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High-Performance Liquid Chromatography--Electrospray Ionization-Mass Spectrometry Study of Ginkgolic Acid in the leaves and Fruits of the Ginkgo Tree (Ginkgo biloba)
2000
Journal of Chromatographic Science
Preserved Fulltext
A method is developed for qualitative analysis of ginkgolic acids in the leaves and fruits of Ginkgo biloba by high-performance liquid chromatography (HPLC)-electrospray ionization-mass spectrometry technique. Negative ionization mode is successful in obtaining a very abundant deprotonated molecule [M -H] -. The mass detection sensitivity is higher than ultraviolet detection but relies heavily on the concentration of acetic acid in the HPLC eluent, which consists of acetonitrile-water-acetic
doi:10.1093/chromsci/38.4.169
pmid:10766484
fatcat:svzux5osnjcqhj5vb62xf7v7ai