Research Article
Preliminary Assessment of the Chemical Stability of Dried Extracts from Guazuma ulmifolia Lam. (Sterculiaceae)
Table 2
Thermogravimetry parameters of the crude extract (CE) and the crude extract + colloidal silicon dioxide (CEA) of Guazuma ulmifolia.
| | Sample | Mass loss (%) | Days of storage | |
2
|
7
|
14
|
21
|
| | CE | 1 |
3.68
|
4.44
|
4.51
|
4.85
|
4.90
| | 2 |
9.70
|
8.44
|
8.98
|
8.38
|
8.27
| | 3 |
32.46
|
33.06
|
32.29
|
31.79
|
30.75
|
| | Total mass loss (%) |
45.87
|
46.22
|
46.81
|
45.45
|
44.85
|
| | CEA | 1 |
2.31
|
3.54
|
3.11
|
2.07
|
2.36
| | 2 |
4.80
|
4.15
|
5.13
|
4.85
|
4.97
| | 3 |
19.79
|
19.39
|
20.89
|
18.98
|
19.21
|
| | Total mass loss (%) |
27.33
|
27.60
|
29.47
|
26.03
|
26.93
|
|
|
