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Akiyama Y, Eda S, Mori M, Kato K
An arabinoglucuronomannan from extracellular polysaccharides of suspension-cultured tobacco cells
Agricultural and Biological Chemistry 48(2) (1984)
403-407
|
/Variants 0/-+ D-Galp-(1-3)-+
| |
-4)-b-D-GlcpA-(1-2)-a-D-Manp-(1-4)-b-D-GlcpA-(1-2)-a-D-Manp-(1-
/Variants 0/ is:
a-L-Araf-(1-5)-a-L-Araf-(1-3)-
OR (exclusively)
a-L-Araf-(1-3)- |
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Nicotiana tabacum
(NCBI TaxID 4097,
species name lookup)
Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: suspension culture
The structure was elucidated in this paperJournal NLM ID: 0370452WWW link: http://ci.nii.ac.jp/naid/130000027045Publisher: Tokyo: Agricultural Chemical Society Of Japan
Institutions: Central Research Institute, The Japan Tobacco and Salt Public Corporation, Yokohama, Japan
A polysaccharide containing L-arabinose, D-mannose, D-galactose, and D-glucuronic acid residues in the molar ratio of 46.9:26.0: 3.9:23.2 was isolated from the extracellular polysaccharides of suspension-cultured tobacco cells by ion-exchange chromatography and barium hydroxide precipitation. Structural studies were performed by methylation analysis, 13C-NMR spectroscopy, partial hydrolysis with acid, and carboxyl-reduction. From those experiments, a structure for the polysaccharide is proposed.
Structure type: polymer chemical repeating unit
Location inside paper: fig. 2
Contained glycoepitopes: IEDB_115136,IEDB_130701,IEDB_136044,IEDB_136906,IEDB_136907,IEDB_137472,IEDB_140630,IEDB_141794,IEDB_144983,IEDB_151528,IEDB_152206,IEDB_190606,IEDB_423153,IEDB_983930,SB_165,SB_166,SB_187,SB_195,SB_44,SB_67,SB_7,SB_72,SB_88
Methods: 13C NMR, GLC-MS, partial acid hydrolysis, TLC, acid hydrolysis, HPLC, methylation analysis, zone electrophoresis, Hakomori's method
NCBI Taxonomy refs (TaxIDs): 4097Reference(s) to other database(s): CCSD:
1243, CBank-STR:15690
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Akiyama Y, Eda S, Mori M, Kato K
An arabinoglucuronomannan from extracellular polysaccharides of suspension-cultured tobacco cells
Agricultural and Biological Chemistry 48(2) (1984)
403-407
|
/Variants 1/-+ /Variants 0/-+
| |
-4)-b-D-GlcpA-(1-2)-a-D-Manp-(1-4)-b-D-GlcpA-(1-2)-a-D-Manp-(1-
/Variants 0/ is:
a-L-Araf-(1-5)-a-L-Araf-(1-3)-
OR (exclusively)
a-L-Araf-(1-3)-
/Variants 1/ is:
a-L-Araf-(1-5)-a-L-Araf-(1-3)-
OR (exclusively)
a-L-Araf-(1-3)- |
Show graphically |
Nicotiana tabacum
(NCBI TaxID 4097,
species name lookup)
Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: suspension culture
The structure was elucidated in this paperJournal NLM ID: 0370452WWW link: http://ci.nii.ac.jp/naid/130000027045Publisher: Tokyo: Agricultural Chemical Society Of Japan
Institutions: Central Research Institute, The Japan Tobacco and Salt Public Corporation, Yokohama, Japan
A polysaccharide containing L-arabinose, D-mannose, D-galactose, and D-glucuronic acid residues in the molar ratio of 46.9:26.0: 3.9:23.2 was isolated from the extracellular polysaccharides of suspension-cultured tobacco cells by ion-exchange chromatography and barium hydroxide precipitation. Structural studies were performed by methylation analysis, 13C-NMR spectroscopy, partial hydrolysis with acid, and carboxyl-reduction. From those experiments, a structure for the polysaccharide is proposed.
