2017 Fiscal Year Final Research Report
Comprehensive Risk Assessment of Heavy Metals in Children Toys Based on Chemical Forms and Bioaccessibility
| Project/Area Number |
15K12251
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Environmental risk control and evaluation
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| Research Institution | Kyoto University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | 子供用玩具 / 重金属 / バイオアクセシビリティ / リスク評価 |
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| Outline of Final Research Achievements |
We assessed risk by accidental ingestion of toys including heavy metals by using cheap toys collected from Asian countries. “Two-step methods” were applied by combining total concentration as screening with bioaccessibility test. We found high contamination of lead in metallic jewelries among all categories. Bioaccessibility test simulating stomach and small intestinal phases at least was desirable to assess correctly. In addition, we attempted to assess the influence of change of chemical state of heavy metals by aging test on bioaccessibility and identified next issues.
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| Free Research Field |
環境化学、廃棄物工学、分析化学
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