Instant green synthesis of silver nanoparticles using Terminalia chebula fruit extract and evaluation of their catalytic activity on reduction of methylene blue

► Ag nanoparticles are instantly synthesized by Terminalia chebula in green conditions. ► The size of the Ag nanoparticles was approximately 25 nm studied by HR-TEM. ► Ag nanoparticles have good catalytic activity on reduction of methylene blue.