Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: leaf
The structure was elucidated in this paperPublication DOI: 10.1016/S0031-9422(96)00706-6Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Kenya Forestry Research Institute, Non-Timber Forest Products Research, Nairobi, Kenya
A new flavonol glycoside, quercetin 3-galactosyl(1→2)rhamnoside, has been isolated from the leaves of Embelia schimperi. The known compounds quercetin 3-rutinoside, quercetin 3-rhamnoside, quercetin 3-galactoside, myricetin and quercetin were also identified from this plant.
structural elucidation, Myrsinaceae, Embelia schimperi, quercetin 3-galactosyl(1→2)rhamnoside
Structure type: monomer
C
21H
20O
11Location inside paper: abstract, p.1398, 3
Trivial name: quercitrin, baohuoside-II, quercetin 3-rhamnoside, quercetin 3-O-rhamnoside
Compound class: saponin glycoside, glycoside, flavonoid glycoside, flavonol glycoside
Contained glycoepitopes: IEDB_136105,IEDB_225177,IEDB_885823
Methods: 13C NMR, 1H NMR, NMR-2D, FAB-MS, sugar analysis, TLC, acid hydrolysis, chemical methods, UV, extraction, RP
Comments, role: atom numbering as in publication; NMR data for aglycon are present in publication.
Related record ID(s): 60393, 60395, 60396
NCBI Taxonomy refs (TaxIDs): 459628Reference(s) to other database(s): CCSD:
49971, CBank-STR:599
Show glycosyltransferases
NMR conditions: in CD3OD
[as TSV]
13C NMR data:
Linkage Residue C1 C2 C3 C4 C5 C6
3 aLRhap 102.00 70.10 70.30 74.70 71.00 17.60
xXQuercetin
1H NMR data:
missing...
13C NMR data:
| Linkage | Residue | C1 | C2 | C3 | C4 | C5 | C6 |
|---|
| 3 | aLRhap | 102.00 | 70.10 | 70.30 | 74.70 | 71.00 | 17.60 |
| | xXQuercetin | |
|
There is only one chemically distinct structure:
Found 
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