WHO monographs on selected medicinal plants - travolekar.ru

<strong>WHO</strong> <strong>monographs</strong> on selected medicinal plants
Purity tests
Microbiological
Tests for specific microorganisms and microbial contamination limits are
as described in the <strong>WHO</strong> guidelines on assessing quality of herbal medicines
with reference to contaminants and residues (8).
Foreign organic matter
Plant material complies with the test for foreign matter (1).
Total ash
Not more than 5% (1).
Acid-insoluble ash
To be established in accordance with national requirements.
Water-soluble extractive
To be established in accordance with national requirements.
Alcohol-soluble extractive
To be established in accordance with national requirements.
Loss on drying
Not more than 12% (1).
Pesticide residues
The recommended maximum limit of aldrin and dieldrin is not more than
0.05 mg/kg (1). For other pesticides, see the European pharmacopoeia (1)
and the <strong>WHO</strong> guidelines on assessing quality of herbal medicines with
reference to contaminants and residues (8) and pesticide residues (9).
Heavy metals
For maximum limits and analysis of heavy metals, consult the <strong>WHO</strong>
guidelines on assessing quality of herbal medicines with reference to contaminants
and residues (8).
Radioactive residues
Where applicable, consult the <strong>WHO</strong> guidelines on assessing quality of
herbal medicines with reference to contaminants and residues (8).
Chemical assays
Not less than 1.0% of tannins, expressed as pyrogallol (1).
Not less than 0.2% of anthocyanins, expressed as cyanidin-3-glucoside
chloride (2).
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