Antioxidant - Wikipedia
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.
Antioxidants Explained in Simple Terms - Healthline
2023年7月12日 · Antioxidants are molecules that fight free radicals in your body. Free radicals are compounds that can cause harm if their levels become too high in your body. They’re linked to …
Antioxidants: What They Do and Antioxidant-Rich Foods
2021年12月27日 · “Antioxidants are naturally occurring chemicals in foods that can serve as a defense against free radicals,” explains Hopsecger. “Free radicals are normal byproducts of metabolism that occur in our bodies or can be a result of …
Antioxidants and antioxidant methods: an updated overview
Screening of antioxidant properties of plants and plant-derived compounds requires appropriate methods, which address the mechanism of antioxidant activity and focus on the kinetics of the reactions including the antioxidants.
Understanding mechanisms of antioxidant action in health and …
2023年9月15日 · Antioxidants may have special roles in the gastrointestinal tract, and many lifestyle features known to promote health (especially diet, exercise and the control of blood glucose and cholesterol...
Recent Developments in Effective Antioxidants: The Structure and ...
Since the last few years, the growing interest in the use of natural and synthetic antioxidants as functional food ingredients and dietary supplements, is observed. The imbalance between the number of antioxidants and free radicals is the cause …
antioxidant - Encyclopedia Britannica
2024年11月7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.
Oxidative Stress and Antioxidant Defense - PMC
Regulation of reducing and oxidizing (redox) state is critical for cell viability, activation, proliferation, and organ function. Aerobic organisms have integrated antioxidant systems, which include enzymatic and nonenzymatic antioxidants that …
Antioxidant Compounds and Their Antioxidant Mechanism
2019年3月22日 · Antioxidant compounds act through several chemical mechanisms: hydrogen atom transfer (HAT), single electron transfer (SET), and the ability to chelate transition metals.
Nanoantioxidants: Pioneer Types, Advantages, Limitations, and …
Antioxidant functionalized metal nanoparticles, transition metal oxides, and nanocomposites have been identified as potent nanoantioxidants. They can be formulated in monometallic, bimetallic, and multi-metallic combinations via chemical and green synthesis techniques.