Changes in physicochemical properties of chitin at developmental stages (larvae, pupa and adult) of Vespa crabro (wasp)

Murat Kaya (Corresponding Author), Karwan Sofi, Idris Sargin, Muhammad Mujtaba

Research output: Contribution to journalArticleScientificpeer-review

45 Citations (Scopus)

Abstract

It is already known that chitin in a single organism can exhibit huge differences depending on the functions it serves in different body parts, but the alterations in the characteristics of chitin in course of developmental stages of an organism still remain unknown. This study presents findings on how chitin matrix is changing physicochemically through discrete morphological stages - larva, pupa and adult - of an insect (Vespa crabro). Chitin content of the organisms were found to increase gradually as the organism grew; 2.1, 6.2 and 10.3%, with a dramatic increase in chitin deposition (nearly 3 folds) during the instar from larva to pupa. Enzymatic digestion test demonstrated that chitin isolates were close to pure. Chitin isolates were also subjected to thermal pyrolysis and no variations were observed in the thermal stability of the samples. However, it was observed that surface characteristics of chitin changed greatly as the insect grew.

Original languageEnglish
Pages (from-to)64-70
Number of pages7
JournalCarbohydrate Polymers
Volume145
DOIs
Publication statusPublished - 10 Jul 2016
MoE publication typeA1 Journal article-refereed

Keywords

  • Biopolymer
  • Characterization
  • Chitin
  • Chitinase test
  • Extraction
  • Insect

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