Biological Activities and Chemistry of Triterpene Saponins from Medicago Species: An Update Review

Table 3

Saponins from M. polymorpha leaves and roots.

Aglycone	No.	3-OH substituted	28-COOH substituted	Formula weight	Ref.
Echinocystic acid	31^∗	α-L-Ara	β-D-Glc	C41H66O13 766	[27]
	32^∗	α-L-Ara	β-D-Glc(1⟶6)-β-D-Glc	C47H76O18 928	[27]
	33	β-D-Glc(1⟶2)-α-L-Ara	β-D-Glc(1⟶6)-β-D-Glc	C53H86O23 1090	[27]
	34	α-L-Ara	—	C35H56O8 604	[27]
	35	β-D-Glc	—	C36H58O9 634	[25]
Hederagenin	36	α-L-Rha(1⟶2)-α-L-Ara	β-D-Glc(1⟶6)-β-D-Glc	C53H86O22 1074	[27]
	37	β-D-Glc(1⟶2)-α-L-Ara	β-D-Glc	C47H76O18 928	[27]
	38	α-L-Ara	β-D-Glc	C41H66O13 766	[27]
	39	α-L-Rha(1⟶2)-α-L-Ara	—	C41H66O12 750	[25, 27]
	40	α-L-Ara	—	C35H56O8 604	[27]
Soyasapogenol B	41	α-L-Rha(1⟶2)-β-D-Gal(1⟶2)-β-D-GluA	—	C48H78O18 942	[27]
Caulophyllogenin	42	α-L-Ara	—	C35H56O9 620	[27]
Bayogenin	43	α-L-Ara	—	C35H56O9 620	[27]