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Abstract 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”.
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 47 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 1% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |