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Objective To determine the content of inorganic arsenic inshellfish and aquatic products by high performance liquidchromatography-inductively coupled plasma mass spectrometry, and toevaluate the food safety according to the content level of inorganicarsenic. Methods Four kinds of shellfish products were randomlypurchased from local markets and extracted by soaking in acid solution.After separation and filtration, the content of inorganic arsenic in theextracted solution was determined. Results The average inorganic arseniccontent of the 4 kinds of shellfish products were 0.067 ~0.140 mg/kg forPaphia undulata, 0.120 ~0.470 mg/kg for clam Philippines, 0.061 ~0.140mg/kg for clam white, and ${0.056}\sim {0.190}\mathrm{{mg}}/\mathrm{{kg}}$ for Sinonovacula constricta, respectively. The highest content ofinorganic arsenic was found in Philippinarum clam. Conclusion Thecontent of inorganic arsenic in shellfish products sold in Foshan Cityin 2023 does not exceed the limit value of ${0.5}\mathrm{{mg}}/\mathrm{{kg}}$ ofChina’s national food safety standard. Common shellfish aquatic productsare generally safe to eat. However, it is still necessary to be cautiousabout eating high-risk shellfish products and pay attention to thoroughcooking and processing. At the same time, it is necessary to strengthenthe awareness of food safety, strengthen the supervision and managementof such aquatic products, and carry out food safety knowledge publicityand health education.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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