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Solid State NMR for Determination of Degree of Acetylation of Chitin and Chitosan
Abstract
The degree of acetylation (DA) of various samples has been evaluated by 1H liquid-state NMR and 13C and 15N CP-MAS solid-state NMR over the whole range of DA. A good agreement has been found for all the experiments. The 13C and 15N CP-MAS experiments have permitted the evaluation of the chitin DA and content in the structural polysaccharides in a fungus named Aspergillus niger. The fungus structural carbohydrates mainly consist in pure chitin associated with glucans. Comparison of the 13C CP-MAS spectra with standard (1-->3)-beta-D-glucans strongly suggests that chitin and glucans are linked via covalent bonds.
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Citations
Cited by
Main properties and current applications of some polysaccharides as biomaterials
Rinaudo, M. (2008) · Polymer International · doi:10.1002/pi.2378 · Cited by 1,028
Self-citationZargar, V., Asghari, M., & Dashti, A. (2015) · ChemBioEng Reviews · doi:10.1002/cben.201400025 · Cited by 957
Chitosan: A Natural Biopolymer with a Wide and Varied Range of Applications
Jiménez-Gómez, C. P., & Cecilia, J. A. (2020) · Molecules · doi:10.3390/molecules25173981 · Cited by 817
Current state of chitin purification and chitosan production from insects
Hahn, T., Tafi, E., Paul, A., Salvia, R., Falabella, P., & Zibek, S. (2020) · Journal of Chemical Technology & Biotechnology · doi:10.1002/jctb.6533 · Cited by 373
Chitin, Chitosan, and Co-Products: Chemistry, Production, Applications, and Health Effects
Shahidi, F., & Abuzaytoun, R. (2005) · Advances in Food and Nutrition Research · doi:10.1016/s1043-4526(05)49003-8 · Cited by 368
Metadata
- Authors
- Heux, L., Brugnerotto, J., Desbrières, J., Versali, M.-F., & Rinaudo, M.
- Venue
- Biomacromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-11-10
- Volume
- 1
- Issue
- 4
- Pages
- 746-751
- ISSN
- 1525-7797 (ISSN-L)
- 1526-4602
- OpenAlex
- W1964324610
- Cited by
- 384
- References
- 0
- FWCI
- 0.58
- Type
- journal article
- Language
- en
- Open access
- closed
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- Heux, L., Brugnerotto, J., Desbrières, J., Versali, M.-F., & Rinaudo, M. (2000). Solid State NMR for Determination of Degree of Acetylation of Chitin and Chitosan. Biomacromolecules. https://doi.org/10.1021/bm000070y
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