Year 2016, Volume 1, Issue 3
| Year : | 2016 |
| Volume : | 1 |
| Issue : | 3 |
| Authors : | Irina GLOTOVA, Nikolaj VEKSHIN,Vladimir BALABAEV,Olga PEREGONCHAYA, Elena KURCHAEVA |
| Title : | PREPARATION AND PROPERTIES OF CHITOSAN FROM CRAB SHELL CONTAINING RAW MATERIAL BY ELECTROPHYSICAL PROCESSING |
| Abstract : | Traditional technologies of chitosan producing involve the use of hard alkali-acid treatment of crab shell raw materials, which negatively affects the main quality parameters of chitosan (molecular weight, the degree of deacetylation). We propose an alternative technical approach. It involves the use ofelectrohydraulicshocks,whichuseextra-long bits.Theproposed approach has the following advantages:the stages of grinding and deproteinizationof the raw materialsare combined,the additional use ofalkaliis excluded at the stage of deproteinization.For comparative characteristics of the structure of the polymer the IR-spectra of the samplesof chitosanwere removed. Chitosan, obtained using electrohydraulic treatment is not inferior in its physico-chemical parameters of chitosan, obtained by using alkaline reagents. It is possible to organize the process of chitosan production on the base of the enterprises for shrimp processing. Specific requirements for physico-chemical and functional properties of chitosan-containing substances make the actual means and methods of control of the target parameters, the key of which are qualitative identification and comprehensive determination of chitosan in the composition of film-forming compositions and films coatings. As the chromophore to measure the surface potential of the chitosan substances, we used 1-aniline-8-naphthalenesulfonate (ANS). The maximum fluorescence of the dye in chitosan films is shifted to longer wavelengths compared to chitosan gels, because of the increased polarity of the medium of films on the attitude to gel-like chitosan substances. The data obtained by thefluorimetric studies can be used in the development of methods for the detection of chitosan. |
| For citation : | Glotova, I., Vekshin, N., Balabaev, V., Peregonchaya, O., Kurchaeva, E. (2016). Preparation and properties of chitosan from crab shell containing raw material by electrophysical processing. AGROFOR International Journal, Volume 1. Issue No. 3. pp. 89-96. DOI:10.7251/AGRENG1603089G |
| Keywords : | chitin, chitosan, electro-shocks, the degree of deacetylation, shrimp shell |
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ISSN 2490-3434 (Printed)
ISSN 2490-3442 (Online)
ISSN 2490-3442 (Online)
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