Inorganic Chemical Approaches to Pharmacognosy. V. : X-Ray Fluorescence Spectrometric Studies on the Inorganic Constituents of Crude Drugs. (3). On the Cinnamomi Cortex

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Inorganic constituents of many Cinnamomi Cortices (64 samples; almost all obtained commercially on the Osaka market) were investigated using energy-dispersive X-ray fluorescence spectrometry.The results can be summarized as follows : (1) The Cinnamomi Cortex contains K, Ca, and Fe (except for Japanese cinnamon) at lower levels than those of orchard leaves, while Mn and Sr are present at high levels. (2) A feature of the metals profile of Cinnamomi Cortex is high Mn-content. Especially, Chinese cinnamon (originated from Cinnamomum cassia) contains at extremely high levels, 300-900 ppm, whereas Mn concentrations of Java and Japanese cinnamons range from 100 to 300 ppm, and those of Ceylon cinnamon ranged from 50 to 150 ppm. (3) The contents of Mn and Rb depend on the kind of Cinnamomi Cortex, making identification possible.
公益社団法人日本薬学会の論文
1990-03-25