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  • Title: Quantification of polycyclic aromatic hydrocarbons and phthalic acid esters in deodorizer distillates obtained from soybean, rapeseed, corn and rice bran oils.
    Author: Shi L, Zheng L, Liu R, Chang M, Huang J, Jin Q, Wang X.
    Journal: Food Chem; 2019 Mar 01; 275():206-213. PubMed ID: 30724189.
    Abstract:
    In this study, simple GC-MS methods for analysising sixteen PAHs and seven PAEs were individually established. The LOQs for PAHs and PAEs were ranging from 0.18 to 0.42 μg/kg and 0.19 to 1.50 μg/kg, respectively. The recoveries for DD samples were in the range of 84.8-115.5% and 84.2-109.3% for PAHs and PAEs, respectively. Furthermore, PAHs and PAEs concentrations in soybean, rapeseed, corn and rice bran oil distillates were evaluated. PAHs were found in all the DD samples and the concentrations of BaP, PAH4 and total PAHs were 0.89-55.58, 8.11-326.07 and 115.77-966.40 μg/kg, respectively. Correspondingly, total PAEs concentrations ranged from 2.45 to 24.52 mg/kg, and the mean value was 7.76 mg/kg. The results illustrated that the contents of PAHs and PAEs in the DDs were extremely higher than those in the edible oils, thus indicating that specific issues should be considered in the vegetable oil DDs and DD-based products.
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