Inhibitory Activities of Stauntonia hexaphylla Leaf Constituents on Rat Lens Aldose Reductase and Formation of Advanced Glycation End Products and Antioxidant

Table 3

Inhibitory effect of compounds isolated from Stauntonia hexaphylla leaves on advanced glycation end products (AGEs) formation.

Compounds	IC50
3-(3,4-Dihydroxyphenyl)-propionic acid (1)	184.06 ± 17.62
Chlorogenic acid (2)	>1000
Neochlorogenic acid (3)	115.07 ± 10.47
Calceolarioside B (4)	>1000
Luteolin-3′-O-β-D-glucopyranoside (5)	117.80 ± 11.46
Quercetin-3-O-β-D-glucopyranoside (6)	>1000
Luteolin-7-O-β-D-glucopyranoside (7)	>1000
	820.44 ± 79.42

IC₅₀ value was defined as a mean ± SEM of half-maximal inhibitory concentration from three independent experiments performed in duplicate.
is the positive control for advanced glycation end products.