Structural studies of saponins from Quillaja saponaria Molina:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Uppsala
Swedish Univ. of Agricultural Sciences
2000
|
| Schriftenreihe: | Sveriges Lantbruksuniversitet <Uppsala u.a.>: [Acta Universitatis Agriculturae Sueciae / Agraria]
238 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Uppsala, Sveriges Lantbruksuniv., Diss., 2000 |
| Beschreibung: | Getr. Zählung Ill., graph. Darst. |
| ISBN: | 9157657866 |
Internformat
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Datensatz im Suchindex
| _version_ | 1804128598060171264 |
|---|---|
| adam_text | Titel: Structural studies of saponins from Quillaja saponaria Molina
Autor: Guo, Shengjun
Jahr: 2000
Contents
Introduction.................................................................................................9
Triterpenoid and steroid saponins.............................................................9
Quillaja saponaria saponins...............................................................................9
Saponin adjuvant and ISCOMs.........................................................................10
Structure characterization of Quillaja saponins..............................................II
Structures reported from Quillaja saponaria Molina....................................12
Aim of the thesis................................................................................................14
Isolation and purification of Quillaja saponins..........................................15
Methods for structural analysis of Quillaja saponins...............................16
Alkaline hydrolysis.............................................................................................16
Monosaccharide analysis.............................................................................16
Determination of the absolute configuration...................................................17
Methylation analysis....................................................................................17
Mass spectrometry.......................................................................................18
NMR spectroscopy.............................................................................................18
Structural studies of saponins from Quillaja saponaria Molina............20
Saponins 1-3 from QH-A (Paper I)..................................................................20
Saponins 4-18 from QH-A and a similar bark extract of Quillaja
saponaria Molina (Paper II HI)...............................................................22
Saponins 19-23, conatining non-quillaic acid triterpenes and new
Oacyl components, from Quillaja saponaria Molina (Paper IV)..........28
Triterpene moiety.............................................................................................28
Di- or trisaccharides at C-3 of the triterpene..................................................32
Oligosaccharides at C-28 of the triterpene......................................................32
Acyl substituents...............................................................................................34
Stereochemistry of aliphatic acids obtained from
Quillaja saponins (Paper V)......................................................................35
Introduction.........................................................................................................35
Methods for determination of absolute configuration...................................35
Chiral GC-MS for determination of absolute configuration...........................35
NMR-based methods for determination of absoluteconfiguratio............36
X-ray crystallography......................................................................................37
Mild alkaline hydrolysis and isolation of the C5, C7 and Q acids...............38
Stereochemistry of 2-methylbutanoic acid......................................................39
Stereochemistry of 3,5-dihydroxy-6-methyloctanoic acid............................39
Stereochemistry of 3-hydroxy-4-methylhexanoic acid..................................41
Reference.............................................................................................................44
Acknowledgment...............................................................................................47
|
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| indexdate | 2024-07-09T18:51:47Z |
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| isbn | 9157657866 |
| language | English |
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| spelling | Guo, Shengjun Verfasser aut Structural studies of saponins from Quillaja saponaria Molina Shengjun Guo Uppsala Swedish Univ. of Agricultural Sciences 2000 Getr. Zählung Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Sveriges Lantbruksuniversitet <Uppsala u.a.>: [Acta Universitatis Agriculturae Sueciae / Agraria] 238 Zugl.: Uppsala, Sveriges Lantbruksuniv., Diss., 2000 Saponins Analysis Saponins Structure Quillaja saponaria (DE-588)4642154-3 gnd rswk-swf Strukturaufklärung (DE-588)4183788-5 gnd rswk-swf Saponine (DE-588)4179101-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Quillaja saponaria (DE-588)4642154-3 s Saponine (DE-588)4179101-0 s Strukturaufklärung (DE-588)4183788-5 s DE-604 Agraria] Sveriges Lantbruksuniversitet <Uppsala u.a.>: [Acta Universitatis Agriculturae Sueciae 238 (DE-604)BV010948960 238 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009417602&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Guo, Shengjun Structural studies of saponins from Quillaja saponaria Molina Saponins Analysis Saponins Structure Quillaja saponaria (DE-588)4642154-3 gnd Strukturaufklärung (DE-588)4183788-5 gnd Saponine (DE-588)4179101-0 gnd |
| subject_GND | (DE-588)4642154-3 (DE-588)4183788-5 (DE-588)4179101-0 (DE-588)4113937-9 |
| title | Structural studies of saponins from Quillaja saponaria Molina |
| title_auth | Structural studies of saponins from Quillaja saponaria Molina |
| title_exact_search | Structural studies of saponins from Quillaja saponaria Molina |
| title_full | Structural studies of saponins from Quillaja saponaria Molina Shengjun Guo |
| title_fullStr | Structural studies of saponins from Quillaja saponaria Molina Shengjun Guo |
| title_full_unstemmed | Structural studies of saponins from Quillaja saponaria Molina Shengjun Guo |
| title_short | Structural studies of saponins from Quillaja saponaria Molina |
| title_sort | structural studies of saponins from quillaja saponaria molina |
| topic | Saponins Analysis Saponins Structure Quillaja saponaria (DE-588)4642154-3 gnd Strukturaufklärung (DE-588)4183788-5 gnd Saponine (DE-588)4179101-0 gnd |
| topic_facet | Saponins Analysis Saponins Structure Quillaja saponaria Strukturaufklärung Saponine Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009417602&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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| work_keys_str_mv | AT guoshengjun structuralstudiesofsaponinsfromquillajasaponariamolina |