NING Mingan,SHI Junyan,WANG Qing,et al.Effects of Ozone Combined Low Temperature and Modified Atmosphere Packaging on Postharvest Storage Quality of Pleurotus ostreatus[J].Northern Horticulture,2020,44(21):80-85.[doi:10.11937/bfyy.20194948]
臭氧结合低温自发气调包装对平菇贮藏品质的影响
- Title:
- Effects of Ozone Combined Low Temperature and Modified Atmosphere Packaging on Postharvest Storage Quality of Pleurotus ostreatus
- 关键词:
- 臭氧; 低温; 自发气调; 平菇; 多酚氧化酶(PPO)
- Keywords:
- ozone; low temperature; modified atmosphere packaging; Pleurotus ostreatus; polyphenol oxidase (PPO)
- 文献标志码:
- A
- 摘要:
- 以黑平菇为试材,采用2.47 mg?L-1臭氧熏蒸结合低温自发气调包装法处理(2.47 mg?L-1O3+L-MAP)平菇,测定贮藏期间平菇的感官品质和生理指标的变化,以期研究出适宜的复合保鲜处理方法。结果表明:2.47 mg?L-1O3+L-MAP处理可有效保持平菇的贮藏品质、色泽,抑制亮度L值和失重率升高,延缓丙二醛(MDA)含量的积累,有效地保持了细胞膜的完整性,减缓总酚消耗,抑制多酚氧化酶(PPO)活性,从而抑制平菇褐变,且抗氧化酶过氧化氢酶(CAT)活性增强,减轻过量过氧化氢对细胞组织的损伤。因此,2.47 mg?L-1臭氧结合低温自发气调包装处理可有效保持平菇的贮藏品质,延长贮藏期。
- Abstract:
- Taking Pleurotus ostreatus as test material,2.47 mg?L-1 ozone fumigation combined with low-temperature spontaneous modified atmosphere packaging (2.47 mg?L-1 O3+L-MAP) Pleurotus ostreatus was used to determine the sensory quality and physiological indicators of Pleurotus ostreatus during storage.In order to develop a suitable composite fresh-keeping treatment method.The results showed that 2.47 mg?L-1 O3 + L-MAP treatment can effectively maintain the storage quality and color of Pleurotus ostreatus,inhibit the increase of brightness L value and weight loss rate,delay the accumulation of MDA content,effectively maintain the integrity of the cell membrane,and slow down consumption of total phenol,inhibition of PPO enzyme activity,thereby inhibiting browning of Pleurotus ostreatus,and enhanced activity of antioxidant enzyme CAT,reducing the damage of cell tissues by excessive hydrogen peroxide.Therefore,2.47 mg?L-1 ozone combined with low temperature spontaneous modified atmosphere packaging treatment can effectively maintain the storage quality of Pleurotus ostreatus and prolong the storage period.
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备注/Memo
第一作者简介:宁明岸(1995-),男,硕士研究生,研究方向为农产品贮藏保鲜。E-mail:13517887344@163.com.责任作者:封碧红(1975-),女,博士,讲师,现主要从事园艺产品采后保鲜与生物技术等研究工作。E-mail:160390074@qq.com.基金项目:国家重点研发计划资助项目(2016YFD0400901);国家自然科学基金资助项目(31401536);北京市农林科学院青年基金资助项目(201404)。收稿日期:2019-12-30