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Title: Chemical composition and pH value of rainbow trout (Oncorhynchus Mykiss) and river trout (Salmo trutta fario) meat grown in fi sh ponds
Authors: Beličovska Katerina, Beličovska Daniela, Pejkovski Zlatko, Uzunoska Zora
Keywords: trout, meat, pH, chemical composition
Issue Date: 2015
Publisher: Institut za higijenu i tehnologiju mesa, Beograd
Source: Katerina Belichovska, Daniela Belichovska, Zlatko Pejkovski, Zora Uzunoska. Chemical composition and pH value of rainbow trout (Oncorhynchus mykiss) and river trout (Salmo trutta fario) meat grown in fish ponds. Meat Technology, 2015, 56 (1): 75-80.
Journal: Tehnologija mesa
Abstract: S u m m a r y: pH value, basic chemical composition (water, proteins, fats and ash) as well as energy value of rainbow (standard and golden type) and river trout meat were investigated. The fi sh have been grown and fed in the same way in two different ponds with pure spring water. Chemical composition was determined by standard methods. pH value was measured using pH meter by direct inserting the combined probe into the comminuted and homogenized meat, being kept for 24 hours in refrigerator (2–4°C), according to standard ISO method. It was found that pH value of the standard rainbow type, golden rainbow type and the river trout meat was 6.36, 6.40 and 6.33, respectively. Meat from standard rainbow trout contained 75.92% water, 19.35% proteins, 2.53% fat, 1.14% ash and 430.62 kJ/100 g, compared to the golden rainbow type of trout containing 74.68%, 19.37%, 3.57%, 1.24% and 471.20 kJ/100g, respectively. The values for the above mentioned items in river trout meat were 75.76%, 19.39%, 2.44%, 1.30% and 427.88 kJ/100 g, respectively. The differences in water, fat content and the energy value of meat between golden rainbow trout and the other two trout types were signifi cant (P <0.05).
Appears in Collections:Faculty of Agricultural Sciences and Food: Journal Articles

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