ISSN 2308-4057 (Print),
ISSN 2310-9599 (Online)
Просеков Александр Юрьевич, главный редактор, доктор технических наук, профессор, член-корреспондент РАН
Просмотр профиля
Периодичность выхода:
2 раза в год
Индексация: Scopus, WOS, ВАК, РИНЦ, DOAJ

Журнал «Foods and Raw Materials»

Журнал «Foods and Raw Materials» – рецензируемый научный журнал на английском языке, освещающий широкий круг вопросов пищевой промышленности.

Приоритетной целью Журнала является распространение в мировом научном сообществе трудов ученых из России и зарубежных стран, усиление присутствия достижений представляемой ими науки на международной арене, освещение результатов перспективных направлений научно-исследовательской деятельности в пищевой промышленности и смежных отраслях.

Том 10, №2 (2022)

Digital inventory of agricultural land plots in the Kemerovo Region
Аннотация
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Cadastral and geodetic land works are expensive, which makes aerial photography extremely valuable for land traceability and inventory. The present research objective was to develop a new digital survey technology for registration of agricultural lands. We assessed the accuracy of the new method and evaluated its decision support options. The study featured the case of the Kemerovo Region (Kuzbass), Russia. The aerial survey took place in 2021 and involved 17 municipalities of the Kemerovo Region. The software and hardware complex included an unmanned aerial vehicle (UAV) and a module for aerial photography. Photogrammetric, cartometric, and satellite methods were used to define the coordinates of feature points. We developed new software (Sovhoz.avi) to perform the land inventory. The photogrammetric and cartographic methods proved efficient in determining the feature points and boundaries of land plots. They also appeared accurate enough for land inventory and decision support. The study updated the available land inventory data. About 30% of all land plots were recorded incorrectly; some plots marked as agricultural appeared to belong to the local forest reserves or urban territories. Incorrect data (1.64%) were excluded from the official inventory. The survey covered a total area of 41 000 ha and revealed 1700 illegally used land plots. The updated inventory of unused lands included 3825 new plots (163 400 ha), which can attract prospective investors. The results can be used by the local authorities to make land management decisions and identify illegal land use.
Genoprotective, antimutagenic, and antioxidant effect of methanolic leaf extract of Rhamnus alaternus L. from the Bissa mountains in Algeria
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Rhamnus alaternus L. is a Rhamnaceae shrub and a popular traditional medicine in Algeria. The present research objective was to investigate the antioxidant, genotoxic, and antigenotoxic properties of R. alaternus methanolic leaf extract. Antiradical scavenging activity was tested by α, α-diphenyl-β-picrylhydrazyl free radical scavenging and β-carotene bleaching method. DNA damage and repair were measured by the Allium cepa test with sodium azide as a mutagenic agent. Mitotic index and chromosomal aberrations were calculated by microscopy of meristem roots stained with 2% carmine acetic. The methanolic extract of R. alaternus leaves inhibited the free radical DPPH (IC50 = 0.74 ± 0.3 mg/mL) and prevented the oxidation of β-carotene (50.71 ± 4.17%). The root phenotyping showed that sodium azide changed their color and shape, decreased their stiffness, and significantly reduced their length. The roots treated with both R. alaternus leaf extract and sodium azide demonstrated a better root growth. The roots treated with the methanolic extract were much longer than the control roots (P < 0.001). The microscopy images of root meristem treated with the sodium azide mitodepressant agent showed significant chromosomal aberrations, which indicated a disruption of the cell cycle. The R. alaternus leaf extract appeared to have a beneficial effect on cytotoxicity. The antioxidant properties of R. alaternus L. makes this plant an excellent genoportector.
