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Open AccessArticle

Electrochemical Approach for Isolation of Chitin from the Skeleton of the Black Coral Cirrhipathes sp. (Antipatharia)

1
Faculty of Chemical Technology, Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, ul. Berdychowo 4, 60965 Poznan, Poland
2
Institute of Semiconductors and Microsystems, TU Dresden, 01062 Dresden, Germany
3
Leibniz Institute of Polymer Research Dresden, 01069 Dresden, Germany
4
Faculty of Chemical Technology, Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60965 Poznan, Poland
5
Institute of Electronics and Sensor Materials, TU Bergakademie Freiberg, Gustav-Zeuner str. 3, 09599 Freiberg, Germany
6
Department of Heat Treatment and Physics of Metal, Ural Federal University, Mira Str. 19, Ekaterinburg 620002, Russia
7
The Institute of High Temperature Electrochemistry of the Ural Branch of the Russian Academy of Sciences, Akademicheskaya Str. 20, Ekaterinburg 620990, Russia
8
Dipartimento di Scienze della Terra, dell’Ambiente e della Vita, Università degli Studi di Genova, Corso Europa 26, 16132 Genova, Italy
9
Center for Advanced Technology, Adam Mickiewicz University, 61614 Poznan, Poland
*
Authors to whom correspondence should be addressed.
Mar. Drugs 2020, 18(6), 297; https://doi.org/10.3390/md18060297
Received: 9 May 2020 / Revised: 28 May 2020 / Accepted: 29 May 2020 / Published: 2 June 2020
The development of novel and effective methods for the isolation of chitin, which remains one of the fundamental aminopolysaccharides within skeletal structures of diverse marine invertebrates, is still relevant. In contrast to numerous studies on chitin extraction from crustaceans, mollusks and sponges, there are only a few reports concerning its isolation from corals, and especially black corals (Antipatharia). In this work, we report the stepwise isolation and identification of chitin from Cirrhipathes sp. (Antipatharia, Antipathidae) for the first time. The proposed method, aiming at the extraction of the chitinous scaffold from the skeleton of black coral species, combined a well-known chemical treatment with in situ electrolysis, using a concentrated Na2SO4 aqueous solution as the electrolyte. This novel method allows the isolation of α-chitin in the form of a microporous membrane-like material. Moreover, the extracted chitinous scaffold, with a well-preserved, unique pore distribution, has been extracted in an astoundingly short time (12 h) compared to the earlier reported attempts at chitin isolation from Antipatharia corals. View Full-Text
Keywords: chitin; biological materials; electrolysis; Antipatharia; black corals; Cirrhipathes sp. chitin; biological materials; electrolysis; Antipatharia; black corals; Cirrhipathes sp.
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Nowacki, K.; Stępniak, I.; Langer, E.; Tsurkan, M.; Wysokowski, M.; Petrenko, I.; Khrunyk, Y.; Fursov, A.; Bo, M.; Bavestrello, G.; Joseph, Y.; Ehrlich, H. Electrochemical Approach for Isolation of Chitin from the Skeleton of the Black Coral Cirrhipathes sp. (Antipatharia). Mar. Drugs 2020, 18, 297.

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