4. Discussion
Although Murdannia bracteata is traditionally consumed to treat liver cancer and diabetes,to our knowledge,this is the first study to verify these bioactivities.The cytotoxicity of Murdannia bracteata extracts against HepG2 and the apoptotic gene expression profile of the most potent extract were assessed by the methylene blue assay and RT-PCR,respectively,whereas the α-glucosidase inhibitory assay was used to determine the anti-diabetic activities of the extracts.