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Determination of Trace Elements in Eucommia ulmoides Oliv.by Combining Microwave Digestion with FAAS

An‐Jun Wang, Yang Biao

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Abstract

[Objective] To determine the contents of 4 trace elements in Eucommia ulmoides Oliv..[Method] 4 trace elements including Zn,Cu,Ca and Mg in leaves and barks of Eucommia ulmoides Oliv.were determined by combining microwave-assisted sample digestion with flame atomic absorption spectrometry.[Results] The recovery rates of 4 trace elements ranged from 97% to 100.9% with all RSD value of less than or equal to 3.5%.There were significant differences in contents of Zn,Cu,Ca and Mg and antihypertensive effects between barks and leaves of Eucommia ulmoides Oliv..[Conclusion] The method was accurate,fast and convenient.

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What this paper is about

[Objective] To determine the contents of 4 trace elements in Eucommia ulmoides Oliv..[Method] 4 trace elements including Zn,Cu,Ca and Mg in leaves and barks of Eucommia ulmoides Oliv.were determined by combining microwave-assisted sample digestion with flame atomic absorption spectrometry.[Results] The recovery rates of 4 trace elements ranged from 97% to 100.9% with all RSD value of less than or equal to 3.5%.There were significant differences in contents of Zn,Cu,Ca and Mg and antihypertensive effects between barks and leaves of Eucommia ulmoides Oliv..[Conclusion] The method was accurate,fast and convenient.

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Available abstract

[Objective] To determine the contents of 4 trace elements in Eucommia ulmoides Oliv..[Method] 4 trace elements including Zn,Cu,Ca and Mg in leaves and barks of Eucommia ulmoides Oliv.were determined by combining microwave-assisted sample digestion with flame atomic absorption spectrometry.[Results] The recovery rates of 4 trace elements ranged from 97% to 100.9% with all RSD value of less than or equal to 3.5%.There were significant differences in contents of Zn,Cu,Ca and Mg and antihypertensive effects between barks and leaves of Eucommia ulmoides Oliv..[Conclusion] The method was accurate,fast and convenient.

Key concepts: Eucommia ulmoides, Chemistry, Microwave digestion, Digestion (alchemy), Atomic absorption spectroscopy, Extraction (chemistry), Chromatography, Detection limit

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