Product profile and minimum acceptable profile assay results.

Note: TLC  =  Thin Layer Chromatography sheet; FP  =  Filter paper.
*Least amount of substance needed to be detected by the assay, LOD.
**Both qualitative and quantitative results will be needed:
– By definition – counterfeit ARTS preparations don't contain the active ARTS ingredient and it is most unlikely that one artemisinin derivative will be substituted by another.
- By definition – substandard drugs may contain a lower dose of active ingredient, may contain ARTS degradation products or be subjected to other lacks of conformity due to poor good manufacturing practice.