Browse

Magnesium deficiency is on the rise due to intensive industrialized farming practices, food processing and evolution of human diets. Human nutrition needs great amount of magnesium, Mg deficiencies being rampant in many developed and developing countries mostly due to dietary reliance on vegetal food with low Mg concentrations. Magnesium is an element that we might describe today as an ancient mineral but essential to life, being a vital factor within our cells, helping to maintain balance, achieve performance und...

Magnesium deficiency is on the rise due to intensive industrialized farming practices, food processing and evolution of human diets. Human nutrition needs great amount of magnesium, Mg deficiencies being rampant in many developed and developing countries mostly due to dietary reliance on vegetal food with low Mg concentrations. Magnesium is an element that we might describe today as an ancient mineral but essential to life, being a vital factor within our cells, helping to maintain balance, achieve performance und...

The purpose of the research paper was to manage the dry fractioning operation and find out a new solution for it?s effectiveness. Therefore, based on previous studies of the authors related to dry fractioning in centrifugal field on complex lipid mixture, the correlation between the operating parameters (time ? temperature ? centrifugal speed) and physic ? chemical parameters can be done through the principal component analysis (PCA). Starting from these considerations and from the fact that the pork lard is a com...

The purpose of the research paper was to manage the dry fractioning operation and find out a new solution for it?s effectiveness. Therefore, based on previous studies of the authors related to dry fractioning in centrifugal field on complex lipid mixture, the correlation between the operating parameters (time ? temperature ? centrifugal speed) and physic ? chemical parameters can be done through the principal component analysis (PCA). Starting from these considerations and from the fact that the pork lard is a com...

The approach of Biotechnology Department of Mendeleev University of Chemical Technology of Russia covers integrated processing and the use of secondary by-products in nature-like technologies for bioconversion into highly added value products with unique properties for sustainable development of the planet and lowering the negative industrial effect. This paper presents a mathematical model and solution strategy of S. cerevisiae single cell protein accumulation in deproteinized sunflower meal hydrolysates. Differe...

The approach of Biotechnology Department of Mendeleev University of Chemical Technology of Russia covers integrated processing and the use of secondary by-products in nature-like technologies for bioconversion into highly added value products with unique properties for sustainable development of the planet and lowering the negative industrial effect. This paper presents a mathematical model and solution strategy of S. cerevisiae single cell protein accumulation in deproteinized sunflower meal hydrolysates. Differe...

Black Sea is one of the largest inland seas in the world and is vulnerable to land ? based pollution pressure from its littoral area that causes the degradation of the aquatic ecosystems through eutrophication. Sometimes were recorded at the Romanian littoral a macroalgae mass development, especially by the group green macro-algae, Ulva, Enteromorpha and Cladophora species which are present in associations succeeding in all the year. A comparative study of waste algal biomass microbial charge was done in order to ...

Black Sea is one of the largest inland seas in the world and is vulnerable to land ? based pollution pressure from its littoral area that causes the degradation of the aquatic ecosystems through eutrophication. Sometimes were recorded at the Romanian littoral a macroalgae mass development, especially by the group green macro-algae, Ulva, Enteromorpha and Cladophora species which are present in associations succeeding in all the year. A comparative study of waste algal biomass microbial charge was done in order to ...

Shoot cultures of the essential oil-bearing Artemisia alba Turra were established with the aim of the in vitro exploration of the biosynthetic potential and physiological behavior of the species. Plant growth regulators were applied in order to affect morphogenesis in vitro and to search for possible relations with secondary metabolites production of the plant. As a result of the applied treatments, two morphotypes of the in vitro cultured A. alba individuals were induced, based on the development of roots of the ...

Shoot cultures of the essential oil-bearing Artemisia alba Turra were established with the aim of the in vitro exploration of the biosynthetic potential and physiological behavior of the species. Plant growth regulators were applied in order to affect morphogenesis in vitro and to search for possible relations with secondary metabolites production of the plant. As a result of the applied treatments, two morphotypes of the in vitro cultured A. alba individuals were induced, based on the development of roots of the ...

