A new disinfectant technique for Campylobacter jejuni and spoilage bacteria on chicken skin using a high-pressure pulsed jet spray apparatus

A new disinfectant technique for Campylobacter jejuni and spoilage bacteria on chicken skin using a high-pressure pulsed jet spray apparatus
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高压脉冲喷射喷雾装置对鸡皮空肠弯曲菌和腐败菌消毒新工艺

DOI:
10.1016/j.foodcont.2021.107989
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发表时间:
2021
期刊:
影响因子:
6
通讯作者:
Misawa Naoaki
Misawa Naoaki
中科院分区:
农林科学1区
文献类型:
--
作者:
Vetchapitak Torrung;Rana Mohammad Shohel;Sasaki Satomi;Taniguchi Takako;Sugiyama Susumu;Soejima Junichiro;Luangtongkum Taradon;Yamaguchi Yuya;Misawa Naoaki

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空肠弯曲菌(C.空肠)是全球人类胃肠炎的重要原因,鸡被认为是感染的主要宿主。最近,一种新的高压脉冲喷射喷涂(HPPJS)技术已经开发出来,以提高表面清洁的效率,使用间歇喷雾系统。我们评估了这种新技术降低C。鸡皮肤上的腐败菌。乳房和大腿皮肤样品接种C.然后使用9 MPa的HPPJS用亚氯酸水(CAW)(200和400 ppm)、次氯酸钠(NaOCl)(100和200 ppm)或自来水处理jejuniand 5或15秒。C.空肠计数采用最大可能数(MPN)法确定。此外,使用Petrifilm™测量需氧平板计数(APC)和总大肠菌群(TC)水平。以400 ppm的CAW或200 ppm的NaOCl处理15 s的效果最好,C的减少量分别为1.26-2.60 log 10 MPN/cm 2、0.55-1.51 log 10 CFU/cm 2和0.92-1.78 log 10 CFU/cm 2。空肠、APC和TC。这些结果表明,HPPJS与化学品是一个非常有效的技术,为减少C。鸡皮肤上的腐败菌。
Campylobacter jejuni(C. jejuni) is an important cause of human gastroenteritis worldwide and chickens are considered to be a major reservoir of infection. Recently, a novel high-pressure pulsed jet spray (HPPJS) technique has been developed in order to increase the efficiency of surface cleaning using an intermittent spray system. We evaluated the efficacy of this new technique for reducingC. jejuniand spoilage bacteria on chicken skin. Breast and thigh skin samples were inoculated withC. jejuniand then treated with chlorous acid water (CAW) (200 and 400 ppm), sodium hypochlorite (NaOCl) (100 and 200 ppm) or tap water using the HPPJS at 9 MPa for 5 or 15 s. TheC. jejunicounts were determined by the most-probable-number (MPN) method. In addition, aerobic plate counts (APCs) and total coliform (TC) levels were measured using Petrifilm™. Treatment with CAW at 400 ppm or NaOCl at 200 ppm for 15 s showed the greatest efficacy, with reductions of 1.26–2.60 log10MPN/cm2, 0.55–1.51 log10CFU/cm2, and 0.92–1.78 log10CFU/cm2forC. jejuni, APCs, and TCs, respectively. These results suggest that HPPJS with chemicals is a highly effective technique for the reduction ofC. jejuniand spoilage bacteria on chicken skin.
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发表时间: 2020
期刊: Food Control
影响因子: 6
作者:
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