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宠物干粮食品辐照杀菌工艺参数的确定
引用本文:林红英,朱佳廷,冯敏,高美须,刘春泉,哈益明,赵永富,李淑荣,金宇东,王锋,季萍,周洪杰.宠物干粮食品辐照杀菌工艺参数的确定[J].核农学报,2009,23(1):98-127.
作者姓名:林红英  朱佳廷  冯敏  高美须  刘春泉  哈益明  赵永富  李淑荣  金宇东  王锋  季萍  周洪杰
作者单位:1. 南京晓庄学院,江苏,南京,211171
2. 江苏省农业科学院原子能农业利用研究所,江苏,南京,210014
3. 中国农业科学院农产品加工研究所,北京,100193
基金项目:国家标准制定和修订项目 
摘    要:依照国内外学者的研究结果和国际辐照饲料工艺规范的规定,研究了宠物干粮食品辐照杀菌工艺,确定了各项技术指标,并就主要技术指标的确定依据进行了阐述。该技术规定:辐照前宠物干粮食品细菌总数≤5×104 MPN/100g,霉菌≤4.5×104 CFU/g,沙门氏菌≤1×103 CFU/25g,辐照后细菌总数≤1000 CFU/g,大肠菌群≤30 MPN/100g,霉菌≤25 CFU/g,沙门氏菌不得检出,宠物干粮食品辐照杀菌的最低有效剂量为4.0 kGy,最高耐受剂量为15.0 kGy。辐照产品箱中最小吸收剂量应不小于最低有效剂量,最大吸收剂量应不大于产品的最高耐受剂量。

关 键 词:辐照  杀菌  吸收剂量  宠物干粮食品

IRRADIATION PARAMETERS FOR THE CONTROL OF MICROORGANISMS IN DRIED PET FOODS
LIN Hong-ying,ZHU Jia-ting,FENG Min,GAO Mei-xu,LIU Chun-quan,HA Yi-ming,ZHAO Yong-fu,LI Shu-rong,JIN Yu-dong,WANG Feng,JI Ping,ZHOU Hong-jie.IRRADIATION PARAMETERS FOR THE CONTROL OF MICROORGANISMS IN DRIED PET FOODS[J].Acta Agriculturae Nucleatae Sinica,2009,23(1):98-127.
Authors:LIN Hong-ying  ZHU Jia-ting  FENG Min  GAO Mei-xu  LIU Chun-quan  HA Yi-ming  ZHAO Yong-fu  LI Shu-rong  JIN Yu-dong  WANG Feng  JI Ping  ZHOU Hong-jie
Institution:1.Nanjing Xiaozhuang University;Nanjing;Jiangsu 211171;2.Institute for Application of Atomic Energy;Jiangsu Academy of Agricultural Sciences;Jiangsu 210014;3.Institute of Agrofood Science and Technology;Chinese Academy of Agricultural Sciences;Beijing 100193
Abstract:Based on food irradiation researches and international irradiation practices for feed, the specified irradiation practice for dried pet foods, which includes technological index,were studied . The major technological index can be summarized as follows: the numbers of total bacteria, coliform bacteria and mould in dried pet foods should not be higher than 5.6×106 CFU/g, 5.0×104 MPN/100g and 4.5×104 CFU/g before irradiation, and should be less than 1000 CFU/g, 30 MPN/100g and 25 CFU/g after irradiation; the load of Salmonella in dried pet food should be controlled from less than 1×103 CFU/25g to none after irradiation; the minimum effective dose for dried pet food irradiation is 4.0 kGy and the maximum tolerance dose is 15.0 kGy, the recommended absorbed dose range for pet food is from 4.0 to 15.0 kGy. The applied minimal absorbed dose should not be less than the effective dose, and not be higher than the tolerance dose during irradiation.
Keywords:irradiation  decontamination  absorbed dose  dried pet food  
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