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Journal on Processing and Energy in Agriculture
2011, vol. 15, br. 3, str. 188-190
jezik rada: engleski
vrsta rada: izvorni naučni članak
objavljeno: 27/01/2012
Primjena NIR spektroskopije za određivanje raspodjele veličine čestica saharoze
Faculty of Food Technology and Biotechnology, Zagreb, Hrvatska

e-adresa: dvalinger@pbf.hr

Sažetak

Blisko infracrvena spektroskopija (NIR) je postala važna ne-razarajuća analitička tehnika u nauci o hrani i tehnologiji. Cilj ovog istraživanja je ispitati mogućnost koriščenja NIR spektroskopije za monitoring procesa mlevenja i sortiranja različitih veličina čestica saharoze. Komercijalna saharoza mlevena je korištenjem tučka i maltera da se dobiju različite veličine čestica. Frakcije različitih veličina čestica u rasponu od 10 μm do 1000 μm dobivene sitenom analizom i praćene su u bliskom infracrvenom opsegu od 899 - 1699 nm. Analiza spektra primenom analize glavnih komponenata (PCA) za grupirane uzorke otkrila je da je moguće pratiti različite veličine čestica saharoze omogučujući korišćenje NIR za on-line monitoring procesa mlevenja saharoze.

Ključne reči

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