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Wyniki wyszukiwania dla: ANTIOXIDANT ENZYMES
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Organic and conventional kiwifruit, myths versus reality: antioxidant, antiproliferative and helth effects
PublikacjaComparison between organic and conventional kiwifruit cultivars 'Hayward' and 'Bidan', which was done by four radical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between the cultivars. Such results were not estimated in kiwifruit growing under organic and conventional conditions. The extraction of bioactive compounds was done by two different methods: sequential extraction with ethyl acetate...
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Characterization of white cabbages from different cultivations by isothiocynates content and antioxidant activities
PublikacjaBadania epidemiologiczne wskazują, że wraz z zwiększeniem spożywania kapusty maleje ryzyko zachorowania na niektóre nowotwory. Mechanizmy przeciwrakotwórczego działania nie są do końca wyjaśnione, jednak wiele badań przeprowadzonych z wykorzystaniem zwierząt i ludzi sugeruje, że substancje występujące w tych roślinach, szczególnie izotiocyjaniany (ITC) modulują aktywność enzymów I i II fazy. Aktywność przeciwutleniająca jest innym...
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Antioxidant effect of Elamipretide on bull's sperm cells during freezing/thawing process
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Phenolic Compounds and Antioxidant Properties of Fermented Beetroot Juices Enriched with Different Additives
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Predicting the Botanical Origin of Honeys with Chemometric Analysis According to Their Antioxidant and Physicochemical Properties
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Phytochemicals and Antioxidant Activity in Oat-Buckwheat Dough and Cookies with Added Spices or Herbs
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Edible Flowers Extracts as a Source of Bioactive Compounds with Antioxidant Properties—In Vitro Studies
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Comparison of the contents of bioactive compounds and the level of antioxidant activity in different kiwifruit cultivars
PublikacjaGłównym celem prowadzonych badań było stwierdzenie która z odmian owoców kiwi (''Hayward'', ''Daeheuhg'', ''Haenam'' oraz ''Bidan'') jest najbardziej odpowiednią z punktu widzenia konsumpcji przez człowieka. Z tego powodu w odpowiednio przygotowanych próbkach ekstraktów z owoców kiwi oznaczono:- profile związków bioaktywnych;- poziomy aktywności przeciwutleniającej. Wyniki pomiarów zawartości polifenoli (flawonoidy oraz kwasy fenolowe)...
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Application for novel electrochemical screening of antioxidant potential and phytochemicals in Cornus mas extracts
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Antioxidant Activities and Volatile Flavor Components of Selected Single-Origin and Blend Chocolates
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Antioxidant properties and resveratrol content of Polish Regent wines from Podkarpacie region
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New Chalcone Derivatives Containing 2,4-Dichlorobenzenesulfonamide Moiety with Anticancer and Antioxidant Properties
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Novel ABTS-dot-blot method for the assessment of antioxidant properties of food packaging
PublikacjaThe new ABTS-dot-blot method for the direct determination of antioxidant activity of active packaging that is in contact with foodstuffs has been developed. The usefulness of the new method was verified with the use of agarose, pork gelatin, bacterial cellulose and cellulose-chitosan films with incorporated standard antioxidant – Trolox or plant phytochemicals derived from three types of berry juices (chokeberry, blue-berried honeysuckle,...
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Coffee silverskin as a potential bio-based antioxidant for polymer materials: Brief review
PublikacjaCoffee silverskin is one of the by-products generated by the coffee industry. Although it is not the most burdensome one, because it stands only for ~4.2 wt % of coffee, it seems like an auspicious raw material for industrial processes. Coffee silverskin is characterized by a relatively low moisture content of ~5–7%, so it often does not require quite energy-consuming drying processes. The chemical composition of coffee silverskin,...
