Table 1 Deacetylation degree (DD) and viscosity-average molecular weight (Mv) of heterogeneous and homogeneous chitosan samples obtained from both unbleached and bleached chitin, and the commercial sample.

From: Preliminary investigation on the effect of insect-based chitosan on preservation of coated fresh cherry tomatoes

Chitosan sample

DD (%)

Mv (kDa)

Heterogeneous unbleached

82 ± 1.2

76 ± 1.4

Heterogeneous bleached

88 ± 0.8

68 ± 0.5

Homogeneous unbleached

62 ± 2.8

84 ± 0.2

Homogeneous bleached

70 ± 1.4

46 ± 2.0

Commercial

93 ± 0.8

370 ± 1.1

  1. Data are expressed as mean ± standard deviation.
Back to article page