Santesson, J 1970: Anthraquinones in Caloplaca. - Phytochemistry9: 2149-2166. [RLL List # 77 / Rec.# 16257] Keywords: ANTHRAQUINONES/ CALOPLACA/ CHEMISTRY/ TLC/ MASS SPECTROMETRY
Abstract: 1 fig. 1 tab. ["About 230 species of the lichen genus Caloplaca have been surveyed for anthraquinones. By means of lichen mass spectrometry and TLC, emodin, parietin, fallacinol, fallacinal, parietinic acid, xanthorin, 2-chloroemodin, fragilin, and 1-O-methylfragilin have been identified, as well as some non-anthraquinonoid compounds. The species studied can be arranged according to their anthraquinone content in thirteen `chemical groups'."]
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