Cadmium, lead, and mercury in two commercial squid species from the north Adriatic Sea (central Mediterranean): contamination levels and health risk assessment.

IF 1.8 Q3 FOOD SCIENCE & TECHNOLOGY Italian Journal of Food Safety Pub Date : 2023-06-08 DOI:10.4081/ijfs.2023.11037
Maria Olga Varrà, Lenka Husáková, Jan Patočka, Adriana Ianieri, Sergio Ghidini, Emanuela Zanardi
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引用次数: 2

Abstract

In this study, lead (Pb), cadmium (Cd), and total mercury (Hg) concentrations in European squids (Loligo vulgaris) and flying squids (Todarodes sagittatus) from the northern Adriatic Sea (Italy) were analyzed. The risk of the Italian population being exposed to potentially hazardous metal concentrations through the consumption of these products was also assessed. Compared to European squids, flying squids showed three times higher total Hg concentrations and one hundred times higher Cd concentrations to the point that more than 6 and 25% of the samples exceeded the maximum Hg and Cd limits established by the current legislation. From the evaluation of dietary exposure levels, it emerged that the consumption of flying squids was associated with the highest Pb intake by children and, consequently, with the lower margin of exposure values in relation to the risk of neurotoxicity (margin of exposure=33). Consumption of flying squids, especially by children, was also associated with higher intakes of Cd, inorganic, and methyl-Hg, which, respectively, accounted for 156, 113, and 23% of the tolerable weekly intakes established for these contaminants at European level. The obtained results raise concern and it may be necessary to provide specific dietary advice on the moderate dietary consumption of some cephalopod species, especially to the youngest and most vulnerable segment of the population. However, besides the highly conservative deterministic method adopted in this study, a refined consumer exposure assessment should be performed through the probabilistic methodology, which is more suitable to represent the real exposure scenario.

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北亚得里亚海(地中海中部)两种商业鱿鱼中的镉、铅和汞:污染水平和健康风险评估。
本研究分析了意大利北部亚得里亚海欧洲鱿鱼(Loligo vulgaris)和箭尾飞乌贼(Todarodes sagittatus)体内铅(Pb)、镉(Cd)和总汞(Hg)的含量。还评估了意大利人口通过消费这些产品而暴露于潜在有害金属浓度的风险。与欧洲鱿鱼相比,飞鱿鱼的总汞浓度高出3倍,Cd浓度高出100倍,以至于超过6%和25%的样本超过了现行立法规定的最高汞和Cd限值。从饮食暴露水平的评估中发现,食用飞鱿鱼与儿童最高的铅摄入量有关,因此,与神经毒性风险相关的暴露值的下限也较低(暴露限值=33)。食用飞鱿鱼,尤其是儿童,还与较高的镉、无机汞和甲基汞摄入量有关,这三种污染物分别占欧洲标准规定的每周可耐受摄入量的15.6%、13%和23%。获得的结果引起关注,可能有必要就某些头足类物种的适度饮食提供具体的饮食建议,特别是对种群中最年轻和最脆弱的部分。然而,除了本研究采用的高度保守的确定性方法外,还需要通过概率方法进行精细化的消费者暴露评估,这种方法更适合代表真实的暴露情景。
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来源期刊
Italian Journal of Food Safety
Italian Journal of Food Safety FOOD SCIENCE & TECHNOLOGY-
CiteScore
2.50
自引率
0.00%
发文量
37
审稿时长
10 weeks
期刊介绍: The Journal of Food Safety (IJFS) is the official journal of the Italian Association of Veterinary Food Hygienists (AIVI). The Journal addresses veterinary food hygienists, specialists in the food industry and experts offering technical support and advice on food of animal origin. The Journal of Food Safety publishes original research papers concerning food safety and hygiene, animal health, zoonoses and food safety, food safety economics. Reviews, editorials, technical reports, brief notes, conference proceedings, letters to the Editor, book reviews are also welcome. Every article published in the Journal will be peer-reviewed by experts in the field and selected by members of the editorial board. The publication of manuscripts is subject to the approval of the Editor who has knowledge of the field discussed in the manuscript in accordance with the principles of Peer Review; referees will be selected from the Editorial Board or among qualified scientists of the international scientific community. Articles must be written in English and must adhere to the guidelines and details contained in the Instructions to Authors.
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