spasm

1,3,5,8-Tetrahydroxyxanthone (Desmethylbellidifolin) is a natural xanthone extracted from Gentianella acuta, exhibiting antispasmodic and anti-inflammatory activities. Dimethylbellidifolin shows mutagenicity in Salmonella typhimurium TA100, TA98, TA97, and TA2637 by the preincubation method and significantly inhibits the growth of Staphylococcus aureus at a dose of 200 µg/disk.