Abstract:
:A novel ultrasound-assisted back extraction reverse micelles coupled with gas chromatography-flame ionization detection has been developed for the extraction and determination of some short chain aldehydes in different heated edible oil samples. After the homogenization of the oil samples with Triton X-100, 200 μL of methanol was added to facilitate the phase separation. The aqueous micelle phase has been separated by centrifugation, then it was treated with a mixture of H2O: CHCl3 and ultrasonic vibration, were used to effectively back-extraction of the analytes into the chloroform phase. The sedimented organic phase was obtained after centrifugation, withdrawn into the microsyringe and directly injected into the GC-FID system. The calibration graphs were linear in the range 0.05-20 mg L(-1). The limits of detection were in the range of 0.02-0.15 mg L(-1). This procedure was successfully applied for determination of propanal, butanal, hexanal and heptanal in real heated oil samples.
journal_name
Food Chemjournal_title
Food chemistryauthors
Ramezani Z,Mirzajani R,Kardani Fdoi
10.1016/j.foodchem.2015.04.112subject
Has Abstractpub_date
2015-12-01 00:00:00pages
30-6eissn
0308-8146issn
1873-7072pii
S0308-8146(15)00669-Xjournal_volume
188pub_type
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