高能电子辐照鸡肉对沙门氏菌和需氧平板计数的影响。

Effects of high-energy electron irradiation of chicken meat on Salmonella and aerobic plate count.

作者信息

Heath J L, Owens S L, Tesch S, Hannah K W

机构信息

Department of Poultry Science, University of Maryland, College Park 20742.

出版信息

Poult Sci. 1990 Jan;69(1):150-6. doi: 10.3382/ps.0690150.

DOI:10.3382/ps.0690150

PMID:2320527

Abstract

Four experiments were used to determine the effects of high-energy irradiation on the number of aerobic microorganisms and Salmonella on broiler breasts and thighs. Irradiation ranging from 100 to 700 kilorads (krads) was provided by a commercial-scale, electron-beam accelerator. Irradiation of broiler breast and thigh pieces with electron beams at levels of 100, 200, 300, 400, 500, and 600 krads showed that levels as low as 100 krads would eliminate Salmonella. When 33 thighs were tested after irradiation at 200 krads, only one thigh tested presumptive positive. The total number of aerobic organisms was reduced by 2 to 3 log10 cycles at irradiation levels of 100, 200, 300, 400, 500, 600, and 700 krads. Increasing the dose above 100 krads gave little if any additional benefit.

摘要

通过四项实验来确定高能辐照对肉鸡胸部和大腿处需氧微生物及沙门氏菌数量的影响。商业规模的电子束加速器提供了100至700千拉德（krads）的辐照。用电子束以100、200、300、400、500和600千拉德的剂量辐照肉鸡胸部和大腿切块，结果表明低至100千拉德的剂量就能消除沙门氏菌。在200千拉德辐照后对33条大腿进行检测时，只有一条大腿初步检测呈阳性。在100、200、300、400、500、600和700千拉德的辐照水平下，需氧生物的总数减少了2至3个对数10周期。将剂量增加到100千拉德以上几乎没有额外益处。