Claim · model-written summary
More oil was extractable in fall than winter.
- Taxon
- Artemisia californica
Artemisia californicae1 - Outcome
- amount of essential oile0
- Direction
- greatere0
- Comparator
- wintere0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A greater amount of essential oil is extractable in fall than in winter.”
e1“Artemisia californica”
Title
Toxic Terpenes from Artemisia Californica
J. Pat Halligan Ecology 1975. doi:10.2307/1936312
Other claims from this paper (9)
- Observation Five terpenoids occurred in major amounts in Artemisia oil.
- Observation Camphor was the most toxic major terpenoid.
- Observation Artemisia ketone was the least toxic.
- Observation Minor terpenoids included beta-pinene, borneol, and caryophyllene.
- Observation Minor terpenoids were intermediate in toxicity.
- Observation Essential oil amount and composition varied seasonally.
- Observation Isothujone largely replaced alpha-thujone in late summer and fall.
- Observation Camphor became more abundant in late summer and fall.
- Observation Soil and litter in stands contained many of the same volatiles as foliage.