青海省西宁种植山莨菪中重金属元素特征

青海地道中藏药材山莨菪人工引种栽培试验成功。采集两年生和三年生种植山莨菪在不同生长期的植物全植株,采用流动注射氢化法原子吸收光谱分别测试了其不同组织中铅、砷、汞、镉等重金属元素含量。结果表明,山莨菪在生长周期内吸收的重金属元素并非全部蓄积在根组织器官中,部分重金属元素通过年生长周期内的生长发育而随着地上茎叶部分等组织器官的枯萎被代谢排出植物体外。

Studies on Heavy Metal Element of Cultivated Anisodus tanguticus(Maxim.) Pascher in Xining, Qinghai Province

The Anisodus tanguticus(Maxim.) Pascher is a Chinese traditional medicinal material and Tibet herb of local Qinghai,and the test of cultivated has a good result in Qinghai province.The cultivated Anisodus tanguticus(Maxim.) Pascher of two year and three year in different growth phase was collected,and the content of heavy metal element as Pb,As,Hg,Cd was analysed by hydrogen generation-atomic absorption spectrometry.The results show that the part of the heavy metal element cumulated in root tissue organ on the growth periods and the part of the heavy metal element discharged besides the plant body with the tissue organ of stem and leaf wilted on the growth periods of the Anisodus tanguticus(Maxim.) Pascher.