Chemical fact sheet: Isoetin

The BCDB-database is not an authoritative database. This sheet collates data stored for chemical entry isoetin and its related chemical compound entries 5,7,2',4',5'-pentahydroxyflavone .

Isoetin

Basics

Category
Flavone and flavonol derivatives
IUPAC-name
5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)-4H-chromen-4-one
Formula
No formula stored
Exact mass
302.04265 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of isoetin
Figure 1.1: Chemical structure of isoetin

Sources

In summary, the chemical isoetin has been analyzed from following sources:

Taraxacum mongolicum  Hand.-Mazz.
1st

Note that an analysis result in the database may indicate either presence or lack thereof of a chemical in an analyzed sample.

References

  1. Ø. Andersen, and K. Markham, Flavonoids. Chemistry, biochemistry and applications.. CRC Press, 2006
  2. S. Shi, Y. Zhao, H. Zhou, Y. Zhang, X. Jiang, and K. Huang, "Identification of antioxidants from Taraxacum mongolicum by high-performance liquid chromatography–diode array detection–radical scavenging detection–electrospray ionization mass spectrometry and nuclear magnetic resonance experiments.," Journal of Chromatography A , vol. 1209 , pp. 145–152 , DOI: 10.1016/j.chroma.2008.09.004 .

Analysis results

Analysis result 1

Detection technique Values Units
UV/Vis 256
360 		nm
[M⁻ H]⁻ 301 m/z
STD
False
TLC
False
UV/Vis detector description
HPLC-DAD, diode array detector
Mass spectrometer description
HPLC-ESI-MS, HPLC-DAD-ESI-MS
Organism
Taraxacum mongolicum  Hand.-Mazz.
wild
ground, dried
Sample note
The aerial part of Taraxacum mongolicum Hand.-Mazz. was identified by Prof. Liurong Chen. The voucher specimen (TM20041-02) was deposited in Department of Traditional Chinese Medicine and Natural Drug Research, College of Pharmaceutical Sciences, Zheijiang University.
Drying methods
air-dried
Drying temperature
50 °C
Extraction solvents
methanol
Extraction mass/volume-ratio
100 mg/mL
Extraction repeats
3
Extraction time
4 h 30 min
Extract drying method
concentration under reduced pressure
Extract drying temperature
45 °C
Dried extract storage temperature
4 °C
Analysis solvents
MeOH
References

S. Shi, Y. Zhao, H. Zhou, Y. Zhang, X. Jiang, and K. Huang, "Identification of antioxidants from Taraxacum mongolicum by high-performance liquid chromatography–diode array detection–radical scavenging detection–electrospray ionization mass spectrometry and nuclear magnetic resonance experiments.," Journal of Chromatography A , vol. 1209 , pp. 145–152 , DOI: 10.1016/j.chroma.2008.09.004 .

5,7,2',4',5'-pentahydroxyflavone

Basics

Category
None
IUPAC-name
5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)-4H-chromen-4-one
Formula
No formula stored
Exact mass
302.04270 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of 5,7,2',4',5'-pentahydroxyflavone
Figure 2.1: Chemical structure of 5,7,2',4',5'-pentahydroxyflavone

Sources

No links to any potential source for this chemical in the database.

References

  1. Ø. Andersen, and K. Markham, Flavonoids. Chemistry, biochemistry and applications.. CRC Press, 2006

Analysis results

No analysis results for this entry in the database.