NIS - libdoc.who.int - World Health Organization

WHO monographs on medicinal plants commonly used in the Newly Independent States (NIS)
min. Not more than 35% of bruised fruits if the juice is not lost (1, 2). Not
more than 4% in dried fruits (39).
Total ash
Not more than 1% (1). Not more than 6% in dried fruits (39).
Acid-insoluble ash
No information available on fresh fruits. Not more than 3% in dried
fruits (39).
Sulfated ash
No information available on fresh fruits. Not less than 25% in dried
fruits (39).
Water-soluble extractive
No information available.
Alcohol-soluble extractive
No information available.
Loss on drying
Not more than 87% (1).
Pesticide residues
The recommended maximum sum limit of aldrin and dieldrin is not more
than 0.05 mg/kg (43). For other pesticides, see the European pharmacopoeia
(43) and the WHO guidelines on quality control methods for medicinal
plant materials (41) and pesticide residues (44).
Heavy metals
For maximum limits and analysis of heavy metals, consult the WHO
guidelines on quality control methods for medicinal plant materials (41).
Radioactive residues
Where applicable, consult the WHO guidelines on quality control methods
for medicinal plant materials (41) for the analysis of radioactive isotopes.
Other purity tests
Content of mineral matter not more than 0.5%. Content of acids in the
fruits not more than 3% (1, 2). Chemical, sulfated ash, and water-soluble
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