Figure 1From: Potent α-glucosidase and α-amylase inhibitory activities of standardized 50% ethanolic extracts and sinensetin from Orthosiphon stamineus Benth as anti-diabetic mechanism HPLC chromatogram of standard markers. Peaks: (a) Standard TMF (3′-hydroxy-5,6,7,4′-tetramethoxyflavone), SEN (sinensetin) and EUP (eupatorin). (b): HPLC chromatogram of 50% ethanolic extract of O. stamineus.Back to article page