The molecular characterization of Genetic diversity of ten bread wheat (Triticum aestivum L.) varieties was evaluated at the DNA level using 6 agronomic characters and 16 wheat microsatellites molecular markers (Simple Sequence Repeat-SSR). SSR bands were scored across all genotypes, for presence (1) or absence (0) and transformed into 0/1 binary matrix. A pair-wise similarity matrix was generated with the software NTSYS. The Polymorphism Information Content (PIC) ranged from 0.23 to 0.70 respectively for the prim...

The molecular characterization of Genetic diversity of ten bread wheat (Triticum aestivum L.) varieties was evaluated at the DNA level using 6 agronomic characters and 16 wheat microsatellites molecular markers (Simple Sequence Repeat-SSR). SSR bands were scored across all genotypes, for presence (1) or absence (0) and transformed into 0/1 binary matrix. A pair-wise similarity matrix was generated with the software NTSYS. The Polymorphism Information Content (PIC) ranged from 0.23 to 0.70 respectively for the prim...

Provides information about the most common raw material reserves of wild medicinal plants containing tannin on the ridges of the southern Altai, such as Achillea millefolium L., Bergenia crassifolia (L.) Fritsch, Ephedra equisetina Bunge, Filipendula ulmaria (L.) Maxim., Glycyrrhiza uralensis Fisch, Sanguisorba officinalis L., Tanacetum vulgare L. and others. Among all medicinal plants Chamaenerion angustifolium (L.) Scop., applies only in traditional medicine. The amount of the operational reserve and the amount ...

Provides information about the most common raw material reserves of wild medicinal plants containing tannin on the ridges of the southern Altai, such as Achillea millefolium L., Bergenia crassifolia (L.) Fritsch, Ephedra equisetina Bunge, Filipendula ulmaria (L.) Maxim., Glycyrrhiza uralensis Fisch, Sanguisorba officinalis L., Tanacetum vulgare L. and others. Among all medicinal plants Chamaenerion angustifolium (L.) Scop., applies only in traditional medicine. The amount of the operational reserve and the amount ...

The necessity and opportunity of research by fast and efficient remote sensing methods and means derives from the fact that pratological investigation involves a great deal of time and resources, repeated missions on the ground and the involvement of a larger number of specialists. With the advanced technique (remote sensing methods and means), the main purpose of this study is to monitor grassland in the analyzed area and quantify the chlorophyll concentration of plants on the basis of the Normalized Difference V...

The necessity and opportunity of research by fast and efficient remote sensing methods and means derives from the fact that pratological investigation involves a great deal of time and resources, repeated missions on the ground and the involvement of a larger number of specialists. With the advanced technique (remote sensing methods and means), the main purpose of this study is to monitor grassland in the analyzed area and quantify the chlorophyll concentration of plants on the basis of the Normalized Difference V...

The cereals (especially, wheat) production increases in all regions of the World. However, the challenges of sustainable development and the demand for products with increased added value make the use of the entire crop for food unsustainable. Alcohol fermentation of grain by yeasts is one of ancient technologies created by mankind. Highly productive fermentations of lactobacilli and even bifidobacteria can be carried out also. A significant change of the approach is necessary as these bacteria are sensitive to th...

The cereals (especially, wheat) production increases in all regions of the World. However, the challenges of sustainable development and the demand for products with increased added value make the use of the entire crop for food unsustainable. Alcohol fermentation of grain by yeasts is one of ancient technologies created by mankind. Highly productive fermentations of lactobacilli and even bifidobacteria can be carried out also. A significant change of the approach is necessary as these bacteria are sensitive to th...

Industry is constantly forced to look for new ways to make production processes environmentally safe and products more competitive. In this regard, microbiological enzyme preparations increasingly replace conventional chemical catalysts in a number of industrial processes. Such preparations, in addition to environmental friendliness and high activity, have a number of advantages over enzyme preparations of vegetable and animal origin. With the aim of creating new recombinant lipase, we analyzed data on the activit...

Industry is constantly forced to look for new ways to make production processes environmentally safe and products more competitive. In this regard, microbiological enzyme preparations increasingly replace conventional chemical catalysts in a number of industrial processes. Such preparations, in addition to environmental friendliness and high activity, have a number of advantages over enzyme preparations of vegetable and animal origin. With the aim of creating new recombinant lipase, we analyzed data on the activit...

In the work we propose the model of cellular automata for predator-prey system, which is based on the system of lattice differential equations with delay. The model is based on biological assumptions for arbitrary cell. Each cell can assume a value of state in some discrete scales, which mean density of predator or prey population that the cell contain, respectively. We have some constant birthrate for prey population. Preys are neutralized by predators with some probability rate. Prey population tends to some car...

