| 真空镀银PET包装薄膜的研究 |
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| 引用本文： | 黄巍,孙靓.真空镀银PET包装薄膜的研究[J].包装与食品机械,2007,25(1):5-7,25. |
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| 作者姓名： | 黄巍 孙靓 |
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| 作者单位： | 中国包装科研测试中心,天津,300457 |
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| 摘 要： | 通过真空镀膜技术将Ag蒸镀在PET薄膜上,然后用于鲜牛肉包装,以此延长鲜牛肉的货架寿命。本文讨论了经该薄膜包装储存一段时间后的鲜牛肉挥发性盐基氮(TVB-N)的变化,研究了该抗菌薄膜的抗菌效果,并用气相色谱测(GC)测定其H2S释放量,运用原子吸收光谱(AAS)测定该镀Ag材料的Ag含量。结果表明:经这种方法包装后的鲜牛肉的挥发性盐基氮(TVB-N)以及H2S释放量随着镀Ag量增加明显下降。该抗菌薄膜的杀菌率达到99.8%。
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| 关 键 词： | 包装材料 鲜牛肉 真空镀膜 抗菌包装膜 |
| 文章编号： | 1005-1295（2007）01-0005-03 |
| 修稿时间： | 2006-12-21 |
Study on Vacuum Coating Ag on PET Packaging Film |
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| HUANG Wei,SUN Liang.Study on Vacuum Coating Ag on PET Packaging Film[J].Packaging and Food Machinery,2007,25(1):5-7,25. |
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| Authors: | HUANG Wei SUN Liang |
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| Abstract: | Ag was vacuum coated on polyester film,and then packed fresh beef in order to prolong its shelf life.This paper studied on the change of beef′s TVB-N.And content of emanative H2S was mensurated by GC.And exact content of Ag in antimicrobial film was analyzed by AAS.The microbail inhibitory rate was discussed.The results showed that TVB-N and content of emanative H2S decreased.Microbail inhibitory rate reached 99.8%. |
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| Keywords: | packaging material fresh beef vacuum coating antimierobial film |
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