- reziduu uscat al extractului în: - apã distilatã - maximum 3 mg/cmc;
- alcool etilic
soluţie 10% - maximum 10 mg/cmc;
- acid acetic
soluţie 3% - maximum 30 mg/cmc;
- limitele de migrare a metalelor determinate conform SR EN 1400-3:
- plumb, Pb - 25 mg/kg;
- cadmiu, Cd - 20 mg/kg;
- arsen, As - 10 mg/kg;
- mercur, Hg - 10 mg/kg;
- crom, Cr - 10 mg/kg.