In the work we propose the model of cellular automata for predator-prey system, which is based on the system of lattice differential equations with delay. The model is based on biological assumptions for arbitrary cell. Each cell can assume a value of state in some discrete scales, which mean density of predator or prey population that the cell contain, respectively. We have some constant birthrate for prey population. Preys are neutralized by predators with some probability rate. Prey population tends to some car...

In our study, we optimized two methods of enzyme activity estimations characterizing C and P cycles (?-1,4-glucosidase and acid phosphatase) for agricultural soil with 2.629% of total C and 0.062 % of total N sampled in Tatarstan (Russia). Concentration of the substrates (4-MUF-?-d-glucopyranoside, 4-MUF-phosphate) in the range from 20 to 900 ?mol g-1 soil was used, four levels of buffer pH (3, 6, 8, 11) were compared, and three different dilutions of soil suspension (1%, 2%, 10% w/v) were investigated. Besides, t...

In our study, we optimized two methods of enzyme activity estimations characterizing C and P cycles (?-1,4-glucosidase and acid phosphatase) for agricultural soil with 2.629% of total C and 0.062 % of total N sampled in Tatarstan (Russia). Concentration of the substrates (4-MUF-?-d-glucopyranoside, 4-MUF-phosphate) in the range from 20 to 900 ?mol g-1 soil was used, four levels of buffer pH (3, 6, 8, 11) were compared, and three different dilutions of soil suspension (1%, 2%, 10% w/v) were investigated. Besides, t...

Nosocomial infections have an important place in human pathology, becoming a major public health problem due to the high frequency of multiresistant strains, with afferent consequences. In the Intensive Care Units (ICU), nosocomial infections represent a constant risk due to a cumulus of factors that increase susceptibility to infections, respectively: decreased immunity due to underlying pathology, patient exposure to a series of invasive manoeuvres, poor nutritional status etc. The purpose of this study was to e...

Nosocomial infections have an important place in human pathology, becoming a major public health problem due to the high frequency of multiresistant strains, with afferent consequences. In the Intensive Care Units (ICU), nosocomial infections represent a constant risk due to a cumulus of factors that increase susceptibility to infections, respectively: decreased immunity due to underlying pathology, patient exposure to a series of invasive manoeuvres, poor nutritional status etc. The purpose of this study was to e...

The article deals with the stages of obtaining collagen hydrolyzate by means of biomodification of cattle rumen, as well as the method of its canning by freeze drying. The preparation of cattle rumen hydrolyzate (RHF) was carried out as follows: the scar was pre-rinsed in running tap water for 20 minutes to remove contaminants and mucus, scraping off muscle and adipose tissue; after the run-off of water (15?20 min), the raw material was ground on a top with a diameter of holes of the scoring grid of 2?3 mm. The gr...

The article deals with the stages of obtaining collagen hydrolyzate by means of biomodification of cattle rumen, as well as the method of its canning by freeze drying. The preparation of cattle rumen hydrolyzate (RHF) was carried out as follows: the scar was pre-rinsed in running tap water for 20 minutes to remove contaminants and mucus, scraping off muscle and adipose tissue; after the run-off of water (15?20 min), the raw material was ground on a top with a diameter of holes of the scoring grid of 2?3 mm. The gr...

In this paper we used the research done in a previous laboratory study in which we optimized the addition of seabuckthorn powder, rosehip powder and grape seed extract to the classic yogurt formulation. Yogurt with the best physicochemical and sensory properties was obtained by adding 1.5% rosehip powder and 0.5% grape seed extract, respectively 1.75% seabuckthorn powder and 0.25% grape seed extract to its manufacturing formulation. Prior to inoculation, the ingredients mixture was pasteurized at 85В°C for 30 minu...

In this paper we used the research done in a previous laboratory study in which we optimized the addition of seabuckthorn powder, rosehip powder and grape seed extract to the classic yogurt formulation. Yogurt with the best physicochemical and sensory properties was obtained by adding 1.5% rosehip powder and 0.5% grape seed extract, respectively 1.75% seabuckthorn powder and 0.25% grape seed extract to its manufacturing formulation. Prior to inoculation, the ingredients mixture was pasteurized at 85В°C for 30 minu...

