Details

Autor(en) / Beteiligte

• Vasilieva, Tatiana
• Lopatin, Sergey
• Varlamov, Valery
• Miasnikov, Vladimir
• Hein, Aung Myat
• Vasiliev, Michael

Titel

Hydrolysis of chitin and chitosan in low temperature electron-beam plasma

Ist Teil von

• Pure and applied chemistry, 2016-09, Vol.88 (9), p.873-879

Ort / Verlag

Berlin: De Gruyter

Erscheinungsjahr

2016

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• Hydrolysis of natural chitin and chitosans was performed in the electron beam plasma (EBP) of oxygen, by means of specially designed electron beam plasmachemical reactor (EBPR). Low molecular water-soluble chitin oligosaccharides with weight-average molecular mass 800–2000 Da and polydispersion index 1.5–2.5 were produced due to action of active oxygen species formed in the EBP. By optimizing the treatment conditions the 95% yield of chitin oligosaccharides was obtained after 2 min whereas the conventional chemical hydrolysis usually takes several days. The studies of the antimicrobial activity of low molecular products formed due to EBP-stimulated degradation showed that they inhibit the multiplication of various mycelial and yeast-like fungi. The technique involved is likely to be promising for the production of bioactive low molecular chitin oligosaccharides and the EBP-stimulated hydrolysis appears to be competitive with technologies conventionally used in the industry.