在意大利一家鱼店购买的墨鱼(Sepia officinalis)中意外发现了四齿鲨科(Sphoeroides marmoratus):与河豚毒素存在相关的风险评估。

IF 1.8 Q3 FOOD SCIENCE & TECHNOLOGY Italian Journal of Food Safety Pub Date : 2023-06-08 DOI:10.4081/ijfs.2023.11117
Chiara Malloggi, Lara Tinacci, Alice Giusti, Federico Galli, Sonia Dall'Ara, Paola Marconi, Laura Gasperetti, Andrea Armani
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引用次数: 2

摘要

报告在中大西洋东部捕获的鱼贩购买的冷冻墨鱼中发现河豚标本(四齿鲨科)(粮农组织第34号)。向FishLab(比萨大学兽医科学系)报告该病例进行调查的消费者是比萨大学兽医专业的一名学生。他认出了四齿兽科,因为他在食品检查过程中参加了鱼类形态鉴定的实践课程,并意识到河豚毒素对人类健康的危害。本研究利用FAO形态学键对河豚进行了形态学鉴定,并利用DNA条形码技术对细胞色素氧化酶I (COI)和细胞色素b基因两个标记进行了分子鉴定。利用COI基因在形态上鉴定为Sphoeroides spp.,在分子上鉴定为Sphoeroides marmoratus(同源值99 ~ 100%)。文献报道,来自东大西洋的S. marmoratus在生殖腺和消化道中含有高浓度的TTX。然而,TTX可能从鱼类传播到与接触或摄入有关的其他生物的报道从未出现过。这是潜在有毒河豚进入市场的第一个案例。一名学生观察到这一事件,这一事实凸显了公民科学在管理新出现的风险方面的关键作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Accidental discovery of a Tetraodontidae (Sphoeroides marmoratus) within a cuttlefish (Sepia officinalis) bought in a fish shop in Italy: risk assessment associated with the presence of Tetrodotoxin.

The discovery of a pufferfish specimen (Tetraodontidae) inside a frozen cuttlefish, purchased by a fishmonger, and caught in the Eastern Central Atlantic (FAO 34) is reported. The consumer, who reported this case to FishLab (Department of Veterinary Sciences, University of Pisa) for investigation, was a student of Veterinary Medicine at the University of Pisa. He recognized the Tetraodontidae because he attended practical lessons on fish morphological identification during the course of food inspection and was aware of the risks to human health linked to the Tetrodotoxin (TTX). In this study, the pufferfish was identified morphologically, using the FAO morphological keys, and molecularly, analyzing two markers, the cytochrome oxidase I (COI) and the cytochrome b genes, by DNA barcoding. The pufferfish was identified morphologically as Sphoeroides spp., and molecularly as Sphoeroides marmoratus using the COI gene (99-100% identity values). Literature reports that S. marmoratus from the Eastern Atlantic contains high concentrations of TTX in the gonads and the digestive tract. However, the possible passage of TTX from fish to other organisms linked to contact or ingestion has never been reported. This represents the first case of a potentially toxic pufferfish entering the market inside another organism. The fact that a student observed this occurrence highlights the key role of citizen science in the management of emerging risks.

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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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