Claim · model-written summary
The authors state that the results can be used as a basis for selecting raw material for propagation.
- Taxon
- Harpagophytum procumbens and H. zeyheri
Harpagophytum procumbens
Harpagophytum zeyherit0 - Outcome
- selection of raw material for propagatione0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

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Verbatim
e0“can also be used as a basis for the selection of raw material for propagation”
t0“Harpagophytum procumbens and H. zeyheri”
Title
N Mncwangi; AM Viljoen; I Vermaak; et al. Planta Medica 2013. doi:10.1055/s-0033-1336500
Other claims from this paper (9)
- Observation Harpagoside content in H. procumbens samples ranged from 0.17 to 4.37%.
- Observation Harpagoside content in H. zeyheri samples ranged from 0.00 to 3.07%.
- Observation Harpagoside is present in higher amounts in H. procumbens than in H. zeyheri.
- Observation All tested H. procumbens samples contained harpagoside.
- Observation Only 61 of the H. procumbens samples met the 1.2% harpagoside specification.
- Observation Only 38 H. zeyheri samples contained harpagoside.
- Observation Only 26 H. zeyheri samples met the harpagoside specification.
- Recommendation The authors conclude that H. zeyheri is not a suitable substitute for H. procumbens.
- Observation The two Harpagophytum taxa are highly variable, with significant variation in harpagoside content.