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Постійне посилання колекціїhttps://dspace.nuft.edu.ua/handle/123456789/7522
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Документ Effects of protein and carbohydrate ingredients on colour of baked milk products(2024) Mandiuk, Olena; Lohinova, Anna; Arsenieva, Larisa; Petrusha, Oksana; Polishchuk, GalynaIn the CIE Lab system, only the coordinates “a” and “b” should be used to characterize the color change of milk of 2.5% fat and cream of 10% fat during heat treatment at 95–97 ⁰C for 160–180 min, as the L indicator (light level) is not sufficiently informative. According to the selected coordinates, rational ranges were established as a criterion for the completeness of the Maillard reaction for baked milk and cream, in particular for coordinate “a” in the range from 1.5 to 2.0 units, for coordinate “b” from 11.5 to 13.0 units. The application of whey protein concentrate, hydrolysed demineralized whey concentrate, and glucose-fructose syrup, which contain monosaccharides and proteins, significantly enhanced the Maillard reaction. The recommended values for color coordinates of cream with milk protein and carbohydrate ingredients were achieved during the simmering process. For cream with whey protein concentrate, this occurs at a minimum of 21 min; for cream with hydrolysed whey concentrate at a minimum of 28 min, and for cream with glucose-fructose syrup and whey protein concentrate at a minimum of 18 min. The samples with whey protein concentrate and glucose-fructose syrup, including those one with whey protein concentrate, showed an excellent level of quality in terms of sensory characteristics after 20 min, while the sample with hydrolysed whey concentrate demonstrated this after 30 min of simmering. These results correlated with the rational duration of cream simmering to achieve the recommended degree of color. A slight decrease in acidity was observed in all cream samples during the heating process. The reduction in the duration of the simmering process of dairy products with simultaneous achievement of recommended color characteristics will contribute to a significant reduction in heat energy consumptionДокумент Assessment of color of meat using the method of computer colorimetry(2016) Petrusha, Oksana; Niemirich, OleksandraIn the article is considered a possibility to use the accessible modern digital technique: flatbet scanners, digital photocameras and web-cameras for determination of color of foodstuff. У статті розглядається можливість використання доступної сучасної цифрової техніки: планшетних сканерів, цифрових фотоапаратів та веб-камер для визначення кольору харчових продуктів.Документ Exploring the color of plant powders using computer colorimetry(2016) Niemirich, Oleksandra; Petrusha, Oksana; Vasheka, Oksana; Trofimchuk, Lyudmila; Myndrul, NataliaThe results of the determination of the colour of vegetable powders from vegetables and fruits using modern digital technology. The values of the colour coordinates of powders in dry and reconstituted species, as well as in prepared dishes, are determined. The prospects for using the methodology for determining the color of raw materials, semi-finished products and finished products for quality control of production are justified.