| 不同保鲜膜对平菇保鲜效果的影响 |
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| 引用本文： | 李文香,赵淑芳,樊铭聪,胡欣蕾,孙亚男. 不同保鲜膜对平菇保鲜效果的影响[J]. 中国农学通报, 2015, 31(26): 84-89. DOI: 10.11924/j.issn.1000-6850.casb15050078 |
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| 作者姓名： | 李文香 赵淑芳 樊铭聪 胡欣蕾 孙亚男 |
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| 作者单位： | (;1.青岛农业大学食品科学与工程学院/山东省应用真菌重点实验室,山东青岛 266109；;2.山东省农业技术推广总站,济南 250100） |
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| 基金项目： | 基金项目：山东省现代农业产业技术体系基金项目“食用菌产业创新团队”(SDAIT-11-011-09)；山东省2014年度农业重大应用技术创新项目“食用菌简约贮藏及冷链物流关键技术研究与示范”(6682214008)。 |
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| 摘 要： | 为比较不同保鲜膜对平菇保鲜效果的影响，分别以低密度聚乙烯(LDPE)膜、高密度聚乙烯(HDPE)膜和聚氯乙烯(PVC)膜为包装材料，在模拟超市冷鲜货架温湿度条件[温度约(14±1)℃，贮藏环境相对湿度约85%]下，研究3种不同保鲜膜对平菇的保鲜效果。结果表明：与LDPE膜相比，HDPE 膜和PVC 膜能降低平菇的采后失重率，维持包装内较高的CO2体积分数和较低的O2体积分数；在贮藏的前4天，HDPE膜和PVC膜包装的平菇感官分值与LDPE膜包装平菇无显著差异(P>0.05)；但贮藏4天后，HDPE 膜和PVC膜包装的平菇其感官分值明显低于LDPE膜，且呼吸强度及细胞膜透性也显著高于LDPE膜(P<0.05)。3种不同保鲜膜以LDPE膜对平菇的保鲜效果最佳。
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| 关 键 词： | 大风灾害 大风灾害 风险概率 风险评估 辽宁 十二届全运会 |
| 收稿时间： | 2015-05-14 |
| 修稿时间： | 2015-07-03 |
Effects of Different Kinds of Cling Film on Pleurotus ostreatus Fresh-keeping |
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| Li Wenxiang,Zhao Shufang,Fan Mingcong,Hu Xinlei and Sun Yanan. Effects of Different Kinds of Cling Film on Pleurotus ostreatus Fresh-keeping[J]. Chinese Agricultural Science Bulletin, 2015, 31(26): 84-89. DOI: 10.11924/j.issn.1000-6850.casb15050078 |
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| Authors: | Li Wenxiang Zhao Shufang Fan Mingcong Hu Xinlei Sun Yanan |
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| Affiliation: | (;1.Food Science and Engineering College, Qingdao Agricultural University/Shandong Provincial Laboratory of Applied Mycology Qingdao Shandong 266109;2.Shandong Province Agricultural Technology Extension Station, Jinan 250100) |
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| Abstract: | The aim of the present study is to compare the effect of three different kinds of cling film, including low density polyethylene (LDPE) film, high density polyethylene (HDPE) film and polyvinyl chloride (PVC) film, on Pleurotus ostreatus fresh-keeping under the condition of simulated cold fresh supermarket shelf temperature and humidity [temperature around (14±1)℃, storage environment relative humidity around 85%]. The results showed that compared with the LDPE film, HDPE film and PVC film could reduce the postharvest Pleurotus ostreatus weight loss, maintain the high CO2 volume fraction and low O2 volume fraction in packing. During the first 4 d of storage, Pleurotus ostreatus packaged by HDPE film and PVC film had no significant difference with Pleurotus ostreatus packaged by LDPE film(P>0.05). But after 4 d storage, the sensory score of Pleurotus ostreatus packaged by HDPE film and PVC film was significantly lower than the sensory score of Pleurotus ostreatus packaged by LDPE film and the respiration intensity and cell membrane permeability were also significantly higher than Pleurotus ostreatus packaged by LDPE film (P<0.05). Under the condition of Pleurotus ostreatus packaged by LDPE, the fresh-keeping effect was the best. |
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| Keywords: | Pleurtus ostreatus fresh-keeping cling film |
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