《Table 5 Content of heavy metals in leaves and scapes of Allium wallichii Kunth.in the original habi
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《Investigation and Analysis of Nutrition Components of Wild Chives Collected from Hezhang County of Guizhou Province》
mg/kg
Under normalcircumstances，metals with a specific gravity of more than 5 are called heavy metals.Heavy metals in vegetables mainly refer to metals with significant biological toxicity such as mercury，cadmium，lead，chromium，and arsenic.The terrain of Hezhang County is complex.According to local authorities，the local soil is rich in cadmium and other metals.Therefore，it is very necessary to detect the content of heavy metals in wild chives.According to the National Food Safety Standard:Limits of Contaminants in Foods issued on June 1，2013，cadmium content in the three species of wild chives significantly exceeded the national standard，and cadmium content in A.ovalifolium Hand.-Mazz.was significantly higher than that of other chives（Table 4）.At the same time，arsenic，mercury，and lead content in A.ovalifolium Hand.-Mazz.also exceeded the limits.
| 图表编号 | XD00182579000 严禁用于非法目的 |
|---|---|
| 绘制时间 | 2018.04.01 |
| 作者 | Haiping WANG、Yang QIU、Fangwei LI、Jiangping SONG、Xiaohui ZHANG、Xixiang LI |
| 绘制单位 | Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences、Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences、Bureau of Agriculture and Animal Husbandry of Hezhang、Institute of Vegetables and Flowers,Chinese Aca |
| 更多格式 | 高清、无水印（增值服务） |
