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Determination of Cholesterol, Fatty Acids and Polyaromatic Hydrocarbons in PM10 Particles Collected from Meat Charbroiling  

Seo, Young-Hwa (Department of Environmental Health, Suwon Science College)
Ko, Kwang-Youn (Natural Sciences, Ajou University)
Jang, Young-Kee (Department of Environmental Engineering, University of Suwon)
Publication Information
Journal of Korean Society of Environmental Engineers / v.32, no.2, 2010 , pp. 155-164 More about this Journal
Abstract
Emission from biomass combustion such as meat charbroiling is an important source of organic aerosol. Since source profiles are necessary input profiles for source apportionment of aerosol by a chemical mass balance model, meat cooking organic source profiles are developed by measuring organic marker compounds, including palmitic acid, stearic acid, oleic acid and cholesterol as well as PAH compounds. Emissions from meat and pork charbroiling are collected on quartz filters with a PM10-high volume sampler, extracted with organic solvents, derivatized with diazomethane/TMS and analyzed by GC/MS isotope dilution method. Organic and elemental carbon are also analyzed by an OCEC analyzer. Wt.% of cholesterol to the organic carbon(OC) content from beef and pork charbroiling is only 0.056 and 0.062, but wt. % of all saturated fatty acids to the OC content from beef and pork charbroiling is 2.727 and 2.022, and the wt% of all unsaturated fatty acids to the OC content is 0.278 and 0.438, respectively. Content of total PAH compounds to the OC content from beef charbroiling is higher than that from pork charbroiling, and those are 0.116 wt% and 0.044 wt%. Among PAH compounds benzo(a)pyrene as a single compound is account for 0.0071 wt% and 0.0023 wt% of OC content from beef and pork charbroiling. Ratios of marker compound to cholesterol are calculated, and those values are in good agreement with the values already reported at the food cooking emission, indicating that they can be used as organic source profiles for the apportionment of organic aerosol.
Keywords
Meat Cooking Smoke; Organic Source profile; Cholesterol; Fatty acids;
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