Medical Dictionary


noun pur·pu·rin \ˈpər-pyə-rən\

Medical Definition of purpurin

  1. 1:  an orange or red crystalline compound C14H8O5 obtained from madder root along with alizarin or by oxidation of alizarin and used in dyeing

  2. 2 also purpurine \-rən, -ˌrēn\play :  any of various colored compounds obtained from chlorophyll or related compounds by the action of cold alcoholic alkali and oxygen

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