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Food and Feed Research
2015, vol. 42, br. 2, str. 147-154
jezik rada: engleski
vrsta rada: originalan članak
objavljeno: 05/01/2016
doi: 10.5937/FFR1502147M
Ispitivanje mogućnosti peletiranja jabučnog tropa i kvaliteta proizvedenih peleta
aInstitut za primenu nauke u poljoprivredi, Beograd
bInstitut za prehrambene tehnologije, Novi Sad

e-adresa: mmaslovaric@ipn.co.rs

Projekat

Istraživanje savremenih biotehnoloških postupaka u proizvodnji hrane za životinje u cilju povećanja konkurentnosti, kvaliteta i bezbednosti hrane (MPNTR - 46012)

Sažetak

Jabučni trop predstavlja sporedni proizvod koji ostaje nakon presovanja jabuka u tehnološkom procesu proizvodnje soka. Direktno odlaganje jabučnog tropa na deponijama ili zemljištu predstavlja ekološki problem, s obzirom da je trop kao organski materijal, sa visokim sadržajem vlage i šećera, pogodan medijum za razvoj mikroorganizama. Jedan od načina daljeg iskorišćenja ovog sporednog proizvoda je njegova upotreba u ishrani životinja. Budući da je jabučni trop u svežem stanju nestabilan i podložan kvarenju, neophodno je izvršiti njegovo konzervisanje, odnosno prevođenje u formu u kojoj se ovo potencijalno hranivo može čuvati u dužem vremenskom periodu. Cilj ovog istraživanja bilo je ispitivanje mogućnosti prevođenja jabučnog tropa u stabilan oblik primenom tehnološkog procesa peletiranja, kao i ispitivanje kvaliteta dobijenih peleta. Jabučni trop u obliku peleta bio bi prihvatljiviji kao sirovina u industrijskoj proizvodnji hrane za životinje, sa stanovišta stabilnosti, lakšeg rukovanja i skladištenja. Neposredno pre procesa peletiranja, osušeni jabučni trop podeljen je u tri šarže u koje su tretirane samo dodavanjem vode, radi postizanja različitog početnog sadržaja vlage, odnosno 10% vlage u prvoj, 13% vlage u drugoj i 16% vlage u trećoj šarži. Na osnovu izmerenih vrednosti indeksa otpornosti, tvrdoće i nasipne mase peleta, može se zaključiti da je postignut veoma dobar kvalitet peleta kod sve tri šarže. Povećanje sadržaja vlage dovelo je do smanjenja potrošnje energije u procesu peletiranja, čime je omogućena ušteda energije. Proces peletiranja doveo je i do značajnog smanjenja nasipne mase jabučnog tropa.

Ključne reči

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