Harpagophytum zeyheri 23 claims

species · family Pedaliaceae · green plant · NCBI Taxonomy ↗

6 spellings

Harpagophytum zeyheri
Harpagophytum zeyheriDr. Alexey Yakovlev · CC BY-SA 2.0 · Wikimedia Commons ↗

23 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

The average linear density of Harpagophytum zeyheri in the Zambezi Region is 22.4 plants/km.

Taxon
Harpagophytum zeyheriHarpagophytum zeyherie0
Outcome
average linear densitye1
Value
22.4 plants/kme1
Setting
Zambezi Regione1

Verbatim

e0

“Harpagophytum zeyheri (devil's claw) tubers are manually harvested”

✓ located verbatim in the source · abstract, characters 9–75
e1

“The average linear density from the Zambezi Region (all areas; this study) is 22.4 plants/km”

✓ located verbatim in the source · abstract, characters 574–666

Title

The Devils in the Details—but So Are the Angels: Linear Density Estimates of Harpagophytum zeyheri (Devil's Claw) From the Zambezi Region, Namibia

Peter Low Cunningham; Peter Low Cunningham; Peter Low Cunningham; et al. African Journal of Ecology 2024. doi:10.1111/aje.13337

Observationobservedoriginal resultmeasured

Claim · model-written summary

Harpagoside content of H. zeyheri varied widely, from 0.00 to 3.07%.

Organ / stage
secondary tuberse2
Outcome
harpagoside contente1
Value
0.00-3.07%e1
Qualifier
high variabilitye1

Verbatim

e1

“high variability in the harpagoside content for both species; H. procumbens (0.17-4.37%) and H. zeyheri (0.00-3.07%)”

✓ located verbatim in the source · abstract, characters 1203–1319
e2

“methanol extracts of the secondary tubers of both species”

✓ located verbatim in the source · abstract, characters 396–453

Title

A quality control perspective on Devil's claw, Harpagophytum procumbens and H. zeyheri: phytochemical analysis and DNA barcoding

E. Pretorius; N.P. Mncwangi; R.M. Kabongo; et al. South African Journal of Botany 2021. doi:10.1016/j.sajb.2021.09.029

Other claims from this paper (12)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Only 17% of H. zeyheri raw materials contained harpagoside.

Outcome
raw materials contained harpagosidee3
Value
17%e3

Verbatim

e3

“Only 41% of H. procumbens and 17% of H. zeyheri raw materials contained harpagoside”

✓ located verbatim in the source · abstract, characters 1321–1404

Title

A quality control perspective on Devil's claw, Harpagophytum procumbens and H. zeyheri: phytochemical analysis and DNA barcoding

E. Pretorius; N.P. Mncwangi; R.M. Kabongo; et al. South African Journal of Botany 2021. doi:10.1016/j.sajb.2021.09.029

Other claims from this paper (12)
Observationobservedoriginal resultmeasured

Claim · model-written summary

H. procumbens and H. zeyheri root extracts contained similar quantities of harpagoside.

Organ / stage
root samplese0
Outcome
quantities of harpagosidee0
Direction
similare0
Comparator
H. procimbense0

Verbatim

e0

“root samples from botanical specimens of H. procimbens and H. zeyheri identified similar quantities of harpagoside, regardless of species”

✓ located verbatim in the source · abstract, characters 1046–1183

Title

Harpagoside Content in Devil's Claw Extracts

Narasimharao Kondamudi; Matthew W. Turner; Owen M. McDougal Natural Product Communications 2016. doi:10.1177/1934578x1601100903

Other claims from this paper (2)
Observationobservedoriginal resultmeasured

Claim · model-written summary

The two Harpagophytum species differed in metabolite profiles.

Taxon
Harpagophytum procumbens and H. zeyheriHarpagophytum procumbensHarpagophytum zeyherie0
Outcome
Metabolite differences between the two speciese1

Verbatim

e0

“Harpagophytum procumbens and H. zeyheri (Pedaliaceae)”

✓ located verbatim in the source · abstract, characters 0–53
e1

“Metabolite differences between the two species and the metabolite variations within the same species were revealed.”

