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Chickpea (Cicer arietinum L.) is rich in protein and has a balanced amino acid profile. However, its characteristic bean flavor limits its use as a functional food ingredient. Microwave treatment may help to solve this problem. The research objective was to select the optimal parameters of microwave treatment to obtain chickpea samples with no bean flavor and to study their chemical composition. The study featured chickpeas of the Volzhanin variety. The experimental samples were processed in a microwave oven with a magnetron frequency of 2450 MHz at different power and time values. The protein tests, the analysis of amino acid profile, and the sensory assessment involved standard research methods. The microwave processing loosened the consistency of chickpeas and eliminated the bean flavor after 5–6 min at 200 W or 3 min at 400 W. A longer treatment time resulted in a peanut flavor followed by bitterness. The microwave treatment reduced the mass fraction of protein and the amount of essential amino acids. This process could be slowed down by increasing the power of microwave radiation and reducing the processing time. However, the intensification had a negative effect on the content of arginine, methionine, and tyrosine in chickpea protein. The results obtained can make it possible to use chickpeas as a functional food ingredient.

Background: Controversial approaches to studying the effect of proteins of various origins on the functional parameters of human skeletal muscles have led to the erroneous opinion that plant-based protein is a lesser stimulator of muscle mass growth and muscle strength than animal protein. Therefore, the purpose of this systematic review was to actually evaluate the effects of plant and animal protein intake on muscle mass and strength through studies comparing protein supplements.Methods: Literature search was carried out in the databases PubMed, Research Gate and the database of the Russian State Library. Studies were considered both in English and in Russian, over the past 20 years, filtered by date: from July 2002 to July 2022. Inclusion Criteria: Participants are healthy men and women over 18 years of age; taking protein supplements from plant products (soy, wheat, pea, rice, etc.); comparison with a group taking protein supplements from animal products (whey, beef, egg, etc.); studies assessed lean and/or muscle mass and assessed participants' muscle strength before and after supplementation; randomized controlled trial.Results: A total of 970 studies were found. After initial screening for title and abstract, 938 studies were excluded. Of the 32 publications selected, 5 duplicates were excluded, and after a secondary selection, 18 studies that did not meet the PICOS criteria were excluded. As a result of the search and selection, the review included 9 publications.Conclusions: Athletes and active individuals who prefer to consume plant-based protein products may not be inferior in terms of muscle strength and muscle mass to those athletes who prefer animal-based protein products. To further explore this topic, more randomized controlled trials should be conducted, taking into account the requirements for standardization and with a large number of participants.Registration: PROSPERO 2022 CRD42022345245

Providing senior citizens with specialized gerontological products is one of the most important tasks of the contemporary food industry. The research objective was to develop targeted functional foods for elderly population based on the peculiarities of their metabolism. The new products included raw materials with a low glycemic index and a high protein content but a low fat and carbohydrate content, e.g., lentil, pea, and barley flour. Kelp powder served as a source of iodine. The content of proteins, fats, and carbohydrates was studied by infrared spectroscopy using a Spectastar 2500 analyzer. Vitamins, minerals, and trace elements were measured by classical and modern analysis methods. The research also included a sensory evaluation of the new cereals and cereal products. As for the basic nutrients, the protein content was 20.96–24.33 g/100 g, fat – 3.36–3.49 g/100 g, carbohydrates – 45.07–47.10 g/100 g, energy – 327–333 kcal/100 g. One portion (150 g) satisfied the recommended daily intake of proteins by 18.0%, fats – by 2.9%, carbohydrates – by 9.1%, dietary fiber – by 30.5%, and energy – by 9.13%. The new products had a good nutritional value and were rich in protein, dietary fiber, vitamins, and micro- and macro-elements, e.g., iodine. The new cereals and cereal products can also be used in diets for senior patients with comorbid pathology.