Structure type: polymer chemical repeating unit
Location inside paper: fig. 2
Contained glycoepitopes: IEDB_115136,IEDB_130701,IEDB_136907,IEDB_140630,IEDB_144983,IEDB_152206,IEDB_423153,IEDB_983930,SB_44,SB_67,SB_72
Methods: 13C NMR, GLC-MS, partial acid hydrolysis, TLC, acid hydrolysis, HPLC, methylation analysis, zone electrophoresis, Hakomori's method
NCBI Taxonomy refs (TaxIDs): 4097Reference(s) to other database(s): CCSD:
1552, CBank-STR:16806
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There is only one chemically distinct structure:
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Varshney IP, Jain DC, Srivastava HC
Saponins from Trigonella foenum-graecum leaves
Journal of Natural Products 47(1) (1984)
44-46
Trigonella foenum-graecum
(NCBI TaxID 78534,
species name lookup)
Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: leaf
The structure was elucidated in this paperPublication DOI: 10.1021/np50031a002Journal NLM ID: 7906882Publisher: American Society of Pharmacognosy
Institutions: Department of Chemistry, University of Garhwal, Srinagar-Garhwa1, India, Chemistry Division, Ahmedabad Textile Industry’s Research Association, Ahmedabad, India
From the leaves of Trigonella foenum-graecum five new spirostanol saponins have been isolated and named as graecunin-B, -C, -D, -E, and -G. The structures of graecunin-G and graecunin-E have been shown to be (diosgenin) 3-O-α-D-glucopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→6)-α-D-glucopyranoside and (diosgenin) 3-O-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→6)-α-D-glucopyranoside, respectively.
Structure type: oligomer
Location inside paper: abstract
Trivial name: graecunin G, graecunin
Compound class: saponin glycoside
Contained glycoepitopes: IEDB_136105,IEDB_142488,IEDB_144144,IEDB_144998,IEDB_146664,IEDB_225177,IEDB_885823,IEDB_983931,SB_192
Methods: periodate oxidation, IR, partial acid hydrolysis, TLC, GLC, methanolysis, enzymatic digestion, methylation analysis, PC, Hakomori's method
NCBI Taxonomy refs (TaxIDs): 78534Reference(s) to other database(s): CCSD:
12954, CBank-STR:5622
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Varshney IP, Jain DC, Srivastava HC
Saponins from Trigonella foenum-graecum leaves
Journal of Natural Products 47(1) (1984)
44-46
|
a-D-Glcp-(1-4)-a-D-Glcp-(1-2)-a-L-Rhap-(1-6)-a-D-Glcp-(1-3)-Diosgenin |
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Trigonella foenum-graecum
(NCBI TaxID 78534,
species name lookup)
Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: leaf
The structure was elucidated in this paperPublication DOI: 10.1021/np50031a002Journal NLM ID: 7906882Publisher: American Society of Pharmacognosy
Institutions: Department of Chemistry, University of Garhwal, Srinagar-Garhwa1, India, Chemistry Division, Ahmedabad Textile Industry’s Research Association, Ahmedabad, India
From the leaves of Trigonella foenum-graecum five new spirostanol saponins have been isolated and named as graecunin-B, -C, -D, -E, and -G. The structures of graecunin-G and graecunin-E have been shown to be (diosgenin) 3-O-α-D-glucopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→6)-α-D-glucopyranoside and (diosgenin) 3-O-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→6)-α-D-glucopyranoside, respectively.
Structure type: oligomer
Location inside paper: abstract
Trivial name: graecunin E, graecunin
Compound class: saponin glycoside
Contained glycoepitopes: IEDB_136105,IEDB_140629,IEDB_142488,IEDB_144144,IEDB_144998,IEDB_146664,IEDB_225177,IEDB_885823,IEDB_983931,SB_192
Methods: periodate oxidation, IR, partial acid hydrolysis, TLC, GLC, methanolysis, enzymatic digestion, methylation analysis, PC, Hakomori's method
NCBI Taxonomy refs (TaxIDs): 78534Reference(s) to other database(s): CCSD:
12955, CBank-STR:9227
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There is only one chemically distinct structure:
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