Abstract:
:The presence of organochlorine pesticides (OCPs) in dairy products can lead to human exposure. This study investigated the behavior of OCP residues in milk during yogurt and cheese production. Gas chromatography with electron-capture detection (GC-ECD) was used to detect α-hexachlorocyclohexane (HCH), hexachlorobenzene (HCB), γ-HCH, g-chlordane, and α-chlordane in fresh milk, yogurt, and cheese. The results showed that fermentation reduced the residual concentration of OCPs in yogurt, with processing factors (PFs) ranging from 0.42 to 0.64. The reductions in residue levels during fermentation were due to the activity of the starter. The cheese making process increased the residual concentration of OCPs in cheese compared to raw milk, with PFs ranging from 2.37 to 4.93. Additionally, milk, yogurt, and cheese samples were purchased from local markets and OCP levels were analyzed. The target OCPs ranged from ND to 16.50 μg/kg in these samples.
journal_name
Food Chemjournal_title
Food chemistryauthors
Duan J,Cheng Z,Bi J,Xu Ydoi
10.1016/j.foodchem.2017.10.017subject
Has Abstractpub_date
2018-04-15 00:00:00pages
119-124eissn
0308-8146issn
1873-7072pii
S0308-8146(17)31646-1journal_volume
245pub_type
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