Results 91 to 100 of about 2,147 (208)

Enzymatic Modification of Native Chitin and Conversion to Specialty Chemical Products

open access: yesMarine Drugs, 2020
Chitin is one of the most abundant biomolecules on earth, occurring in crustacean shells and cell walls of fungi. While the polysaccharide is threatening to pollute coastal ecosystems in the form of accumulating shell-waste, it has the potential to be ...
Nathanael D. Arnold   +3 more
doaj   +1 more source

Synergistic Effect of Macadamia Nut Oil and Chitosan Coatings on Physicochemical Characteristics of Tomatoes During Storage

open access: yesJournal of Food Quality, Volume 2025, Issue 1, 2025.
A significant portion of globally produced fruits are lost between the farmer and consumer, necessitating solutions like natural edible coatings for preservation due to their low cost and less toxicity. This study aimed to assess whether the combination of macadamia nut oil and chitosan posed synergistic effects on physicochemical properties of tomato ...
Tlehema Gwandu Umbayda   +3 more
wiley   +1 more source

Characterization of a Chitosanase fromAspergillus fumigatusATCC13073

open access: yesBioscience, Biotechnology, and Biochemistry, 2012
Chitosanase II was purified from the culture filtrate of Aspergillus fumigatus ATCC13073. The purified enzyme had a molecular mass of 23.5 kDa. The N-terminal amino acid sequence of chitosanase II was identical to those of other Aspergillus chitosanases belonging to glycoside hydrolase family 75.
HIRANO, Katsuaki   +4 more
openaire   +2 more sources

Chitosanase signal peptide from Bacillus subtilis its lead target protein to periplasmic space in Escherichia coli [PDF]

open access: yes, 2016
We isolated chitosanase secreting B. subtilis CH2 and identified the chitosanase sequence. Analyzed the sequence showed that it consisted of 813 bp, including 87 bp signal sequence. The signal sequence leads the target protein to the cell-membrane of the
오철홍   +8 more
core  

Characterisation of Chitooligomers Prepared with the Aid of Cellulase, Xylanase and Chitosanase

open access: yesWorld Academy of Science, Engineering and Technology, 2014
The aim of this study was to obtain chitooligosaccharides from chitosan with better functional properties using three different enzyme preparations and compare the products of enzymatic hydrolysis. Commercially available cellulase (CL), xylanase (X) and chitosanase (CS) preparations were used to investigate hydrolytic activity on chitosan (CH) with low
Anna Zimoch-Korzycka   +2 more
openaire   +2 more sources

Expression of Bacillus sp. NCHU-5 chitosanase gene in Escherichia coli and Bacillus subtilis and the application of chitosanase in the transformation of Rhizopus oryzae [PDF]

open access: yes, 2014
Chitosan oligosaccharides of hexamer to decamer in chain length perform more potent antimicrobial, antitumor, and immunopotentiating activities, than shorter oligosaccharides. Chitosan digested with an endo-type chitosanase have the opportunity to obtain
Chen, Chang-Chen, 陳昶成
core  

Chitosanase from Streptomyces sp. strain N174: a comparative review of its structure and function [PDF]

open access: yes, 1997
Novel information on the structure and function of chitosanase, which hydrolyzes the beta -1,4-glycosidic linkage of chitosan, has accumulated in recent years. The cloning of the chitosanase gene from Streptomyces sp.
Tamo Fukamizo, Ryszard Brzezinski
core   +1 more source

Production of Chitooligosaccharides and Their Potential Applications in Medicine

open access: yesMarine Drugs, 2010
Chitooligosaccharides (CHOS) are homo- or heterooligomers of N-acetylglucosamine and D-glucosamine. CHOS can be produced using chitin or chitosan as a starting material, using enzymatic conversions, chemical methods or combinations thereof. Production of
Vincent G. H. Eijsink   +5 more
doaj   +1 more source

Structural and Functional Characterization of PR-4 SUGARWINs From Sugarcaneand Their Role in Plant Defense

open access: yesFrontiers in Plant Science, 2019
SUGARWIN1 and 2 are defense proteins from sugarcane. Their gene expression is known to be induced in response to wound and Diatraea saccharalis damage. Although the recombinant SUGARWIN protein does not affect insect development, it promotes significant ...
Flávia P. Franco   +5 more
doaj   +1 more source

The Identification and Characterization of Chitotriosidase Activity in Pancreatin from Porcine Pancreas

open access: yesMolecules, 2013
The versatile oligosaccharide biopolymers, chitin and chitosan, are typically produced using enzymatic processes. However, these processes are usually costly because chitinases and chitosanases are available in limited quantities.
Jeen-Kuan Chen   +3 more
doaj   +1 more source

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