Table 2 Thermal decomposition data.

From: Formulation of new drug delivery systems for insulin from natural bioactive biocompatible polymers

Insulin

Steps

t, °C range

Wt. loss%

%Residue

DTA, peaks t, °C

@chitin

2

2

3

36.4–74.8

74.8–230.4

230.4–696.0

3.45

18.30

27.74

66.86

86.3–140.8 (endo, intense)

248.4–292.7 (exo weak)

295.5-381.1 (exo weak)

@chitin-GG

1

2

36.3–376.0

376.0–700.1

59.78

21.53

18.59

276.5–402.1 (exo, broad& intense),

447.4–508.2 ( exo, broad& intense)