Table 2.

Minimum inhibitory concentration (MIC) of different types of chitosan (C).

Microorganism	Type of Cs	MIC	References
P. aeruginosa	LMW Cs	32 μg/mL	[160]
	MMW Cs
	HMW Cs
	Cs oligosaccharide lactate	4096 μg/mL
Candida albicans	Cs 32 kDa	2 mg/mL	[162]
	Cs 38 kDa	2.3 mg/mL
	Cs 138 kDa	2.5 mg/mL
	Cs 184 kDa	3.3 mg/mL
Streptococcus mutans	LMW Cs	2.5 mg/mL	[163]
	Nano Cs	1.25 mg/mL
Streptococcus sobrinus	LMW Cs	2.5 mg/mL
	Nano Cs
Streptococcus sanguis	LMW Cs	1.25 mg/mL
	Nano Cs
Streptococcus salivarius	LMW Cs	1.25 mg/mL
	Nano Cs	2.5 mg/mL
Pseudomonas aeruginosa	Cs 322.04 kDa	60 μg/mL	[164]
Staphylococcus aureus		80 μg/mL
Streptococcus sp.		60 μg/mL
Streptococcus pneumoniae		100 μg/mL
Escherichia coli		80 μg/mL
Staphylococcus aureus	Cs 41.1 kDa	32 μg/mL	[53]
	Cs 14.3 kDa	32 μg/mL
	Cs 5.06 kDa	32 μg/mL
Escherichia coli	Cs 41.1 kDa	64 μg/mL
	Cs 14.3 kDa	32 μg/mL
	Cs 5.06 kDa	16 μg/mL