Question: mandelic acid has antibacterial properties?
Answer: Mandelic acid is hydroxy-acid active against some bacteria (Staphylococcus aureus, Proteus spp., Escherichia coli, Aerobacter aerogenes etc.) in the range of 350-500 mg/L [4, 5]. It is a nontoxic substance which has a long history of use as an antibacterial agent in the treatment of urinary tract infections. ...