Research Article

Evaluation of α-Glucosidase Inhibitory Effect of 50% Ethanolic Standardized Extract of Orthosiphon stamineus Benth in Normal and Streptozotocin-Induced Diabetic Rats

Figure 1

HPLC chromatogram of standard markers and 50% ethanolic extract of O. stamineus. Standard compounds: TMF (3′-hydroxy-5,6,7,4′-tetramethoxyflavone), SEN (sinensetin), and EUP (eupatorin) (red chromatogram). HPLC chromatogram of 50% ethanolic extract of O. stamineus (black chromatogram).