| pyrene | <botany> The 'stone' (endocarp plus seed) of a succulent fruit. Compare: berry, drupe. (09 Oct 1997) |
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| pyrenes | <chemical> A group of condensed ring hydrocarbons. Pharmacological action: carcinogens. (12 Dec 1998) |
| benzo(a)pyrene | <chemical> A potent mutagen and carcinogen. It is a public health concern because of its possible effects on industrial workers, as an environmental pollutant, an as a component of tobacco smoke. Pharmacological action: carcinogens, environmental pollutants, mutagens. Chemical name: Benzo(a)pyrene (12 Dec 1998) |
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| benzo(a)pyrene-4,5-oxide hydratase | <enzyme> Aspect of epoxide hydrolase, EC 3.3.2.3 Registry number: EC 3.3.2.- (26 Jun 1999) |
| 6-hydroxymethylbenzo(alpha)pyrene synthetase | <enzyme> Catalyses hydroxymethylation of benzo(alpha)pyrene to the 16-hydroxymethyl derivative Registry number: EC 2.1.2.- (26 Jun 1999) |
| 7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide | <chemical> 7,8,8a,9a-tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. Pharmacological action: carcinogens, mutagens. Chemical name: Benzo(10,11)chryseno(3,4-b)oxirene-7,8-diol, 7,8,8a,9a-tetrahydro- (12 Dec 1998) |