The paper deals with the possibilities of metal recovery from sediment from sludge disposal site after mining activity from locality Zlate hory. The locality is protected from mineralized water, which represents a potential threat for groundwater. This work deals with the use of bacteria Acidithiobacillus ferrooxidans to bioleach polymetallic ores (Cu, Zn, and Fe) from these locality. It is a simple and effective method to recover metals from mineral raw materials, where conventional methods cannot be applied. As ...

The paper deals with the possibilities of metal recovery from sediment from sludge disposal site after mining activity from locality Zlate hory. The locality is protected from mineralized water, which represents a potential threat for groundwater. This work deals with the use of bacteria Acidithiobacillus ferrooxidans to bioleach polymetallic ores (Cu, Zn, and Fe) from these locality. It is a simple and effective method to recover metals from mineral raw materials, where conventional methods cannot be applied. As ...

The work summarizes the results of research into fundamentals of design and application of slow-release and ecologically safe forms of agrochemicals used for protecting plants from pathogens and weeds. The potential of degradable polyester poly(3-hydroxybutyrate) [P(3HB)] for designing long-term formulations of fungicides (tebuconazole) and herbicides (metribuzin) is described. Experimental forms of agricultural preparations were compared with the commercial fungicide Raxil Ultra containing tebuconazole and Sencor...

The work summarizes the results of research into fundamentals of design and application of slow-release and ecologically safe forms of agrochemicals used for protecting plants from pathogens and weeds. The potential of degradable polyester poly(3-hydroxybutyrate) [P(3HB)] for designing long-term formulations of fungicides (tebuconazole) and herbicides (metribuzin) is described. Experimental forms of agricultural preparations were compared with the commercial fungicide Raxil Ultra containing tebuconazole and Sencor...

The main succulent fodder for cattle in the winter-stall period is silage. For ensiling, amaranth was used - a promising high protein fodder crop, capable of satisfying the animals needs in nutrients. The main factor determining the timing of amaranth harvesting is the sum of the active temperatures (climatic conditions), which, when cultivated on silage, must be at least 1000В°C. Ensiling was performed at different stages of vegetation: in the phase of the beginning of flowering, milk and milk-wax ripeness of see...

The main succulent fodder for cattle in the winter-stall period is silage. For ensiling, amaranth was used - a promising high protein fodder crop, capable of satisfying the animals needs in nutrients. The main factor determining the timing of amaranth harvesting is the sum of the active temperatures (climatic conditions), which, when cultivated on silage, must be at least 1000В°C. Ensiling was performed at different stages of vegetation: in the phase of the beginning of flowering, milk and milk-wax ripeness of see...

Considering the current context in which all producers are trying to optimise processes and resources, making improvements to traditional practices is of great interest in order to fulfil customer expectations for high quality and safe products. Alternatives to enhance and complement traditional winemaking practices are emerging technologies such as ultrasound addressed towards reducing the fermentation time and increasing the extraction of phenolic compounds, controlling a variety of wine spoilage organisms, wine...

Considering the current context in which all producers are trying to optimise processes and resources, making improvements to traditional practices is of great interest in order to fulfil customer expectations for high quality and safe products. Alternatives to enhance and complement traditional winemaking practices are emerging technologies such as ultrasound addressed towards reducing the fermentation time and increasing the extraction of phenolic compounds, controlling a variety of wine spoilage organisms, wine...

The work described the obtaining and studying the properties of alginate-PLGA matrixes containing agglomerates of hydroxyapatite nanoparticles. Hydroxyapatite (HAP) nanoparticles were obtained by controlled deposition in the presence of a stabilizer - sodium citrate. Two types of nanoparticle lamellar (30 to 50 nm in size) and rod-shaped (150 to 200 nm in length) were used in the work. The size and morphology of the hydroxyapatite nanoparticles were studied using a transmission electron microscope. The composition...

The work described the obtaining and studying the properties of alginate-PLGA matrixes containing agglomerates of hydroxyapatite nanoparticles. Hydroxyapatite (HAP) nanoparticles were obtained by controlled deposition in the presence of a stabilizer - sodium citrate. Two types of nanoparticle lamellar (30 to 50 nm in size) and rod-shaped (150 to 200 nm in length) were used in the work. The size and morphology of the hydroxyapatite nanoparticles were studied using a transmission electron microscope. The composition...

