Structure of melanins and melanogenesis
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Nicolaus, R. A. ;Piattelli, M.
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Article
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1962
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John Wiley and Sons
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## Abstract Melanin from __Sepia officinalis__ is a natural high polymer present in the ink sack of the animal as calcium and magnesium salt. Sepiomelanin loses carbon dioxide on heating and reacts with diazomethane yielding a methylated compound. With methanol and hydrogen chloride an ester is obt