Skip to main content

Table 1 Comparison of LMWC products obtained by acid hydrolysis method

From: Preparation, characterization and application in environmental protection of low-molecular-weight chitosan: a review

Acid

T (°C)

Time

M w/Mv (kDa)

Ref.

5% HAc

60

90 min

Mv,166

[17]

1% lactic acid

8

10 d

Mw, 3.0

[32]

1% lactic acid

22

20 d

Mw, 2.3

[32]

1% lactic acid

37

30 d

Mw, 1.8

[32]

85% H3PO4

80

35 d

Mw, 20

[38]

1% HAc-10 M HCl

105

6 h

 

[39]

(4.5:1.5 M) HCl-H3PO4

110

24 h

 

[17]

  1. (Mv the viscosity-average molecular weight, Mw weight-average molecular weight, Dalton (Da) is the standard unit that is used for indicating molecular weight)