Abstract
BY heating an aqueous solution of the actual excretion of the Mediterranean sea-slug Aplysia depilans, the violet pigment is separated from its protein part. The colour of the aqueous solution varies conformably with the pH, from blue (pH 1—2) to garnet red (pH 8—12.0).
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C.R. Soc. Biol., Paris, 92, 1030 (1953). Fox, “Animal Biochromes and Structural Colours” (Cambridge Univ. Press, London, 1953).
Lederer and Hutter, Trans. Mem. Soc. Chim. Biol., 1055 (1942).
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CHRISTOMANOS, A. Nature of the Pigment of Aplysia depilans . Nature 175, 310 (1955). https://doi.org/10.1038/175310a0
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DOI: https://doi.org/10.1038/175310a0
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