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Microencapsulation of chia seed oil using chia seed protein isolate-chia seed gum complex coacervates

Timilsena, Yakindra Prasad, Adhikari, Raju, Barrow, Colin J. and Adhikari, Benu 2016, Microencapsulation of chia seed oil using chia seed protein isolate-chia seed gum complex coacervates, International journal of biological macromolecules, vol. 91, pp. 347-357, doi: 10.1016/j.ijbiomac.2016.05.058.

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Title Microencapsulation of chia seed oil using chia seed protein isolate-chia seed gum complex coacervates
Author(s) Timilsena, Yakindra Prasad
Adhikari, Raju
Barrow, Colin J.ORCID iD for Barrow, Colin J. orcid.org/0000-0002-2153-7267
Adhikari, Benu
Journal name International journal of biological macromolecules
Volume number 91
Start page 347
End page 357
Total pages 11
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-10
ISSN 0141-8130
1879-0003
Keyword(s) Chia seed gum
Chia seed oil
Chia seed protein isolate
Complex coacervation
Encapsulation efficiency
Oxidative stability
Summary Chia seed oil (CSO) microcapsules were produced by using chia seed protein isolate (CPI)-chia seed gum (CSG) complex coacervates aiming to enhance the oxidative stability of CSO. The effect of wall material composition, core-to-wall ratio and method of drying on the microencapsulation efficiency (MEE) and oxidative stability (OS) was studied The microcapsules produced using CPI-CSG complex coacervates as wall material had higher MEE at equivalent payload, lower surface oil and higher OS compared to the microcapsules produced by using CSG and CPI individually. CSO microcapsules produced by using CSG as wall material had lowest MEE (67.3%) and oxidative stability index (OSI=6.6h), whereas CPI-CSG complex coacervate microcapsules had the highest MEE (93.9%) and OSI (12.3h). The MEE and OSI of microcapsules produced by using CPI as wall materials were in between those produced by using CSG and CPI-CSG complex coacervates as wall materials. The CSO microcapsules produced by using CPI-CSG complex coacervate as shell matrix at core-to-wall ratio of 1:2 had 6 times longer storage life compared to that of unencapsulated CSO. The peroxide value of CSO microcapsule produced using CPI-CSG complex coacervate as wall material was <10meq O2/kg oil during 30 days of storage.
Language eng
DOI 10.1016/j.ijbiomac.2016.05.058
Field of Research 060101 Analytical Biochemistry
030302 Nanochemistry and Supramolecular Chemistry
090801 Food Chemistry and Molecular Gastronomy (excl Wine)
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085711

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Created: Mon, 10 Oct 2016, 10:24:52 EST

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