Name of the ingredient
Lepidium meyenii (AHN).
Definition of the ingredient
The ingredient is the dried powdered tuber of Lepidium meyenii Walpers, which is found growing widely all over the Peruvian Central Andes but is now widely cultivated.
| Test | Method reference | Acceptance criteria |
|---|---|---|
| Description | ||
| Identification | ||
| Assay | ||
| Appearance | Visual | Beige/brown powder (powdered dried tuber). |
| HPLC | BP (Appendix III D) | The retention time of the principal peak in the chromatogram of the test solution matches that of the solution of the authenticated reference material |
| Total macamides1 | HPLC-UV, MS/MS | Not less than 0.0016% w/w (McCollom et al. 2005) |
| Notes: | ||
| ||
| Test | Method reference | Acceptance criteria |
|---|---|---|
| Incidental metals and non-metals | ||
| Pesticide residues and environmental contaminants: (including agricultural and veterinary substances) | ||
| Microbiology | ||
| While ingredient manufacturers are encouraged to include limits for Incidental metals and non-metals, it is the product into which those substances are formulated that contains the ingredient, alone or in combination with other ingredients, must comply with the acceptance criteria set in the United States Pharmacopeia - National Formulary (USP-NF) general chapter '<2232> Elemental Contaminants in Dietary Supplements'. When testing is performed at the raw material stage, calculation of the total daily exposure in the finished product should be performed. This calculation is based on the quantity of each ingredient present in the product, the maximum potential contamination given the proposed limits for each raw material and the daily dose of the product. | ||
| Pesticide residues | BP (Appendix XI L) | Complies |
| Foreign matter | BP (Appendix XI D) | Complies |
| While substance manufacturers are encouraged to include limits for objectionable microorganisms, it is the product into which those substances are formulated that is subject to a legally binding set of criteria. The Therapeutic Goods Order No. 77 'Microbiological Standards for Medicines' mandates that any finished product that contains the ingredient, alone or in combination with other ingredients, must comply with the microbial acceptance criteria set by Clause 9 of the Order. | ||
Key to abbreviations
BP = British Pharmacopoeia
HPLC-UV = High-pressure liquid chromatography with ultraviolet detection
MS/MS = Tandem mass spectrometry
USP = United States Pharmacopoeia
Print version
Compositional guideline for Lepidium meyenii (dried tuber)
[PDF, 120.61 KB]
Product types