Definition of purpurin in English:
A red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin.
- Alizarin is the main colourant molecule, but the extract also contains a closely related compound called purpurin, which (despite the name) imparts an orange colour.
- Additionally, monascus pigments, purpurin, chlorophyllin and curcumin were reported to inhibit the mutagenicity of heterocyclic amines and other carcinogens.
- In general, these newer drugs have been based on the structure of chlorin, purpurin, phthalocyanine or naphthalocyanine.
Definition of purpurin in:
- British & World English dictionary
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