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康达饮是一种中药饮料，８３名铅作业工人按其血铅和尿铅水平随机分成两组，４１人作为康达饮试验组，每天饮用康达饮，连续三个月，４２人作为对照组，相同时间饮用沙示汽水。结果表明康达饮可增加尿铅排出（Ｐ＜０．０５）及提高血铅水平（Ｐ＜０．０１）。这与我们以前做的动物实验结果一致，这可能是康达饮使骨铅向血液转移增加或血铅向骨内沉积减少所致。结果表明康达饮可降低机体铅负荷，对人体微量元素及其它指标无不良影响。
Kangda drink is a traditional Chinese medicine drink, 83 lead workers according to their blood lead and urine lead levels were randomly divided into two groups, 41 as Kangda drink test group, daily consumption of Kangda drink, for three consecutive months, 42 people as Control group, the same time drinking sand show soda. The results showed that Kangda drink can increase urinary lead excretion (P <0.05) and increase blood lead level (P <0.01). This is in line with the results of our previous experiments with animals, which may be due to Kangda drink increasing bone lead to blood transfer or reducing the deposition of blood lead into the bone. The results show that Kangda drink can reduce the body lead load, the human body trace elements and other indicators without adverse effects.