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Molecules 2012, 17(4), 4604-4611; doi:10.3390/molecules17044604
Article

Extraction and Characterization of Chitin from the Beetle Holotrichia parallela Motschulsky

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Received: 6 March 2012 / Revised: 31 March 2012 / Accepted: 11 April 2012 / Published: 17 April 2012
(This article belongs to the Special Issue Natural Polysaccharides: Chemistry, Bioactivity and Analysis)
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Abstract

Insect chitin was isolated from adult Holotrichia parallela by treatment with 1 M HCl and 1 M NaOH, following by 1% potassium permanganate solution for decolorization. The yield of chitin from this species is 15%. This insect chitin was compared with the commercial a-chitin from shrimp, by infrared spectroscopy, X-ray diffraction, scanning electron microscopy, and elemental analysis. Both chitins exhibited similar chemical structures and physicochemical properties. Adult H. parallela is thus a promising alternative source of chitin.
Keywords: insect; chitin; Holotrichia parallela; characterization; extraction insect; chitin; Holotrichia parallela; characterization; extraction
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Liu, S.; Sun, J.; Yu, L.; Zhang, C.; Bi, J.; Zhu, F.; Qu, M.; Jiang, C.; Yang, Q. Extraction and Characterization of Chitin from the Beetle Holotrichia parallela Motschulsky. Molecules 2012, 17, 4604-4611.

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