1398-61-4 | Chitin

Chemical type

• Natural structural polysaccharide
• β-(1→4)-linked N-acetylglucosamine polymer

Key properties

• Rigid, crystalline inner-core component
• High structural stability
• Near full acetylation (minimal chitosan formation)
• Low water accessibility
• Provides mechanical strength
• Resistant to enzymatic self-degradation

• Insoluble biopolymer
• Major structural component of fungal cell walls
• Substrate for chitinase
• Forms rigid microfibrils

• Structural scaffold of fungal cell wall
• Protection against self-secreted chitinases
• Maintains cell wall integrity

• Target molecule during protoplast formation
• Substrate (colloidal chitin, 1%) for chitinase activity assay
• Indicator of chitinase efficiency

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1. [Cite:1] Solid-state NMR spectroscopy reveals unique properties of Trichoderma harzianum cell wall components, The Cell Surface, Volume 14, December 2025, 100156
2. [Cite:2] Protoplasting of Aspergillus niger using Trichoderma harzianum culture medium after growth on cell walls of the target fungus, Journal of Microbiological Methods, Volume 238, November 2025, 107252