Abstract
RECENTLY, investigation of the purple vacuolar pigment of Zygogonium ericetorum Kütz.1 has disclosed that it is formed by an association of ferric ions with a gallo-tannin. Similar algal pigments reported as anthocyanin-like2 or phycoporphyrin3 by previous investigators are probably closely related or identical to the iron-tannin of Zygogonium.
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References
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ALLEN, A., ALSTON, R. Formation of Purple Pigment in Spirogyra pratensis Cultures. Nature 183, 1064–1065 (1959). https://doi.org/10.1038/1831064b0
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DOI: https://doi.org/10.1038/1831064b0


