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Formulation and characterization of esterified xylo-oligosaccharides-stabilized oil-in-water emulsions using microchannel emulsification

Udomrati, Sunsanee, Khalid, Nauman, Gohtani, Shoichi, Nakajima, Mitsutoshi, Uemura, Kunihiko and Kobayashi, Isao 2016, Formulation and characterization of esterified xylo-oligosaccharides-stabilized oil-in-water emulsions using microchannel emulsification, Colloids and surfaces b: biointerfaces, vol. 148, pp. 333-342, doi: 10.1016/j.colsurfb.2016.09.003.

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Title Formulation and characterization of esterified xylo-oligosaccharides-stabilized oil-in-water emulsions using microchannel emulsification
Author(s) Udomrati, Sunsanee
Khalid, Nauman
Gohtani, Shoichi
Nakajima, Mitsutoshi
Uemura, Kunihiko
Kobayashi, Isao
Journal name Colloids and surfaces b: biointerfaces
Volume number 148
Start page 333
End page 342
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-12-01
ISSN 0927-7765
1873-4367
Keyword(s) oil-in-water emulsion
xylo-oligosaccharide
fatty acid ester
microchannel emulsification
stability
Summary A series of amphiphilically esterified xylo-oligosaccharides (xylo esters) with different fatty acids residues – decanoic acid (C-10), lauric acid (C-12) and palmitic acid (C-16) – were enzymatically modified at 60 °C for 4 h. These xylo esters were used as emulsifiers to formulate oil-in-water (O/W) emulsions by microchannel emulsification (MCE). Grooved and straight-through MCE was used to investigate the droplet generation and/or emulsion stability. Xylo ester-stabilized oil droplets were generated smoothly from microchannels arranged linearly or two dimensionally, while xylo ester-stabilized emulsions were less monodispersed owing to low surface activity of the xylo esters. The combined use of xylo esters (2.5% (w/w)) and Tween series (0.1% (w/w)) in the continuous phase can improve the monodispersity of the resultant oil. Successful droplet generation was achieved with the straight-through MCE using 2.5% (w/w) xylo laurate and 0.1% (w/w) Tween 20. The optimized combination of xylo laurate and Tween 20 inhibited coalescence and oiling off more efficiently than the droplets solely stabilized by Tween 20 during 30 days of storage.
Language eng
DOI 10.1016/j.colsurfb.2016.09.003
Field of Research 030699 Physical Chemistry not elsewhere classified
0306 Physical Chemistry (Incl. Structural)
0903 Biomedical Engineering
0904 Chemical Engineering
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 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:30091376

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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