Praecoxin D
Basics
Category
Tannins
IUPAC-name
(6aR,8aR,26aR,26bS)-1,2,3,7,14,15,16,20,21,22,23,30,31,32-tetradecahydroxy-6a,7,8a,9,26a,26b-hexahydro-18H-benzo[i]benzo[5',6'][1,4]dioxepino[2',3':4,5]benzo[1,2-g]dibenzo[6',7':8',9'][1,4]dioxecino[2',3':4,5]pyrano[3,2-b][1,5]dioxacycloundecine-5,11,18,25,28-pentaone
Formula
No formula stored
Exact mass
934.07123 g/mol
Molecular weight
No weights stored
Structure
Sources
In summary, the chemical praecoxin D 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
- S. Ivanova, Nomura Kenzo, I. Malfanov, and L. Ptitsyn, "Glutinoin, a novel antioxidative ellagitannin from Alnus glutinosa cones with glutinoic acid dilactone moiety.," Natural Product Research , vol. 26 , no. 19 , pp. 1806–1816 , DOI: 10.1080/14786419.2011.613387 .
Analysis results
Analysis result 1
| Detection technique | Values | Units |
|---|---|---|
| UV/Vis |
214
280 sh |
nm |
| [M⁻ H]⁻ | 933.06040 | m/z |
STD
False
TLC
False
UV/Vis detector description
HPLC-PDA
Mass spectrometer description
ESI-MS, API
Organism
Alnus glutinosa
(L.) Gaertn.
powdered
Sample note
Dr. V. Karandashov identified the plant material; batch no. 002569/1. The voucher specimen (20-A) was deposited at the Ajinomoto-Genetika Research Institute (AGRI).
Extraction solvents
70 % ethanol
Extraction mass/volume-ratio
25 mg/mL
Extraction repeats
1
Extraction time
12 h
Extraction temperature
20±5 °C
Extract drying method
freeze-drying, rotary evaporation
Dried extract storage temperature
-20 °C
References
S. Ivanova, Nomura Kenzo, I. Malfanov, and L. Ptitsyn, "Glutinoin, a novel antioxidative ellagitannin from Alnus glutinosa cones with glutinoic acid dilactone moiety.," Natural Product Research , vol. 26 , no. 19 , pp. 1806–1816 , DOI: 10.1080/14786419.2011.613387 .