| 巴良杰,罗冬兰,杨飒,曹森,马超,吉宁,王瑞.热处理对采后火龙果低温贮藏期生理指标的影响[J].中国南方果树,2018,47(6): |
| 热处理对采后火龙果低温贮藏期生理指标的影响 |
| Effect of Heat Treatment on Physiology and Quality of Postharvest Pitaya during Low Temperature Storage |
| 投稿时间：2018-03-12 修订日期：2018-06-02 |
| DOI： |
| 中文关键词: 火龙果 热处理 贮藏期 生理指标 |
| 英文关键词:Pitaya Heat treatment Storage Physiological indicators |
| 基金项目: |
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| 摘要点击次数: 1837 |
| 全文下载次数: 2250 |
| 中文摘要: |
| 为寻找有效、安全的火龙果保鲜方法,探讨了热处理对采后火龙果低温贮藏期保鲜的影响。将采后的果实在46 ℃条件下进行不同的热处理时间(0min、10min、20min),然后于7 ℃条件下贮藏,每隔7d测定呼吸强度、腐烂率、失重率、相对电导率、丙二醛、含水量、可溶性固形物、还原糖、可滴定酸、pH值和Vc含量等生理指标。通过各项生理指标分析,以得到热处理的适宜时间。结果表明,热处理均能抑制贮藏期果实的呼吸强度,延缓腐烂率、失重率、相对电导率、丙二醛和pH值的增加,抑制含水量、可溶性固形物、还原糖、可滴定酸和Vc含量的降低,并且热处理20min的保鲜效果优于10min。因此,热处理20min对低温贮藏期火龙果保鲜效果较好。 |
| 英文摘要: |
| The effect of heat treatment on the preservation of post-harvest pitaya fruit in low temperature storage period was studied, in order to find an effective and safe method for the preservation of pitaya fruit. After harvesting the fruits at 46 °C for different heat treatment times (0 min, 10 min, 20 min), then they were stored at 7 °C, and the respiratory intensity, rot rate, weight loss rate, relative conductivity, malondialdehyde, water content, soluble solids, reducing sugar, titratable acid, pH and Vc content and other physiological indicators were investigated every 7 days.Through the analysis of various physiological indicators to obtain the appropriate time for heat treatment. The results showed that heat treatment could inhibit the respiratory intensity of the fruit during storage, and delay the decay rate, weight loss rate, relative conductivity, increase of malondialdehyde and pH, inhibit water content, soluble solids, reducing sugar, titratable acid and Vc. The result of principle analysis suggested that heat treatment for 20 min treatment provided optimum shelf quality of pitaya fruit. |
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