کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10277259 464346 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bactericidal effects of nonthermal low-pressure oxygen plasma on S. typhimurium LT2 attached to fresh produce surfaces
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Bactericidal effects of nonthermal low-pressure oxygen plasma on S. typhimurium LT2 attached to fresh produce surfaces
چکیده انگلیسی
This work investigates the feasibility of nonthermal low-pressure oxygen plasma on sanitization of spinach, lettuce, tomato and potato surfaces from Salmonella enterica subsp. enterica serovar Typhimurium str. LT2 (Salmonella typhimurium LT2). It was shown that the time of exposure and plasma power density were two critical parameters influencing the bactericidal efficiency. Surface roughness and hydrophobicity did not influence the sanitization of produce. Oxygen plasma was more effective than washing with 3% H2O2 on eliminating S. typhimurium LT2 on spinach. Plasma treatment chemically changed a very thin section of tomato wax cuticle layer by oxidation reaction and decomposition of carbon chains, which could readily and completely be removed by water. Overall, this study confirms that nonthermal oxygen plasma can be a new effective method of sanitization for fresh produce.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Food Engineering - Volume 119, Issue 3, December 2013, Pages 425-432
نویسندگان
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