NIS - libdoc.who.int - World Health Organization

WHO monographs on medicinal plants commonly used in the Newly Independent States (NIS)
7 mm; not more than 15% of fragments having a diameter less than
0.5 mm (1).
Total ash
Not more than 14% (1).
Acid-insoluble ash
No information available.
Sulfated ash
No information available.
Water-soluble extractive
No information available.
Alcohol-soluble extractive
No information available.
Loss on drying
Not more than 13% (1).
Swelling index
Not applicable.
Pesticide residues
The recommended maximum limit of aldrin and dieldrin is not more than
0.05 mg/kg. For other pesticides, see the European pharmacopoeia (24),
WHO guidelines on quality control methods for medicinal plants (25)
and WHO guidelines on pesticide residues (26).
Heavy metals
For maximum limits and analysis of heavy metals, consult the WHO
guidelines on quality control methods for medicinal plants (25).
Radioactive residues
Where applicable, consult the WHO guidelines on quality control methods
for medicinal plants (25) for the analysis of radioactive isotopes.
Other purity tests
Acid-insoluble, sulfated ash, water-soluble extractive and alcohol extractive
tests to be established in accordance with national requirements.
Content of mineral matter not more than 1% (1).
40