Kinetics of Extraction of Vanillic Acid from Pumpkin Seeds
Kinetika ekstrakcije vanilinske kiseline iz semena bundeve
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Author
Mitic, Milan
Maskovic, Pavle
Miletic, Nemanja
Mitic, Snezana
Kocic, Gordana
Keywords
kinetic of extractionpumpkin seeds
vanilic acid
hyperbolic model
kinetika ekstrakcije
seme bundeve
vanilinska kiselina
hiperbolni model
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In this sdudy, the extraction of vanillic acid from pumpkin seeds, using the maceration process, were investigated. The influence of temperature (25-45oC) and time (10-100 min) on the content of vanillic acid in extracts was confirmed. Based on the experimental results of the extraction of kinetics, a modeling of pumpkin seeds-40% ethanol (v/v) extraction system was performed using hyperbolic model. Also, based on the average values of the RMS, SD and R2, it was found that the hyperbolic model show acceptable agreement. U ovom radu proučena je ekstrakcija vanilinske kiseline iz semena bundeve primenom postupka meceracije. Ispitan je uticaj temperature (25-45oC) i vremena (10-100 min) ekstrakcije na sadržaj vanilinske kiseline u ekstraktima. Na osnovu eksperimentalnih rezultata kinetike ekstrakcije izvešeno je modelovanje ekstrakcionog sistema seme bundeve-40% etanol (v/v) primenom hiperbolnog modela. Takođe, na osnovu srednjih vrednosti RMS, SD i R2 modelovanih i eksperimentalnih vrednosti sadržaja vanilinske kiseline, utvrđeno je da hiperbolni model pokazuje prihvatljivo slaganje.