Extraction and characterization of chitin from the beetle Holotrichia parallela motschulsky

  • Liu S
  • Sun J
  • Yu L
 et al. 
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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.

Author-supplied keywords

  • Characterization; extraction
  • Chitin
  • Holotrichia parallela
  • Insect

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Authors

  • Shaofang Liu

  • Jie Sun

  • Lina Yu

  • Chushu Zhang

  • Jie Bi

  • Feng Zhu

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