Research Article

Oxidative Damage to Nucleic Acids and Benzo(a)pyrene-7,8-diol-9,10-epoxide-DNA Adducts and Chromosomal Aberration in Children with Psoriasis Repeatedly Exposed to Crude Coal Tar Ointment and UV Radiation

Table 2

The content of selected PAHs in pharmaceutical grade crude coal tar (CCT).

PAHsIARCamg/gPAHsIARCamg/g

Benzo(a)pyrene10.008Acenaphthene30.104
Dibenz(a,h)anthracene2A0Anthracene 32.494
Benz(a)anthracene2B0Benzo(g,h,i)perylene30
Benzo(b)fluoranthene2B0Fluoranthene 30.413
Benzo(k)fluoranthene2B0Fluorene30.299
Chrysene2B0.028Phenanthrene32.520
Indeno(1,2,3-c,d)pyrene2B0Pyrene30.241
Naphthalene2B3.286Acenaphthyleneā€”0.153

aClassification according to WHO (IARC Monographs on the Evaluation of Carcinogenic Risk to Humans, Volumes 1ā€“109, 2014):
Group 1: the agent is carcinogenic to humans;
Group 2A: the agent is probably carcinogenic to humans;
Group 2B: the agent is possibly carcinogenic to humans;
Group 3: the agent is not classifiable as to its carcinogenicity to humans.