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Quantification of Biodiversity Related to the Active Protection of Grassland Habitats in the Eastern Lublin Region of Poland Based on the Activity of Soil Enzymes
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Effects of basal level of antioxidants on oxidative DNA damage in humans
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Antioxidants: a premature scientific hypothesis that reshuffled the traditional food pyramid
PublikacjaAntioxidants present in substantial amounts in foods, plant-based products in particular, have been suggested as chemopreventive agents that can curb the development of undesirable health effects caused by oxidative stress simply by enriching diet in such compounds. This idea has been enthusiastically accepted by consumers, as well as food and pharmaceutical industry, and created great demand for products containing antioxidant...
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Modulation of rat hepatic and kidney phase II enzymes by cabbage juices: comparison with the effects of indole-3-carbinol and phenethyl isothiocyanate
PublikacjaZbadano wpływ soków ze świeżej i kiszonej kapusty na ekspresję i aktywność takich enzymów II fazy jak transferazy S-glutationowe i oksydoreduktaza NQO1 w wątrobie i nerkach szczurów, którym podawano wspomniane soki doustnie. Uzyskane wyniki porównano z oznaczeniami uzyskanymi po doustnym podaniu wyizolowanych produktów degradacji glukozynolanów, indolo-3-karbinolu i izotiocyjanianu fenyloetylu. Wszystkie testowane czynniki powodowały...
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INVESTIGATION OF THE EFFECT OF THE ROCKET'S SUBORBITAL FLIGHT ON BIOFILM, ENZYMES AND BIOSYNTHESIS ON AUTONOMOUS, MODULAR AND SCALABLE PLATFORM FOR CONDUCTING EXPERIMENTS OF AN ASTROBIOTECHNOLOGICAL NATURE
PublikacjaWith new incentives for human space exploration, biotechnological experiments in orbit became imperative.Answering this need, we build an autonomous, modular, and scalable platform that enables those experiments onrockets. We called it AMBER. The aim of the payload of the R6 suborbital rocket is to perform an experiment tostudy the influence of rocket flights on biofilm, molecular...
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Activity ofα1-Antitrypsin and Some Lysosomal Enzymes in the Blood Serum of Patients with Chronic Obstructive Pulmonary Disease after Smoking Cessation
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Investigation of the Effect of the Rocket's Suborbital Flight on Biofilm, Enzymes and Biosynthesis on Autonomous, Modular and Scalable Platforms For Conducting Experiments of an Astrobiotechnological Nature
PublikacjaWith new incentives for human space exploration, biotechnological experiments in orbit became imperative. Answering this need, we build an autonomous, modular, and scalable platform that enables those experiments on rockets. We called it AMBER. The aim of the payload of the R6 suborbital rocket is to perform an experiment to study the influence of rocket flights on biofilm, molecular biology enzymes and biosynthesis using our platform....
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Changes in wetting properties of silica surface treated with DPPC in the presence of phospholipase A2 enzyme
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Electrokinetic properties of n-tetradecane/ethanol emulsions with DPPC and enzyme lipase or phospholipase A2
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Changes in wetting properties of alumina surface treated with DPPC in the presence of phospholipase A2 enzyme
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Organic solvents aggregating and shaping structural folding of protein, a case study of the protease enzyme
PublikacjaLow solubility of reactants or products in aqueous solutions can result in the enzymatic catalytic reactions that can occur in non-aqueous solutions. In current study we investigated aqueous solutions containing different organic solvents / deep eutectic solvents (DESs) that can influence the protease enzyme's activity, structural, and thermal stabilities. Retroviral aspartic protease enzyme is responsible for the cleavage of the...
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Effect of dendrimer-based interlayers for enzyme immobilization on a model electrochemical sensing system for glutamate
PublikacjaIn this paper, we discuss dendrimer usage in enzyme-based electrochemical biosensors, particularly with respect to biomolecule loading on the sensing surface. A novel approach to design bioactive layers with immobilized enzymes for electrochemical biosensors using the surface plasmon resonance (SPR) method in combination with electrochemical impedance spectroscopy was presented. The gold surface was modified with linear linkers...
