Mino Y, Usami H, Ota N, Takeda Y, Ichihara T, Fujita T
Osaka University of Pharmaceutical Sciences, Japan.
Chem Pharm Bull (Tokyo). 1990 Aug;38(8):2204-7. doi: 10.1248/cpb.38.2204.
Inorganic constituents of the leaves of several kinds of plants growing on different soil types were investigated using energy-dispersive X-ray fluorescence spectrometry. The results can be summarized as follows: (1) Each plant exhibited a characteristic metals profile, even if they were grown on similar soil types. (2) As we would expect, the metals profile of the plant leaves depends on the inorganic constitution of the soil on which it is grown. However, the degree of the influence of the soil types on the metals profile of the plant differs according to the kind of inorganic element: Ca and Cu are almost independent of the soil types, but the Ti and Fe content is dependent upon the soil types. (3) Sr content of plant leaves is closely related to the ratio of Sr to Ca of the soil on which the plants are grown. (4) This information should be helpful in identifying the producing district or original plant of a crude drug by its metals profile.
利用能量色散X射线荧光光谱法对生长在不同土壤类型上的几种植物叶片的无机成分进行了研究。结果可总结如下：(1) 即使生长在相似的土壤类型上，每种植物都呈现出独特的金属谱。(2) 正如我们所预期的，植物叶片的金属谱取决于其生长土壤的无机组成。然而，土壤类型对植物金属谱的影响程度因无机元素种类而异：钙和铜几乎与土壤类型无关，但钛和铁的含量取决于土壤类型。(3) 植物叶片中的锶含量与植物生长土壤中锶与钙的比例密切相关。(4) 这些信息应有助于通过其金属谱识别生药的产地或原生植物。
