Protocatechuic acid_Kain Industrial Additives

Protocatechuic acid has antibacterial effects. In in vitro tests, it was effective against Pseudomonas aeruginosa, Escherichia coli, Typhoid bacilli, and dysentery. Bacillus, Alcaligenes, Bacillus subtilis and Staphylococcus aureus all have varying degrees of antibacterial effects. It also has the effect of eliminating phlegm and relieving asthma. Clinically used to treat chronic tracheitis. The LD50 of…