HPLC-DAD METHOD FOR ANALYSIS OF GLYCOALKALOIDS ALPHA-SOLANINE AND ALPHA CHACONINE IN CONVENTIONAL POTATO
Irena Petrova, Violeta Ivanova-Petropolus, Liljana Koleva-Gudeva
Pagini: 312-320
Publicat: 13 Nov 2023
DOI: 10.62991/AF1996325925
Vizualizări: 482
Descărcări: 47
Rezumat: A simple and fast HPLC-DAD method has been developed for separation and quantification of two glycoalkaloids, alpha-solanine and alpha-chaconine, in potatoes. Separation of the analytes was performed on a Shimadzu Shim-pack GIST C18 column (250mm x 4mm I.D., 5μm particle size) applying isocratic elution of the mobile phase consisting of 30% (v/v) acetonitrile and 70 % KH2PO4 (20 mM and pH 6.57). The flow rate on the mobile phase was 1 mL/min and the detection of solanine and chaconine was performed on a wavelength of 204 nm. The retention time of α-solanine was 12.8 min and for α-chaconine 14.6 min. Liquid-liquid extraction of analytes was performed from dehydrated potatoes using methanol-acetic acid (95:5, v/v), followed by SPE with Sep-Pak C18 columns. Satisfactory results for the repeatability and accuracy of the method confirmed that the extraction method as well as HPLC method are appropriate for analysis of alpha-solanine and alpha- chaconine in potatoes samples.
Cuvinte cheie: alpha-solanine,alpha-chaconine, potatoes. hplc-dad
Citează acest articol: Irena Petrova, Violeta Ivanova-Petropolus, Liljana Koleva-Gudeva. HPLC-DAD METHOD FOR ANALYSIS OF GLYCOALKALOIDS ALPHA-SOLANINE AND ALPHA CHACONINE IN CONVENTIONAL POTATO. Journal of International Scientific Publications: Agriculture & Food 11, 312-320 (2023). https://doi.org/10.62991/AF1996325925
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