By organism › Green plants › Curtisiaceae

Observationobservedoriginal resultmeasured

Claim · model-written summary

Sucrose concentrations in bark of Ocotea bullata and Curtisia dentata fluctuated at every sampling date

Taxon: Ocotea bullata and Curtisia dentataCurtisia dentataOcotea bullatat0
Outcome: Fluctuations in sucrose concentrationse0

Verbatim

t0
“girdled Ocotea bullata and Curtisia dentata medicinal trees”
✓ located verbatim in the source · title, characters 69–128

e0
“Fluctuations in sucrose concentrations occurred at every sampling date”
✓ located verbatim in the source · abstract, characters 1369–1439

Title

The feasibility of bridge-grafting to restore the flow of sucrose in girdled Ocotea bullata and Curtisia dentata medicinal trees

A.S. van Wyk; E.M. van Staden; W.A.J. Nel; et al. South African Journal of Botany 2019. doi:10.1016/j.sajb.2019.03.017

Other claims from this paper (1)

Intervention effect Sucrose dynamics in bridge-grafted girdled trees of Ocotea bullata and Curtisia dentata appeared restored after one year

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Sucrose dynamics in bridge-grafted girdled trees of Ocotea bullata and Curtisia dentata appeared restored after one year

Taxon: Ocotea bullata and Curtisia dentataCurtisia dentataOcotea bullatat0
Treatment: bridge-graftede1
Outcome: sucrose dynamicse1
Direction: restorede1
Qualifier: after one yeare1

Not reportedComparator

Verbatim

t0
“girdled Ocotea bullata and Curtisia dentata medicinal trees”
✓ located verbatim in the source · title, characters 69–128

e1
“sucrose dynamics in the bridge-grafted trees appeared to be restored after one year”
✓ located verbatim in the source · abstract, characters 1450–1533

Title

The feasibility of bridge-grafting to restore the flow of sucrose in girdled Ocotea bullata and Curtisia dentata medicinal trees

A.S. van Wyk; E.M. van Staden; W.A.J. Nel; et al. South African Journal of Botany 2019. doi:10.1016/j.sajb.2019.03.017

Other claims from this paper (1)

Observation Sucrose concentrations in bark of Ocotea bullata and Curtisia dentata fluctuated at every sampling date

Observationobservedoriginal resultmeasured

Claim · model-written summary

Curtisia dentata extract had a similar minimum inhibitory concentration against Aspergillus ochraceous.

Taxon: Curtisia dentataCurtisia dentatae0
Interactor: Aspergillus ochraceouse0pathogen
Outcome: MIC valuee0
Direction: similare0

Verbatim

e0
“Curtisia dentata exhibited similar MIC value against Aspergillus ochraceous.”
✓ located verbatim in the source · abstract, characters 587–663

Title

Antifungal and anti-mycotoxigenic activity of selected South African medicinal plants species

P.M. Dikhoba; N.I. Mongalo; E.E. Elgorashi; et al. Heliyon 2019. doi:10.1016/j.heliyon.2019.e02668

Other claims from this paper (11)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Curtisia dentata extract had the highest total activity against Aspergillus ochraceous.

Taxon: Curtisia dentataCurtisia dentatae0
Interactor: Aspergillus ochraceouse0pathogen
Outcome: total activitye0
Direction: higheste0
Value: 1583 ml/ge0

Verbatim

e0
“Curtisia dentata further yielded the highest total activity of 1583 ml/g against Aspergillus ochraceous at 24 and 48 hr incubation period.”
✓ located verbatim in the source · abstract, characters 664–802

Title

Antifungal and anti-mycotoxigenic activity of selected South African medicinal plants species

P.M. Dikhoba; N.I. Mongalo; E.E. Elgorashi; et al. Heliyon 2019. doi:10.1016/j.heliyon.2019.e02668

Other claims from this paper (11)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Curtisia dentata extract contained β-amyrin at 53.30%.

Taxon: Curtisia dentataCurtisia dentatae0
Outcome: β-amyrine0
Value: 53.30%e0

Not reportedDirection

Verbatim

e0
“Curtisia dentata revealed the presence of triterpenoid compounds, β-amyrin (53.30%) and α-amyrin (6.42%)”
✓ located verbatim in the source · abstract, characters 1415–1519

Title

Antifungal and anti-mycotoxigenic activity of selected South African medicinal plants species

P.M. Dikhoba; N.I. Mongalo; E.E. Elgorashi; et al. Heliyon 2019. doi:10.1016/j.heliyon.2019.e02668

Other claims from this paper (11)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Curtisia dentata extract contained α-amyrin at 6.42%.

Taxon: Curtisia dentataCurtisia dentatae0
Outcome: α-amyrine0
Value: 6.42%e0

Not reportedDirection

Verbatim

e0
“Curtisia dentata revealed the presence of triterpenoid compounds, β-amyrin (53.30%) and α-amyrin (6.42%)”
✓ located verbatim in the source · abstract, characters 1415–1519

Title

Antifungal and anti-mycotoxigenic activity of selected South African medicinal plants species

P.M. Dikhoba; N.I. Mongalo; E.E. Elgorashi; et al. Heliyon 2019. doi:10.1016/j.heliyon.2019.e02668

Other claims from this paper (11)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Curtisia dentata showed the best bark regrowth, through sheet development.

