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Determination of enzymatic hydrolysis specificity of partially N-acetylated chitosans

✍ Scribed by Kjell M. Vårum; Hilde Kristiansen Holme; Masato Izume; Bjørn Torger Stokke; Olav Smidsrød

Book ID
116127005
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
856 KB
Volume
1291
Category
Article
ISSN
0304-4165

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Preparation of N-acetylchitooligosacchar
Preparation of N-acetylchitooligosaccharides from lysozymic hydrolysates of partially N-acetylated chitosans
✍ Sei-ichi Aiba 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 616 KB

The conditions for preparing partially IV-acetylated chitosans (PNACs) by reaction of chitosan with acetic anhydride in homogeneous solution were investigated. The following conditions are recommended: chitosan, 1%; acetic acid, 0.4%; methanol, 50%; at room temperature. About 80% of the acetic anhyd