✓ located verbatim in the source · abstract, characters 831–946

Title

Differentiation of Harpagophytum procumbens and H. zeyheri through NMR-based chemometric approach

J Zhao; N Mncwangi; A Viljoen; et al. Planta Medica 2014. doi:10.1055/s-0034-1382653

Other claims from this paper (1)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Metabolite profiles varied within each species.

Taxon
Harpagophytum procumbens and H. zeyheriHarpagophytum procumbensHarpagophytum zeyherie0
Outcome
metabolite variations within the same speciese1

Verbatim

e0

“Harpagophytum procumbens and H. zeyheri (Pedaliaceae)”

✓ located verbatim in the source · abstract, characters 0–53
e1

“Metabolite differences between the two species and the metabolite variations within the same species were revealed.”

✓ located verbatim in the source · abstract, characters 831–946

Title

Differentiation of Harpagophytum procumbens and H. zeyheri through NMR-based chemometric approach

J Zhao; N Mncwangi; A Viljoen; et al. Planta Medica 2014. doi:10.1055/s-0034-1382653

Other claims from this paper (1)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Metabolite profiles varied within each species.

Outcome
metabolite variations within the same speciese0

Verbatim

e0

“the metabolite variations within the same species were revealed.”

✓ located verbatim in the source · abstract, characters 882–946
t0

“H. zeyheri”

✓ located verbatim in the source · title, characters 48–58

Title

Differentiation of Harpagophytum procumbens and H. zeyheri through NMR-based chemometric approach

J Zhao; N Mncwangi; A Viljoen; et al. Planta Medica 2014. doi:10.1055/s-0034-1382668

Other claims from this paper (1)
Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The two species differed in metabolite profiles.

Taxon
Harpagophytum procumbens and H. zeyheriHarpagophytum procumbensHarpagophytum zeyherit0
Outcome
Metabolite differences between the two speciese0
Value
two speciese0

Verbatim

e0

“Metabolite differences between the two species and the metabolite variations within the same species were revealed.”

✓ located verbatim in the source · abstract, characters 831–946
t0

“Harpagophytum procumbens and H. zeyheri”

✓ located verbatim in the source · title, characters 19–58

Title

Differentiation of Harpagophytum procumbens and H. zeyheri through NMR-based chemometric approach

J Zhao; N Mncwangi; A Viljoen; et al. Planta Medica 2014. doi:10.1055/s-0034-1382665

Other claims from this paper (1)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Metabolite profiles varied within each species.

Taxon
Harpagophytum procumbens and H. zeyheriHarpagophytum procumbensHarpagophytum zeyherit0
Outcome
metabolite variations within the same speciese0

Verbatim

e0

“the metabolite variations within the same species were revealed.”

✓ located verbatim in the source · abstract, characters 882–946
t0

“Harpagophytum procumbens and H. zeyheri”

✓ located verbatim in the source · title, characters 19–58

Title

Differentiation of Harpagophytum procumbens and H. zeyheri through NMR-based chemometric approach

J Zhao; N Mncwangi; A Viljoen; et al. Planta Medica 2014. doi:10.1055/s-0034-1382665

Other claims from this paper (1)
Observationobservedoriginal resultmeasured

Claim · model-written summary

Harpagoside content in H. zeyheri samples ranged from 0.00 to 3.07%.

Outcome
harpagosidee0
Value
0.00 – 3.07%e1

Verbatim

e0

“both species contain harpagoside”

✓ located verbatim in the source · abstract, characters 969–1001
e1

“whereas in H. zeyheri, the range was 0.00 – 3.07%”

✓ located verbatim in the source · abstract, characters 1090–1139

Title

Variation of the Biologically Active Constituent Harpagoside in Harpagophytum procumbens and H. zeyheri

N Mncwangi; AM Viljoen; I Vermaak; et al. Planta Medica 2013. doi:10.1055/s-0033-1336500

Other claims from this paper (9)