The functional features of production of sour-milk product with gluten-free flour


Keywords: fermented milk product, milk and flour mixture, fermentation, titrated acidity, organoleptic evaluation.

Abstract

The work substantiates the choice of leaven in order to produce a sour milk product with the most desirable organoleptic characteristics. As a result of the study, the fermentation for yoghurt of Chr. Hansen (Denmark) was selected. These studies determines the choice of scientifically proven methods of fermentation of the following samples. Organoleptic analysis of four samples of dairy products with gluten-free flour was carried out. It was shown that the consistency in each sample was homogeneous and estimated by the tasting commission at 5 points. It was established that the color and smell of samples of the dairy product directly depends on the type of introduced gluten free flour. It is shown that the color in the first and the third samples is estimated at 4 points. The second sample was slightly inferior and was estimated at 3.7 points. The highest score (4.8) was the fourth sample of buckwheat and rice-corn flour. The taste of pure sour milk was present in all abovementioned samples. It was found that the content of buckwheat flour in the first and the second samples gave the product an excessive taste of “porridge”. The taste of corn flour was distinguishedly felt in the third sample. It was shown that the first three samples yielded the optimum taste of the fourth to 0.6–1.9 points. It was found that the most balanced is the sour milk sample of the product with buckwheat and rice-corn flour. All organoleptic characteristics were distributed evenly in it. A new technological approach was developed in preparation of the milk-flour mixture to the fermentation. The model of technological process of manufacturing of sour milk product with gluten-free flour is made, which allows to develop technological stages of product production with functional additives. The influence of technological parameters and prescript components on the organoleptic parameters of the dairy product has been established. It was shown that the fermentation of the selected sample proceeds for 8 hours at a temperature of 43 ± 2 °С. The product is cooled to a temperature of 18 °C before aseptic packaging. It is recommended to store the ready gluten-free dairy product for 14 days at a temperature of 4–6 °C. Studies conducted show that the developed formula of sour-milk product can be recommended for the production of dairy enterprises.

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Published
2019-04-23
How to Cite
Bolgova, N. (2019). The functional features of production of sour-milk product with gluten-free flour. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Food Technologies, 21(91), 25-28. https://doi.org/10.32718/nvlvet-f9105