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Superoxide Dismutase: material introduction and chemical reaction

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Superoxide Dismutase (SOD), alias liver protein, abbreviation: SOD. SOD is an active substance derived from living organisms that can eliminate harmful substances produced by organisms during metabolism. The body's constant supplementation of SOD has the special effect of anti-aging. Superoxide Dismutase (SOD) is the first time in 1938 that superoxide dismutase was isolated from bovine red blood cells. People have studied SOD for more than 70 years. In 1969, McCord and others rediscovered the protein and discovered their biological activity. They clarified the nature of the disproportionation reaction of peroxy anion, so they were officially named superoxide dismutase.


Material introduction

Superoxide Dismutase (SOD) is a new type of enzyme preparation. It is widely distributed in the biological world, almost from animals to plants, even from humans to single-celled organisms. SOD is regarded as the most magical enzyme in life science and the garbage scavenger in the human body. SOD is the natural enemy of oxygen free radicals, the number one killer of oxygen free radicals in the body, and the basis of life and health.

Super Oxide Dismutase is an important antioxidant enzyme in the body and is widely distributed in various organisms such as animals, plants and microorganisms. SOD has special physiological activity and is the primary substance for scavenging free radicals in living organisms. The level of SOD in the body means a visual indicator of aging and death; it has been confirmed that there are more than 60 diseases caused by oxygen free radicals. It can fight and block the damage caused by oxygen free radicals, and repair damaged cells in time, and damage the cells caused by free radicals. Due to the pressure of modern life, environmental pollution, various radiation and excessive movement will cause a large number of oxygen free radicals; therefore, the role of SOD in biological antioxidant mechanisms is becoming more and more important!

SOD type: superoxide dismutase can be divided into three kinds according to the different metal auxiliary groups. The first one is copper (Cu) zinc (Zn) metal auxiliary group (Cu.Zn-SOD), the most common An enzyme that is green, mainly found in the body's cytoplasm; the second is a manganese-containing (Mn) metal prosthetic group (Mn-SOD), which is purple, present in mitochondria and prokaryotic cells of eukaryotic cells. The third type is the iron (Fe) metal prosthetic group (Fe-SOD), which is yellowish brown and is present in prokaryotic cells.

Chemical reaction

Superoxide Dismutase (SOD), which catalyzes the following reactions:


O2- is called superoxide anion radical, which is an intermediate product naturally formed in various physiological reactions of organisms. It is a kind of active oxygen, has strong oxidizing ability, and is one of the important factors of biological oxygen toxicity.

SOD is a naturally occurring superoxide radical scavenging factor in the body, which converts harmful superoxide radicals into hydrogen peroxide by the above reaction. Although hydrogen peroxide is still a harmful oxygen to the body, the body's catalase (CAT) and peroxidase (POD) immediately break it down into completely harmless water. In this way, the three enzymes form a complete antioxidant chain.

About Author:

Creative Enzymes is a US-based biotech company that has rich expertise in enzyme manufacturing, such as Catalase, Pectinase, Glucose Oxidase, for life science research and production of medicines, food, alcohol, beer, fruit juice, fabric, paper, leather goods, etc.

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