Facile Ultrasound-Assisted Green Synthesis of NiO/Chitosan Nanocomposite from Mangosteen Peel Extracts as Antibacterial Agents

Table 2

Comparing antibacterial activity of resultant material with earlier public.

Materials	Conc. (μg/mL)	Synthesis method	Size (nm)	Antibacterial activity (mm)			Ref.
				E. coli	B. subtilis	S. cerevisiae
NiO	10.000	Raphanus sativus extract	13	4.175	2.176	—	[39]
NiO	10	Onion extract	75	10	—	—	[40]
NiO	—	Hydrothermal method	75	10	—	16	[41]
S,N-GQDs/NiO	—		—	16	—	19
NiO	2.000	Populus ciliata leaves extract	44	13.2	15.2	—	[42]
	4.000			18.3	24.1	—
	8.000			22.1	28.1	—
NiO	50	Clitoria ternatea flower extract	13	15	—	—	[43]
	100			17	—	—
	200			22	—	—
NiO/CS	200	Mangosteen peel extract	28	3.33	10.23	5.10	Present work