Chitin and chitosan were extracted from holotrichia titanus reitt and its deacetyiation could reach up to 855%.The best extraction condition was that soak the chitin for 24 hours in 25mol/L hydrochloric acid solut...Chitin and chitosan were extracted from holotrichia titanus reitt and its deacetyiation could reach up to 855%.The best extraction condition was that soak the chitin for 24 hours in 25mol/L hydrochloric acid solution,then 4 hours in 25mol/L sodium hydroxide at 78℃.After that 12 hours in 2mol/L then 4 hours in 2mol/L sodium hydroxide at 78℃.Final product was charactered by IR and its productivity was 3622%.展开更多
文摘Chitin and chitosan were extracted from holotrichia titanus reitt and its deacetyiation could reach up to 855%.The best extraction condition was that soak the chitin for 24 hours in 25mol/L hydrochloric acid solution,then 4 hours in 25mol/L sodium hydroxide at 78℃.After that 12 hours in 2mol/L then 4 hours in 2mol/L sodium hydroxide at 78℃.Final product was charactered by IR and its productivity was 3622%.