A new steroidal saponin with antiinflammatory and antiulcerogenic properties from the bulbs of Allium ampeloprasum var. porrum

A new steroidal saponin was isolated from the bulbs of Allium ampeloprasum var. porrum. Its structure was established by spectroscopic techniques and chemical conversions. The steroidal saponin exhibited significant antiinflammatory and antiulcerogenic properties.157