Full
Outline
To investigate the contamination level of phthalate esters (PAEs) plasticizers in marketed liquors, compare the content of PAEs in different types of alcohol samples and samples collected from different sampling links, evaluate the exposure risk of citizens of Hanghzou.
The contamination status of PAEs in 97 marketed liquors samples was investigated using gas chromatography-tandem mass spectrometry (GC-MS/MS),and a point estimate method was applied to assess the dietary exposure of Hangzhou residents to PAEs.
The 7 kinds of plasticizers including dimethyl phthalate (DMP), diethyl phthalate (DEP), diisobutyl phthalate (DIBP),dibutyl phthalate (DBP), bis(2-ethoxyethyl) phthalate (DEEP), bis(2-ethylexyl) phthalate (DEHP) and bis(2-ethylhexyl) terephthalate (DOTP) were detected in liquors, the detection rates of DBP was the highest, it was 67.0%, but the detection rates of DEEP and DOTP were only 3.1% and 1.0%. The mean concentration values of DEP,DEEP and DOTP were blow the limit of detection (LOD). The 5 sample was detected above the limit value of DBP.The types, detection rate and concentration of the detected PAEs were different among the 6 kinds of liquors;meanwhile, the detection rate and concentration of PAEs were also different among the samples collected from the 3 kinds of different sampling links. The mean dietary exposure values for DMP, DIBP, DBP and DEHP were 0.01, 0.02,0.08 and 0.006 μg/(kg bw·d), hazard index (HI) was 1.2×10–3.
The max exposure values of DIBP,DBP and DEHP in liquors are 0.1, 0.9 and 0.1 μg/(kg bw·d), respectively, all of which are less than the tolerable daily intake (TDI), HI is far less than 1 and the health risk of PAEs caused to drinking is low.
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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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