释义 |
purpurin /ˈpəːpjʊrɪn /noun [mass noun] ChemistryA red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin.- An anthraquinone derivative; chemical formula: C14H8O5.
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.
OriginMid 19th century: from Latin purpura 'purple' + -in1. |