Taxon: Curtisia dentataCurtisia dentatae2
Outcome: bark regrowthe2
Qualifier: through sheet developmente2

Verbatim

e2
“Curtisia dentata showed best bark regrowth through sheet development”
✓ located verbatim in the source · abstract, characters 1346–1414

Title

Response ofOcotea bullata,Curtisia dentataandRapanea melanophloeosto medicinal bark stripping in the southern Cape, South Africa: implications for sustainable use

WJ Vermeulen; CJ Geldenhuys; KJ Esler Southern Forests a Journal of Forest Science 2012. doi:10.2989/20702620.2012.717384

Other claims from this paper (5)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Bark regrowth of the three tree species is influenced by the season of stripping.

Taxon: Ocotea bullata, Curtisia dentata and Rapanea melanophloeosCurtisia dentataOcotea bullataMyrsine melanophloeose0
Treatment: season of strippinge4
Outcome: Bark regrowthe4

Not reportedDirection

Verbatim

e0
“The species selected for the study, Ocotea bullata, Curtisia dentata and Rapanea melanophloeos”
✓ located verbatim in the source · abstract, characters 468–562

e4
“Bark regrowth is influenced by season of stripping”
✓ located verbatim in the source · abstract, characters 1541–1591

Title

Response ofOcotea bullata,Curtisia dentataandRapanea melanophloeosto medicinal bark stripping in the southern Cape, South Africa: implications for sustainable use

WJ Vermeulen; CJ Geldenhuys; KJ Esler Southern Forests a Journal of Forest Science 2012. doi:10.2989/20702620.2012.717384

Other claims from this paper (5)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Smaller trees were more vulnerable to bark stripping and had poorer bark regrowth than bigger trees, especially with a wide strip.

Taxon: Ocotea bullata, Curtisia dentata and Rapanea melanophloeosCurtisia dentataOcotea bullataMyrsine melanophloeose0
Treatment: wide stripe5
Outcome: bark regrowthe5
Direction: poorere5
Qualifier: Smaller treese5
Comparator: bigger treese5

Verbatim

e0
“The species selected for the study, Ocotea bullata, Curtisia dentata and Rapanea melanophloeos”
✓ located verbatim in the source · abstract, characters 468–562

e5
“Smaller trees are more vulnerable to bark stripping, especially with a wide strip, with poorer bark regrowth than bigger trees”
✓ located verbatim in the source · abstract, characters 1733–1859

Title

Response ofOcotea bullata,Curtisia dentataandRapanea melanophloeosto medicinal bark stripping in the southern Cape, South Africa: implications for sustainable use

WJ Vermeulen; CJ Geldenhuys; KJ Esler Southern Forests a Journal of Forest Science 2012. doi:10.2989/20702620.2012.717384

Other claims from this paper (5)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The extract had a brine shrimp LC50 of 0.302 mg/mL.

Taxon: Curtisia dentataCurtisia dentatat0
Outcome: cytotoxicitye0
Value: 0.302 mg/mLe0

Verbatim

e0
“The cytotoxicity assay of the extract was assessed using the brine shrimp lethality test with LC(50) value of 0.302 mg/mL.”
✓ located verbatim in the source · abstract, characters 660–782

t0
“Curtisia dentata”
✓ located verbatim in the source · title, characters 80–96

Title

Phytochemicals Analysis and Medicinal Potentials of Hydroalcoholic Extract from Curtisia dentata (Burm.f) C.A. Sm Stem Bark

Sunday Oyewole Oyedemi; Blessing Ogochukwuamaka Oyedemi; Sunday Arowosegbe; et al. International Journal of Molecular Sciences 2012. doi:10.3390/ijms13056189

Other claims from this paper (13)

Observation The extract showed broad-spectrum antibacterial activity with MICs from 5000 to 0.5 mg/L.
Observation The extract contained phenols at 14.86 mg tannic acid equivalent/g.
Observation The extract contained flavonoids at 13.64 mg quercetin equivalent/g.
Observation Saponins were the highest listed constituent at 13.26%.
Observation Steroids had a listed percentage composition of 1.42.
Observation Alkaloids and tannins each had a composition of 0.51.
Observation Extract DPPH IC50 was 0.017 mg/mL.
Observation Extract ABTS IC50 was 0.018 mg/mL.
Observation Extract hydrogen peroxide IC50 was 0.159 mg/mL.
Observation Extract lipid peroxidation IC50 was 0.06 mg/mL.
Observation Extract nitric oxide IC50 was 0.052 mg/mL.
Association Extract reducing power depended on concentration.
Mechanism The authors attribute antibacterial and antioxidant properties to bioactive compounds.

Curtisiaceae 30 claims

30 claims