Expanding the range of processed cheeses using sunflower isolate
The paper presents an analysis of the literature on the expansion of the range of processed cheeses using sunflower isolate. Four samples of processed cheese with different percentage of sunflower isolate were selected for the study: control, 1st – 3 %, 2nd – 5 % and 3rd – 7 %. Analyzing the results of organoleptic evaluation, it should be noted that the organoleptic characteristics of the control and the first samples were evaluated in the same number of points. Samples two and three as a result of tasting evaluation for taste lost to the first two by 0.2 and 0.4 points, respectively. The odor of the third sample with a percentage of sunflower isolate of 5 % was not inferior to the first sample and was estimated at 0.1 and 0.2 points higher than the control and third samples, respectively. The increase in the percentage of sunflower isolate led to a deterioration in the taste of the developed samples. Therefore, the introduction into the recipe of processed cheese sunflower isolate in the amount of 3 % allowed to obtain, according to the results of organoleptic evaluation, higher results compared to other samples. The results of studies of structural and mechanical parameters of the developed samples of processed cheese with sunflower isolate suggest that the introduction of a herbal additive in the recipe increased the structural and mechanical properties. An increase in the penetration force indicates a thickening of the consistency. Compared to the control sample, this figure increased by 1.8 kN/m2. The elastic index, which characterizes the elasticity of the cheese mass of the control sample, was lower than the first by 0.6 kN/m2. The obtained results allow us to conclude that the introduction of sunflower isolate into the formulation leads to minor structural changes within the regulatory documentation. The study found that the control sample contained 11.36 % protein, and sample 1 – 11.55 %. It should be noted that the protein content has not changed significantly. Taking into account the results of the described studies, we note that the developed processed cheese with 3 % sunflower isolate meets the requirements of regulatory documentation for organoleptic and structural-mechanical parameters. The structural and mechanical characteristics of the first sample indicate that the introduction of a herbal additive into the formulation has a positive effect on penetration efforts and elasticity. However, the introduction of three percent sunflower isolate did not affect the protein content of the product.
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