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Effect of stable antimicrobial nano-silver packaging on inhibiting mildew and in storage of rice

文献类型: 外文期刊

作者: Li, Li 1 ; Zhao, Chanjuan 1 ; Zhang, Yadong 2 ; Yao, Jianfeng 3 ; Yang, Wenjian 1 ; Hu, Qiuhui 1 ; Wang, Cailin 2 ; Cao, 1 ;

作者机构: 1.Nanjing Univ Finance & Econ, Coll Food Sci & Engn, Nanjing 210023, Jiangsu, Peoples R China

2.Jiangsu Acad Agr Sci, Jiangsu High Qual Rice R&D Ctr, Inst Food Crops, Nanjing 210014, Jiangsu, Peoples R China

3.Nanjing Forestry Univ, Coll Chem Engn, Nanjing 210037, Jiangsu, Peoples R China

关键词: Rice;Antimicrobial nano-silver packaging;Storage;Antimildew

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Antimicrobial nano-silver packaging (ANP) films were synthesized by blending polyethylene and highly dispersed Ag/TiO2 powder for rice storage at 37 degrees C and 70% relative humidity. ANP films were characterized by X-ray diffraction and silver migration. The antimicrobial activity of the films was assessed on Aspergillus flavus (A. flavus) by scanning electron microscope and total plate count, and the storage quality of rice was evaluated by texture analyzer and rapid viscosity analyzer. The results show that ANP had a quite beneficial effect on the antimildew and physicochemical property as compared to the normal PE packaging. During 35 days storage, the migration of silver into rice was not evident. A lower microbial population is observed on ANP that should be attributed to the presence of Ag/TiO2. Furthermore, rice packed by ANP shows an enhanced quality with regards to texture and pasting properties. Therefore, ANP is a promising packaging material for rice storage. (C) 2016 Elsevier Ltd. All rights reserved.

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