This paper offers investigation of fruit and berry fillers on the rheological properties of fermented milk drinks. The research was conducted as part of a scientific research effort. Local wild plants were used as fillers. This type of research allowed expanding the range of products at the enterprise and improving the organoleptic and nutritional properties of products. The purpose of this article is to find additional local vegetable raw materials as filler for fermented milk products. The importance of the results is that the data obtained can be used by specialists of dairy farms. During the period of coronavirus infection, when there were interruptions in the supply of raw materials, such directions it sets for future research as the development and improvement new food products by using local plant raw materials were revealed. The experimental samples of fermented milk drink from goat’s milk with various fillers (tayberry, shadberry, black chokeberry and blackcurrant). The pH of the samples were measured with a pH meter (Exspert-рН, Russia). Total solids, protein, fat, ash, and titratable acidity were determined according to the methods described by the standard method. Goat's milk is subjected to ozonization for 10 minutes at an ozone concentration of 80 mg/m3 before entering the container. The pasteurized goat milk (at 37 °C) was inoculated with freeze-dried culture bacterial starter culture (thermophilic lactic acid bacteria and bifidobacteria (Breve B 10, Bifidobacterium adolescentis B 14, Bifidobacterium adolescentis B 37) in the ratio 2:1 at 5 % inoculation level. The sensory aspects were undertaken using 10 panellists. The degree of influence of the introduced bacterial starter culture on the duration of fermentation of fermented milk beverages was studied by taking into account the rheological characteristics and structural and technological parameters. A mathematical model of the dependence of the strength and acidity of a fermented milk clot on the dose of fruit and berry fillers is constructed.
This study aimed to assess the effect of adding non-roasted and roasted amaranth flour to yogurt at a dose of 5 g per 100 mL on the approximate composition, storage stability, texture and sensory evaluation of yogurt. Yogurt without supplementation was used as control. The products were evaluated for moisture, carbohydrate, protein, fat, ash and mineral content. In order to assess the rheological properties, the following indicators of PH, acidity and syneresis of yogurts were measured after 1, 7, 15 days of storage. To analyse and evaluate such indicators of yogurts as color, texture, taste, aroma and overall acceptability, ten faculty members used a hedonistic scale. The results showed that samples with supplements were significantly higher in protein, carbohydrate and fat. Thus, the study arrived that yogurt from goat's milk could be used. However, adding more than 5 g 100 mL non-roasted amaranth flour had undesirable effect on gel stability (increasing of total acidity and syneresis). Still, adding roasted amaranth flour increased sensory properties: Improved aroma and gave a nutty taste to the finished product.
The bakery market is one of the most capacious in Kazakhstan. Manufacturers of bread products are in dire need of the introduction of intensive technologies for improving product quality and safety. This article presents the results of research to develop technology for accelerated production of bread with ion-ozone cavitation treatment. The influence of various modes of exposure to ion-ozone cavitation has been investigated. After baking, bread samples were examined for organoleptic, physicochemical, rheological and microbiological indicators. The optimal method is treatment with ion-ozone at a concentration of 0.0025 units/mg, at a pressure of 1.0 atm for 1 min. As a result, it was proved that this mode accelerates the process of obtaining dough and shortens the fermentation time, and baking bread increases the qualitative and quantitative indicators according to the control method. The results showed that the ion-ozone technology reduces the length of the process of making dough and bread by three times compared to traditional technologies. The developed products with existing analogues in the Kazakhstan market will differ due to their high taste and consumer properties, product safety, long shelf life and low cost.
Processed cheeses belong to food products of high nutritional and biological value. Bioflavonoids, which are widespread in higher plants and have a number of unique properties, are practically not found in traditional processed cheese chunks. Quercetin is most commonly found in plant flavonoids. Most studies have confirmed the following basic biological properties of quercetin: immunostimulating effect (increases the activity of phagocytes, T- and B-lymphocytes; increases the production of antibodies, reduces the manifestations of secondary immunodeficiency, the incidence of viral infections); oncoprotective effect due to a decrease in the damaging effect of oxygen radicals on the genetic apparatus; antioxidant protection; positive effect in cardiovascular diseases, etc. The cheapest, most bioavailable and frequently used plant raw materials are onions, which also contain bioflavonoids. The article explores the use of wild onions in the creation of functional processed cheese. In connection with the spread of coronavirus infection, it is necessary to strengthen the body's immunity with the help of nutrition. The experiments carried out have established the quantitative presence of flavonoids, vitamin K in processed cheese with wild onions. Inulin and saponins were found in the composition of wild onions, which also proves the advisability of using wild onions in food. The research results on the development of a technology for a new processed cheese and a method of adding wild onion filler in different variations: fresh and in the form of a powder are presented. It was found that fresh addition of Allium odorum imparts a sharp onion aroma, and when dried it imparts a slightly chalky aroma to the final product. The positive effect of the vegetable filler on the shelf life of processed cheese has been proven.
The article considers the chemical composition and properties of vegetable fillers – dill and jusay, for the development of the formulation and technology of a new type of fermented milk product. Experimental data on the composition and luminescent characteristics of the developed product are presented.
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