benzopyrene


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Related to benzopyrene: benzanthracene

benzopyrene

[¦ben·zō¦pī‚rēn]
(organic chemistry)
C20H12 A five-ring aromatic hydrocarbon found in coal tar, in cigarette smoke, and as a product of incomplete combustion; yellow crystals with a melting point of 179°C; soluble in benzene, toluene, and xylene.
References in periodicals archive ?
Flavonoids are chemical compounds with a low molecular weight whose base structure (Figure 1) comprises a system of rings of diphenyl pyrene or phenyl benzopyrene accompanied by two variable groups of hydroxyl phenolic radicals [12].
Cigarette smoke contains more than 4000 chemicals that can be divided into two phases, i.e., a particulate phase that includes nicotine, tar, and benzopyrene and a gaseous phase that includes carbon monoxide, oxides of nitrogen, and hydrogen cyanide [26].
Tobacco smoke has many harmful substances including benzopyrene, lead, carbon monoxide, arsenic, ammonia, formaldehyde, and a certain type of cyanide.
Similarly, a significant down-regulation of miR-146a was observed after nicotine and benzopyrene exposure further signifying the utility of epigenetic profile in assessing exposure associated dysregulations (18).
Using keratinocytes stimulated by benzopyrene or TNF-a, Nakahara et al.
(2001) have reported that mercury was the most potent in reducing CP content and MFO activities including CCR and benzopyrene hydroxylase.
Rosemary components inhibit benzopyrene induced genotoxicity in human bronchial cells.
The use of high temperatures (70-80[degrees]C) may lead to the formation of 3, 4, benzopyrene (Indicator of carcinogenicity).
Cigarette smoke contains benzopyrene which destroys the vitamin-A in the body.
Benzopyrene is a powerful carcinogen which accounts to about 20-40mg per cigarette.