Results 21 to 30 of about 2,932 (166)

Green-Chemical Strategies for Production of Tailor-Made Chitooligosaccharides with Enhanced Biological Activities

open access: yesMolecules, 2023
Chitooligosaccharides (COSs) are b-1,4-linked homo-oligosaccharides of N-acetylglucosamine (GlcNAc) or glucosamine (GlcN), and also include hetero-oligosaccharides composed of GlcNAc and GlcN.
Reeba Thomas   +2 more
doaj   +1 more source

Identification and Characterization of Three Chitinases with Potential in Direct Conversion of Crystalline Chitin into N,N′-diacetylchitobiose

open access: yesMarine Drugs, 2022
Chitooligosaccharides (COSs) have been widely used in agriculture, medicine, cosmetics, and foods, which are commonly prepared from chitin with chitinases.
Xue-Bing Ren   +8 more
doaj   +1 more source

Research progress on effect of chitooligosaccharides in fish intestinal health

open access: yesSiliao yanjiu, 2023
Chitooligosaccharides are positively charged cationic alkaline oligosaccharides composed of N-acetyl-D-glucosamine with β-(1, 4)-glycosidic linkages, which are small molecule oligosaccharides with a polymerization degree of less than 20%, molecular ...
CHEN Zhi-long   +4 more
doaj  

Nanoparticles of lignins and saccharides from fishery wastes as sustainable UV-Shielding, antioxidant, and antimicrobial biofillers [PDF]

open access: yes, 2022
Lignin nanoparticles containing saccharides from fishery wastes were prepared as sustainable biofillers for advanced materials. Organosolv lignin and Kraft lignin were used as polyphenol components in association with chitosan and chitooligosaccharides ...
Tomaino E.   +9 more
core   +3 more sources

Chitooligosaccharides Prevents the Development of Colitis-Associated Colorectal Cancer by Modulating the Intestinal Microbiota and Mycobiota

open access: yesFrontiers in Microbiology, 2019
Gut microbes play a crucial role in the development of colorectal cancer. Chitooligosaccharides (COS), are oligomer that are depolymerized from chitosan and possess a wide range of biological activities.
Minna Wu   +10 more
doaj   +1 more source

Antimicrobial Activity of Chitosan Oligosaccharides with Special Attention to Antiparasitic Potential

open access: yesMarine Drugs, 2021
The global rise of infectious disease outbreaks and the progression of microbial resistance reinforce the importance of researching new biomolecules.
Nayara Sousa da Silva   +10 more
doaj   +1 more source

Characterization of the Specific Mode of Action of a Chitin Deacetylase and Separation of the Partially Acetylated Chitosan Oligosaccharides

open access: yesMarine Drugs, 2019
Partially acetylated chitosan oligosaccharides (COS), which consists of N-acetylglucosamine (GlcNAc) and glucosamine (GlcN) residues, is a structurally complex biopolymer with a variety of biological activities.
Xian-Yu Zhu   +5 more
doaj   +1 more source

Effects of chitooligosaccharides on rabbit neutrophils in vitro

open access: yes, 2007
The effects of chitooligosaccharides(COS) on resting and PMA-activated neutrophils were estimated. MTT assays, NO estimation and superoxide detection revealed that chitooligosaccharides at concentrations of 25, 50, 75, and 100 mu g/ml increased the ...
Wang, Keyi   +6 more
core   +1 more source

Investigation of the antioxidant activity of chitooligosaccharides on mice with high-fat diet [PDF]

open access: yes, 2016
The objective of this study was to analyze the antioxidant activities of chitooligosaccharides (COS) both in vitro and in high-fat diet (HFD)-mouse model. In antioxidant assays in HFD-mouse model, mice were administered with normal diet, HFD, or HFD with
Jianzhong Han, Daofeng Qu
core   +2 more sources

Expanding the Biological Role of Lipo-Chitooligosaccharides and Chitooligosaccharides in Laccaria bicolor Growth and Development

open access: yesFrontiers in Fungal Biology, 2022
The role of lipo-chitooligosaccharides (LCOs) as signaling molecules that mediate the establishment of symbiotic relationships between fungi and plants is being redefined.
Manuel I. Villalobos Solis   +14 more
doaj   +1 more source

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