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Base-free preparation of low molecular weight chitin from crab shell
Zhang, Jie1,4; Feng, Mi1,2; Lu, Xingmei1,2; Shi, Chunyan1; Li, Xiaoqian1,2; Xin, Jiayu1; Yue, Guikuan3; Zhang, Suojiang1,2
2018-06-15
发表期刊CARBOHYDRATE POLYMERS
ISSN0144-8617
卷号190页码:148-155
摘要Low molecular weight (LMW) chitin exhibits antimicrobial activity, and its preparation generally employs high molecular weight chitin as raw material. Here we use raw crab shell as material to isolate LMW-chitin. The raw crab shell was treated with hydrochloric acid under different conditions, and the demineralization and deproteinization of acid to the raw and demineralized crab shell were examined. Under conditions of 3-5 wt% acid, 110 degrees C, and 180-600 min, the obtained LMW-chitin owns 92% purity and 53-80 kDa molecular weight. The method provides feasible one-step base-free strategy to directly obtain LMW-chitin from raw crab shell, and could be potentially extended to other chitin sources.
关键词Chitin Deacetylation Low Molecular Weight Demineralization Deproteinization Acid Hydrolysis
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.carbpol.2018.02.019
收录类别SCI
语种英语
关键词[WOS]SHRIMP SHELLS ; CHITOSAN ; EXTRACTION ; FIBERS ; PLASMA ; PENS
WOS研究方向Chemistry ; Polymer Science
WOS类目Chemistry, Applied ; Chemistry, Organic ; Polymer Science
项目资助者National Natural Scientific Fund of China(21476234 ; 21506231 ; 21336002 ; 21210006)
WOS记录号WOS:000429425500017
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文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24149
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Key Lab Green Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Yuquan Rd, Beijing 100049, Peoples R China
3.Univ Texas El Paso, Dept Met Mat & Biomed Engn, 500 W Univ Ave, El Paso, TX 79968 USA
4.Beijing BW Techtext Co Ltd, Changan Ctr, Floor 11,Bldg 2,Block 26,Financial St, Beijing 100043, Peoples R China
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GB/T 7714
Zhang, Jie,Feng, Mi,Lu, Xingmei,et al. Base-free preparation of low molecular weight chitin from crab shell[J]. CARBOHYDRATE POLYMERS,2018,190:148-155.
APA Zhang, Jie.,Feng, Mi.,Lu, Xingmei.,Shi, Chunyan.,Li, Xiaoqian.,...&Zhang, Suojiang.(2018).Base-free preparation of low molecular weight chitin from crab shell.CARBOHYDRATE POLYMERS,190,148-155.
MLA Zhang, Jie,et al."Base-free preparation of low molecular weight chitin from crab shell".CARBOHYDRATE POLYMERS 190(2018):148-155.
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