The possibility of regeneration of plants from somatic and genetic cells open the way of in vitro storage of the genotypes. The utilisation of such a method has a lot of advantages as: relatively reduced space for preservation of a large number of multiplicated clonal plants, the plants are preserved free of pathogens and viruses, in special storage conditions, the plants don?t need special treatments during preservation, the material has an adequate form for establishing nuclear stocks which make possible rapid p...

The possibility of regeneration of plants from somatic and genetic cells open the way of in vitro storage of the genotypes. The utilisation of such a method has a lot of advantages as: relatively reduced space for preservation of a large number of multiplicated clonal plants, the plants are preserved free of pathogens and viruses, in special storage conditions, the plants don?t need special treatments during preservation, the material has an adequate form for establishing nuclear stocks which make possible rapid p...

One of the ways to maintain the normal gastrointestinal tract microflora of poultry is to use prebiotic supplements in their feed. Among the prebiotics used in poultry farming, there are additives based on mannooligosaccharides from the cell walls of the yeast Saccharomyces cerevisiae. There are no similar domestic prebiotic drugs available, which determines the necessity and relevance of their development. For the production of mannose-containing hydrolysates, there was studied the process of hydrolysis of mannan...

One of the ways to maintain the normal gastrointestinal tract microflora of poultry is to use prebiotic supplements in their feed. Among the prebiotics used in poultry farming, there are additives based on mannooligosaccharides from the cell walls of the yeast Saccharomyces cerevisiae. There are no similar domestic prebiotic drugs available, which determines the necessity and relevance of their development. For the production of mannose-containing hydrolysates, there was studied the process of hydrolysis of mannan...

The aim of this study was to analyze the bread quality prepared from a wheat flour of a 1250 type in which four levels of magnesium ions (0, 100, 150 and 200 mg/100g) from lactate salt were incorporated. In order to determine the bread quality the physical, crumb microstructure, textural, colour and sensory characteristics were analyzed. Bread quality characteristics loaf volume, porosity and elasticity slightly increase with the increase level of magnesium ions addition compared to the control sample. The best br...

The aim of this study was to analyze the bread quality prepared from a wheat flour of a 1250 type in which four levels of magnesium ions (0, 100, 150 and 200 mg/100g) from lactate salt were incorporated. In order to determine the bread quality the physical, crumb microstructure, textural, colour and sensory characteristics were analyzed. Bread quality characteristics loaf volume, porosity and elasticity slightly increase with the increase level of magnesium ions addition compared to the control sample. The best br...

Biotechnology represents unique applications of science that can be used to the development of crops with improved nutritional quality, resistance to pests and diseases and reduced cost of production. Agricultural biotechnology can help solve the global food crisis and make a positive impact on world hunger. Crops improved through biotechnology are producing higher yields and of quality. In this study, 10 DH lines derived from Triticum x Zea crosses and mutagenesis between two modern winter wheat genotypes (Izvor ...

Biotechnology represents unique applications of science that can be used to the development of crops with improved nutritional quality, resistance to pests and diseases and reduced cost of production. Agricultural biotechnology can help solve the global food crisis and make a positive impact on world hunger. Crops improved through biotechnology are producing higher yields and of quality. In this study, 10 DH lines derived from Triticum x Zea crosses and mutagenesis between two modern winter wheat genotypes (Izvor ...

Worldwide, bananas are commonly consumed. Due to this fact large amounts of banana peels waste are generated. Banana peels contain adequate amounts if starch. The aim of this study was to evaluate the quality of vinegar obtained from banana peels in comparison with other types of commercial vinegar. Color, total dry extract, total titratable acidity, specific gravity, total soluble solids, antioxidant capacity and polyphenols content were determined on different types of vinegar. The analyzed samples were three ty...

Worldwide, bananas are commonly consumed. Due to this fact large amounts of banana peels waste are generated. Banana peels contain adequate amounts if starch. The aim of this study was to evaluate the quality of vinegar obtained from banana peels in comparison with other types of commercial vinegar. Color, total dry extract, total titratable acidity, specific gravity, total soluble solids, antioxidant capacity and polyphenols content were determined on different types of vinegar. The analyzed samples were three ty...