COMPARING THE ANTIBACTERIAL PROPERTIES OF CHITIN, CHITOSAN AND CHITO-OLIGOMERS EXTRACTED FROM SHELL OF METAPENAEUS AFFINIS

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KHAKSHOOR MOHAMMAD SADEGH; PAZOOKI JAMILEH

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Journal: Journal of Mazandaran University of Medical Sciences Year:2017 | Volume:27 | Issue:151 Page(s): 62-73

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Title

COMPARING THE ANTIBACTERIAL PROPERTIES OF CHITIN, CHITOSAN AND CHITO-OLIGOMERS EXTRACTED FROM SHELL OF METAPENAEUS AFFINIS

Author(s)

KHAKSHOOR MOHAMMAD SADEGH | PAZOOKI JAMILEH | Issue Writer Certificate

Keywords

CRUSTACEANSQ1

OLIGOCHITOSANSQ1

BIOLOGICAL ACTIVITYQ1

MOLECULAR WEIGHTQ1

DEACETYLATIONQ1

Abstract

Background and purpose: Chitin is one of the main components of CRUSTACEANS’ exoskeleton. Chitosan is produced by DEACETYLATION of chitin. MOLECULAR WEIGHT and degree of DEACETYLATION play important roles in BIOLOGICAL ACTIVITY of chitin, chitosan, and their derivatives. So far, various derivatives of chitin and chitosan are obtained. The purpose of this study was to prepare derivatives of chitin and chitosan derived from the shells of shrimp (Metapenaeus affinis) to compare their antibacterial properties.Materials and methods: By investigating different factors, the best condition was determined for extracting chitin and chitosan from the shell of Metapenaeus affinis. N-acetyl chitooligosaccharides and chitooligosaccharides oligomers were prepared through chemical hydrolysis of chitin and chitosan, respectively. The antimicrobial properties of four polymers obtained were investigated on four bacterial strains and compared with an emphasis on MOLECULAR WEIGHT and percentage of DEACETYLATION. Results: The amounts of ash, moisture, protein, and MOLECULAR WEIGHT of chitin was found to be more than those of chitosan. But, the degree of DEACETYLATION of chitosan was much higher than that of chitin. The highest and lowest antibacterial activity was seen in chitooligomers and chitin, respectively. Chitin (somewhat) and chitosan showed bacteriostatic properties against most strains. But, the oligomers revealed bactericidal activity against most of the strains.Conclusion: This study showed that a product with higher purity can be obtained by manipulating the extraction method (demineralization and deproteinization). Moreover, antibacterial activity is directly related to reduced MOLECULAR WEIGHT and increased percentage of DEACETYLATION, so, oligomers showed more antibacterial properties.

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APA: Copy

KHAKSHOOR, MOHAMMAD SADEGH, & PAZOOKI, JAMILEH. (2017). COMPARING THE ANTIBACTERIAL PROPERTIES OF CHITIN, CHITOSAN AND CHITO-OLIGOMERS EXTRACTED FROM SHELL OF METAPENAEUS AFFINIS. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 27(151), 62-73. SID. https://sid.ir/paper/46059/en

Vancouver: Copy

KHAKSHOOR MOHAMMAD SADEGH, PAZOOKI JAMILEH. COMPARING THE ANTIBACTERIAL PROPERTIES OF CHITIN, CHITOSAN AND CHITO-OLIGOMERS EXTRACTED FROM SHELL OF METAPENAEUS AFFINIS. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2017;27(151):62-73. Available from: https://sid.ir/paper/46059/en

IEEE: Copy

MOHAMMAD SADEGH KHAKSHOOR, and JAMILEH PAZOOKI, “COMPARING THE ANTIBACTERIAL PROPERTIES OF CHITIN, CHITOSAN AND CHITO-OLIGOMERS EXTRACTED FROM SHELL OF METAPENAEUS AFFINIS,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 27, no. 151, pp. 62–73, 2017, [Online]. Available: https://sid.ir/paper/46059/en

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