Abstract − Analytical Sciences, 32(2), 255 (2016).
Multiphoton Ionization Time-of-Flight Mass Spectrometry for the Detection of Bioactive Lignan
Tomohiro UCHIMURA,* Goro TOKUMOTO,* Onon BATNYAM,** Chih-Wei CHOU,*** and Satoshi FUJITA**
*Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
**Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
***Department of Cosmeceutic and Tsuzuki Institute for Traditional Medicine, China Medical University, No. 91 Hsueh-Shih Road, Taichung, Taiwan 40402, R. O. C.
**Department of Frontier Fiber Technology and Science, Graduate School of Engineering, University of Fukui, 3-9-1 Bunkyo, Fukui 910-8507, Japan
***Department of Cosmeceutic and Tsuzuki Institute for Traditional Medicine, China Medical University, No. 91 Hsueh-Shih Road, Taichung, Taiwan 40402, R. O. C.
Multiphoton ionization time-of-flight mass spectrometry (MPI-TOFMS) combined with a pulsed laser for sample vaporization was developed for the detection of a low-volatile compound in a solution. A solution containing Taiwanin A ((3E,4E)-3,4-bis(1,3-benzodioxol-5-ylmethylene)dihydro-2(3H)-furanone), which is a lignan that has an anticancer effect, was employed in the present study. Consequently, Taiwanin A could be detected by irradiating a laser pulse for vaporization to an inlet nozzle, rather than by heating. Therefore, the present method could be effective for detecting compounds with lower volatilities in a liquid sample.
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