Abstract
The chemical compounds of Cladia aggregata from the states of Paraná and Santa Catarina were analyzed, resulting in five chemotypes. The chemotypes are as follows: barbatic and 4-O-demethylbarbatic acid; barbatic, 4-O-demethylbarbatic, and homosekikaic acid; barbatic, 4-O-demethylbarbatic and diffractaic, or barbatic and diffractaic acid; barbatic, 4-O-demethylbarbatic, and fumarprotocetraric acid; and barbatic, 4-O-demethylbarbatic, and stictic acid.
Highlights
The chemical compounds of Cladia aggregata from the states of Paraná and Santa Catarina were analyzed, resulting in five chemotypes
The presence of diffractaic acid was confirmed by thin layer chromatography and nuclear magnetic resonance at the Federal University Mato Grosso do Sul, located in the state of Mato Grosso do Sul, Brazil
We identified five chemotypes: 1. barbatic and 4-O-demethylbarbatic acid 2. barbatic, 4-O-demethylbarbatic, and homosekikaic acid
Summary
The chemical compounds of Cladia aggregata from the states of Paraná and Santa Catarina were analyzed, resulting in five chemotypes. Cladia aggregata (Sw.) Nyl. is a highly variable species, and, according to Ahti (2000), its total chemical variation is more extensive than is that of other Cladoniaceae. In a revision of the genus Cladia, Filson (1981) treated this species in a broad sense and reported 21 compounds.
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