Vitamins

Nicotinamide Vitamin B3

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Nicotinamide Vitamin B3 
Niacinamide, also known as nicotinamide, vitamin B3, or vitamin PP, is a water-soluble vitamin belonging to the B group of vitamins. It is a component of coenzyme I (nicotinamide adenine dinucleotide, NAD) and coenzyme II (nicotinamide adenine dinucleotide phosphate, NADP). The nicotinamide part of these two coenzyme structures in the human body has reversible hydrogenation and dehydrogenation characteristics, playing a role in hydrogen transfer in biological oxidation, promoting tissue respiration, biological oxidation processes, and metabolism. It is of great significance for maintaining the integrity of normal tissues, especially the skin, digestive tract, and nervous system. When lacking, this product is mainly used to prevent and treat pellagra, stomatitis, glossitis, etc. due to the influence of cell respiration and metabolism.




















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Nicotinamide Vitamin B3 
Niacinamide is a white needle shaped crystalline or crystalline powder, odorless or slightly foul smelling, with a slightly bitter taste. Relative density 1.4, melting point 129-131 ℃. 1g of this product is soluble in 1mL of water, 1.5mL of ethanol, or 10mL of glycerol, and insoluble in ether. The pH of a 10% aqueous solution is 6.5-7.5. Has weak hygroscopicity. Relatively stable, capable of withstanding acid, alkali, and high temperatures, and stable to light and heat in dry air. Heating in alkaline or acidic solutions produces niacin. Oral LD502.5-3.5g/kg for rats, with no special regulations on ADI values (ECC, 1990).




















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