Identification of Glycyrrhiza Species by Direct Analysis in Real Time Mass Spectrometry

Author:

Fukuda Eriko1,Baba Masaki1,Iwasaki Noriaki1,Uesawa Yoshihiro2,Arifuku Kazunori3,Kamo Osamu3,Tsubono Koji3,Okada Yoshihito1

Affiliation:

1. Department of Natural Medicine and Phytochemistry, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan

2. Department of Clinical Pharmaceutics, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588, Japan

3. JEOL LTD., 1156 Nakagami-cho, Akishima, Tokyo 196–0022, Japan

Abstract

DART (Direct Analysis in Real Time)-MS is a novel mass spectrometric ion source, and allows the analysis of most compounds at ambient pressure and ground potential by producing [M+H]+ molecular ion species. Using this method, we examined the compounds characteristic of several kinds of licorices. For the analysis of Glycyrrhiza inflata Batalin, the peak at m/z 339 originates mainly from [M+H]+ of licochalcone A (LA), a species-specific compound. This peak was hardly detected in G. glabra Linné and G. uralensis Fischer. These results indicate that G. inflata can be differentiated from the other two species by detection of LA peaks using DART-MS analysis.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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