Claim · model-written summary
Emodin calibration was linear over 1-40 μg/ml with r=0.999 9.
- Taxon
- Polygonum perfoliatum L.
Persicaria perfoliatat0 - Outcome
- linear relationshipe0
- Value
- 1-40 μg/mle0
- Qualifier
- r=0.999 9e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The emodin showed a good linear relationship within the range of 1-40 μg/ml(r=0.999 9)”
t0“Polygonum perfoliatum L.”
Title
Extraction and determination of emodin in Polygonum perfoliatum L.
Dengfeng Zou; Xie AiZe; Qiu Yu-ting; et al. Medicinal plant 2011
Other claims from this paper (4)
- Method / resource The reported emodin calibration equation was Y=112.89X-8.912.
- Method / resource The optimum extraction used 80% ethanol, 35 ml, and 2 h.
- Method / resource Mean recovery was 99.16%, with RSD 1.49%.
- Recommendation The authors judged the method simple, rapid, accurate, and usable for emodin extraction and determination.