天然和人工放射性测定一些药用植物。
Natural and artificial radioactivity determination of some medicinal plants.
机构信息
Institute of General Chemistry, Urbino University Carlo Bo, Piazza Rinascimento 6, 61029 Urbino, Italy.
出版信息
J Environ Radioact. 2010 Sep;101(9):751-6. doi: 10.1016/j.jenvrad.2010.04.018.
Several medicinal plants used in Italy were analysed to determine natural and artificial radioactivity in those parts (leaves, fruits, seeds, roots, peduncles, flowers, barks, berries, thallus) used generally as remedies. The radionuclides were determined by alpha ((238)U, (210)Po) and gamma ((214)Pb-Bi, (210)Pb, (40)K and (137)Cs) spectrometry. (238)U ranged between <0.1 and 7.32 Bq kg(dry)(-1); (210)Po between <0.1 and 30.3 Bq kg(dry)(-1); (214)Pb-(214)Bi between <0.3 and 16.6 Bq kg(dry)(-1); (210)Pb between <3 and 58.3 Bq kg(dry)(-1); (40)K between 66.2 and 3582.0 Bq kg(dry)(-1); (137)Cs between <0.3 and 10.7 Bq kg(dry)(-1). The percentage of (210)Po extraction in infusion and decoction was also determined; the arithmetical mean value of percentage of (210)Po extraction resulted 20.7+/-7.5.
几种在意大利使用的药用植物被分析，以确定通常用作药物的部分（叶子、果实、种子、根、花梗、花、树皮、浆果、地衣）中的天然和人工放射性。放射性核素通过阿尔法（（238）U、（210）Po）和伽马（（214）Pb-Bi、（210）Pb、（40）K 和（137）Cs）谱法确定。（238）U 含量在 <0.1 到 7.32 Bq kg（干重）（-1）之间；（210）Po 含量在 <0.1 到 30.3 Bq kg（干重）（-1）之间；（214）Pb-（214）Bi 含量在 <0.3 到 16.6 Bq kg（干重）（-1）之间；（210）Pb 含量在 <3 到 58.3 Bq kg（干重）（-1）之间；（40）K 含量在 66.2 到 3582.0 Bq kg（干重）（-1）之间；（137）Cs 含量在 <0.3 到 10.7 Bq kg（干重）（-1）之间。还确定了在输液和煎剂中（210）Po 的提取百分比；（210）Po 提取百分比的算术平均值为 20.7+/-7.5。
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