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

• Autorzy: Petanovska-Ilievska B. , Velkoska-Markovska L. , Jankulovska M.

Identyfikatory

DOI

10.1556/1326.2017.29.3.05

• 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.

Słowa kluczowe

EN

RP-HPLC method; sodium benzoate; potassium sorbate; UV detection; beverages

• Wydawca: University of Silesia in Katowice ; Akademiai Kiado
• Czasopismo: Acta Chromatographica
• Rocznik: 2017
• Tom: Vol. 29, no. 3
• Strony: 345--358
• Opis fizyczny: Bibliogr. 32 poz., rys.

Twórcy

autor

Petanovska-Ilievska B.

• 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

autor

Velkoska-Markovska L.

• 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

autor

Jankulovska M.

• 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

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).