1. Department of Chemistry, Zhejiang Normal University, Jinhua 321004, China 2. State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214036, China
Abstract：Herba euphorbiae humifusae is the dried whole plant of Euphorbia humifusa Willd. that belongs to euphorbiaceae. In the present paper, the microwave digestion procedure was used to digest herba euphorbiae humifusae collected in different periods, and then flame atomic absorption spectrometry (FAAS) was used to determine the contents of eight kinds of trace elements of herba euphorbiae humifusae in different periods, and the change in the contents of trace elements at different times was studied and analysed. The results showed that of all the trace elements of herba euphorbiae humifusae in different periods, element Fe was the highest in June, element K was in August at the highest level, element Mn reached the highest content in September, elements Na and Ca were dividedly at the highest content in October and November, and in December the highest content elements were Zn, Cu and Mg. In one word, the change of Na and Ca was jumping, while the change of Cu and Zn was comparatively mild. The results provide scientific basis for the time of collection of herba euphorbiae humifusae.
熊 玮1，蔡妙珍1，王 宏1，虞锐鹏2，程存归1* . 微波消解-原子吸收光谱法分析并比较不同时期地锦草中的微量元素 [J]. 光谱学与光谱分析, 2010, 30(07): 1975-1978.
XIONG Wei1，CAI Miao-zhen1，WANG Hong1，YU Rui-peng2，CHENG Cun-gui1* . Analysis and Comparison of Trace Elements of Herba Euphorbiae Humifusae in Different Periods by Microwave Digestion-Atomic Absorption Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2010, 30(07): 1975-1978.
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