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1. As a skin conditioner, dihydromyricetin can effectively inhibit the generation of cellular ROS, reduce the expression of apoptotic factors and inflammatory factors, reduce the oxidative damage of cells, reduce the inflammatory reaction and apoptosis of cells, and achieve the effect of preventing and treating skin photodamage. It is often used in the isolation cream for the prevention and treatment of skin damage.
2. Dihydromyricetin has strong inhibitory activity against Bacillus subtilis, Escherichia coli, Staphylococcus aureus, Streptococcus and other bacteria. The lowest bactericidal concentrations (MBC) for Escherichia coli and Staphylococcus aureus were 1.76 g/L and 0.88 g/L, respectively. The lowest bactericidal concentrations (MBC) for Streptococcus and Bacillus subtilis were higher than 3.52 g/L, and the bacteriostatic effect was in the environment of pH 3-4
However, the inhibitory effect on fungi was not obvious. In addition, dihydromyricetin can also be used as whitening agent or natural complex antibacterial agent.
3, antioxidant effect
The purity of 98% dihydromyricetin can significantly inhibit the formation of malondialdehyde (MDA) in the homogenates of rat myocardium, liver and brain tissue, and the inhibitory effect of the formation of MDA increases with the increase of the concentration of dihydromyricetin. The content of 99% dihydromyricetin has the scavenging rate of diphenyltritrophenylhydrazine (DPPH) free radical in the test system