Accessibility of chitin and chitosan in enzymatic hydrolysis: A review

DN Poshina, SV Raik, AN Poshin, YA Skorik - Polymer degradation and …, 2018 - Elsevier
The enzymatic modification of polysaccharides has attracted much research attention, as it
raises the possibility of using highly selective reactions performed by naturally designed …

[引用][C] Unusual susceptibility of chitosan to enzymic hydrolysis

D Pantaleone, M Yalpani, M Scollar - Carbohydrate Research, 1992 - Elsevier
Chitosan and its N-acetylated analogue, chitin, are among the most abundant glycans in
nature. The cationic charge of chitosan is unique among glycans, and its biological and …

Structure and function of enzymes acting on chitin and chitosan

IA Hoell, G Vaaje-Kolstad… - Biotechnology and Genetic …, 2010 - Taylor & Francis
Enzymatic conversions of chitin and its soluble, partially deacetylated derivative chitosan are
of great interest. Firstly, chitin metabolism is an important process in fungi, insects and …

[HTML][HTML] Enzymatic modifications of chitin, chitosan, and chitooligosaccharides

MB Kaczmarek, K Struszczyk-Swita, X Li… - … in bioengineering and …, 2019 - frontiersin.org
Chitin and its N-deacetylated derivative chitosan are two biological polymers that have
found numerous applications in recent years, but their further deployment suffers from …

High yield production of monomer-free chitosan oligosaccharides by pepsin catalyzed hydrolysis of a high deacetylation degree chitosan

T Roncal, A Oviedo, IL de Armentia, L Fernández… - Carbohydrate …, 2007 - Elsevier
The high molecular weight of chitosan, which results in a poor solubility at neutral pH values
and high viscosity aqueous solutions, limits its potential uses in the fields of food, health and …

Recent developments in chitosanase research and its biotechnological applications: A review

N Thadathil, SP Velappan - Food chemistry, 2014 - Elsevier
Abstract Chitosanases (EC 3.2. 1.132) are glycosyl hydrolases that catalyse the
endohydrolysis of β-1, 4-glycosidic bonds of partially acetylated chitosan to release chitosan …

An examination of the unusual susceptibilities of aminoglycans to enzymatic hydrolysis

M Yalpani, D Pantaleone - Carbohydrate Research, 1994 - Elsevier
The hydrolytic susceptibilities of aminoglycans, including chitosan, chitin, water-soluble
chitin, chitin azure, and α-(1→ 4)-poly (galactosamine), to a series of commercial enzyme …

Structural and biochemical insights into the degradation mechanism of chitosan by chitosanase OU01

Q Lyu, Y Shi, S Wang, Y Yang, B Han, W Liu… - … et Biophysica Acta (BBA …, 2015 - Elsevier
Background A detailed knowledge about the degradation mechanism of chitosanase
hydrolysis is critical for the design of novel enzymes to produce well-defined chito …

Chitosanases—properties and applications: a review

D Somashekar, R Joseph - Bioresource technology, 1996 - Elsevier
Chitosanases which catalyze the hydrolytic degradation of chitosan are to be regarded as
important for the extensive carbon and nitrogen recycle which occurs in nature …

Preparation and characterisation of low molecular weight chitosan and chito-oligomers by a commercial enzyme

J Li, Y Du, J Yang, T Feng, A Li, P Chen - Polymer Degradation and stability, 2005 - Elsevier
Chitosan with 91.7% deacetylation was hydrolysed by a commercially available and efficient
neutral protease. The degradation was monitored by gel permeation chromatography …