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Objective To analyze the content characteristics of 5 kinds of heavy metals including lead (Pb), cadmium (Ca), total arsenic (As), total chromium (Cr), and total mercury (Hg) in Arachis hypogaea L. sold in Anhui Province, and to establish risk assessment of dietary exposure based on consumption data. Methods A total of 80 Arachis hypogaea L. samples were collected from 16 cities in Anhui Province. The content of Pb, Ca, As, Cr and Hg in Arachis hypogaea L. samples were determined using inductively coupled plasma mass spectrometry (ICP-MS). The Nemerow comprehensive pollution index were applied to evaluate the heavy metal pollution status in Arachis hypogaea L.. Combined with the consumption survey data on Arachis hypogaea L. consumption of residents in Anhui Province from 2015 to 2017, to analyze the exposure of various population groups in Anhui Province to heavy metals via Arachis hypogaea L. consumption, and the health effects were evaluated. Results Among the 80 Arachis hypogaea L. samples, the detection rates of Pb, Cd, As, Cr and Hg were 92.5%, 100.0%, 100.0%, 93.8% and 7.5%, respectively. Except for Cr, which had an over-limit rate of 5.0%, all other elements remained within the acceptable limits. The difference was statistically significant (P<0.05). The single-factor pollution index of samples collected from Huainan City and Chuzhou City was greater than 0.7. Males aged 18-50 years had the highest Cr EDI [0.0622 μg/(kg·d), P97.5=0.413 μg/(kg· d)]. The margin of exposure (MOE)/margin of safety (MOS) values of the 5 kinds of heavy metal elements in Arachis hypogaea L. were all greater than 1. The MOS value of the Cr element from 18-50 aged was lowed than 10, while the MOS values of Cd in were the lowest. Conclusion The detection rates of 5 kinds of heavy metals in Arachis hypogaea L. in Anhui Province are high, but the over-limit rates are low. Cr levels exceeds standards in certain localized areas, while Cd pollution indices varied across different sampling stages. The health risks from heavy metal exposure through Arachis hypogaea L. consumption are determined to be at acceptably low levels for local residents.
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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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