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

Extraction and Characterization of Chitin from the Beetle Holotrichia parallela Motschulsky

, , , , , , ,  and *
Shandong Peanut Research Institute, No. 126 Fushan Road, Qingdao 266100, China
* Author to whom correspondence should be addressed.
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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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 (CC BY 3.0).

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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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