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  • Title: [Determination of trace elements in 13 traditional Chinese medicines in medicated diet for diabetes mellitus by ICP-MS].
    Author: Shao YY, Cai BS, Lin JY, Xu JS.
    Journal: Zhongguo Zhong Yao Za Zhi; 2007 Oct; 32(19):2011-5. PubMed ID: 18161293.
    Abstract:
    OBJECTIVE: To investigate six trace elements including Cr, Zn, Mn, Se, Cu and V of 13 traditional Chinese medicines (TCM) commonly used in diet therapy of diabetes mellitus. METHOD: The samples were prepared through digesting in a microwave oven and determined with Inductively Coupled Plasma Mass Spectrometry (ICP-MS). RESULT: The correlative coefficients of the calibration curves were above 0.999. Standard addition recovery was 88.7% - 110.0% and RSD < or = 7.0%. Under the given analytical conditions, the results obtained showed that the contents of the six trace elements varied in these TCM samples, for element Cr, ranging between 0-11.82 microg x g(-1), Mn in 4.36-564.3 microg x g(-1), Cu in 0.55-13.34 microg x g(-1), Zn in 3.19-86.23 microg x g(-1) Se in 0-0.39 microg x g(-1) and V in 0.05-12.04 microg x g(-1), respectively. CONCLUSION: The possible relationship between the content of the six trace elements and 13 TCM samples for dietetic therapy of diabetes mellitus was also discussed.
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