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The research examined green tea ethanol extract, subjected to different purification processes with use of active carbon, bleaching earth, and mixture of acetone, acetic acid, water, with or without earlier hexane treatment. Purified extracts were examined according to total polyphenols content, antioxidant activity in linoleic acid emulsion and antiradical activity in DPPH• radical scavenging method...
Reactive oxygen species are postulated to be involved in systemic inflammation and oxidative stress in patients with obesity. Activated polymorphonuclear neutrophils (PMNs) generate extremely high amounts of reactive oxygen species, but these are normally targeted at pathogens inside intracellular phagosomes. The same beneficial antimicrobial functions, if not controlled, contribute to the tissue...
The objective of the investigations performed was to assess the antioxidant properties of the seeds and peels of selected fruits. The antioxidant activity as well as total polyphenol and tannin content were determined. The results obtained revealed essential diversities of the analysed parameters among the material examined. The peels were characterized by higher ability to scavenge free radicals...
The spraying with titanium is one of the agronomic practices used to stimulate the flowering, bearing of fruit and production of strawberry plants. The aim of the study was to assess the influence of titanium treatment (Ti4+-ascorbate) on L-ascorbic acid, total polyphenol, antioxidant activity, and phenolics profile of six strawberry fruit cultivars. The experiment was carried out on a commercial...
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