EFFECTS OF STORAGE CONDITIONS ON FATTY ACID COMPOSITION OF YOGURT

Arapcheska, Mila and Dimovski, Maja and Hajrulai-Musliu, Zehra and Uzunov, Risto (2017) EFFECTS OF STORAGE CONDITIONS ON FATTY ACID COMPOSITION OF YOGURT. In: 3rd INTERNATIONAL SYMPOSIUM FOR AGRICULTURE AND FOOD, 18-20 October 2017, Ohrid, R. Macedonia.

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Abstract

Food packing is very important process in food industry. It prevents or delay undesirable changes to the appearance, flavor, odor and texture of food. Selection of the most appropriate product packaging is based on the knowledge of the food chemistry and microbiology of the product, the environmental conditions that it will encounter from production to consumption and how this affects interactions between the packaging and the food. The aim of this work was to analyze the effects of storage conditions on fatty acid composition of yogurt stored at different conditions. The yogurt samples were grouped into groups according the storage temperature (samples stored at +4°C and at room temperature). Samples for analysis were taken on each 7th day during the period of 28 days. Samples were packed in the same type of packing material-plastic packing. In the analysis of yogurt samples the following parameters were examined: fat content, dry matter content and acidity. Changes of fatty acids composition in samples stored at different temperature (+4°C and room temperature) were analyzed by gas chromatography. Also microbiological safety of yogurt samples was analyzed. The obtained results in this study did not shown significant differences (p<0.05) in the fatty acids compositions between yogurt samples stored at +4°C and samples stored at room temperature. The results of analyzed parameters of yogurt samples have shown that adequate selection of type of packing material significantly contribute to the maintenance of the quality and safety of the yogurt.

Item Type: Conference or Workshop Item (Poster)
Subjects: Scientific Fields (Frascati) > Natural sciences > Biological sciences
Scientific Fields (Frascati) > Natural sciences > Chemical sciences
Scientific Fields (Frascati) > Agricultural Sciences > Veterinary science
Divisions: Faculty of Biotechnical Sciences
Depositing User: Mr Blagojce Najdovski
Date Deposited: 21 May 2019 11:36
Last Modified: 21 May 2019 11:36
URI: http://eprints.uklo.edu.mk/id/eprint/1750

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