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Livestock barns are integral to modern agriculture, providing essential environments for raising animals. The air quality in these barns directly impacts livestock health, quality of production and environmental sustainability. Trends in key metrics such as gas concentrations, particulate matter levels, humidity content, and temperature can influence the overall health of livestock, barn operations, and broader ecological factors. Understanding these trends and their interrelationships is crucial for managing barn...

Plants are sources of compounds with medicinal potential, an impressive number of medicines have in their composition compounds isolated from natural sources, many of them being used since ancient times, in traditional medicine. Aromatic and medicinal plants are sources of various nutrients and non-nutritive molecules, many of which exhibit antimicrobial and antioxidant properties. V. album extracts have a complex chemical composition, some of the identified compounds being responsable for their antibacterial and ...

In this research, we studied wines from eleven wine regions of Romania (Stefanesti, Dragasani, Dealul Mare, Minis, Blaj, Babadag, Focsani, Tarnave, Silagiu, Iasi, Cotnari), but also for two years of different production (2019 and 2021), to observe their chemometric profile according to the geographical origin. The chemical composition was determined for 40 white wines and 34 red wines. The studied chemical parameters were alcohol concentration, wine density, total acidity, free and total sulfur dioxide, non-reduci...

The aim of this study was to evaluate the influence of several extraction methods on the content of bioactive compounds of polyphenolic structure and antioxidant properties of petals from marigold flowers (Calendula officinalis). Ethanolic extracts prepared using maceration, turbo-extraction and bead-beating techniques were investigated for total phenolics, flavonoids and tannins, and antioxidant activities as measured by FRAP and DPPH assays, as well. The results showed that the highest phenolic content (1316.367...

A comparative assessment of the chemical composition of amaranth green mass cultivated in 2022 and 2023 was carried out. It was revealed that the content of nitrates, tannins and phytates in the 2023 harvest exceeded these indicators compared to the 2022 harvest by 3.3, 1.4 and 4 times, respectively. The amount of oxalic acid was 16 times lower, and that of tannins did not exceed the maximum permissible concentration of 0.5%. At the same time, the content of proteins and fats decreased by 12.6 and 31.6%, respectiv...

The social significance of donkey milk for human health stems from its potential advantages for vulnerable populations, including children and those with special dietary needs. The variation in its composition throughout lactation indicates that it can be adapted to fulfil the specific nutritional demands of these groups. The focus of this paper is to investigate the chemical profile of donkey milk and the changes that occur during lactation. The study was performed on samples taken at various stages of lactation,...

Refinement of consumer preferences made the food industry to develop new products, with improved characteristics, with openness to monocomponent products. Unfortunately, the preference for this type of products leads to high costs, especially due to the packaging used. International policies, and especially European ones, are looking for solutions to eliminate the hazardous waste for the environment. The present study discusses the development of a biopolymeric material intended for the packaging of powdered drink...

In recent years, the domestic frozen bakery and pastry market has shifted towards ready-to-bake frozen products, driven by the global trend for convenience and on-the-go consumption. This study aims to analyze the quality indicators of cakes subjected to freezing to determine their shelf life and optimize freezing conditions. Four sample categories were evaluated: fresh cake (P1), cake subjected to thermal shock (P2), cake frozen for 3 months (P3), and cake frozen for 6 months (P4). Quality assessments included se...

This article presents a numerical study of the effects of changing the geometry of the turbine impeller blades on the efficiency and intensity of homogenization in a bioreactor. The mixing of liquid media is an important stage of technological processes in various industries. Modern Impellers are equipped with homogenizing devices for introducing energy into the liquid, they include hydraulic, pneumatic and mechanical devices or their combinations. Rational selection of the mixing device at the design stage is imp...

With the development of food production technologies, the consumers attention has turned to products with specific nutritional and health-promoting properties. For this necessity, today's manufacturers have turned their attention to fortified foods, and a raw material that is found in great diversity and that can be used to enrich food is represented by mushrooms. The purpose of this study consists in determining how the addition of different concentrations of crued polysaccharides extracted from mushrooms and add...

<i>Trichoderma harzianum</i> is a well-known biocontrol agent with growing interest as a multifunctional bioinoculant due to its diverse metabolic capabilities. Despite its promising potential, the transition from laboratory-scale cultivation to industrial-scale production still presents challenges, particularly in optimizing biomass and spore yield at low cost. This study focused on testing a new medium for spore/mycelium production of <i>T. harzianum</i> integrating traditional growth media with gazpacho, a toma...

This study investigates the nutritional composition and sensory characteristics of mango-based jams prepared with different sweeteners, evaluating their potential as a nutritious and appealing food product. Mango, a tropical fruit rich in vitamins A, C, and dietary fiber, is an ideal base for jams, contributing both health benefits and natural sweetness. The study analysed the effects of various sweeteners, including refined sugar, honey, agave syrup, and stevia, on mango jams' nutritional profile and sensory prop...

