Structural elucidation of the polysaccharide from Sterculia apetala gum by a combination of chemical methods and NMR spectroscopy
✍ Scribed by Larrazábal Marvelys; Martínez Maritza; Sanabria Lilian; León de Pinto Gladys; Herrera Julio
- Book ID
- 113627336
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 392 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0268-005X
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📜 SIMILAR VOLUMES
The primary structure of the acidic capsular antigen of Escherichia coli 020:K101 was shown by glycose analysis, methylation analysis, and one-and two-dimensional 'H and "C NMR spectroscopy to be composed of repeating branched-tetrasaccharide units having the structure: --f 3)-fi-o-GalpNAc-(1 --f 4
## Abstract 3α‐Acetyl‐β‐boswellic acid (**1**), 3α‐acetyl‐α‐boswellic acid (**2**), 3α‐acetyl‐9,11‐dehydro‐β‐boswellic acid (**3**), 3α‐acetyl‐9,11‐dehydro‐α‐boswellic acid (**4**) and 3α‐acetyl‐11‐keto‐β‐boswellic acid (**5**) were isolated from the gum resin of __Boswellia serrata__. 1D and 2D NM