Antioxidant - Wikipedia
网页Structure of the antioxidant glutathione. Antioxidants are compounds that inhibit oxidation (usually occurring as autoxidation), a chemical reaction that can produce free radicals. Autoxidation leads to degradation of organic compounds, including living matter.
ANTIOXIDANT中文(简体)翻译：剑桥词典 - Cambridge Dictionary
网页noun [ C ] uk / ˌæn.tiˈɒk.sɪ.d ə nt / us / ˌæn.t̬iˈɑːk.sɪ.d ə nt / Add to word list. a substance that slows down the rate at which something decays because of oxidization. 抗氧化剂，阻氧 …
Introduction to Basic Principles of Antioxidant Activity
网页2021年10月12日 · The term “antioxygen” was used to describe compounds which were believed to act catalytically by retarding the oxidation reaction by undergoing oxidation themselves. 142,147 They proposed that the primary role of an antioxygen was to convert substrate peroxides (at that time of indeterminate structure, but assumed to involve some ...
Antioxidant Agent - an overview | ScienceDirect Topics
网页An antioxidant is the substrate that prevents the oxidation of molecules inside a cell. It is a well-known chemical process that allows the removal of electrons or hydrogen from a substance. Free radicals are produced during the biological oxidation reaction. Because the radicals are reactive, they start the chain reaction simultaneously.
Definition, Types, Benefits and Quiz - Biology Dictionary
网页2017年5月2日 · Antioxidants are molecules that prevent the oxidation of other molecules. Oxidation is a chemical reaction in which electrons are lost. In living things, this process can be harmful, leading to the breakdown of organic molecules.
Antioxygen Definition & Meaning - Merriam-Webster
网页noun. an· ti· ox· y· gen. plural -s. : antioxidant. antioxygenic. ¦⸗ (ˌ)⸗ˌ⸗⸗¦⸗⸗. adjective. Word History. Etymology. anti- entry 1 + oxygen. Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Analytical Methods Used in Determining Antioxidant Activity: A …
网页2021年3月25日 · The methods and instruments used to measure the activity of the antioxidants have made remarkable progress in the past few decades. Early methods measure the efficiency of the antioxidants against the formation of particular species of oxidation products and thus, are based on measuring lipid oxidation.
Explainer: What are oxidants and antioxidants? - Science News …
网页2008年3月19日 · Antioxidants are chemicals that may help fight damage due to disease and aging. These powerful compounds work by blocking what’s known as oxidation. That’s a type of natural chemical reaction (often involving oxygen). And this reaction can harm cells. The molecules that trigger oxidation are called oxidants.
Antioxidant | Free Radicals, Oxidative Stress & Reactive Oxygen …
网页2024年8月21日 · Antioxidant, any of various chemical compounds added to certain foods, natural and synthetic rubbers, gasolines, and other substances to retard autoxidation, the process by which these substances combine with oxygen in the air at room temperature.
Understanding mechanisms of antioxidant action in health and …
网页2023年9月15日 · ROS levels are modulated by an antioxidant defence network, the principal components of which are endogenous enzymes (Table 1), aided by diet-derived antioxidants (Table 2). The slight tilt to the...
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