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Development of reverse-phase high-performance liquid chromatography method for simultaneous determination of sodium benzoate and potassium sorbate in beverages

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Reverse-phase high-performance liquid chromatography (RP-HPLC) method for simultaneous determination of sodium benzoate and potassium sorbate in beverages was developed using high speed column. The simple and rapid reverse-phase method for quantitative determination of both preservatives was established on LiChroCART® Purospher STAR RP-18e (30 mm × 4 mm; 3 μm) column, mobile phase consisted of acetonitrile-phosphate buffer (pH = 3.5) in volume ratio of 8:92 (v/v), flow rate of 1 mL min−1, ultraviolet (UV) detection at 195 nm for sodium benzoate and 260 nm for potassium sorbate, and constant column temperature at 25 °C. Linearity, precision, accuracy, limit of quantification (LOQ), and limit of detection (LOD) were tested for method validation. Linearity range for sodium benzoate was 6.04–200.27 mg L−1 (R2 = 0.999) while, for potassium benzoate (R2 = 0.999), 12.19–406.36 mg L−1. The RSD values ≤1.03% demonstrate excellent intra-day precision. LOD for sodium benzoate and potassium sorbate was 0.004 and 0.003 mg L−1, while LOQ was 0.012 and 0.009 mg L−1, respectively. This method was applied for quantitative determination of investigated preservatives in beverages which were taken from Macedonian markets.
Rocznik
Strony
345--358
Opis fizyczny
Bibliogr. 32 poz., rys.
Twórcy
  • Faculty of Agricultural Sciences and Food, Ss. Cyril and Methodius University in Skopje, Blvd. Aleksandar Makedonski nn, P. O. Box 297, 1000 Skopje, Republic of Macedonia
  • Faculty of Agricultural Sciences and Food, Ss. Cyril and Methodius University in Skopje, Blvd. Aleksandar Makedonski nn, P. O. Box 297, 1000 Skopje, Republic of Macedonia
  • Faculty of Agricultural Sciences and Food, Ss. Cyril and Methodius University in Skopje, Blvd. Aleksandar Makedonski nn, P. O. Box 297, 1000 Skopje, Republic of Macedonia
Bibliografia
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  • [2] N.J. Russell and G.W. Gould, Food Preservatives, Kluwer Academic/Plenum Publishers, New York, 2003, pp. 14–2
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  • [9] European Parliament and Council Directive No. 95/2/EC on food additives other than colours and sweeteners, 2005
  • [10] Republic of Macedonia Ministry of Health, Regulation on additives that can be used for food production (in Macedonian), Official Gazette of Republic of Macedonia, 2005, p. 118
  • [11] S. Sohrabvandi, H. Vesal, A.M. Mortazavian, and A.R. Mohammadi, Orient. J. Chem., 31, 2231 (2015)
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  • [21] R.M. Mickey, O.J. Dunn, and V.A. Clark, Applied Statistics, Analysis of Variance and Regression, 3rd edn., Wiley-Interscience, A John Wiley & Sons, Virginia, 2004, pp. 33–69
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Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d66622be-3fd8-4846-89b9-4f5c8b03c8c0
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