Abstract：
:In this paper, a novel chemiluminescence (CL) method has been developed for the determination of propyl gallate (PG). The proposed method was based on the enhancing effect of PG on the CL signal of 2-phenyl-4,5-di(2-furyl)-1H-imidazole (PDFI) and K3Fe(CN)6 reaction in an alkaline solution. Under the optimum conditions, the enhanced CL intensity was linearly related to the concentration of PG. The linear range of the calibration curve was 0.05-8 μg/mL, and the corresponding detection limit (3σ) was 0.036 μg/mL. The relative standard deviation for determining 1.0 μg/mL PG was 2.8% (n=11). The proposed method has been successfully applied to the determination of PG in edible oil. The edible oil samples were prepared by the solid-phase extraction (SPE) with a C18 column served as the stationary phase. Furthermore, the possible CL mechanism was also discussed briefly based on the photoluminescence (PL) and CL spectra.
journal_name
Food Chemjournal_title
Food chemistryauthors
Kang J,Han L,Chen Z,Shen J,Nan J,Zhang Ydoi
10.1016/j.foodchem.2014.03.042subject
Has Abstractpub_date
2014-09-15 00:00:00pages
445-50eissn
0308-8146issn
1873-7072pii
S0308-8146(14)00433-6journal_volume
159pub_type
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