Ohmic heating application in food processing: recent achievements and perspectives
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Food processing is an important operation in the food industry that converts fresh foods into final products with desirable characteristics for consumption and storage. Ohmic heating is an emerging technique for food processing that seems to be a suitable alternative to conventional heat treatment. Recently, there has been a lot of research into ohmic heating applications in processing various foods. This review highlights the findings of studies conducted in 2018–2022 on the impact of ohmic heating on the physical, chemical, and sensory properties of foodstuffs during processing. We found that this technology provides more reliable process control compared to the traditional technique, namely conventional heating. Although ohmic heating has a positive effect on the quality of foods, its efficiency is limited by certain food components, including acid and fat, that markedly affect the electrochemical attributes of foods. Therefore, to achieve optimal results, ohmic heating conditions should be set in accordance with the properties of food materials. There is a need for further in-depth studies on the performance of ohmic heating in food processing on a large, rather than a lab scale.
Formulating anti-diabetic nutraceutical tablets based on edible plants from Tripura, India
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Nutraceuticals are food-based drugs that are used as dietary supplements to minimize chronic diseases. Diabetes is one of the most common chronic diseases all over the world. Recently, herbal nutraceuticals have taken a promising role in treating diabetes. We aimed to develop herbal nutraceutical tablets and evaluate its anti-diabetic activity using ob/ob mice. Five plant species were collected by field survey methods based on oral interviews with traditional healers of Tripura. The wet granulation method was applied to formulate the herbal nutraceutical tablet. Water- and fat-soluble vitamins were determined by reversed-phase high-performance liquid chromatography. Trace elements were analyzed by atomic absorption spectrophotometry. To evaluate the anti-diabetic activity of the herbal tablets, we determined serum hemoglobin, glycosylated serum protein, and oral glucose tolerance. The newly formulated herbal nutraceutical tablets provided the optimal energy level. It contained sufficient amounts of essential minerals, such as iron (74.6 ± 2.7 mg/g), sodium (4.4 ± 0.4 mg/g), potassium (5.3 ± 0.7 mg/g), calcium (163.1 ± 2.2 mg/g), magnesium (39.2 ± 1.7 mg/g), and phosphorus (14.6 ± 2.1 mg/g). We also found optimal quantities of water-soluble vitamins, such as vitamin C (27.2 ± 4.3 mg/g), vitamin B1 (0.6 ± 0 mg/g), vitamin B3 (0.6 ± 0.2 mg/g), vitamin B6 (1.1 ± 0.2 mg/g), vitamin B12 (0.6 ± 0.2 mcg/g), and folic acid (82.6 ± 7.6 mcg/g), as well as fat-soluble vitamins, such as vitamin A (287.4 ± 6.3 mcg/g), vitamin D3 (2.6 ± 0.6 mcg/g), and vitamin E (0.7 ± 0 ng/g). Finally, the herbal nutraceutical tablet (200 mg/kg) significantly improved the anti-hyperglycemic effect on ob/ob mice (type 2 diabetes), compared to the standard drug, metformin (200 mg/kg). The results suggest that the newly formulated herbal tablet may be recommended as an anti-diabetic nutraceutical drug.
Effects of spray-drying parameters on physicochemical properties of powdered fruits
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This review features different powdered fruits with optimal storage stability and physiochemical parameters. Spray-drying parameters, such as temperatures and flow rate, can affect the physical properties of powders. Carrier agents provide powders with various favorable qualities, e.g. good flow rate. Commercial spray-drying of fruit juice knows different carrier agents. The review involved scientific and methodological publications, conference papers, patents, regulatory papers, and Internet resources. They were subjected to grouping, categorization, comparative analysis, and consolidation. Inlet temperature, maltodextrin concentration, and air flow rate of spray-drying increased the powder yield but decreased the moisture content. Inlet temperature, maltodextrin concentration, and feed flow rate affected the solubility. Effects of atomization rate, air flow rate and free flow rate were assessed in terms of yield, moisture content, hygroscopicity, and solubility. The article introduces the fundamentals of spray-drying and describes the effect of each spray-drying parameter on the powder quality. The list of parameters included inlet air temperature, atomization rate, air flow, and feed flow rate. We also evaluated the impacts of various carrier agents on the powder quality. The article contributed to a better understanding of how variable parameters affect the quality of food powders. The results provide the food industry with better choice options to adopt certain parameters for specific production needs.
