RESEARCH OF THE INFLUENCE OF THE FOOD ADDITIVE "MAGNETOFOOD" ON THE QUALITY INDICATORS OF WHIPPED CONFECTIONERY PRODUCTS
The results of the influence of the food additive "Magnetofood" on the quality indicators of whipped confectionery in the technologies of curd dessert and white-pink marshmallow (organoleptic characteristics, density, mechanical strength, effective viscosity, degree of overrun and volume kinetics during storage) are presented. It was found that the introduction of the additive "Magnetofood" into the prototypes of cottage cheese desserts and white-pink marshmallows (on agar and pectin) in an amount from 0.1 % to 0.2 % to the mass of the recipe mixture in comparison with the control improves the structure, texture and external type of whipped products; the distribution function of air bubbles by diameter is narrow and symmetric, the diameter d = (45 ... 50) 10-3 m is a fundamental factor indicating the stabilizing effect of nanoparticles of the food additive "Magnetofood". It was found that with an increase in the mass fraction of the food additive "Magnetofood", the following increases (compared to the control): in curd desserts - the maximum shear stress by a factor of (1.18 ... 1.3) and the thixotropy coefficient by 1.26 times; in white-pink marshmallows - the strength of the foam structure is (1.1 ... 1.2) times and the effective viscosity of the marshmallow masses is (1.35 ... 1.55) times (which has a positive effect on the texture of the product and the extension of the period preservation of the freshness of finished products); as well as in marshmallow masses, they decrease: density by (1.12 ... 1.15) times and the duration of whipping by (1.5 ... 2.5) 60 s. The rational content of the additive "Magnetofood" in the recipes of curd dessert and marshmallow of white-pink marshmallow was determined – 0.15 % to the mass of the recipe mixture. The prospects of using "Magnetofood" as an improver and stabilizer of polyphase foam-like structures have been determined
Object of research: production technology of cottage cheese desserts and white-pink marshmallows (on agar and pectin).
Investigated problem: obtaining stable polyphase food systems, in particular, a foam-like structure, with a deviation of the quality indicators of raw ingredients and technological parameters in production conditions.
Main scientific results: a deterioration in the quality of cottage cheese desserts and marshmallow products was revealed with a deviation of the physicochemical parameters of raw ingredients (in particular, cottage cheese, pectin, agar) and possible ranges of deviations of the initial values of the process parameters (temperature conditions, duration of whipping and gelation) leading to a deterioration the quality of finished products in terms of the following indicators: organoleptic characteristics, physicochemical, microbiological and functional and technological properties, shelf life. It is shown that improving the technology and increasing the stability of the polyphase structure of foam-like food products can be achieved by introducing a food additive of complex action "Magnetofood". In particular, due to the structure-forming, stabilizing, water-retaining and bacteriostatic properties of the Magnetofood additive. As a result of the introduction of 0.15 % food additive "Magnetofood" into the recipe for cottage cheese dessert and white-pink marshmallow, the following improves: organoleptic, structural-mechanical and physical-chemical indicators; structure, consistency and appearance of the whipped product; storage periods are extended.
The area of practical use of the research results: food enterprises specializing in the production of whipped products (fermented milk desserts, pastel-marmalade products, sambucs).
Innovative technological product: technology for the production of cottage cheese dessert and marshmallow white-pink (on agar) and (on pectin) using the food additive "Magnetofood".
Scope of application of the innovative technological product: food industry, restaurant enterprises.
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