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8325647 
Journal Article 
Biodegradation of phenanthrene, anthracene and pyrene in vitro by Bacillus subtilis SPC14 
Poornachander Rao, M; Anitha, Y; Ashokvardhan, T; Satyaprasad, K 
2016 
1 
International Journal of Pharmaceutical Sciences Review and Research
ISSN: 0976-044X 
Global Research Online 
37 
2 
207-213 
English 
Polycyclic Aromatic Hydrocarbons (PAHs) are a group of organic pollutants, containing carbon and hydrogen, composed of two or more condensed benzene rings in linear, angular, and cluster arrangements. Number of benzene rings may vary between 2 to 13. Sometimes sulphur, nitrogen and oxygen atoms may get readily substituted in the benzene ring1. These are non-polar, hydrophobic and readily soluble in hydrophobic solvents like fat, oil, ethereal solvents. The aqueous solubility of PAHs decreases with increasing molecular size. The hydrophobicity of PAHs plays key role in high persistence and low bioavailability to microbial attack and retained environment for longer times without degradation2. The PAHs namely phenanthrene, anthracene and pyrene are common PAHs pollutants that occur in all contaminated sites. © 2016, Global Research Online. All rights reserved. 
Anthracene; Pahs; Phenanthrene; Polycyclic aromatic hydrocarbons; Pyrene