Volatile aroma compounds in Moskovskaya cooked smoked sausage formed in different types of casings
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Optimisation of a process for cocoa-based vermicelli
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Due to its health promoting properties owing to a high phenolic content and sensory acceptability, cocoa has gained interest as an additive of choice in many food products. The purpose of this study was to incorporate cocoa powder (CP) in vermicelli. Different proportions of cocoa powder (5, 10, 15 and 20%) were prepared by mixing it into a blend of wheat flour and rice flour (60:40) as base ingredients. The quality parameters, including nutritional characteristics, antioxidant activity, cooking and functional properties, and sensory acceptability, were studied. The nutritional profiling showed a significant (p < 0.05) increase in the protein, fat, ash, and carbohydrate alongside a significiant decrease in the moisture content. Similarly, an antioxidant activity increased significantly at p < 0.05, with the increase of cocoa powder concentration. It can be concluded that vermicelli with the 10% cocoa powder incorporated was the best treatment since it was rated as the highest in overall acceptability compared to the other formulations. The bulk density, cooked weight, cooking time, gruel solid loss, and water absorption capacity of samples with 10% cocoa powder were 0.714 g/cm3, 11.56 g, 7.21 min, 0.47 g/100 g, and 146%, respectively. The energy value of the optimised cocoa-based vermicelli was 375 kcal/100g of sample.
OBTAINING AND IDENTIFICATION OF INULIN FROM JERUSALEM ARTICHOKE (HELIANTHUS TUBEROSUS) TUBERS
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Influence of coronavirus crisis on food industry economy
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Recently, there has been a very rapid accumulation of empirical data of economic indicators of the food crisis associated with the coronavirus pandemic. The purpose of this article was to develop a set of measures aimed at minimizing the negative economic impact of the coronavirus crisis (CVC) both at the national and international levels. All these presupposed solving the following tasks. Having studied the nature of the crisis, we found out that it had the greatest impact on such components of food sector as transport, logistic chains, and human resources. We revealed that, first of all, such areas of the economy as fisheries and agricultural production of fruits and vegetables were affected by the crisis. It is obvious that it will also adversely affect small farmers, seasonal and migrant workers, etc. The work proposes the most effective public measures against the negative impact of CVC on the global economy. In particular, we examined the scenario of (possibly temporary) nationalization of operators of critical infrastructure to produce planned critical goods or services. The developed set of measures included limitation of the workers’ rights and freedoms by imposing to them labor duties, or replacing them with military ones, limiting the price of strategic goods, and organizing their consumption and distribution. Possible triggers for the implementation of such a scenario in the agricultural sector are offered, as well as mechanisms of protecting and supporting groups of economic agents affected by CVC are proposed.
Prospects for using pine nut products in the dairy industry
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Functional products are currently attracting a lot of research interest. Modern people’s diet does not satisfy their need for nutrients, vitamins and minerals, and functional products can make it more balanced. In particular, our diet is lacking in protein. This paper discusses the prospects for enriching dairy products with plant protein derived from pine nuts and their products. Pine nut paste, fat-free milk, and oil cake are a valuable source of fatty acids, vitamins, and microelements. The protein, lipid, vitamin, and mineral content of these products makes them suitable for combining with milk. Their water-holding and fat-emulsifying capacities allow their use as stabilizers and emulsifiers. Siberian pine nuts grow wild in the Kemerovo Region, which makes their use as a raw material economically feasible. The article introduces a number of functional dairy products enriched with pine nut products, such as cheese, ice cream, and cottage cheese. Further, it describes the production process and the products’ nutritional value. The chemical composition of new types of dairy products shows that using pine nut oil cake, fat-free flour, paste, and oil enriches them with plant proteins, vegetable fats, vitamins as well as macro- and microelements. Replacing dairy raw materials with plants does not reduce the nutritional value of new dairy products. Dairy foods are rich in protein, fat, and minerals. The vitamin content of new dairy products with functional ingredients is similar to that of dairy-based products. Moreover, using functional products (pine nut oil cake, fat-free flour, paste, and oil) enriches new types of dairy products with tocopherols.
