Inorganic Chemical Approaches to Pharmacognosy. VII. : X-Ray Fluorescence Spectrometric Studies on the Inorganic Constituents of Crude Drugs. (5). The Relationship between Inorganic Constituents of Plants and the Soils on Which They Are Grown

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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 indepenent 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.
社団法人日本薬学会の論文
1990-08-25