Inhibition of Amphiphilic N-Alkyl-O-carboxymethyl Chitosan Derivatives on Alternaria macrospora

Table 1

Synthesis of carboxymethyl chitosan (CCS) with different molecular weights (MW).

Chitosan	Degradation time (h)	Yield (%)	MW (kDa)	CCS	Derivatives	Yield (%)	MW (kDa)
CS0	0	-	50.0	CCS0	0.84	72.5	73.4
CS1	0.5	94.6	44.0	CCS1	1.43	48.4	44.6
CS2	1	98.6	27.0	CCS2	1.16	35.6	26.7
CS3	2	96.6	8.2	CCS3	1.14	56.4	12.1

Note. CS0–CS3: chitosan (CS) products with different degradation times; CCS0–CCS3: derivatives of CCS; MW: molecular weight.