Production of bioethanol from Robusta coffee pulp (Coffea robusta L.) in Vietnam
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Natural sweeteners: health benefits of stevia
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Stevia rebaudiana (Bertoni), a perennial shrub, is the sweetest plant belonging to the Asteraceae family. Stevia leaves are an excellent source of diterpene glycosides stevioside, rebaudioside A-F, dulcoside, and steviolbioside, which are responsible for sweetness and have been utilized commercially for sugar substitution in foods, beverages, and medicines. To the best of our knowledge, a large number of studies have been carried out on composition, health implications, and safety of steviol glycosides. However, commercial production of stevia-incorporated food products needs further research in order to meet the huge global demand. Stevia-incorporated products possess better sweetening potency and maximum consumer acceptability, when compared with other sugar substitutes. Hence, the current research attempts to review the health promoting effects of stevia with special emphasis on its application in the food system. The paper majorly features 1) the anti-hyperglycemic, anti-hypertensive, anti-caries, anti-inflammatory, and anti-cancer benefits of stevia, 2) value-added stevia-incorporated products, e.g. bakery, dairy, and beverages, 3) the effect of incorporation of stevia on physicochemical, rheological, and nutritional food properties, 4) the current status and regulatory perspective of utilizing stevia at national and international level. Due to legislative actions and growing consumer awareness, public interest in natural sweeteners has significantly increased. Since the use of artificial sweetener has recently been questioned, the data the present article provides will be useful for consumers and manufacturers that seek an alternative.
Effects of natural herbal extracts on hemp (Cannabis Sativa L.) oil quality indicators
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Mechanically activated hydrolysis of plant-derived proteins in food industry
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A poor consumption of important nutrients triggered a public interest in functional foods that contain easy-to-digest proteins. The present research features fractionation, mechanical activation, and enzymatic hydrolysis of pea protein. According to modern chemical methods, the protein content in the original pea biomass was 24.3% and its molecular weight distribution (MWD) was 5–135 kDa. Fractionation, or protein displacement, resulted in four fractions of biopolymers with different chemical composition, i.e. a different content of protein and carbohydrate molecules. The paper introduces some data on the enzymatic transformations of the substrate. A set of experiments made it possible to define the optimal conditions for the mechanical activation of pea biomass with proteolytic enzymes. The enzymes were obtained from Protosubtilin G3x, a complex enzyme preparation. When the substrate and the enzymes were mechanically activated together, it produced mechanocomposite, an intermediate product with increased reactivity. It increased the specific surface area by 3.2 times and doubled the crystallinity of the substrate. As a result, the rate and yield of the subsequent enzymatic hydrolysis increased from 18% to 61%. The study determined the capacity of the substrate in relation to the enzyme preparation. Under optimal conditions, the pea hydrolysis destroyed protein molecules within two hours. After four hours of hydrolysis, no changes were detected. A polyacrylamide gel electrophoresis revealed non-hydrolysed protein molecules with MW ≈ 20 kDa. Presumably, they corresponded with legumin, which is resistant to neutral and alkaline proteases. The resulting hydrolysates were spray-dried to test their potential use as a food component. The product obtained by spray-drying had a monomodal distribution of particle sizes of spherical shape with adiameter of 5–20 μm.
Effect of sodium bicarbonate residue on some characteristics of processed meat products
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Using sodium bicarbonate (SB) in cooking meat products is a controversial subject. The aim of this study was to estimate an effect of different SB concentrations on the quality characteristics and organoleptic properties of meat in Kubideh Kebab, an Iranian popular meat product. Ground meat was divided into four groups (a, b, c, and d). After that, SB was added in ratio 0.25, 0.50, 1.00, and 2.00 g/kg respectively. A sample without SB was considered as a blank sample. The Kebab samples were prepared and cooked properly at 350°C for 4–6 minutes and at 450°C for 2–4 minutes. A significant difference was observed in the pH values and the cooking loss between the blank sample and those Kebab samples that were cooked at 350°C and 450°C and pre-treated with SB in the amount of 0.25–2.00 g per 1 kg of meat (P < 0.05). The amount of residual bicarbonate ions increased significantly in the cooked Kebab samples at both treatment temperatures in the a-d group in comparison with the blank sample, as well as between the groups (P = 0.00). The organoleptic properties did not change in the a-d groups in comparison with the blank sample.