Razvoj SOXROC metode za određivanje udjela ulja u uljaricama

undergraduate thesis

• Title (english): Development of SOXROC method for determining oil content in oilseeds
• Author: Karlo Videka
• Mentor: Klara Kraljić (mentor)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Food Engineering); (Laboratory for Oil and Fat Technology); Zagreb
• Defense date and country: 2023-09-14, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Food Technology

Abstract

SOXROC metoda nova je ubrzana metoda ekstrakcije ulja koja se primarno koristi za određivanje udjela ulja u prehrambenim proizvodima. Pomoću ove metode moguće je u gotovo 5 puta kraćem vremenskom periodu dobiti iste rezultate kao i primjenom standardnih metoda za ekstrakciju ulja. Cilj ovog rada bio je razviti ubrzanu metodu određivanja udjela ulja u sjemenu uljarica na SOXROC aparaturi. Za usporedbu rezultata korištena je standardna Soxhlet metoda. Rezultati su pokazali kako se smanjenjem mase uzorka te povećanjem volumena otapala, iskorištenje ekstrakcije poboljšava. Međutim, produženjem vremena ekstrakcije dobiveni su neočekivano lošiji rezultati te je također povećanjem temperature iskorištenje ekstrakcije bilo lošije. Kao optimalni parametri u ovom radu pokazali su se masa sjemena od 1 g, volumen otapala od 100 mL, temperatura od 150 °C te vrijeme ekstrakcije od 30 min vrenja i 40 min ispiranja

Abstract (english)

The SOXROC method is a new accelerated method of oil extraction, mainly used for the determination of oil content in food and feed. With this method it is possible to obtain the same results almost 5 times faster than with standard oil extraction methods. The aim of this study was to develop an accelerated method for the determination of oil content in oilseeds using SOXROC. The standard Soxhlet method was used to compare the results. The results showed that the extraction yield improved when the mass of the sample was reduced and the volume of the solvents was increased. However, increasing the extraction time surprisingly gave poorer results, and the extraction yield was also lower when the temperature was increased. The optimal parameters in this work were a seed mass of 1 g, a solvent volume of 100 mL, a temperature of 150 °C, and an extraction time of 30 min boiling and 40 min rinsing.

• Keywords: SOXROC; određivanje udjela ulja; uljana repica
• Keywords (english): SOXROC; oil content determination; rapeseed
• Language: croatian
• URN:NBN: urn:nbn:hr:159:584510
• Study programme: Title: Food Technology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka prehrambene tehnologije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka prehrambene tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-04-16 09:13:55