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Bulletin of the National Research Centre

Table 6 Thermal properties of defatted and undefatted starches

From: Sucrose- and formaldehyde-modified native starches as possible pharmaceutical excipients in tableting

Thermal properties

Defatted starches

Undefatted starches

Wheat

Maize

Rice

Wheat

Maize

Rice

Tg Onset temp [°C]

40.3

31.0

36.4

37.2

35.6

31.8

Tg Endset temp [°C]

49.7

48.8

41.3

28.5

56.6

49.4

∆H [Delta Cp][J/[gk]]

13.226

22.604

10.125

32.42

29.6

16.865

*Peak Temperature

292.9

285.2

287.5

279.5

284.7

282.2

Peak intensity [m/N/mg]

0.8362

0.9534

0.1582

1.041

1.041

1.256

  1. Melting/endothermic Peak temperature [°C]
  2. *Key: Tg = Glass Transition, ∆H = Energy change
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