In vitro antidiabetic, antioxidant activities and GC-MS analysis of and leaf extracts.

This study aimed to assess the antidiabetic, and antioxidant potential of and , well known for traditional ethnomedicinal uses in North-east India. Leaf extracts prepared in water, methanol and petroleum ether were evaluated for in vitro antidiabetic and antioxidant assay using α-amylase inhibition, glucose diffusion method and DPPH radical scavenging activity. The α-amylase inhibition with methanolic extract at 400 μg/ml (66.