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Outline
Arsenic, a common hazardous substance, exhibits significant neurotoxicity and may induce dysfunction in the liver, kidneys and other organs. Consequently, it has been classified as a group I carcinogen by the International Agency for Research on Cancer, drawing widespread attention. Given that arsenic species in edible oils display varying toxicities during environmental migration and biological metabolism, the risk assessment of arsenic contamination in edible oils and fats becomes particularly complex. This paper initially outlined the classification of edible oils and the primary sources of arsenic contamination. Subsequently, it focused on reviewing the research progress and latest achievements in sample pretreatment techniques and instrumental analytical techniques for arsenic analysis and detection. Regarding sample pretreatment techniques, the paper summarized traditional methods such as microwave digestion, liquid-liquid extraction and solid-phase extraction, and discussed optimization measures for addressing challenges posed by the high viscosity and high organic content of oil matrices, as well as the potential applications of novel materials for adsorption and enrichment. In terms of detection techniques, the paper compared the applicability and performance of atomic fluorescence spectrometry with inductively coupled plasma mass spectrometry and chromatography-based methods, highlighted their respective feasibility in total arsenic determination and speciation analysis. Finally, this paper summarized the current challenges and issues in this field and providing an outlook on future research directions in response to these prominent problems, aiming to offer valuable references and insights for the study of arsenic contamination in edible oils.
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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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