Hong-Wei, FENG  Shuang-Qing   

  • Online:2003-02-15 Published:2011-12-13

摘要: 研究了外源ABA和乙烯处理对青绿冬枣在-1℃贮藏过程中内源ABA(脱落酸)、IAA(吲哚乙酸)、GA(赤霉素)含量变化的影响和不同成熟度果实的内源ABA含量与品质变化的关系。结果表明,外源ABA(50mg/L)处理显著刺激了果实内源ABA含量的增加,贮藏45d时出现最高峰值,含量为697.1ng/g,比对照(峰值为401.2ng/g)出峰时间提前达10d;外源乙烯利(100010-6)处理提高了贮藏前期果实内源ABA含量,促进了内源IAA和GA含量的下降。随着冬枣成熟度的增加,内源ABA含量和TSS含量逐渐增加,全红时达到最高值;内源IAA和GA含量及果实硬度、叶绿素和VC含量逐渐下降;果实硬度下降与内源ABA含量上升呈负相关(r=-0.8516);对果实衰老与ABA和乙烯的关系进行了讨论。

关键词: 冬枣, ABA, IAA, GA, 乙烯, 成熟

Abstract: This paper studied the effects of exogenous ABA and ethephon treatment on the changes of endogenous ABA,IAA and GA levels and the fruit quality changes during -1℃storage.After exogenous ABA 50mg/L and ethephon were applied to green“winter Jujube”.The results showed that endogenous ABA level and TSS content in-creased gradually and after 45 days storage ABA content reached the highest level as 697.1ng/g with the peak 10 days earlier than untreated control (401.2ng/g)at the red maturity stage.The exogenous ethephon(1000×10-6)treatment at the early storage enhanced the increase of endogenous ABA level and mean while decreased the endogenous IAA and GA level.Following the ripening of the Jujube the endogenous ABA and TSS levels gradually increased again while the firmness,chlorophyll and VC content decreased with the development of maturity in “winter Jujube”.It was found that ABA level was negatively correlated with the firmness of “winter Jujube”(r=0.8516).The possible interaction between the ripening of “winter Jujube”and ABA was further dis cussed in the paper.

Key words: winter Jujube, ABA, IAA, GA, ethylene, maturity