100 results match your criteria: "University of Nyiregyhaza[Affiliation]"

The issue surrounding sport and health as valuable categories spans across generations. It is now widely recognised that inherited, lifestyle, and environmental factors influence an individual's health. Our study investigated the impact of family as the primary area of socialisation and school as the secondary area.

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This study investigates the biochemical composition and biological properties of different parts (leaves, roots, and twigs) of two species ( and ). The extracts were analysed using UHPLC-MS/MS to determine their chemical profiling. A range of antioxidant assays were performed to evaluate the extract's antioxidant capabilities.

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A comprehensive study of sorghum bran and flour was performed to explore the secondary metabolite profiles of differently coloured genotypes and to evaluate the variability in the antioxidant properties based on differences in polarity and solubility. This research included one red variety and one white variety. Among the samples, the red variety contained significantly greater amounts of secondary metabolites than did the white variety, with total polyphenol contents of 808.

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Agricultural intensification is a major driver of global biodiversity loss. In Europe, intensification progressed over the 20th century and was accelerated by instruments of the EU's Common Agricultural Policy. Central and Eastern European (CEE) countries standing outside the EU until the beginning of the 21st century employed less intensive farming and are considered one of the continent's farmland biodiversity strongholds.

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Influence of Machining Parameters on the Dimensional Accuracy of Drilled Holes in Engineering Plastics.

Polymers (Basel)

May 2024

Department of Engineering and Technology Management, Faculty of Engineering, Northern University Centre of Baia Mare, Technical University of Cluj-Napoca, 62A, Victor Babes Street, 430083 Baia Mare, Romania.

This paper explores the interaction between cutting parameters and the geometric accuracy of machined holes in a variety of engineering plastics, with the aim of improving manufacturing processes in the plastic processing industry. In the context of fast and precise manufacturing technology, the accuracy of drilled holes in polymers is of paramount importance, given their essential role in the assembly and functionality of finished parts. The objective of this research was to determine the influence of cutting speed and feed rate on the diameter and cylindricity of machined holes in six diverse types of plastics using a multilevel factorial design for analysis.

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Article Synopsis
  • Aquatic macrophytes create a unique three-dimensional habitat in lake littoral zones, supporting a distinct group of microalgae known as metaphyton, which differs from both planktonic and benthic algae.
  • The study investigated how different physical structures (natural macrophyte stands vs. artificial substrates) affect the diversity and composition of microalgal assemblages over a 24-day experimental period.
  • Findings revealed that natural and artificial structures enhance species richness of microalgae compared to open water, and that the composition of algal traits is influenced by the environmental complexity provided by these physical structures.
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Medicinal plant tissue cultures are potential sources of bioactive compounds. In this study, we report the chemical characterization of the callus cultures of three medicinal spp. (, and ), along with the comparison to bracts and flowers of the same species.

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The present study aimed to investigate the chemical constituents of different extracts from aerial parts of A. absinthium and to evaluate their antioxidant and enzyme inhibition activity. Extracts were prepared by maceration, infusion or Soxhlet techniques.

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Microanatomical Changes in the Leaves of (L.) Caused by Potentially Toxic Elements from Municipal Sewage Sediment.

Plants (Basel)

March 2024

Institute of Food Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 138, H-4032 Debrecen, Hungary.

An open-field 3-year-long microplot experiment was set up with three micropropagated lines (SC Blossom, BFT Indiana, and STM Hajdúsági) of giant reed ( L.). Plants were grown on a soil cover of a former sewage settling pond located in Debrecen Lovász-Zug, Hungary.

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Comparative Phytotoxicity of Metallic Elements on Duckweed L. Using Growth- and Chlorophyll Fluorescence Induction-Based Endpoints.

Plants (Basel)

January 2024

Department of Botany, Institute of Biology and Ecology, Faculty of Science and Technology, University of Debrecen, Egyetem Square 1, H-4032 Debrecen, Hungary.

In this study, we exposed a commonly used duckweed species- L.-to twelve environmentally relevant metals and metalloids under laboratory conditions. The phytotoxic effects were evaluated in a multi-well-plate-based experimental setup by means of the chlorophyll fluorescence imaging method.

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Swertia species are common ingredients in numerous herbal remedies. It is also used to treat a wide range of illnesses and possess diverse therapeutic activities. The aim of the study is to elucidate the comprehensive metabolomics profile of Swertia chirayita and the role of various extraction methods in the phytochemical compositions of the extracts of S.

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More than one millennium (2nd-16th century CE) of the White Plague in the Carpathian Basin - New cases, expanding knowledge.

Tuberculosis (Edinb)

December 2023

Department of Biological Anthropology, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117, Budapest, Hungary. Electronic address:

The causative agent of tuberculosis is still a widespread pathogen, which caused the death of ca. 1.6 million people globally in 2021.

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This study assessed the halophyte species (Desf.) as a possible source of natural ingredients with the capacity to inhibit enzymes related to relevant human health disorders and food browning. Extracts using food-grade solvents such as water and ethanol were prepared by maceration from dried leaves.

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Does participation in agri-environmental schemes increase eco-efficiency?

Sci Total Environ

January 2024

Óbuda University, Budapest, Tavaszmező u. 15-17, 1086, Hungary; Partium Christian University, Strada Primăriei 36, Oradea 410209, Romania.

