Production and characterization of multinuclear microcapsules encapsulating lavender oil by complex coacervation

The aim of this work was to encapsulate lavender oil by complex coacervation using gelatin and gum Arabic as encapsulants. The effects of various factors including pH value, the core/wall ratio, wall material concentration, stirring speed, cross‐linkers and homogenization rate on the appearance, mea...

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Published in:Flavour and fragrance journal 2014-05, Vol.29 (3), p.166-172
Main Authors: Xiao, Zuobing, Liu, Wanlong, Zhu, Guangyong, Zhou, Rujun, Niu, Yunwei
Format: Article
Language:English
Subjects:
complex coacervation
encapsulation
flavour
gelatin
glutaraldehyde
gum arabic
homogenization
Lavandula
lavender oil
microencapsulation
mixing
multinuclear microcapsule
oils
particle size
protein-glutamine gamma-glutamyltransferase
tannins
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cites cdi_FETCH-LOGICAL-c4262-76c0305244a3d2b5ad51222608d2a21cebf4bc6b9b7adf79d85d5cbc47567a003
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container_issue 3
container_start_page 166
container_title Flavour and fragrance journal
container_volume 29
creator Xiao, Zuobing
Liu, Wanlong
Zhu, Guangyong
Zhou, Rujun
Niu, Yunwei
description The aim of this work was to encapsulate lavender oil by complex coacervation using gelatin and gum Arabic as encapsulants. The effects of various factors including pH value, the core/wall ratio, wall material concentration, stirring speed, cross‐linkers and homogenization rate on the appearance, mean particle size, yield, loading capacity (LC) and encapsulation efficiency (EE) were investigated. The optimal conditions (pH 3.5, core/wall 3:2, wall material concentration 1%, stirring speed 450 rpm, homogenization rate 19 000 rpm and glutaraldehyde as cross‐linker) for preparing spherical multinuclear microcapsules were obtained. At the optimal conditions, the highest yield is 65.8 ± 1.0%; the maximum LC is 61.3 ± 0.7%; the highest EE is 66.0 ± 0.3%. The effect of three different cross‐linkers on the hardening effectiveness of multinuclear microcapsules containing lavender oil was investigated. Glutaraldehyde and transglutaminase exhibit similar microcapsule hardening effectiveness. When tannic acid was used instead of glutaraldehyde and transglutaminase, the mean particle size and EE remained the same as that when hardening with glutaraldehyde or transglutaminase, but the morphology obviously changes, while the yield and LC significantly decrease. Copyright © 2013 John Wiley & Sons, Ltd.
doi_str_mv 10.1002/ffj.3192
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When tannic acid was used instead of glutaraldehyde and transglutaminase, the mean particle size and EE remained the same as that when hardening with glutaraldehyde or transglutaminase, but the morphology obviously changes, while the yield and LC significantly decrease. Copyright © 2013 John Wiley &amp; Sons, Ltd.</abstract><pub>John Wiley &amp; Sons, Ltd</pub><doi>10.1002/ffj.3192</doi><tpages>7</tpages></addata></record>
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source Wiley-Blackwell Journals
subjects complex coacervation
encapsulation
flavour
gelatin
glutaraldehyde
gum arabic
homogenization
Lavandula
lavender oil
microencapsulation
mixing
multinuclear microcapsule
oils
particle size
protein-glutamine gamma-glutamyltransferase
tannins
title Production and characterization of multinuclear microcapsules encapsulating lavender oil by complex coacervation
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