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Search results for: food microstructure and texture
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Comparison of the main bioactive compounds and antioxidants in garlic and white and red onion after treatment protocols
PublicationPolski czosnek, biała i czerwona cebula była blanszowana, gotowana, smażona i poddawana działaniom promieniowania mikrofalowego. Następnie były w nich oznaczane m.in. takie związki jak polifenole, flawonoidy, kwas ascorbinowy i aktywne antyoksydanty. Udowodniono, że blanszowanie, smażenie i poddawanie działaniu promieniowania mikrofalowego nie wpływa znacząco na zmiejszenie zawartości badanych związków w czosnku i cebuli. Wyznaczono...
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Effect of transglutaminase and EDC on biodegradation of fish gelatin and gelatin-chitosan films
PublicationCelem pracy było zbadanie podatności usieciowanych folii opakowaniowych z naturalnych polimerów na enzymatyczną hydrolizę. Niemodyfikowane folie żelatynowe były całkowicie hydrolizowane przez pepsynę i proteinazę N oraz w 60% przez pepsynę. Sieciowania przy użyciu transglutaminazy lub EDC zmiejszyło podatność folii na hydrolizę tylko przez pepsynę. Obecność chitozanu w dwuskładnikowych foliach modyfkownych EDC zmniejszyła stopień...
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Functional properties of Cornelian cherry (Cornus mas L.): a comprehensive review
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Identification and characterization of tetracycline resistance in Lactococcus lactis isolated from Polish raw milk and fermented artisanal products
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Comparison of Antioxidant Activity of Protein Isolates Derived from Selected Dry-Cured Meat Products
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Selected nutrients determining the quality of different cuts of organic and conventional pork
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Free Amino Acids and Biogenic Amines Content during Ageing of Dry-cured Pork Loins Inoculated with <i>Lactobacillus casei</i> ŁOCK 0900 Probiotic Strain
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Determination of biogenic amines in processed and unprocessed mushrooms from the Polish market
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Particle swarm optimization–artificial neural network modeling and optimization of leachable zinc from flour samples by miniaturized homogenous liquid–liquid microextraction
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Effect of Inoculation with Probiotics and Ageing Time on Selected Functional Properties and Oxidation of Proteins in Dry-Cured Pork Loins
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Influence of sonication on Warner-Bratzler shear force, colour and myoglobin of beef (m. semimembranosus)
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Water properties in pâtés enriched with potato juice
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Effect of the various fats on the structural characteristics of the hard dough biscuit
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Production of wheat bread with spray-dried potato juice: Influence on dough and bread characteristics
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Thermal processing of pasta enriched with black locust flowers affect quality, phenolics, and antioxidant activity
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Aroma profile and lactic acid bacteria characteristic of traditional Slovak cheese “May bryndza”
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Changes in chemical composition and oxidative stability of cold-pressed oils obtained from by-product roasted berry seeds
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Selected dried fruits as a source of nutrients
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Short Term Monitor of Photodegradation Processes in Ranitidine Hydrochloride Observed by FTIR and ATR FTIR
PublicationThe effects of degradation of ranitidine hydrochloride exposed to UVB radiation (l = 310 nm) and oxygen in a weathering chamber were studied by Fourier Transform Infrared spectroscopy (FTIR) and Attenuated Total Reflectance Fourier Transform Infrared spectroscopy (ATR-FTIR). ATR-FTIR profile indicated that the degradation was spatially heterogeneous. Significant amounts of photoproducts were detected only in a directly...
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Influence of stage of lactation and year season on composition of mares' colostrum and milk and method and time of storage on vitamin C content in mares' milk
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The effects of variable nitrogen fertilization on amino acid content in sweet potato tubers (Ipomoea batatas L. [Lam.]) cultivated in central and eastern Europe
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Antioxidant properties and resveratrol content of Polish Regent wines from Podkarpacie region
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Compositional characteristics and nutritional quality of European beaver (Castor fiber L.) meat and its utility for sausage production
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Quality and nutritional properties of corn snacks enriched with nanofiltered whey powder
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Effects of starch type and concentration on the physicochemical properties of bilayer‐stabilized oil‐in‐water emulsion gels enriched with β‐1,3/1,6‐D‐glucans
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Susceptibility to Oxidation of Selected Freshwater Fish Species Lipids as a Potential Source of Fish Oil in Dietary Supplements
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Hypoglycaemic, antioxidative and phytochemical evaluation of Cornus mas varieties
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Determining the true content of quercetin and its derivatives in plants employing SSDM and LC–MS analysis
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A Central Composite Design in increasing the quercetin content in the aqueous onion waste isolates with antifungal and antioxidant properties
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Relationship of colour with the phytocompounds present in Cornus mas cultivars
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Freezing enhances the phytocompound content in cornelian cherry (Cornus mas L.) liqueur
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The antioxidant properties of alcoholic extracts from Sambucus nigra L. (antioxidant properties of extracts)
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Stevia, kaa hee, wild sweet herb from South America - An overview
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Genetic characterization of the CcpA-dependent, cellobiose-specific PTS system comprising CelB, PtcB and PtcA that transports lactose in Lactococcus lactis IL1403
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Elemental characteristics of mushroom species cultivated in China and Poland
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Polyphenols composition, antioxidant and antimicrobial properties of Pinus sylvestris L. shoots extracts depending on different drying methods
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Bio-enriched Pleurotus mushrooms for deficiency control and improved antioxidative protection of human platelets?
