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学科主题: 物理化学
题名: Microencapsulated probiotics using emulsification technique coupled with internal or external gelation process
作者: Song, Huiyi1, 3;  Yu, Weiting1;  Gao, Meng1, 3;  Liu, Xiudong2;  Ma, Xiaojun1
通讯作者: 于炜婷 ;  XiudongLiu
关键词: Alginate chitosan microcapsule ;  Emulsification/external gelation ;  Emulsification/internal gelation ;  Probiotics
刊名: CARBOHYDRATE POLYMERS
发表日期: 2013-07-01
DOI: 10.1016/j.carbpol.2013.03.068
卷: 96, 期:1, 页:181-189
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1802
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Applied ;  Chemistry, Organic ;  Polymer Science
研究领域[WOS]: Chemistry ;  Polymer Science
英文摘要: Alginate-chitosan microcapsules containing probiotics (Yeast, Y235) were prepared by emulsification/external gelation and emulsification/internal gelation techniques respectively. The gel beads by external gelation showed asymmetrical structure, but those by internal gelation showed symmetrical structure in morphology. The cell viability was approximately 80% for these two techniques. However, during cell culture process, emulsification/internal gelation microcapsules showed higher cell growth and lower cell leakage. Moreover, the survival rate of entrapped low density cells with culture (ELDCwc) increased obviously than that directly entrapped high density cells (dEHDC) and free cells when keeping in simulated gastrointestinal conditions. It indicated the growth process of cells in microcapsule was important and beneficial to keep enough active probiotics under harmful environment stress. Therefore, the emulsification/internal gelation technique was the preferred method for application in food or biotechnological industries. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: ALGINATE BEADS ;  ENCAPSULATION ;  MICROSPHERES ;  DELIVERY ;  CHITOSAN ;  MICROCAPSULES ;  CALCIUM ;  LACTIS ;  FOODS ;  HYDROCOLLOIDS
语种: 英语
WOS记录号: WOS:000320486000022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117618
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Biomed Mat Engn, Dalian 116023, Peoples R China
2.Dalian Univ, Coll Environm & Chem Engn, Dalian 116622, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Song, Huiyi,Yu, Weiting,Gao, Meng,et al. Microencapsulated probiotics using emulsification technique coupled with internal or external gelation process[J]. CARBOHYDRATE POLYMERS,2013,96(1):181-189.
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