| Brands |
% assay before degredation |
% assay after heating |
% assay after uv light |
% assay after acid |
% assay after base |
% assay after time |
| A |
175.96% |
126.65% |
128.10% |
77.85% |
171.36% |
106.58% |
| B |
76.80% |
81.71% |
68.23% |
49.79% |
77.11% |
53.50% |
| C |
159.40% |
150.02% |
97.64% |
74.77% |
107.28% |
109.23% |
| D |
68.51% |
74.97% |
68.41% |
54.76% |
72.82% |
52.92% |
| E |
128% |
126.97% |
129.13% |
106.87% |
128.72% |
110.46% |
|
