3-Hydroxyimino derivatives of minor licorice triterpenoids possessed pronounced antiulcer activity and protected rat gastric mucosa from ulceration in indomethacin and orthophen ulcer models at a dose of 50 mg/kg.
3-Hydroxyimino-11-deoxoglycyrrhetic acid was the most active antiulcerogenic substance and was superior
in activity to carbenoxolone