温州地区市售螃蟹中镉污染状况及其在蟹体内分布研究  

Research on concentration and distribution of cadmium in crabs sold in Wenzhou

作　　者：林彩琴[1] 林少美[1] 陈珞洛[1] 郑三燕[1] 李瑞芬[1] LIN Caiqin;LIN Shaomei;CHEN Luoluo;ZHENG Sanyan;LI Ruifen(Wenzhou Center for Disease Control and Prevention,Zhejiang Wenzhou 325000,China)

机构地区：[1]温州市疾病预防控制中心,浙江温州325000

出　　处：《中国食品卫生杂志》2020年第4期414-417,共4页Chinese Journal of Food Hygiene

基　　金：温州市科技计划项目(Y20160484,Y20170152)。

摘　　要：目的了解温州地区市售螃蟹中镉的污染状况及其在蟹体内可食部分的分布情况,引导消费者健康食用。方法采用随机采样方法在温州市6个县区的51个市场采集3种螃蟹235份样品,依据GB 5009.268—2016《食品安全国家标准食品中多元素的测定》中的电感耦合等离子体质谱法测定镉含量。结果235份样品中,镉检出率为100%。2013、2015—2017年间,梭子蟹中镉污染呈上升趋势。梭子蟹、青蟹中蟹肉、蟹膏的镉含量均大于大闸蟹,差异有统计学意义(P<0.05),梭子蟹和青蟹中镉含量差异无统计学意义(P>0.05)。梭子蟹中镉分布情况:蟹黄/蟹膏>胸肌>腿肌,雌蟹和雄蟹中各部位镉含量差异无统计学意义(P>0.05)。结论镉主要富集在蟹黄/蟹膏内,与螃蟹品种、性别和个体差异无关。梭子蟹、青蟹中镉含量超标严重,特别是蟹黄/蟹膏,存在一定的安全风险,食用螃蟹时需适量,尤其蟹黄/蟹膏的摄入量。Objective To investigate the contamination and distribution of cadmium(Cd)in crabs sold in Wenzhou,and instruct consumers to eat healthily.Methods Three crab species were collected from 51 markets in 6 counties and districts of Wenzhou.The content of Cd was determined by inductively coupled plasma mass spectrometry based on GB 5009.268-2016.Results The detection rate of Cd was 100%in 235 samples.The Cd pollution in Portunus crab increase during 2013,2015 to 2017.The Cd content of muscle and hepatopancreas in Portunus crab and Scylla serrata was higher than that in Eriocheir sinensis Milne-Edwards(P<0.05).There was no significant difference in the Cd content between Portunus crab and Scylla serrata(P>0.05).The distribution of Cd in Portunus crab was hepatopancreas and gonad>pectoral muscle>leg muscle,there was no significant difference of cadmium content in different parts between female and male crabs(P>0.05).Conclusion Cd was mainly concentrated in hepatopancreas,which was irrelevant to crab species,sex and individual difference.Cd content of Portunus crab and Scylla serrata exceeded the standard seriously,especially in hepatopancreas.People should pay more attention to the Cd pollution of crabs,and reduce the intake of hepatopancreas if necessary.

关 键 词：螃蟹 镉 污染 分布 

分 类 号：R155[医药卫生—营养与食品卫生学]