Chemical fact sheet: Kaempferol 7-O-glucoside

Kaempferol 7-O-glucoside

Basics

Category
Flavone and flavonol derivatives
IUPAC-name
3,5-dihydroxy-2-(4-hydroxyphenyl)-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one
Formula
No formula stored
Exact mass
448.10056 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of kaempferol 7-O-glucoside
Figure 1.1: Chemical structure of kaempferol 7-O-glucoside

Sources

In summary, the chemical kaempferol 7-O-glucoside has been analyzed from following sources:

Reseda duriaeana  J.Gay
1st
Rhamnus davurica  Pall.
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. D. Berrehal, A. Khalfallah, S. Bencharif-Betina, Z. Kabouche, N. Kacem, A. Kabouche, C. Calliste, and J. Duroux, "Comparative antioxidant activity of two Algerian Reseda species.," Chemistry of Natural Compounds , vol. 46 , no. 3 , pp. 456–458 , DOI: 10.1007/s10600-010-9643-0 .
  2. G. Chen, X. Li, F. Saleri, and M. Guo, "Analysis of flavonoids in Rhamnus davurica and its antiproliferative effects.," Molecules , vol. 21 , no. 10 , pp. 1275 , DOI: 10.3390/molecules21101275 .

Analysis results

Analysis result 1

Detection technique Values Units
UV/Vis 266
366 		nm
STD
False
TLC
True
UV/Vis detector description
UV
Mass spectrometer description
Organism
Reseda duriaeana  J.Gay
wild
dried, powdered
Collection dates
2004-5
Sample note
The species was authenticated by Prof. Gerard De Belair (Annaba, Algeria). The species is endemic. The voucher specimen were deposited in the herbarium of the Laboratory of Therapeutic Substances (LOST) at Mentouri University.
Drying methods
air-dried
Extraction solvents
70 % methanol
Extract drying method
evaporation under reduced pressure
Detection note
More detailed structure: kaempferol 7-O-β-glucoside
References

D. Berrehal, A. Khalfallah, S. Bencharif-Betina, Z. Kabouche, N. Kacem, A. Kabouche, C. Calliste, and J. Duroux, "Comparative antioxidant activity of two Algerian Reseda species.," Chemistry of Natural Compounds , vol. 46 , no. 3 , pp. 456–458 , DOI: 10.1007/s10600-010-9643-0 .

Analysis result 2

Detection technique Values Units
[M⁻ H]⁻ 447 m/z
MS²⁻ 93
119
165
183
285
447 		m/z
STD
False
TLC
False
UV/Vis detector description
Mass spectrometer description
ESI-MS/MS
Organism
Rhamnus davurica  Pall.
dried, powdered
Sample note
The authentication and identification of the barks of Rhamnus davurica was performed with the researchers of this study which were assisted by the taxonomist Quangwan Hu from Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture (Wuhan Botanicl Garden), Chinese Academy of Sciences. A voucher specimen (No. 0031) was deposited in the herbarium of the Key Laboratory.
Drying temperature
40 °C
Dried material storage temperature
4 °C
Dried material storage notes
the samples were packed in sealed polyethylene bags; stored in a refrigerator until use; dark
Extraction solvents
60 % ethanol
Extraction repeats
3
Extraction time
1 h 30 min
Extraction temperature
20±5 °C
Extract drying method
evaporation under reduced pressure
Extract drying temperature
40 °C
Dried extract storage temperature
4 °C
Analysis solvents
MeOH
References

G. Chen, X. Li, F. Saleri, and M. Guo, "Analysis of flavonoids in Rhamnus davurica and its antiproliferative effects.," Molecules , vol. 21 , no. 10 , pp. 1275 , DOI: 10.3390/molecules21101275 .