The literature on the effectiveness of Agri-Environmental Schemes focuses mainly on the environmental effects; only a few studies have focused on economic aspects. The number of papers that address ecological and economic outcomes simultaneously is even more limited. In this paper, we apply the concept of eco-efficiency to integrate these two factors.

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Phytoconstituent Profiles Associated with Relevant Antioxidant Potential and Variable Nutritive Effects of the Olive, Sweet Almond, and Black Mulberry Gemmotherapy Extracts.

Antioxidants (Basel)

September 2023

Institute of Nutrition Science, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi Str. 128, 4032 Debrecen, Hungary.

The extracts of whole plants or specific organs from different plant species are gaining increasing attention for their phytotherapy applications. Accordingly, we prepared standardized gemmotherapy extracts (GTEs) from young shoots/buds of olive (), sweet almond (), and black mulberry (), and analyzed the corresponding phytonutrient profiles. We identified 42, 103, and 109 phytonutrients in the olive, almond, and black mulberry GTEs, respectively, containing amino acids, vitamins, polyphenols, flavonoids, coumarins, alkaloids, iridoids, carboxylic acids, lignans, terpenoids, and others.

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In the broiler industry, the average daily gain and feed conversion ratio are extremely favorable, but the birds are beginning to approach the maximum of their genetic capacity. However, as a consequence of strong genetic selection, the occurrence of certain metabolic diseases, such as myopathies, ascites, sudden cardiac death and tibial dyschondroplasia, is increasing. These metabolic diseases can greatly affect the health status and welfare of birds, as well as the quality of meat.

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Soil organic matter is a biological system that functions as an integrated whole. These assemblies have different properties, functions, and decomposition times. SOM is one of the main determinants of soil productivity.

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Climate change has been associated with both latitudinal and elevational shifts in species' ranges. The extent, however, to which climate change has driven recent range shifts alongside other putative drivers remains uncertain. Here, we use the changing distributions of 378 European breeding bird species over 30 years to explore the putative drivers of recent range dynamics, considering the effects of climate, land cover, other environmental variables, and species' traits on the probability of local colonisation and extinction.

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The biosorption and recovery of ionic gadolinium (Gd) from contaminated water by the free-floating duckweed Lemna gibba was studied. The highest non-toxic concentration range was determined as (6.7 mg L).

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Article Synopsis
  • Climate change causes species to shift their ranges and leads to local extinctions, resulting in changes to community composition.
  • Ecological barriers like biome boundaries, coastlines, and elevation significantly impact how communities can adapt to these changes, yet they are often overlooked in climate studies.
  • Research using European breeding bird data from the 1980s and 2010s shows that these barriers greatly affect the direction and distance of community shifts, emphasizing the need to consider ecological barriers in understanding biodiversity changes.
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Farmland practices are driving bird population decline across Europe.

Proc Natl Acad Sci U S A

May 2023

Institut des Sciences de l'Évolution de Montpellier (ISEM), Univ. de Montpellier, CNRS, Institut de recherche pour le développement (IRD), École pratique des hautes études (EPHE), Montpellier 34095, France.

Article Synopsis
  • Bird populations in Europe have been declining for years, and this study looks at how human activities are affecting them.
  • The researchers examined data from 170 bird species over 37 years across 28 countries to see how farming, forest changes, city growth, and temperature changes impact these birds.
  • They found that farming, especially using pesticides and fertilizers, hurts most bird populations the most, while changes in forests and cities affect different species in various ways.
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In the context of climate change, the Ivorian cotton industry is facing with the loss of sensitivity of pests (Helicoverpa armigera) and the appearance of new so-called emerging insects. Faced with this situation, cotton producers tend to use insecticide products in high doses, in excess of the norm. However, the misuse of chemical products poses many health risks.

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Many plant-derived flavonoids are known for their anti-neuroinflammatory and anti-neurodegenerative effects. The fruits and leaves of the black currant (BC, ) contain these phytochemicals with therapeutic benefits. The current study presents a report on a standardized BC gemmotherapy extract (BC-GTE) that is prepared from fresh buds.

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Relationship between gadolinium-based MRI contrast agent consumption and anthropogenic gadolinium in the influent of a wastewater treatment plant.

Sci Total Environ

June 2023

Isotope Climatology and Environmental Research Centre, Institute for Nuclear Research, Hungarian Academy of Sciences, H-4026 Debrecen, Bem tér 18/C, Hungary. Electronic address:

Gadolinium-based contrast agents (GBCAs) used in magnetic resonance imaging (MRI) are highly resistant in the environment. They pass through wastewater treatment plants (WWTPs) unhindered escaping degradation. Although GBCAs are subjects of intensive research, we recognized that a quantitative approach to the mass balance of gadolinium, based on known input and output data, is missing.

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Phytochemical Composition and Biological Activities of Extracts from Early, Mature, and Germinated Somatic Embryos of L.

Plants (Basel)

February 2023

Department of Bioresources and Food Science, Institute of Natural Science and Agriculture, Konkuk University, Seoul 05029, Republic of Korea.

L. (Crassulaceae)-round-leafed navelwort-is used worldwide as a potted ornamental plant, and it is also used in South African traditional medicine. The current work aims to assess the influence of plant growth regulators (PGR) on somatic embryogenesis (SE) in ; compare the metabolite profile in early, mature, and germinated somatic embryos (SoEs) by utilizing ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS); and determine the antioxidant and enzyme inhibitory potentials of SoEs.

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