Abstract
Centrifugal partition chromatography method was applied to the separation and purification of a crude methanolic extract of a cyanobacterial lichen, Lichina pygmaea. A multiple dual-mode was used to separate two compounds of interest, namely mycosporine-serinol and a glutamic acid derivative. These compounds are described here for the first time in a lichen. Their structures were identified by UV, IR, ESI-MS, 1H NMR, 13C NMR, and 2D NMR.
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