3,4-dihydroxybenzoic acid is a kind of phenolic acid naturally existing in fruits, vegetables, hibiscus flowers, tea and other foods and plants. Its appearance is white to brown crystalline powder, which can be used in hot water, ethanol, ether, acetone and ethyl acetate. We suggest sealing when preserving 3,4-dihydroxybenzoic acid, Avoid long-term exposure to the air to change the color.
Because 3,4-dihydroxybenzoic acid has a variety of biological activities, it can not only have antibacterial effect on Diplococcus pneumoniae, Haemophilus influenzae, Staphylococcus albus, Staphylococcus aureus, Pseudomonas aeruginosa, Proteus and Escherichia coli, but also inhibit the new metabolism of cancer cells, reduce its invasion ability, and promote the apoptosis of cancer cells, so as to achieve the effect of anti-cancer.
