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Search results for: cocoa extracts
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Regulation of Cellular Redox Homeostasis by (–)-Epicatechin and Cocoa Extracts—A Pilot Study
PublicationCocoa polyphenols play an important role in protection against diseases in which oxidative stress is implicated as a causal or contributing factor. The main aim of this study was to elucidate the influence of different cocoa extracts and main cocoa bioactive compound (–)-epicatechin on cell growth and support of antioxidant cellular barrier in colon adenocarcinoma cell line model (HT29). Results show that the tested cocoa bioactivity...
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REGULATION OF CELLULAR REDOX HOMEOSTASIS BY (-)-EPICATECHIN AND COCOA EXTRACTS – PILOT STUDY
PublicationCocoa polyphenols play an important role in protection against diseases in which oxidative stress is implicated as a causal or contributing factor. The main aim of this study was to elucidate the influence of different cocoa extracts and main cocoa bioactive compound (–)-epicatechin on cell growth and support of antioxidant cellular barrier in colon adenocarcinoma cell line model (HT29). Results show that the tested cocoa bioactivity...
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Interactions between bioactive components determine antioxidant, cytotoxic and nutrigenomic activity of cocoa powder extract
PublicationNumerous studies have shown, rather disappointingly, that isolated bioactive phytochemicals are not as biologically effective as natural plant products. Such a discrepancy may be explained by the concept of food synergy, which was verified in this research for cocoa extract versus its major components with regard to cancer chemoprevention. The evaluation embraced the relationship between redox properties evaluated in cell-free systems...
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Flavones in cocoa defence against Phytophthora megakarya
PublicationCross-pollination of suitable genotypes and earlier selection of elite offspring using adequate plants-associated defence markers in plantlets leaves are decisive for development of T. cacao genotypes tolerant to black pods disease (BPD). T. cacao plantlets from manual cross-pollination of ♀SNK64 × ♂UPA143 were analyzed for their susceptibility to BPD using leaf disc test. Subsequently, leaves (healthy, wounded and wound+infected)...
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In vitro and in silico assessment of anti-inflammatory activity of cocoa powders
PublicationPlants are considered the major sources of biologically active compounds, which provide unlimited opportunities for their use either as medical treatments or as novel drug formulations. Cocoa powder is frequently used in nutrition and is known to have many benefits thanks to its wide range of biological activities. The presented study was focused on th evaluation of the anti-inflammatory potential of extracts obtained from cocoa...
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Comparative Analysis of the Cofee and Cocoa Industry By‑Products on the Performance of Polyethylene‑Based Composites
PublicationThe application of plant-based by-products from the food industry as minimally processed functional fillers for polymeric composites is an increasingly popular trend among researchers and manufacturers. While minimizing the preprocessing of lignocellulosic fillers leads to an increase in the sustainability of the overall composite and a decrease of the carbon footprint, filler modification is usually indispensable to obtaining...
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The antioxidant properties of alcoholic extracts from Sambucus nigra L. (antioxidant properties of extracts)
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Analysis of Green Algae Extracts
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Biomass and Extracts of Algae as Material for Cosmetics
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TOXICOLOGICAL ASSESSMENT OF FOOD PACKAGES EXTRACTS
PublicationIn the scientific literature related to the widely understood issue of packaging materials designed to have contact with food (Food Contact Materials – FCM) there is much information on raw materials used for their production, their physiochemical properties, types and parameters. There is also a great number of publications on the management and disposal of used packaging. Unfortunately, not much attention is given to the matters...
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Scleranthus perennis extracts prolonged the honeybee lifespan
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Simultaneous determination of polyphenolics in extracts of Potentilla species
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Właściwości fizyczne mieszanek trójskładnikowych zawierających masło kakaowe. Physical properties of ternary fat blends containing cocoa butter.
PublicationBadano właściwości fizyczne (zawartość fazy stałej i charakterystyki topnienia) trójskładnikowych mieszanek zawierających obok masła kakaowego, tłuszcz mleczny oraz frakcję łoju o wąskim zakresie topienia. W porównaniu z tłuszczem mlecznym, frakcja łoju w mniejszym stopniu ograniczała powstawanie formy beta oraz obniżała zawartość fazy stałej w mieszance.
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A Three-Step Approach to Estimation of Reduction Potentials of Natural Mixtures of Antioxidants Based on DPPH Test; Illustration for Catechins and Cocoa
PublicationThe aim of this study is to propose a methodology to assess electrochemical properties of complex mixtures of antioxidants, such as plant extracts, based on the results of simple and popular DPPH test. The first, most difficult step, involves determinations of standard reduction potentials (E0) for the series of purified compounds (here catechins). The next step is the calculation of stoichiometric values (n10) based on the results...
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Application of Algae Biomass and Algae Extracts in Cosmetic Formulations
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Kalanchoe sp. Extracts—Phytochemistry, Cytotoxic, and Antimicrobial Activities
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Investigation of antifungal and antibacterial potential of green extracts of propolis
PublicationPropolis extracts have been used in traditional medicines since ages due to its advantageous complex chemical composition. However, the antibacterial and antifungal activity of poplar propolis extracts prepared in Natural Deep Eutectic Solvent (NADES) are seldom studied. This study investigates suitable alternate for ethanol as a solvent for extraction for Polish poplar propolis. It also attempts to identify suitable extraction...