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A comparative study of phenolic compounds and antioxidant and antiproliferative activities in frequently consumed raw vegetables
PublikacjaCelem badań było oszacowanie właściwości przeciwutleniających wybranych warzyw spożywczych w stanie surowym: czosnek (Allium sativum L), biała, żółta i czerwona cebula (Allium cepa L), czerwony i zielony pieprz (Capsicum annuum L.) oraz biała kapusta (Brassica oleracea var. capitata f. alba) zbieranych w ciągu tego samego roku z różnych regionów geograficznych i stref klimatycznych. W badaniach odpowiednich ekstraktów metanolowych...
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Structural, physico-chemical and antioxidant characteristics of 2,2′-bipyridyl(iminodiacetato)oxidovanadium(IV) dihydrate
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CEACAM6 as a Novel Therapeutic Target to Boost HO-1—mediated Antioxidant Defense in COPD
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In vitro antioxidant, anti-inflammatory activities and acetylcholinesterase inhibition properties of selected plant extracts
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In Vitro Antiproliferative and Antioxidant Effects of Extracts from Rubus caesius Leaves and Their Quality Evaluation
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Determination of phytochemical composition and antioxidant capacity of 22 old apple cultivars grown in Poland
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Identification of antioxidant polyphenolics from Jasione montana based on a preliminary LC-MS profiling
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Effect of roasting time of buckwheat groats on the formation of Maillard reaction products and antioxidant capacity
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Effect of liquid-state fermentation on the antioxidant and functional properties of raw and roasted buckwheat flours
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Supplementation with antioxidant vitamins prevents oxidative modification of DNA in lymphocytes of HIV-infected patients
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Sperm Antioxidant Biomarkers and Their Correlation with Clinical Condition and Lifestyle with Regard to Male Reproductive Potential
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Mineral Composition and Antioxidant Potential in the Common Poppy (Papaver rhoeas L.) Petal Infusions
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Selenium and mercury concentrations, Se:Hg molar ratios and their effect on the antioxidant system in wild mammals
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Comparison of bioactive compounds, antioxidant and antiproliferative activities of Mon Thong durian during ripening
PublikacjaCelem przeprowadzonych badań było oszacowanie zmian zawartości związków odżywczych, związków bioaktywnych, kwasów tłuszczowych oraz przeciwutleniaczy w owocach duriana w trakcie różnych etapów procesu dojrzewania. W badaniach wykorzystano testy CURRAC, DPPH, ABTS i FRAP. Stwierdzono, że całkowita zawartość polifenoli, flawonoidów, kwasu askorbimowego, tanin oraz poziom aktywności przeciwutleniającej jest dla owoców niedojrzałych,...
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Lipid mediators involved in the oxidative stress and antioxidant defence of human lung cancer cells
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Variability of Hordeum vulgare L. Cultivars in Yield, Antioxidant Potential, and Cholinesterase Inhibitory Activity
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Characteristic of antioxidant activity of dry-cured pork loins inoculated with probiotic strains of LAB
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Role of Litsea cubeba Essential Oil in Agricultural Products Safety: Antioxidant and Antimicrobial Applications
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Antimicrobial and antioxidant activities of Cinnamomum cassia essential oil and its application in food preservation
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Analysis of antioxidant capacity and polyphenol content of Goji fruit products available on the European market
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Chemical Composition and Antioxidant Properties of Powders Obtained from Different Plum Juice Formulations
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EDS1-Dependent Cell Death and the Antioxidant System in Arabidopsis Leaves is Deregulated by the Mammalian Bax
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Ginsenoside and phenolic compounds in hydromethanolic extracts of American ginseng cell cultures and their antioxidant properties
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Lobularia libyca: Phytochemical Profiling, Antioxidant and Antimicrobial Activity Using In Vitro and In Silico Studies
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