3,4-dihydroxybenzoic acid is a water-soluble phenolic acid, which is widely used in many Chinese herbs such as Phyllanthus orientale, Orientin, Acanthopanax sessiliflorum and other plants, fruits, vegetables, tea and so on. Although 3,4-dihydroxybenzoic acid is a simple phenolic acid, it has different biological activities to different molecular targets and is used in medicine, health care products, food and other fields.
3,4-dihydroxybenzoic acid has antibacterial effects, can inhibit a streptococcus, pseudomonas aeruginosa, Staphylococcus aureus, etc., can relieve snake venom, and can also protect nerves. 3,4-dihydroxybenzoic acid can improve the survival ability of nerve stem or podial cells, and stimulate cell proliferation. Proper use of 3,4-dihydroxybenzoic acid can relieve and prevent some diseases, but excessive use of 3, 4-Dihydroxybenzoic acid may cause obvious acceleration of breathing and mental distress.