Freshly prepared DPPH
solution (0.004%w/v) was added in each of
these test tubes containing Extract and
biosynthesized AgNPS (20 g/, 40 g/mL,
60 g/mL, 80 g/mL, 100 g/mL) and after 10
min, the absorbance was taken at 517 nm
using a UV visible spectrophotometer).