| 高能电子束辐照对鲜切哈密瓜生理生化品质的影响 |
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| 引用本文： | 周任佳,乔勇进,王海宏,陈召亮.高能电子束辐照对鲜切哈密瓜生理生化品质的影响[J].核农学报,2012,26(2):300-305,323. |
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| 作者姓名： | 周任佳 乔勇进 王海宏 陈召亮 |
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| 作者单位： | 1. 上海理工大学医疗器械与食品学院,上海200093／上海市农业科学院农产品保鲜加工研究中心,上海201403
2. 上海市农业科学院农产品保鲜加工研究中心,上海,201403 |
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| 摘 要： | 通过0．5、1．0、1．5和2．0kGy剂量的电子柬辐照处理鲜切哈密瓜，采用聚丙烯（PP）材质托盘和聚乙烯（PE）保鲜膜包装，置于5℃，相对湿度85％-95％的冷库中贮藏，研究高能电子束辐照对鲜切哈密瓜生理生化品质的影响。结果表明，电子束辐照能显著降低呼吸速率，显著抑制Vc、可溶性固形物的含量的下降，减少丙二醛积累，降低多酚氧化酶和过氧化物酶活性，并提高苯丙氨酸解氨酶活性。1．5kGv辐照处理的鲜切哈密瓜在贮藏至第13天时，感官品质保持良好。综合电子束辐照对鲜切哈密瓜的保鲜效果，确定最佳处理剂量为1．5kGy。
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| 关 键 词： | 高能电子束 辐照 鲜切哈密瓜 品质 |
EFFECT OF HIGH-ENERGY ELECTRON BEAM IRRADIATION ON PHYSIOLOGICAL QUALITY OF FRESH-CUT Hami MELON |
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| ZHOU Ren-jia,QIAO Yong-jin,WANG Hai-hong,CHEN Zhao-liang.EFFECT OF HIGH-ENERGY ELECTRON BEAM IRRADIATION ON PHYSIOLOGICAL QUALITY OF FRESH-CUT Hami MELON[J].Acta Agriculturae Nucleatae Sinica,2012,26(2):300-305,323. |
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| Authors: | ZHOU Ren-jia QIAO Yong-jin WANG Hai-hong CHEN Zhao-liang |
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| Institution: | 1.Department of Food Science,School of Medical Instrument and Food Engineering,University of Shanghai for Science and Technology,Shanghai 200093;2.Agricultural Products Storage and Procesings Research Center,Shanghai Acadamy of Agriculture Science,Shanghai 201403) |
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| Abstract: | To investigate the effects of high-energy electron beam irradiation on physiological quality of fresh-cut Hami melon,0.5,1.0,1.5 and 2.0kGy electron beam were chosen to irradiate the fresh-cut Hami melon which were packaged in plates in PP material and 0.03mm PE film.After irradiation,the samples were stored at the conditions of 5℃ and RH 85%~95%.The results showed that irradiation could significantly decrease the respiration rate of the hami-melon,retard the decreasing of Vc and soluble solids contents,reduced the accumulation of MDA,activity of PPO and POD,and increased the activity of PAL.After 13d storage,the fresh-cut Hami melon irradiated at 1.5kGy was still good in sensory quality.According to the results,1.5kGy should be the optimal irradiation dose of fresh-cut Hami melon. |
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| Keywords: | high-energy electron beam irradiation fresh-cut Hami melon quality |
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