Determination of Benzo[a]pyrene in edible oil by surface enhanced Raman spectroscopy
Benzo[a]pyrene(BaP)is one of the most carcinogenic substances in polycyclic aromatic hydrocarbons(PAHs),which will be produced in the extraction process and usage of edible oil.Rapid screening of oil quality is significant to the food industry and government regulation.In practical testing,the complex matrix of oil samples and the intricate sample pretreatment process greatly limit detection speed.This study utilized phytic acid decorated gold(Au)and silver(Ag)nanoparticles(IP6@Au,IP6@Ag)as substrates and employed surface enhanced Raman spectroscopy(SERS)for the rapid detection of BaP in edible oils.The results demonstrate that IP6@Au exhibits high sensitivity to BaP,with a minimum detectable concentration of 0.252 μg·L-1.BaP was detected in five types of edible oil samples screened directly.The BaP detection method developed in this study holds promise for rapid screening of PAHs in edible oils and ensuring food safety and quality control.
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