· The leaves of this plant were used as a medicine for hepatitis and wounds and possess antiviral activity [ 42 ]. The leaves extract of Stevia rebaudiana for the reduction of gold ions to nanoparticles form have been studied and spherical shaped nanoparticles with size is from 5 to 20 nm have been synthesised [ 43 ].
![whatsapp](/images/whatsapp.png)