Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: root
NCBI PubMed ID: 10703068Publication DOI: 10.1016/s0031-9422(99)00568-3Journal NLM ID: 0151434Publisher: Elsevier
Correspondence: peter.houghton
kcl.ac.uk
Institutions: CECF-Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal, Centro de Quimica Organica ''Manuel Lora Tamayo'', Madrid, Spain, Pharmacognosy Research Laboratories, King's College London, London, UK
Two novel diglycosylated steroidal alkaloids of 5-pregnene nucleus, named obtusine-20(R)-O-[β-thevetopyranosyl-(1→4)-β-cymaropyranoside] and obtusolactam-20(R)-O-[β-thevetopyranosyl-(1→4)-β-cymaropyranoside], together with the known β-sitosteryl-3-O-β-glucopyranoside were isolated from the roots of Cryptolepis obtusa N. E. Br.
saponins, Cryptolepis obtusa, Periplocaceae or Asclepiadaceae, 5Δ-pregnene steroidal alkaloids
Structure type: monomer
Location inside paper: p. 421, structure 3
Trivial name: daucosterol, β-daucosterol, β-sitosterol, β-sitosterol-β-D-glucoside, androsine, saxifragifolin B, β-sitosterol 3-O-β-D-glucopyranoside
Compound class: saponin glycoside, glycoside, steroid glycoside, triterpene glycoside, triterpenoid glycoside
Contained glycoepitopes: IEDB_142488,IEDB_146664,IEDB_983931,SB_192
Methods: 13C NMR, 1H NMR, NMR-2D, TLC, ESI-MS, acid hydrolysis, HPLC, extraction, evaporation
Related record ID(s): 67325, 67326
NCBI Taxonomy refs (TaxIDs): 1205722Reference(s) to other database(s): GenDB:MK026953.1
Show glycosyltransferases
There is only one chemically distinct structure:
Found 
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