Contemporary human diet is poor in proteins. Therefore, the modern food science should find new sources of high-grade protein. The bracken fern is rich in proteins can be an unconventional solution to this problem. The research objective was to study the protein contents of Pteridium aquilinum (L.) Kuhn, which grows on the territory of the Krasnoyarsk Region. The study featured Pteridium aquilinum (L.) Kuhn harvested in several districts of the Kozulka, Kuragino and Shushenskoye districts Krasnoyarsk Region in May 2021. Spectrophotometry and chromatography were used to assess the proteins and amino acids, respectively. The protein content in the dried fern samples ranged from 24 to 27%. All the samples contained fifteen amino acids, including seven essential ones, mostly represented by phenylalanine+tyrosine (2.17 g/100 g of protein). Glutamine was the dominating essential amino acid (4.98 g/100 g of protein). The score of all the essential amino acids was more than 100%. The limiting amino acid was represented by methionine+cystine. From the total of fifteen amino acids, twelve belonged to various classes of aliphatic amino acids, one – to aromatic amino acids, and two – to heterocyclic amino acids. In terms of biological value, the samples collected in the Kuragino district surpassed those from the Kozulka and Shushenskoye districts because they had a lower value of amino acid score difference coefficient (78) and the highest value of coefficient of amino acid utility (0.55). The index of essential amino acids for all the fresh fern samples ranged from 1.04 to 1.1, which indicates a greater value of the total of essential amino acids than in the reference protein. The qualitative and quantitative composition of amino acids of the bracken fern in the Krasnoyarsk Region showed that it can be used in food industry as an additional source of protein.

The content of the article is closely related to the fact that all modern society promotes a healthy lifestyle. Meat products are of particular importance for this concept-proper nutrition is also considered. Poultry meat is used as the main source of raw materials in the production of product formulations, as well as lentil flour as vegetable protein. During the study, it was found that when using protein raw materials from lentils, the stability of meat emulsions increased, and the proportion of fat decreased, and the proportion of protein in the products increased, which ensured a decrease in cholesterol and the overall energy value of the products. At the same time, the amino acid composition of the products is balanced, the consistency improves, and the yield increases. In the course of laboratory studies, the mass fraction of protein, fat, carbohydrates, moisture and nitrites in the proposed product was determined. A sample of the product with lentil flour was formed, which underwent organoleptic examination.

The industry of sport nutrition is actively developing worldwide and includes a wide range of functional products. Healthy lifestyle is being actively promoted, hence the development of new types of products for athletes. Protein mixtures and amino acid complexes occupy a leading position in this market sector. Nutrition plays an important role in physical training, since athletic activity requires a lot of energy and causes neuro-psychological stress. A standard diet cannot meet the needs of athletes, so this group of people uses fortified foods and biologically active food supplements. Today, sport nutrition is widely represented on the shelves of mass markets. However, most of the products are imported. The qualitative composition of the protein is important in determining its suitability for human diet. Products of animal origin have been a traditional source of protein in the diet and, despite its balanced amino acid composition, still have several disadvantages. Plant sources of protein have recently attracted the interest of scientists and nutritionists. Such products possess sufficient biological potential and are more affordable for production and processing. Oats is actively used in the food industry due to its beneficial properties. The present paper features the biological potential of the curd product fortified with an oat protein concentrate and its role in sport nutrition. The paper introduces a new technology for the production of a curd product fortified with an oat protein concentrate. The finished product contains 23.5% of protein and all essential amino acids, which meets the requirements of sport nutrition. A comparative analysis of the content of amino acids in popular sport nutrition products and the developed curd product proved the competitiveness of the latter. Its biological potential appeared to be not inferior to the characteristics of popular commercial products. The curd product fortified with an oat protein concentrate demonstrated a balanced amino acid, vitamin, macro, and microelement composition, which makes it possible to recommend it as a functional food product for people who are actively involved in sports.

The main sources of vegetable protein are seeds of legumes and oilseeds, which differ as by total content as by the quality. One of the least expensive and most rapid method of assessing the quality of protein is a chemical method, based on a comparative analysis of its amino acid composition, in particular, essential amino acids (EAA), and "ideal" protein. A widespread indicator of the proximity of the protein to the ideal is the minimum period, which shows how much of it can be used by the body for plastic needs (the main exchange and ensuring of body weight gain). Obviously, the more of this (convertible) protein in the product, the better (but not more than the daily value). One of the methods of obtaining a grain product with an increased convertible protein is blending, i.e. mixing in a certain proportion of different types of protein raw materials. In this case, the content of the converted mixture may be greater than in the components, and the excess less. The article presents a methodology for calculating the proportion of convertible protein in the product, as well as a new approach to the formation of effective mixtures. On the basis of this method, the results of the calculation of such mixtures on the example of a grain product with the use of collapsed white lupine, linseed cake and ginger seeds as components are shown. In all cases, there are rational proportions of the mixture, in which its convertible protein exceeds this figure in the component. The accuracy of the calculations largely depends on the accuracy of the total protein content and EAA.

The aim is to develop sausage products of a specified composition with a vegetable protein content and an antioxidant of vegetable origin, which are more resistant to oxidative deterioration processes. Proteins of vegetable origin allow people with metabolic peculiarities to get proteins in the required quantity for a normal life activity