parietin

Definitions

noun The predominant cortical pigment of some lichens, also found in roots of curled dock (Rumex crispus), having an orange-yellow colour and antifungal properties.

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The accumulation of the protective pigment parietin in Xanthoria parietina is induced specifically by UV-B radiation [124], while in Cladonia uncialis and Cladina rangiferina only UV-A radiation had a stimulating effect on the accumulation of usnic acid and atranorin, respectively.

General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels 2009
Is parietin a UV-B or a blue-light screening pigment in the lichen Xanthoria parietina?

General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels 2009