The increasing interest in biostimulants as sustainable solutions for agriculture has been widely documented in high-impact scientific literature. Biostimulants are recognized for their ability to promote plant growth, enhance nutrient uptake, and increase resilience to environmental stress. This study researches the effects of the newly developed Georgian biostimulant BactoFert-L Boden on the growth and development of cucumber seedlings (Cucumis sativus) under various saline stress conditions. Soil salinization i...

The aim of the project concerns the production, characterization and impact on consumers of biscuits with wholemeal flour and grated carrots. The innovative character results from the use of wholemeal flour, which, unlike white flour, retains the bran and wheat germ, making it richer in fiber, vitamins and minerals. This contributes to a lower glycemic index and a superior nutritional profile. Carrots provide moisture and natural sweetness and are also an important source of beta-carotene, fiber and other vitamins...

Food supplements with strong antioxidant potential are increasingly being used by consumers to maintain good health [1], [5], [6], [8], [9], [10], [11], [15]. The best food supplements use natural and organic raw materials and -Mild Food Processing- operations. This work paper presents a management technique for food additives (used, in this case, in the testing and selection of used sweeteners) in the design of a black tea-based food supplement. The raw material used was tested by A.A.S. (Atomic Absorption Spectr...

Whey is a significant environmental contaminant since its waste load is estimated to be 100-175 times more than that of an equivalent volume of household wastewater. It is estimated that around half of the whey produced is used for human or animal use, and the other half is released into the environment as waste water, which adds to pollution. Thus, in accordance with the guidelines established by the EU Green Deal Program, its valorisation through the development of health-promoting products is an important step ...

A new biocatalyst based on glucose oxidase immobilized on Fe3O4 magnetite nanoparticles modified with chitosan and sodium tripolyphosphate was synthesized. Magnetite nanoparticles were obtained by mixing solutions of FeCl2 and FeCl3 with ammonia while heating to a temperature of 65 ?C. To stabilize the nanoparticles and ensure the presence of amino groups on their surface, chitosan and sodium tripolyphosphate were sequentially deposited on magnetite. Immobilization of glucose oxidase on the support was carried out...

Sterlet (Acipenser ruthenus) is a species with seasonal reproduction, temperature being considered one of the most important key factors that ensures the seasonal reproductive cycle. The wintering temperature should be carefully controlled to prevent any adverse effects on reproduction. In many fish species, the wintering at high temperatures have a negative impact on reproduction success. The aim of this study is to evaluate the impact of wintering temperature on sterlet males by evaluating the quantity and quali...

Green tea-based food supplements are very attractive to a large group of consumers and make an important contribution to maintaining good health. In order to preserve the nutritional value of supplements of this type, pesticide and plant growth hormones-free green tea is used as raw material. Choosing the best sweeteners in this case is an important part of scientific research, especially for consumers with certain digestive conditions. The aim of this paper is to successfully identify the best way to sweeten gree...

Cabbage (Brassica oleracea var. capitata) is a vital crop for Kenyan smallholder farmers, contributing to food security and income. However, declining soil fertility and reliance on costly synthetic fertilizers pose significant challenges. This study aimed to evaluate the efficacy of OBLIGA BONACRAFT P20S10, a microbiological phosphorus-sulfur fertilizer, as a sustainable alternative. Field trials were conducted in four agroecological zones: Kiambu, Kirinyaga, Machakos, and Murang'a, using a randomized complete bl...

This study investigates objectives and aims. A novel method of targeting the bacteriostatic efficacy of chicken egg yolk polyclonal antibodies (IgY) against Staphylococcus aureus in vitro. Specific IgY targeting Staphylococcus aureus was produced by immunizing hens with formaldehyde-killed Staphylococcus aureus (ATCC 33593) as an antigen. The IgY was extracted from egg yolks and purified to 94% purity. Cultures of S. aureus were treated with IgY at concentrations of 5, 10, and 15 ?g/ml, alongside blank controls wi...

Our study explored the impact of adding avocado to chicken liver pate, focusing on both nutritional composition, oxidative stability and organoleptic (sensory) characteristics. By incorporating avocado, we aimed to create a healthier, more nutritious alternative to traditional pate. Nutritional analysis included determining protein, fat, minerals, water, salt, carbohydrate content, and energy value. The results showed that adding avocado led to a decrease in fat content and an increase in beneficial omega-3 fatty ...

This thesis studies the impact of the addition of two types of enzymes: Rohapect PTE-100 and Pectinase to 6 varieties of apple, grown in the Valea Dambovi?ei area in order to improve the quality of apple juice. The 6 apple varieties used are: Sirus, Florina, Red Topaz, Golden, Starkrimson and Rozela. Thanks to the new varieties planted, and the use of modern technology, the production of apples has increased, and the apples are used fresh or processed in the form of natural juice as such or mixed with other fruits...

This paper is a review of the potential of olive pomace, a by-product of the olive sector, as a precursor for the production of biochar. In general, it presents a panorama of this sector, which is so important worldwide and particularly in the Mediterranean region, the largest olive and olive oil producing area in the world, representing 90% of global production. We also address the problem of the large amount of waste (around 15 million tons/year), in the form of pomace, generated by this olive oil production ind...