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Pulsed light inactivation of murine ...

Zhou, Zijin.

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Pulsed light inactivation of murine norovirus on various food contact surfaces.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Pulsed light inactivation of murine norovirus on various food contact surfaces./
作者:	Zhou, Zijin.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
面頁冊數:	55 p.
附註:	Source: Masters Abstracts International, Volume: 55-02.
Contained By:	Masters Abstracts International55-02(E).
標題:	Food science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1603504
ISBN:	9781339224466

Pulsed light inactivation of murine norovirus on various food contact surfaces.
Zhou, Zijin.

Pulsed light inactivation of murine norovirus on various food contact surfaces. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 55 p.

Source: Masters Abstracts International, Volume: 55-02.

Thesis (M.S.)--Illinois Institute of Technology, 2015.

Norovirus is one of the leading causes for foodborne illness. Transmission of virus from surface to food has been known to cause a number of outbreaks. Studies of norovirus have been conducted using Murine Norovirus to simulate the behaviors.

ISBN: 9781339224466Subjects--Topical Terms:

3173303
Food science.

Pulsed light inactivation of murine norovirus on various food contact surfaces.
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520 $a Norovirus is one of the leading causes for foodborne illness. Transmission of virus from surface to food has been known to cause a number of outbreaks. Studies of norovirus have been conducted using Murine Norovirus to simulate the behaviors.
520 $a Pulsed light (PL) is a promising surface decontamination technology, which has the potential to be applied in a food service setting. PL uses intense pulses of short duration and a broad spectrum to accomplish microbial inactivation. This study evaluates the effect of PL on MNV-1, artificially inoculated onto various food contact surfaces including 304 stainless steel, glazed tile, polypropylene, and ultra-high molecular weight (UHMW) polyethylene. The virus was allowed to inoculate on the coupons for 20mins and treated with pulsed light treatment system for up to 60 s, at a distance of 8.3 cm 10.8 cm or 13.3cm from the central axis of the lamp. An infrared (IR) camera was used to record surface temperatures, in 1-s increments. After PL treatments, remaining viruses were recovered from surfaces and quantified by plaque assay. At a distance of 10.8cm, MNV-1 was reduced by 2.22-, 2.27- 2.75- and 3.12-log, after 20s treatment on inoculated stainless steel, glazed tile, UHMW polyethylene and polypropylene, respectively. After 50s treatment, MNV-1 was reduced by 4.86- and 5.93-log on glazed tile and stainless steel surface respectively. The surface temperature on tile and stainless steel increased at the rate of 1.08+/-0.20 and 1.28+/-0.32°C /s respectively. A relatively short treatment using pulsed light is sufficient to inactivate MNV-1 on the surface of materials commonly used in food preparation. The results suggest that the technology has the potential to reduce surface viral contamination in a food preparation setting.
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