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

Table 2

Saponins from M. marina leaves and roots.

Aglycone	No.	3-OH substituted	28-COOH substituted	Formula weight	Ref.
Zanhic acid	20^∗	β-D-Glc(1⟶2)-β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Api(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C63H100O33 1384	[26]
	21^∗	β-D-Glc(1⟶2)-β-D-Glc	β-D-Xyl(1⟶4)-α-L-Rha(1⟶2)-α-L-Ara	C58H92O29 1252	[26]
	22	β-D-Glc(1⟶2)-β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Ara(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C63H100O33 1384	[26]
	23	β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Ara(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C57H90O28 1222	[26]
	24	β-D-Glc	β-D-Xyl(1⟶4)-α-L-Rha(1⟶2)-α-L-Ara	C52H82O24 1090	[26]
Medicagenic acid	25^∗	β-D-Glc(1⟶2)-β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Ara(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C63H100O32 1368	[26]
	26^∗	β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Ara(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C57H90O27 1206	[26]
	27	β-D-Glc(1⟶2)-β-D-Glc	β-D-Xyl(1⟶4)-[β-D-Api(1⟶3)]-α-L-Rha(1⟶2)-α-L-Ara	C63H100O32 1368	[26]
	28	β-D-Glc	β-D-Xyl(1⟶4)-α-L-Rha(1⟶2)-α-L-Ara	C52H82O23 1074	[26]
Soyasapogenol B	29	α-L-Rha(1⟶2)-β-D-Gal(1⟶2)-β-D-GluA	—	C48H78O18 942	[26]
Soyasapogenol E	30	α-L-Rha(1⟶2)-β-D-Gal(1⟶2)-β-D-GluA	—	C48H76O18 940	[26]