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目的了解宁波市市售头足类海产品中引起腹泻的化合物和生物毒素污染现状,探讨其与食源性腹泻之间的关系。方法 2008年12月—2009年11月在宁波市6个行政区内采集122份头足类海产品标本进行7种化学指标监测,包括挥发性盐基氮(VBN)、组胺(HIS)、吲哚(Indole)、麻痹性贝类毒素(PSP)、神经性贝类毒素(NSP)、软骨藻酸毒素(ASP)和腹泻性贝类毒素(DSP),并与同期监测的食源性腹泻报告病例数据进行相关性分析。结果所有化学指标在4个季度之间差异均有统计学意义(P<0.05)。ASP与VBN、ASP与PSP以及DSP与NSP之间具有相关性(P<0.05)。食源性腹泻与VBN、NSP及ASP具有正向相关性。结论 VBN、NSP及ASP是食源性腹泻的重要危险因素,应加强对头足类海产品VBN、NSP及ASP的监管和指导,确保消费者的食品安全和身体健康。
Objective To understand the status quo of diarrhea-causing compounds and biotoxins in commercially available cephalopods in Ningbo City and to explore their relationship with food-borne diarrhea. Methods From December 2008 to November 2009, 122 samples of Cephalopoda were collected from 6 administrative districts of Ningbo City for seven chemical indicators, including volatile basic nitrogen (VBN), histamine (HIS), indole Indole, PSP, NSP, ASP and diarrheal molluscicides (DSPs), and with the simultaneous monitoring of food borne diarrhea reports Case data were analyzed for correlation. Results All the four chemical indicators showed significant differences between the four quarters (P <0.05). There was a correlation between ASP and VBN, ASP and PSP, and between DSP and NSP (P <0.05). Food-borne diarrhea has a positive correlation with VBN, NSP and ASP. Conclusions VBN, NSP and ASP are the important risk factors of food-borne diarrhea. The supervision and guidance of VBN, NSP and ASP should be strengthened to ensure consumers’ food safety and health.