A γ-PYRONYL-TRITERPENOID SAPONIN FROM PISUM SATIVUM

Article abstract of DOI:10.1016/0031-9422(92)83294-9

A new triterpenoid saponin was isolated from Pisum sativum and characterized as 3-O-<α-L-rhamnopyranosyl-(1<*>2)-β-D-galactopyranosyl(1<*>2)-β-D-glucuronopyranosyl(1<*>)>-22-O-<3'-hydroxy-2'-methyl-5',6'-dihydro-4'-pyrone(6'<*>)>-3β,22β,24-trihydroxyolean-12-ene.The name chromosaponin I is proposed.Chromosaponin I yielded soyasaponin I, known as phytochrome inhibitor, during extraction, but the latter was not found in the free form in this plant. Key Word Index - Pisum sativum; Leguminosae; pea: phytochrome inhibitor; triterpenoid saponin; soyasaponin I derivative; chromosaponin I.