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Journal of Agricultural Sciences
2001, vol. 46, br. 1, str. 57-69
jezik rada: engleski
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Karakteristike zrenja sira tipa Kamambera proizvedenog od mleka kod koga je obrazovan kompleks između kazeina i serum proteina
Univerzitet u Beogradu, Poljoprivredni fakultet

Sažetak

Sir tipa Kamamber proizveden je od mleka kod kojeg je zagrevanjem na temperaturi od 87°C u toku 10 minuta obrazovan kompleks između kazeina i serum proteina. Na temperaturi od 40°C dodato je 0.35% jogurtne kulture, 400 mg/1 CaCl2, suspenzija Penicilium candidum i sirilo. Zrenje sira je bilo na temperaturi od 10°C, pri relativnoj vlažnosti od 90-95%, u vremenu od 20 dana. Sadržaj azota u surutki iznosio je 0.0651% i bio je manji u odnosu na surutku koja se dobija pri tradicionalnoj proizvodnji sireva, što je imalo za posledicu i veći randman. Najdublje promene za vreme zrenja odvijale su se na proteinima. Nakon 20 dana zrenja sadržaj rastvorljivog azota u ukupnom azotu iznosio je 83.97% i bio 8.76 puta veći u odnosu na prvi dan zrenja. Kao rezultat izraženih proteolitičkih procesa i pH vrednost sira se permanentno povećavala. Na kraju ispitivanog perioda zrenja pH vrednost sira je iznosila 5.82. Senzorne karakteristike sira (ukus, miris, konzistencija) bile su karakteristične za ovu vrstu sira.

Ključne reči

camembert; casein-whey proteins complex; ripening; soluble nitrogen; acidity

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