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To study the correlation between heavy metal and harmful elements of Jasmine and the geo-authenticity，and to evaluate the risk.
The content difference of heavy metal elements in 43 batches of Jasmine from different production areas was determined by ICP-MS，and cluster analysis was carried out to study the correlation between the content of each element in Jasmine and the geo-authenticity. The dissolution rate of each element after decocting in water was determined，the symbolic elements that might affect the contents of heavy metal and harmful elements was screened，and risk assessment was performed.
The copolymerization of 43 batches of jasmine from different producing areas was divided into 2 types. The contents of heavy metals in powder and dry paste of Jasmine from different producing areas declined in the order of Cu，Cd，Pb ，As and Hg，and the content of Cu in powder and dry paste was higher than other elements. The dissolution rates of heavy metal and harmful elements declined in the order of As，Pb，Hg，Cu and Cd，and Pb，Cd and As were the representative elements that might affect the content of heavy metal and harmful elements in Jasmine. Risk assessment showed that MOEPb<1 existed in samples from Hengzhou Town，Hengzhou City，Guangxi Province (batch number：20200810) and Quanzhou City，Fujian Province (batch number：20230705)，and the hazard index and exposure limit values in other producing areas were in line with the limit standards.
This paper provides scientific basis for selection of planting area，artificial breeding and formulation of heavy metal and harmful limit standard.
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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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