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- Title
Determination of benzo [a]pyrene in edible oils by liquid chromatography - fluorescence detection with benzo [b] chrysene as internal standard.
- Authors
WANG Xiu-pin; LI Pei-wu; WANG Lin; ZHANG Wen; ZHANG Qi; GAN Dong-sheng
- Abstract
The normal - phase solid phase cleaning - reversed high performance liquid chromatography - fluorescence detection was applied for the determination of the benzo [ a ] pyrene (BaP) in edible oils. The edible oil samples were cleansed with a Plus Silica solid phase extraction cartridge. The separation was carried out on a C18 column with gradient elution. With benzo [ b ] chrysene (BbC) as the internal standard, the relative correction factor (RCF) of BaP was determined by HPLC - FLD; the BaP was determined by using BbC as the single marker. The limits of detection were 0. 01 μg/kg and 0. 03 μg/kg for BaP in edible oils and in edible fats, respectively. Recoveries of BaP in different spiked edible oils were in the range from 83% to 108%. The intra - day precision and inter - day precision were less than 7. 7% and 13. 2% respectively.
- Publication
Chinese Journal of Oil Crop Sciences, 2011, Vol 33, Issue 6, p603
- ISSN
1007-9084
- Publication type
Academic Journal