HPLC and LC-MS/MS methods for determination of sodium benzoate and potassium sorbate in food and beverages: Performances of local accredited laboratories via proficiency tests in Turkey

被引：71

作者：

Goren, Ahmet C. ^{[1
]}

Bilsel, Gokhan ^{[1
]}

Simsek, Adnan ^{[1
]}

Bilsel, Mine ^{[1
]}

Akcadag, Fatma ^{[1
]}

Topal, Keyser ^{[1
]}

Ozgen, Hasan ^{[2
]}

机构：

[1] TUBITAK UME Natl Metrol Inst, Grp Chem, TR-41470 Gebze, Turkey

[2] Zivak Technol, TR-34400 Istanbul, Turkey

来源：

FOOD CHEMISTRY | 2015年 / 175卷

关键词：

HPLC-UV; LC-MS/MS; Sodium benzoate; Potassium sorbate; Food additives; Ketchup; Orange juice; Proficiency testing; Method validation; Uncertainty budget; SORBIC ACIDS; PRESERVATIVES;

D O I：

10.1016/j.foodchem.2014.11.094

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

High Performance Liquid Chromatography LC-UV and LC-MS/MS methods were developed and validated for quantitative analyses of sodium benzoate and potassium sorbate in foods and beverages. HPLC-UV and LC-MS/MS methods were compared for quantitative analyses of sodium benzoate and potassium sorbate in a representative ketchup sample. Optimisation of the methods enabled the chromatographic separation of the analytes in less than 4 min. A correlation coefficient of 0.999 was achieved over the measured calibration range for both compounds and methods (HPLC and LC-MS/MS). The uncertainty values of sodium benzoate and potassium sorbate were found as 0.199 and 0.150 mg/L by HPLC and 0.072 and 0.044 mg/L by LC-MS/MS, respectively. Proficiency testing performance of Turkish accredited laboratories between the years 2005 and 2013 was evaluated and reported herein. The aim of the proficiency testing scheme was to evaluate the performance of the laboratories, analysing benzoate and sorbate in tomato ketchup. (c) 2014 Elsevier Ltd. All rights reserved.

引用

页码：273 / 279

页数：7

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