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The Anti-Staphylococcal Potential of Ethanolic Polish Propolis Extracts
PublicationAbstract: The principal objective of this study was to determine the anti-staphylococcal potential of ethanol extracts of propolis (EEPs). A total of 20 samples of propolis collected from apiaries located in different regions of Poland were used in the study. The two-fold broth microdilution method revealed some important differences in the antimicrobial activity of investigated EEPs. Up to the concentration of 4096 µg/mL no activity...
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Antimicrobial and antifungal activities of the extracts and essential oils of Bidens tripartita.
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Anticariogenic effects of extracts and fractions of Potentilla recta and their antioxidant activity
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ASSESSMENT OF TOXIC EFFECT AND ENDOCRINE POTENTIAL OF FOOD PACKAGES EXTRACTS
PublicationIn the scientific literature related to the widely understood issue of packaging materials designed to have contact with food there is much information on raw materials used for their production, their physiochemical properties, types and parameters. There is also a great number of publications on the management and disposal of used packaging. Unfortunately, not much attention is given to the matters concerning migration of toxic...
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Removal of sulfur from a solvent extract
PublicationThe presence of sulfur in a solvent extract that is to be analyzed chromatographically impairs and sometimes precludes properinterpretation of the chromatogram, as the sulfur peak masks the peaks of other compounds present in the sample, and sulfur alsodisrupts the operation of the mass detector. This means that discrepancies in the results can lead to erroneous interpretations andfalse assessments of environmental risk. For this...
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Wound Healing Properties of Jasione montana Extracts and Their Main Secondary Metabolites
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Development of HPTLC method for quantification of flavonoids in extracts of the selected Potentilla species
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Screening of antimicrobial activity of aqueous extracts of selected Potentilla L. species
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The influence of extracts from Potentilla species on normal human colon cells
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Supercritical Algal Extracts: A Source of Biologically Active Compounds from Nature
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Antithrombotic Potential of Tormentil Extract in Animal Models
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Effect of Ethanol Extracts of Propolis (EEPs) against Staphylococcal Biofilm—Microscopic Studies
PublicationStaphylococci growing in the form of biofilm exhibit high resistance to a plethora of antibiotics. The aim of the study was to assess the influence of ethanolic extract of propolis (EEPs) on S. epidermidis ATCC 35984 biofilm using fluorescent microscopy. Propidium iodide (PI) and SYTO 9 were used for differentiation of live and dead cells, and calcofluor white was used to stain the extracellular matrix, the self-produced extracellular...
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Application for novel electrochemical screening of antioxidant potential and phytochemicals in Cornus mas extracts
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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 antifungal activity of extracts from different Juglans regia cultivars and juglone
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Fertility Rate and Assessment of the Cytoprotective Capacity of Various Types of Holothuroidea Extracts on Spermatozoa
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Silybum marianum glycerol extraction for the preparation of high-value anti-ageing extracts
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Phytochemical Profiling of Extracts from Rare Potentilla Species and Evaluation of Their Anticancer Potential
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Hottonia palustris L. extracts as Apis mellifera boosters in the fight against nosemosis
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Assessing Acute Toxicity of Selected Packages Internal Layers Extracts using Microtox®
PublicationIn the scientific literature related to the widely understood issue of packaging materials designed to have contact with food (food contact materials), there is much information on raw materials used for their production, as well as their physiochemical properties, types and parameters. Unfortunately, not much attention is given to the issues concerning migration of toxic substances from packaging and its actual influence on the...
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Phytochemical screening and biological evaluation of Greek sage (Salvia fruticosa Mill.) extracts
PublicationThis study explores the influence of extraction solvents on the composition and bioactivity of Salvia fruticosa extracts. Ultrasound-assisted extraction with water, ethanol and their mixtures in variable proportions was used to produce four different extracts. An untargeted UPLC/MS‑based metabolomics was performed to discover metabolites profile variation between the extracts. In the analyzed samples, 2704 features had been detected,...
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Multidirectional Effects of Tormentil Extract on Hemostasis in Experimental Diabetes
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Potentilla erecta extract inhibits arterial thrombosis in rat
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The chromatographic analysis of extracts from poplar (Populus sp.) - Laying program GC-MS
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The Common Cichory (Cichorium intybus L.) as a Source of Extracts with Health-Promoting Properties—A Review
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Effects of Cirsium palustre Extracts and Their Main Flavonoids on Colon Motility—An Ex Vivo Study
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Evaluation of the anti-tyrosinase activity of extracts and rare flavonoids from Scleranthus perennis L.
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In vitro antioxidant, anti-inflammatory activities and acetylcholinesterase inhibition properties of selected plant extracts
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Determination of anti-tyrosinase activity of acetone extracts from selected Potentilla L. species.
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In Vitro Antiproliferative and Antioxidant Effects of Extracts from Rubus caesius Leaves and Their Quality Evaluation
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Ginsenoside and phenolic compounds in hydromethanolic extracts of American ginseng cell cultures and their antioxidant properties
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Biological activities of leaf extracts from selected Kalanchoe species and their relationship with bufadienolides content
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Mangiferin Has an Additive Effect on the Apoptotic Properties of Hesperidin in Cyclopia sp. Tea Extracts
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