木耳中14种金属元素含量的测定及相关分析

职业与健康 ›› 2023, Vol. 39 ›› Issue (23): 3212-3215.

木耳中14种金属元素含量的测定及相关分析

王子怡, 孙开奇, 吴国华, 罗仁才, 赵婕, 王正

北京市疾病预防控制中心营养与食品卫生所,北京 100013

收稿日期:2023-04-06 修回日期:2023-05-16 出版日期:2023-12-01 发布日期:2026-03-26
通信作者: 王正,副主任技师,E-mail：Lab_zlgl@126.com
作者简介:王子怡,女,初级技师,主要从事食品安全与检测工作。

Determination and correlation analysis of 14 metal elements in edible fungus

WANG Ziyi, SUN Kaiqi, WU Guohua, LUO Rencai, ZHAO Jie, WANG Zheng

Nutrition and Food Hygiene Institute,Beijing Center for Disease Control and Prevention,Beijing 100013,China

Received:2023-04-06 Revised:2023-05-16 Online:2023-12-01 Published:2026-03-26
Contact: WANG Zheng,Deputy chief technician,E-mail：Lab_zlgl@126.com

摘要/Abstract

摘要： 目的采用电感耦合等离子体-发射光谱仪（inductively coupled plasma optical emission spectrometer,ICP-OES）和电感耦合等离子体-质谱仪（inductively coupled plasma-mass spectrometry,ICP-MS）测定木耳中14种金属元素（锂、铍、钒、铬、镍、钴、铜、砷、钼、镉、锑、铊、铅、铝）含量,并对其进行相关性评价。方法采集于2019—2020年北京市辖16个区的80份木耳样品经过粉碎混匀后加入硝酸进行微波消解,采用ICP-OES测定总铝含量、 ICP-MS 法测定其他金属元素含量,并对数据进行分析。结果所测80份木耳样品的所有元素中,铝、铜、铬含量较高,含量范围分别为85.300~1 624.000、1.551~6.530、0.060~4.728 mg/kg;其余元素含量较低,含量范围0.000 8~1.399 0 mg/kg;不同样品中各元素含量比较,差异有统计学意义（P<0.05）;钴、钒、镍、铬4种元素间具有显著正相关性（P<0.01）,相关系数在0.61~0.93之间;砷-钴、铅-铊、铝-铍、钒、钴之间也具有显著正相关性（P<0.01）,相关系数均>0.6;各元素之间没有发现显著的负相关,相关系数均>-0.1。结论木耳中元素含量丰富;总砷、铅和镉3种污染物含量均未超过GB 2760—2017《食品安全国家标准食品中污染物限量》的规定,安全风险较低;所有元素中铝、铜、铬含量较高,健康风险应引起重视。大部分金属元素之间都呈正相关性,所测14种元素之间没有发现显著的负相关。

关键词: 木耳, 金属元素, 电感耦合等离子体光谱/质谱法, 相关性分析

Abstract: Objective To determine the content of 14 kinds of metal elements（lithium,beryllium,vanadium,chromium,nickel,cobalt,copper,arsenic,molybdenum,cadmium,antimony,thallium,lead and aluminum） in edible fungus by inductively coupled plasma-optical emissionspectrometer（ICP-OES） and inductively coupled plasma-mass spectrometer（ICP-MS） and consequently evaluate their correlation. Methods A total of 80 samples of edible fungus were collected from 16 districts in Beijing from 2019 to 2020,and treated with nitrification and microwave digestion after crushing and mixing. ICP-OES was used to determine total aluminum content and ICP-MS was used to determine other metal elements content. And the data were analyzed. Results Among all the elements in 80 samples,the contents of aluminum,copper and chromium were higher,ranging 85.300-1 624.000,1.551-6.530 and 0.060-4.728 mg/kg,respectively. The contents of other elements were low,ranging 0.000 8-1.399 0 mg/kg. The content of each element in different samples showed statistically significant difference（P<0.05）. The cobalt,vanadium,nickel and chromium were positively correlated with each other,and the correlation coefficients ranged from 0.61 to 0.93. There were also significant positive correlations among arsenic-cobalt,lead-thallium and aluminum-beryllium/vanadium/cobalt,with correlation coefficients >0.6. No significant negative correlation was found among the elements,with correlation coefficients >-0.1. Conclusions The edible fungus is abundant in element content. The contents of total arsenic,lead and cadmium do not exceed the limits of pollutants in food according to the National Food Safety Standards：Limit of Pollutants in Food（GB 2760-2017）,which indicated low health risk. The content of aluminum,copper and chromium in all elements is relatively high. For more attention would be paid to the health risk. Most metal elements have a positive correlation with each other. No significant negative correlations were found among the tested 14 elements.

Key words: Edible fungus, Metal elements, Inductively coupled plasma-optical emission/massspectrometer, Correlation analysis

中图分类号:

R155.5

王子怡, 孙开奇, 吴国华, 罗仁才, 赵婕, 王正. 木耳中14种金属元素含量的测定及相关分析. [J]职业与健康, 2023, 39(23): 3212-3215.

WANG Ziyi, SUN Kaiqi, WU Guohua, LUO Rencai, ZHAO Jie, WANG Zheng. Determination and correlation analysis of 14 metal elements in edible fungus. [J]OCCUPATION AND HEALTH, 2023, 39(23): 3212-3215.

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