Taraxinic acid
Basics
Category
Sesquiterpenoids & sesquiterpene lactones
IUPAC-name
(3aS,6Z,10E,11aR)-10-methyl-3-methylene-2-oxo-2,3,3a,4,5,8,9,11a-octahydrocyclodeca[b]furan-6-carboxylic acid
Formula
No formula stored
Exact mass
262.12051 g/mol
Molecular weight
No weights stored
Structure
Sources
In summary, the chemical taraxinic acid 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
- D. Jedrejek, B. Lis, A. Rolnik, A. Stochmal, and B. Olas, "Comparative phytochemical, cytotoxicity, antioxidant and haemostatic studies of Taraxacum officinale root preparations.," Food and Chemical Toxicology , vol. 126 , pp. 233–247 , DOI: 10.1016/j.fct.2019.02.017 .
Analysis results
Analysis result 1
| Detection technique | Values | Units |
|---|---|---|
| UV/Vis | 217 | nm |
| [M⁻ H]⁻ | 261 | m/z |
| MS²⁻ |
111
147 151 163 175 |
m/z |
STD
False
TLC
False
UV/Vis detector description
PDA, UHPLC-photodiode array detector
Mass spectrometer description
ESI, UPLC-PDA-ESI-MS/MS, tandem quadrupole mass spectrometer, TQD
Organism
Taraxacum officinale
G.H. Weber ex F. H. Wigg.
wild
dried, pulverized
Collection dates
2016-9
Sample note
The dandelion (Taraxacum officinale L.) root (Taraxaci radix) was identified by Prof. Krzysztof Oklejewicz (Department of Botany, University of Rzeszów, Poland). A voucher specimen has been deposited at the Department of Biochemistry and Crop Quality of the Institute of Soil Science and Plant Cultivation - State Research Institute in Pulawy.
Drying methods
freeze-dried
Dried material storage notes
dark; in a refrigerator; as pulverized
Extraction solvents
80 % methanol
Extraction mass/volume-ratio
46.7 mg/mL
Extraction repeats
3
Extraction time
1 d 12 h
Extraction temperature
20±5 °C
Extract drying method
evaporation under vacuum
Extract drying temperature
40 °C
Analysis solvents
50 % MeOH
Detection note
[M + Na]+ = 285
References
D. Jedrejek, B. Lis, A. Rolnik, A. Stochmal, and B. Olas, "Comparative phytochemical, cytotoxicity, antioxidant and haemostatic studies of Taraxacum officinale root preparations.," Food and Chemical Toxicology , vol. 126 , pp. 233–247 , DOI: 10.1016/j.fct.2019.02.017 .