Anti-Listeria innocua activity of silver functionalised textile prepared with plasma technology

被引：33

作者：

Chadeau, Elise ^{[1
]}

Oulahal, Nadia ^{[1
]}

Dubost, Laurent ^{[2
]}

Favergeon, Frederic ^{[2
]}

Degraeve, Pascal ^{[1
]}

机构：

[1] Univ Lyon 1, LRGIA EA, F-01060 Bourg En Bresse, France

[2] HEF R&D Rue Benoit Fourneyron, F-42166 Andrezieux Boutheon, France

来源：

FOOD CONTROL | 2010年 / 21卷 / 04期

关键词：

Silver antimicrobial textile; Plasma technology; Listeria innocua; ANTIMICROBIAL ACTIVITY; ESCHERICHIA-COLI; NANOPARTICLES; MONOCYTOGENES; IONS; MICROSCOPY; DEPOSITION; BACTERIAL; BIOFILMS; EFFICACY;

D O I：

10.1016/j.foodcont.2009.07.013

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Thin layers of silver particles (10-100 angstrom) were deposited by plasma technology on textiles mainly composed with cotton or polyester in order to obtain antimicrobial properties. The antimicrobial activity against a Listeria innocua strain (LRGIA 01) of these textiles was assessed following a protocol based on the ISO 20743-2005 standard. The number of cultivable bacteria on textiles was then monitored for 24 h. The microbial population after 24 h at 30 degrees C attained 10(7) CFU g(-1) on control textiles while it did not exceed 10(3) CFU g(-1) on plasma-treated textile. All plasma-treated with silver textiles were anti-Listeria (up to 7 log CFU g(-1) decimal reductions of L. innocua populations) and this observation was confirmed by scanning electron microscopy. These textiles could thus have potential applications in food-processing industry to control cross-contaminations by L. monocytogenes. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：505 / 512

页数：8

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