Pubblicazione scientifica

Homogeneous Synthesis of Cationic Chitosan via New Avenue

FILONE TECNOLOGICO	TEMA
produzione e raccolta

RIASSUNTO

Using a solvent formed of alkali and urea, chitosan was successfully dissolved in a new solvent via the freezing–thawing process. Subsequently, quaternized chitosan (QC) was synthesized using 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC) as the cationic reagent under different incubation times and temperatures in a homogeneous system. QCs cannot be synthesized at temperatures above 60 °C, as gel formation will occur. The structure and properties of the prepared QC were characterized and quaternary groups were comfirmed to be successfully incorporated onto chitosan backbones. The degree of substitution (DS) ranged from 16.5% to 46.8% and the yields ranged from 32.6% to 89.7%, which can be adjusted by changing the molar ratio of the chitosan unit to CHPTAC and the reaction time. QCs inhibits the growth of Alicyclobacillus acidoterrestris effectively. Thus, this work offers a simple and green method of functionalizing chitosan and producing quaternized chitosan with an antibacterial effect for potential applications in the food industry.

DATA

Data di pubblicazione: 01/08/2018

AUTORI

SONG HUANLU
WU HAO
LI SHUJING
TIAN HUAFENG
LI YANRU
WANG JIANGUO

ENTE DI AFFERENZA

BEIJING ADV INNOV CTR FOOD NUTRITION & HUMAN HEALTH BEIJING TECH & BUSINESS UNIV BTBU BEIJING 100048 CHINA SONGHL TH BTBU EDU CN
COLLEGE OF FOOD SCIENCE & ENG NORTHWEST A & F UNIV YANGLING 712100 SHAANXI CHINA WUHAO2017 126 COM HW 15271879994 163 COM YL
BEIJING KEY LAB

RIVISTA

Molecules : A Journal of Synthetic Chemistry and Natural Product Chemistry, 23(8), 1921

IMPACT FACTOR

3,010

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