Okanin
Basics
Category
Chalcones & aurones
IUPAC-name
(E)-3-(3,4-dihydroxyphenyl)-1-(2,3,4-trihydroxyphenyl)prop-2-en-1-one
Formula
No formula stored
Exact mass
288.06339 g/mol
Molecular weight
No weights stored
Structure
Sources
In summary, the chemical okanin has been analyzed from following sources:
Note that an analysis result in the database may indicate either presence or lack thereof of a chemical in an analyzed sample.
References
- N. Li, D. Meng, Y. Pan, Q. Cui, G. Li, H. Ni, Y. Sun, D. Qing, X. Jia, Y. Pan, and Y. Hou, "Anti-neuroinflammatory and NQO1 inducing activity of natural phytochemicals from Coreopsis tinctoria.," Journal of Functional Foods , vol. 17 , pp. 837–846 , DOI: 10.1016/j.jff.2015.06.027 .
Analysis results
Analysis result 1
| Detection technique | Values | Units |
|---|---|---|
| [M⁻ H]⁻ | 287 | m/z |
STD
False
TLC
False
UV/Vis detector description
UPLC-PDA
Mass spectrometer description
HR-ESI-MS
Organism
Coreopsis tinctoria
Nutt.
dried, powdered
Sample note
The flowers were collected in Xinjiang and identified by Professor Xiaoguang Jia, XinJian Institute of Chinese Materia Medica, Urumqi, China. The voucher specimen (No. 20120827) is deposited in the School of Traditional Chinese Material Medica, Shenyang Pharmaceutical University. Before extraction, the air-dried flowers were powdered (100mesh).
Drying methods
air-dried
Extraction solvents
95 % ethanol, ethyl acetate
Extraction repeats
1
Extract drying method
under reduced pressure
Analysis solvents
methanol
Detection note
Red crystal was obtained.
References
N. Li, D. Meng, Y. Pan, Q. Cui, G. Li, H. Ni, Y. Sun, D. Qing, X. Jia, Y. Pan, and Y. Hou, "Anti-neuroinflammatory and NQO1 inducing activity of natural phytochemicals from Coreopsis tinctoria.," Journal of Functional Foods , vol. 17 , pp. 837–846 , DOI: 10.1016/j.jff.2015.06.027 .