Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Original Papers
Determination of Volatile Compounds in Magnolia Bark by Microwave-Assisted Extraction Coupled to Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry
Yun F. SHATao M. HUANGShun SHENGeng L. DUAN
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2004 Volume 20 Issue 5 Pages 857-859

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Abstract

A method is described for the determination of volatile compounds in Magnolia bark using microwave-assisted extraction coupled to headspace solid-phase microextraction (MAE-HS-SPME), followed by gas chromatography with mass spectrometry (GC-MS). Parameters affecting the extraction efficiency, such as sampling time and temperature, microwave irradiation power and desorption time, were investigated to achieve the optimal conditions. The result obtained was compared with that of steam distillation; only small differences existed between these two methods. Therefore, the proposed method seems to be a feasible and relatively simple, fast and solvent-free procedure for identification of essential oils in Magnolia bark.

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© 2004 by The Japan Society for Analytical Chemistry
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