Table 1.

Initial screening of major (S,S,R-5), minor (S,S,R-5) and racemic (Rac-5) for various in vitro targets.

Compound (500 μM/mL)	α-Glucosidase % Inhibition	α-Amylase % Inhibition	PTP-1B % Inhibition	DPPH % Inhibition
S,S,R-5	83.13 ± 0.80	78.85 ± 2.24	88.35 ± 0.89	92.23 ± 0.22
S,S,R-5	73.15 ± 1.23	72.65 ± 0.65	65.42 ± 1.02	70.21 ± 2.11
Rac-5	62.31 ± 0.66	56.32 ± 1.66	54.00 ± 0.54	49.25 ± 1.05