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Starter cultures as a reservoir of antibiotic resistant microorganisms
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Properties of retrograded and acetylated starch preparations: Part 1. Structure, susceptibility to amylase, and pasting characteristics
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Analysis of molecular structure of starch citrate obtained by a well-stablished method
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Effect of different drying techniques on physical properties, total polyphenols and antioxidant capacity of blackcurrant pomace powders
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The Influence of Selected Drying Methods on the Physical Properties of Dried Apples cv. Jonagold Grown in Different Locations in Europe
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Effect of drying parameters on the formation of early and intermediate stage products of the Maillard reaction in different plum (Prunus domestica L.) cultivars
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Phytotoxic Metabolites Produced by Diaporthella cryptica, the Causal Agent of Hazelnut Branch Canker
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Uncertainty of antioxidant profiling in complex mixtures using liquid chromatography involving post-column derivatisation
PublicationThe main goal of this paper is to discuss the problems associated with antioxidant profiling in complex samples using a high-throughput HPLC system coupled with post-column derivatisation reactor. Based on the experimental data reported in the literature, we demonstrated that improper optimisation of temperature and/or pH assay conditions performed using an on-line derivatisation reactor may substantially change the antioxidant...
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HPLC-coupled post-column derivatization aims at characterization and monitoring of plant phytocomplexes, not at assessing their biological properties
PublicationTwo recent decades of research identified a number of environmental factors as well as mechanisms leading to pathogenic processes in the human organism. A common factor in pathogenesis of many diseases is oxidative stress, a condition in which the production of damaging reactive oxygen species (ROS), present in the body as an inevitable consequence of respiration and exacerbated by the inflammatory response and by exogenous factors...
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Chemical composition analysis and authentication of whisky
PublicationW pracy przedstawiono informacje dotyczące porównania różnych rodzajów whisky i innych napojów alkoholowych, identyfikacji różnych rodzajów whisky, oceny jakości i potwierdzania autentyczności whisky. Ponadto w pracy omówiono różne techniki stosowane w analizie whisky, takie jak gazową i cieczową chromatografię z różnymi detektorami (FID, AED, UV-vis), nos elektroniczny, spektrometrię absorpcji atomowej i spektrometrię mas. Ponadto...
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Rheology of potato starch chemically modified with microwave-assisted reactions
PublicationNative potato starch was sulfated, selenated, borated, silicated and zincatated by means of microwave-assisted reactions with varying doses of relevant reagents. Resulting products were characterized involving rheological behavior of pastes, their weight-average molecular weight (Mw), and radius of gyration (Rg). Most of the pastes showed shear-thinning behavior, with the flow behavior index (n) below unity. The pastes of starch...
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Phenolic composition and antioxidant properties of polish blue-berried honeysuckle genotypes by HPLC-DAD-MS, HPLC postcolumn derivatization with ABTS or FC, and TLC with DPPH visualization
PublicationIn this study, different Polish cultivars of blue-berried honeysuckles (Lonicera caerulea L.), wild and bog bilberry, were analyzed for bioactive compounds. The chemical properties verified included composition of anthocyanins and other polyphenols, antioxidant activity, and profiles of antioxidants by HPLC postcolumn derivatization or TLC. The antioxidant activities of different blue-berried honeysuckle cultivars were similar...
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Organic and conventional kiwifruit myths versus reality: antioxidant, antiproliferative and health effects
PublicationComparison between organic and conventional kiwifruit cultivars ''Hayward'' and ''Bidan'', which was done by four redical scavenging assays, ESI-MS, and DSC measurements, showed significant differences between 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...