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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.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Pulsed light inactivation of murine norovirus on various food contact surfaces./
Author:	Zhou, Zijin.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
Description:	55 p.
Notes:	Source: Masters Abstracts International, Volume: 55-02.
Contained By:	Masters Abstracts International55-02(E).
Subject:	Food science. -
Online resource:	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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245 1 0 $a Pulsed light inactivation of murine norovirus on various food contact surfaces.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2015
300 $a 55 p.
500 $a Source: Masters Abstracts International, Volume: 55-02.
500 $a Adviser: Lee Alvin.
502 $a Thesis (M.S.)--Illinois Institute of Technology, 2015.
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.
590 $a School code: 0091.
650 4 $a Food science. $3 3173303
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710 2 $a Illinois Institute of Technology. $b Food Safety and Nutrition. $3 3286296
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792 $a 2015
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