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题名:
Methoxy poly(ethylene glycol)-grafted-chitosan based microcapsules: Synthesis, characterization and properties as a potential hydrophilic wall material for stabilization and controlled release of algal oil
作者: Peng, Hailong1,2; Xiong, Hua1; Jinhua LI(李金花)3; Chen, LingXin(陈令新)3; Zhao, Qiang1
刊名: JOURNAL OF FOOD ENGINEERING
出版日期: 2010-11-01
卷号: 101, 期号:1, 页码:113-119
关键词: Methoxy poly(ethylene glycol) ; Chitosan ; Microcapsulation ; Algal oil ; Water soluble
学科分类: Engineering ; Chemical; Food Science & Technology
产权排序: [Peng, Hailong; Xiong, Hua; Zhao, Qiang] Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China; [Peng, Hailong] Nanchang Univ, Dept Chem & Pharmaceut Engn, Nanchang 330031, Jiangxi, Peoples R China; [Li, Jinhua; Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
通讯作者: Xiong, H, Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China
作者部门: 环境化学实验室 
中文摘要: Methoxy poly(ethylene glycol)-grafted-chitosan (mPEG-g-CS) was synthesized in an attempt to increase the water solubility of CS, and it was applied as wall material to microcapsulate algal oil (AO). Both Fourier transformed-infrared (FT-IR) spectra and solubility test confirmed that mPEG had been successfully grafted onto CS. The larger particles showed smooth surfaces, whereas smaller ones presented surface folds. The amount of free and total oil were 2.73 and 47.87 g/100 g, respectively, with high encapsulation efficiency of 94.30%. Fourteen fatty acids were detected in free algal oil (FAO) and microcapsulated algal oil (MAO), and the important fatty acids were preserved after microcapsulation. AO contained within microcapsules was protected from UV-light and heat compared with FAO. Release rate of AO was initially rapid and then followed by controlled release with the erosion mechanism playing a dominant role. The mPEG-g-CS proved to be a promising wall material with excellent solubility and film forming ability, and therefore supplied great potential applications in food industry. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
英文摘要: Methoxy poly(ethylene glycol)-grafted-chitosan (mPEG-g-CS) was synthesized in an attempt to increase the water solubility of CS, and it was applied as wall material to microcapsulate algal oil (AO). Both Fourier transformed-infrared (FT-IR) spectra and solubility test confirmed that mPEG had been successfully grafted onto CS. The larger particles showed smooth surfaces, whereas smaller ones presented surface folds. The amount of free and total oil were 2.73 and 47.87 g/100 g, respectively, with high encapsulation efficiency of 94.30%. Fourteen fatty acids were detected in free algal oil (FAO) and microcapsulated algal oil (MAO), and the important fatty acids were preserved after microcapsulation. AO contained within microcapsules was protected from UV-light and heat compared with FAO. Release rate of AO was initially rapid and then followed by controlled release with the erosion mechanism playing a dominant role. The mPEG-g-CS proved to be a promising wall material with excellent solubility and film forming ability, and therefore supplied great potential applications in food industry. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
研究领域[WOS]: Engineering ; Food Science & Technology
关键词[WOS]: SELF-AGGREGATED NANOPARTICLES ; FATTY-ACIDS ; MODIFIED CHITOSAN ; DRYING KINETICS ; FILMS ; DELIVERY ; QUALITY ; SURFACE ; CHITIN ; FISH
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000281212300015
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/3718
Appears in Collections:环境化学实验室_期刊论文

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作者单位: 1.Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China
2.Nanchang Univ, Dept Chem & Pharmaceut Engn, Nanchang 330031, Jiangxi, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China

Recommended Citation:
Peng, Hailong,Xiong, Hua,Li, Jinhua,et al. Methoxy poly(ethylene glycol)-grafted-chitosan based microcapsules: Synthesis, characterization and properties as a potential hydrophilic wall material for stabilization and controlled release of algal oil[J]. JOURNAL OF FOOD ENGINEERING,2010,101(1):113-119.
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