Definition of purpurin in English:

purpurin

noun ˈpəːpjʊrɪnˈpərpjərən

mass nounChemistry

A red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin.
An anthraquinone derivative; chemical formula: C₁₄H₈O₅
Example sentencesExamples
- In general, these newer drugs have been based on the structure of chlorin, purpurin, phthalocyanine or naphthalocyanine.
- However, the addition of purpurin to oxidized cytochrome c in the absence of microsomal fraction demonstrated low level but dose-dependent ‘reductase-like’ activity.
- Additionally, monascus pigments, purpurin, chlorophyllin and curcumin were reported to inhibit the mutagenicity of heterocyclic amines and other carcinogens.
- 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.

Origin

Mid 19th century: from Latin purpura 'purple' + -in¹.

Definition of purpurin in US English:

purpurin

nounˈpərpyərənˈpərpjərən

Chemistry

A red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin.
An anthraquinone derivative; chemical formula: C₁₄H₈O₅
Example sentencesExamples
- 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.
- However, the addition of purpurin to oxidized cytochrome c in the absence of microsomal fraction demonstrated low level but dose-dependent ‘reductase-like’ activity.
- 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.

Origin

Mid 19th century: from Latin purpura ‘purple’ + -in.

单词	purpurin
释义	Definition of purpurin in English: purpurin noun ˈpəːpjʊrɪnˈpərpjərən mass nounChemistry A red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin. An anthraquinone derivative; chemical formula: C₁₄H₈O₅ Example sentencesExamples In general, these newer drugs have been based on the structure of chlorin, purpurin, phthalocyanine or naphthalocyanine. However, the addition of purpurin to oxidized cytochrome c in the absence of microsomal fraction demonstrated low level but dose-dependent ‘reductase-like’ activity. Additionally, monascus pigments, purpurin, chlorophyllin and curcumin were reported to inhibit the mutagenicity of heterocyclic amines and other carcinogens. 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. Origin Mid 19th century: from Latin purpura 'purple' + -in¹. Definition of purpurin in US English: purpurin nounˈpərpyərənˈpərpjərən Chemistry A red dye originally extracted from madder and also prepared artificially by the oxidation of alizarin. An anthraquinone derivative; chemical formula: C₁₄H₈O₅ Example sentencesExamples 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. However, the addition of purpurin to oxidized cytochrome c in the absence of microsomal fraction demonstrated low level but dose-dependent ‘reductase-like’ activity. 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. Origin Mid 19th century: from Latin purpura ‘purple’ + -in.
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