湛江两近海域文蛤和翡翠贻贝副溶血性弧菌污染情况分析

Analysis on contamination of vibrio parahaemolyticus in meretrix meretrix linnaeus and perna viridis in two offings of Zhanjiang

目的:对湛江东海岛和南三岛两近海域文蛤和翡翠贻贝副溶血性弧菌的污染进行检测和评价。方法:在5～11月,采用SN0173-92出口食品副溶血性弧菌检验方法,分别对文蛤和翡翠贻贝样品进行副溶血性弧菌生化反应初筛和MPN值测定。结果:每克文蛤样品中副溶血性弧菌的MPN值为<3～93,其中在6～7月副溶血性弧菌MPN值最高,为93。每克翡翠贻贝样品中副溶血性弧菌的MPN值<3～23,其中在6～7月副溶血性弧菌MPN值最高,为23。结论:湛江东海岛和南三岛附近海域每克文蛤和翡翠贻贝样品中副溶血性弧菌MPN最高值≤100,未超过相关国际标准。

Objective： To examine the contamination situation of Vibrio parahaemolyticus in Meretrix meretrix Linnaeus and Perna viridis in 2 offings, Donghai and Nansan islands of Zhanjiang, China. Methods： In the period of May to November, the biochemical screening and the most probable number method （MPN） of V. parahaemolyticus in M. meretrix and P. viridis were conducted with the Method for Detection of Vibrio Parahaemolyticus in Food for Export （SN0173-92）, respectively. Results： For each 1 gram of the sample from M. meretrix, the MPN values were less than 3 to 93 which was the highest MPN value in June and July. And concerning each 1 gram of the sample from P. viridis, the MPN values were less than 3 to 23. Conclusion： The highest MPN values of V. parahaemolyticus in M. meretrix and P. viridis in 2 offings of Zhanjiang were less than 100, which met the limit of international food microorganism standards committee, respectively.