نتایج جستجو برای: superoxide radicals
تعداد نتایج: 57048 فیلتر نتایج به سال:
In this study, antioxidant and free radical scavenging activities of the natural antioxidative compound, pyrogallol-phloroglucinol-6,6'-bieckol (PPB) isolated from brown algae, Ecklonia cava was assessed in vitro by measuring the radical scavenging activities (DPPH, alkyl, hydroxyl, and superoxide) using electron spin resonance (ESR) spectrometry, intracellular reactive oxygen species (ROS) sca...
This study was conducted to evaluate the radical scavenging capacities of extracts and preparations from a Lavandula vera MM plant cell culture with different rosmarinic acid content and to compare them with pure rosmarinic and caffeic acids as well. The methods, which were used are superoxide anion and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt radicals scavenging a...
Reactive oxygen species (ROS) are produced by a wide variety of chemicals and physiological processes in which enzymes catalyse the transfer of electrons from a substrate to molecular oxygen. The immediate products of such reactions, superoxide anion radicals and hydrogen peroxide can be metabolised by enzymes such as superoxide dismutase (SOD) and catalase (CAT), respectively, and depending on...
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