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The Mechanism Of Plant Scavenging Free Radical Scavenging
Oct 23, 2017

The  results show that the generation and response of excess free radicals  and reactive oxygen species in the body are closely related to the  occurrence and development of many diseases and the aging process of the  organism. Free  radicals of reactive oxygen species can destroy biological  macromolecules (such as proteins, enzymes and DNA, etc.), causing DNA  mutations or breaks, functional proteins and membrane structure damage. Free radical damage to the body, is to accelerate the aging of the human body an important incentive. Supplementation of antioxidant nutrients helps to reduce oxidative damage and delay. Therefore, looking for effective scavenging free radical activity of  antioxidant food and Chinese herbal medicine for the protection of human  health is of great significance.
The  mechanism by which natural products scavenge free radicals is complex  and is generally associated with high antioxidant components (such as  flavonoids, tannins, unsaturation) contained in natural products in  relation to the antioxidant active substances rich in natural products Fatty  acids, vitamins, etc.) to supplement the body of antioxidants to  improve the body's endogenous antioxidant enzyme activity to prevent the  formation of free radical chain reaction and further damage. It  is reported that flavonoids and phenolic compounds have the effect of  scavenging free radicals, and the structural factors related to  antioxidant activity, such as the number and location of phenolic  hydroxyl groups, the steric hindrance and the scavenging of the monomer The  ability of free radicals has a certain relationship, such as catechins  and their oxides containing a number of free phenolic hydroxyl, has a  strong ability to provide hydrogen protons, so that a high degree of  oxidation of free radicals to achieve termination Free radical scaffold reaction, to achieve the purpose of scavenging free radicals.