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Bioaccumulation of Heavy Metals in the Mussel Mytilus galloprovincialis in the Changseon area, Korea, and Assessment of Potential Risk to Human Health

机译:韩国昌仙地区贻贝贻贝的重金属生物富集及对人体健康的潜在风险评估

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From 2008 to 2013, the mussel Mytilus galloprovincialis were collected from a major area of mussel production (Changseon area), which is a designated shellfish-cultivating area for export, located on the southern coast of Korea. The samples were analyzed for mercury (Hg) using a direct Hg analyzer and for other metals, such as cadmium (Cd), lead (Pb), arsenic (As), chromium, copper, nickel, and zinc, using inductively coupled plasma mass spectrometry. The concentrations and bioaccumulation of the heavy metals were determined, and a potential risk assessment was conducted to evaluate their hazards towards human consumption. The concentration and bioaccumulation ratio of Cd were the highest of the three hazardous metals (Cd, Pb, and Hg). The concentrations of hazardous metals in all samples were within the limits set by Korea and other countries. The estimated dietary intake (EDI) was compared to the provisional tolerable daily intake (PTDI) adopted by the Joint FAO/WHO Expert Committee on Food Additives and the U.S. Environmental Protection Agency. The EDIs of all heavy metals tested for mussel samples ranged from 0.01 to 4.99% of the PTDI; the highest value was measured for As. The hazard index (HI) can be used to assess the risk of heavy metal consumption associated with contaminated food. The HI for all samples was far less than 1.0, which indicates that the mussels produced in the Changseon area do not represent an appreciable hazard to humans and are fit for consumption.
机译:从2008年到2013年,贻贝是从贻贝生产的主要地区(长山地区)收集的,而贻贝是韩国南部沿海的指定贝类养殖出口区。使用直接汞分析仪分析样品中的汞(Hg),并使用电感耦合等离子体质量分析其他金属,例如镉(Cd),铅(Pb),砷(As),铬,铜,镍和锌光谱法。确定了重金属的浓度和生物蓄积性,并进行了潜在风险评估以评估其对人类食用的危害。 Cd的浓度和生物富集率是三种有害金属(Cd,Pb和Hg)中最高的。所有样品中的有害金属浓度均在韩国和其他国家设定的限值之内。估计的饮食摄入量(EDI)与粮农组织/世卫组织食品添加剂联合专家委员会和美国环境保护署通过的临时每日耐受摄入量(PTDI)进行了比较。贻贝样品测试的所有重金属的EDI范围为PTDI的0.01%至4.99%;测得的最高值为As。危害指数(HI)可用于评估与受污染食品相关的重金属消费的风险。所有样品的HI都远远小于1.0,这表明在昌善地区生产的贻贝对人类没有明显的危害,适合食用。

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