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园艺学报 ›› 2005, Vol. 32 ›› Issue (5): 866-868.

• 研究报告 • 上一篇    下一篇

高氧处理对蓝莓和草莓果实采后呼吸速率和乙烯释放速率的影响

郑永华   

  1. (南京农业大学食品科技学院, 南京210095)
  • 收稿日期:2004-11-20 修回日期:2005-01-25 出版日期:2005-10-25 发布日期:2005-10-25

Effects of High Oxygen on Respiratory Rate and Ethylene Production in Harvested Blueberries and Strawberries

Zheng Yonghua   

  1. (College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China)
  • Received:2004-11-20 Revised:2005-01-25 Online:2005-10-25 Published:2005-10-25

摘要: 研究了40%、60%、80%和100% O2 及空气气流连续处理对‘Duke’蓝莓和‘Allstar’草莓果实在5℃下35 d和14 d贮藏期间呼吸作用和乙烯产生的影响。结果表明, 60% ~100% O2 处理显著抑制蓝莓果实的呼吸速率和乙烯释放速率, 并且O2 浓度越高, 呼吸速率和乙烯释放速率越低, 而40% O2 对蓝莓果实呼吸速率和乙烯释放速率无显著影响。在贮藏前8 d, 高氧处理对草莓果实呼吸速率和乙烯释放速率无显著影响, 但在贮藏10~14 d, 80%和100% O2处理的呼吸速率和乙烯释放速率显著低于对照和其它高氧处理。

关键词: 蓝莓, 草莓, 高氧, 呼吸速率, 乙烯产生

Abstract: Freshly harvested blueberries (Vaccinium corymbosum L. ‘Duke’) and strawberries ( Fragaria ×ananassa Duch. ‘Allstar’) were placed in jars and continuously ventilated with air or 40% , 60% , 80% or 100% O2 for 35 and 14 days at 5℃, respectively, to investigate effects of high oxygen atmospheres
on fruit respiratory rate and ethylene production. While exposure of blueberries to 40% O2 slightly affected fruit respiratory rate and ethylene production, fruits exposed to 60% - 100% O2 exhibited significantly lower
respiratory rate and ethylene p roduction rate than those exposed to air. In strawberries, application of high oxygen atmospheres had no significant effects on fruit respiratory rate and ethylene p roduction within 8 days of storage, but significantly lower respiratory rate and ethylene p roduction rate were observed in fruits exposed to 80% and 100% O2 in the comparison with those exposed to other high O2 atmospheres and air between 10 and 14 days of storage.

Key words: Blueberry, Strawberry, High oxygen, Respiratory rate, Ethylene production

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