Table 1.

Antimicrobial activity of the A. vera nanopowders from disc diffusion assay

Herbal nanoparticles	Test organisms	Concentrations of A. vera gel nanopowders (zone of inhibition (mm))			Standard antibiotic
		25 mg ml−1	50 mg ml−1	100 mg ml−1	Amoxicillin (100 mg ml−1)
AVNps	E. coli	16.31 ± 0.21	20.11 ± 0.07	22.05 ± 0.06	23.09 ± 0.41
	S. aureus	23.61 ± 0.41	25.18 ± 0.03	27.17 ± 0.02	28.32 ± 0.17