_____________________________________________________________________________________________________ *Corresponding author: E-mail: oluwatoyin.aderinola@lasu.edu.ng; Current Journal of Applied Science and Technology 40(34): 22-30, 2021; Article no.CJAST.76250 ISSN: 2457-1024 (Past name: British Journal of Applied Science & Technology, Past ISSN: 2231-0843, NLM ID: 101664541) The Effects of Three Traditional Smoking Methods on the Concentrations of Polycyclic Aromatic Hydrocarbons (PAHS) in Smoked Fishes Aderinola Oluwatoyin Joseph a* , A. A. Adu b , O. O. Babalola a , V. Kusemiju a and G. O. Mekuleyi c a Department of Zoology and Environmental Biology, Faculty of Science, Lagos State University, Nigeria. b Department of Botany, Faculty of Science, Lagos State University, Nigeria. c Department of Fisheries, Faculty of Science, Lagos State University, Nigeria. Authors’ contributions This work was carried out in collaboration among all authors. All authors read and approved the final manuscript. Article Information DOI: 10.9734/CJAST/2021/v40i3431566 Editor(s): (1) Dr. Chen Chin Chang, Hunan Women’s University, China. Reviewers: (1) Fabiana América Silva Dantas de Souza, Federal Rural University of Pernambuco, Brazil. (2) P. V. Krishna, Acharya Nagarjuna University, India. Complete Peer review History, details of the editor(s), Reviewers and additional Reviewers are available here: https://www.sdiarticle5.com/review-history/76250 Received 01 September 2021 Accepted 05 November 2021 Published 27 November 2021 ABSTRACT The effects of three traditional smoking methods on the concentrations of Polycyclic Aromatic Hydrocarbons (PAHs) in smoked fishes were studied to determine the concentration of PAHs in locally available and commonly consumed smoked fish species. Samples of two highly traded species of fish, Scomber scombrus and Horse markerel, among the low income people for immediate consumption were purchased from the market and processed using sawdust smoke, firewood smoke and charcoal smoke respectively. Some of the fresh fishes were also analyzed as control. The PAHs content were extracted with standard dichloromethane using solid-liquid extraction, and analyzed using Gas chromatography – Mass spectrophotometer (GC-MS) method. The results showed that fish samples processed with sawdust smoke recorded the highest concentrations of total PAHs, having 1.295 mg/kg in Horse markerel and 2.020 mg/kg in Scomber scombrus, followed by firewood smoked samples with total PAHs content of 0.910mg/kg in Horse markrel and 1.175 g/kg in Scomber scombrus while charcoal smoked samples recorded the least Original Research Article