Synthesis and Antimicrobial Activity of N-(6-Carboxyl Cyclohex-3-ene Carbonyl) Chitosan with Different Degrees of Substitution

Table 2

Solubility of chitosan and N-(6-carboxyl cyclohex-3-ene carbonyl) chitosan derivatives.

Compound	Solubility
	Distilled water	Aqueous acetic acid (0.1%)	Aqueous acetic acid (0.5%)	Aqueous acetic acid (1%)	Aqueous sodium hydroxide (1%)
Chitosan	Insoluble	Gel	Soluble	Soluble	Insoluble
1	Swelling	Gel	Soluble	Soluble	Soluble
2	Swelling	Gel	Soluble	Soluble	Soluble
3	Gel	Soluble	Soluble	Soluble	Soluble
4	Gel	Soluble	Soluble	Soluble	Soluble
5	Gel	Soluble	Soluble	Soluble	Soluble