期刊
FOOD CHEMISTRY
卷 215, 期 -, 页码 477-482出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.08.013
关键词
Rice; Antimicrobial nano-silver packaging; Storage; Antimildew
资金
- Natural Science Foundation of Jiangsu Province [BK20141486]
- National Natural Science Foundation of China [31571901]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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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