Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5067
Title: Physicochemical characterization of chitosan extracted from Metapenaeus stebbingi shells
Authors: Küçükgülmez, Aygül
Çelik, Mehmet
Yanar, Yasemen
Şen, Didem
Polat, Hürriyet
Kadak, Ali Eslem
Keywords: Chitosan
Metapenaeus stebbingi
Physicochemical characteristics
Chitin
Issue Date: Jun-2011
Publisher: Elsevier Ltd.
Source: Küçükgülmez, A., Çelik, M., Yanar, Y., Şen, D., Polat, H., and Kadak, A. E. (2011). Physicochemical characterization of chitosan extracted from Metapenaeus stebbingi shells. Food Chemistry, 126(3), 1144-1148. doi:10.1016/j.foodchem.2010.11.148
Abstract: In this study, chitosan was extracted from Metapenaeus stebbingi shells. In order to determine physicochemical characteristics of the extracted chitosan, the yield, moisture and ash contents, degree of deacetylation, molecular weight, water and fat binding capacities, apparent viscosity and colour properties were measured using a variety of techniques including Fourier transform infrared spectroscopy, scanning electron microscopy and X-ray diffraction. In addition, the physicochemical characteristics of the chitosan extracted from M. stebbingi shells were compared to commercial chitosan. The degree of deacetylation was calculated by the titration method and elemental analysis. The molecular weight was determined by viscosimetric methods. The results of the study indicate that shrimp shells are a rich source of chitosan as 17.48% of the shell's dry weight is consisted of this material. Extracted chitosan exhibited a lower molecular weight, higher degree of deacetylation, higher viscosity and higher water and fat binding capacities compared to the commercial chitosan.
URI: https://doi.org/10.1016/j.foodchem.2010.11.148
http://hdl.handle.net/11147/5067
ISSN: 0308-8146
0308-8146
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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