Preparation of alginate complex capsules containing eucalyptus essential oil and its controlled release

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题名:	Preparation of alginate complex capsules containing eucalyptus essential oil and its controlled release
作者:	Chang C Dobashi T
贡献者:	紡工系
关键词:	capsule alginate complex eucalyptus oil controlled release
日期:	2003
上传时间:	2009-11-30 11:09:56 (UTC+8)
摘要:	Alginate complex capsules containing eucalyptus oil were prepared by the interfacial insolubilization reaction and its controlled release characteristics were examined. The capsule walls became substantially impermeable to eucalyptus oil by incubating the capsules at 37degreesC for 20 min, when the preparation parameters were above the critical values of 1.0 w/v% sodium alginate, 2.0 w/v% calcium chloride and 20 min of the cross-linking time. The maximum oil content in the capsules was 90-92% at this condition. The time course of the oil release from the closed capsules was measured as a function of crashing force. It was confirmed that holding the capsules between fingers could control the oil release. (C) 2003 Elsevier B.V. All rights reserved.
關聯:	COLLOIDS AND SURFACES B-BIOINTERFACES Volume: 32 Issue: 3 Pages: 257-262
显示于类别:	[紡織工程學系] 期刊論文

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