杭州市售大黄鱼不同可食部位中24种元素的分布特征  

Distribution characteristics of 24 elements in different edible parts of Pseudosciaena crocea from Hangzhou market

作　　者：王姝婷[1] 龚立科[1] 薛鸣[1] 何华丽[1] 任韧[1] WANG Shuting;GONG Like;XUE Ming;HE Huali;REN Ren(Hangzhou Center for Disease Control and Prevention(Hangzhou Health Supervision Institution)Center for Hygienic Inspection,ZhejiangHangzhou310021,China)

机构地区：[1]杭州市疾病预防控制中心(杭州市卫生监督所)卫生检验中心,浙江杭州310021

出　　处：《中国食品卫生杂志》2024年第8期922-927,共6页Chinese Journal of Food Hygiene

基　　金：杭州市卫生科技计划项目(A20220609)。

摘　　要：目的 探究杭州市售大黄鱼5种可食部位中24种元素的分布特征。方法 于2022年3月—2023年4月,采集杭州市售大黄鱼样品51份。采用微波消解-电感耦合等离子体质谱法对大黄鱼轴上肌、轴下肌、鱼皮、鱼鳔、性腺中的24种元素进行测定。结合相关性分析、主成分分析对相应可食部位中元素间的相关性、可食部位间的分布差异等特征进行探讨。结果 5个可食部位均以锌、铁的平均含量为最高。性腺、鱼皮、鱼鳔中的锰、铁、钴等人体必需微量元素和铅、镉、砷等污染元素的平均含量高于肌肉部位。3.9%的鱼皮和性腺样品的镉含量高于限量要求。各可食部位中存在多种元素呈显著的相关性(相关系数为0.702~0.992),可食部位间元素的分布差异主要集中于锶、钛、钡、钒等元素。结论 杭州市售大黄鱼样品可食部位中的镉存在一定程度的污染,不同可食部位的元素分布差异明显,对大黄鱼的污染物监测、膳食评估、资源利用、产品研发等相关工作中需关注不同可食部位元素的分布特征。Objective To investigate the distribution characteristics of 24 elements in 5 edible parts of Pseudosciaena crocea from Hangzhou market.Methods From March 2022 to April 2023,51 Pseudosciaena crocea samples were collected from Hangzhou market.Twenty-four elements in the supraaxial muscle,infraaxial muscle,fish skin,swim bladder and gonad of samples were measured by ICP-MS after microwave digestion.Correlation analysis and principal component analysis were combined to explore the characteristics in the edible parts,such as the correlation between elements,the distribution differences between edible parts.Results In the 5 edible parts,Zn,Fe showed highest average content.The average content of essential trace elements(such as Mn,Fe,Co)and pollution elements(such as Pb,Cd,As)in gonads,fish skin,and swim bladder were higher than muscle parts.Fish skin and gonad samples were both exceeding the limit value at the rate of 3.9%.There were obvious correlations between multiple elements in various edible parts(correlation coefficient was 0.702~0.992).The distributional difference mainly focused on Sr,Ti,Ba,V and other elements.Conclusion There was a certain degree of contamination of Cd in the edible parts of Pseudosciaena crocea samples from Hangzhou market.The distribution of elements showed obvious difference between different edible parts.These characteristics of Pseudosciaena crocea should receive more attention in the contamination monitoring,dietary assessment,resource exploiting,product development and other related work.

关 键 词：大黄鱼 可食部位 元素 分布特征 

分 类 号：R155[医药卫生—营养与食品卫生学]