Preparation and characterization of water-in-oil-in-water emulsions containing a high concentration of L-ascorbic acid Khalid, Nauman, Kobayashi, Isao, Neves, Marcos A., Uemura, Kunihiko and Nakajima, Mitsutoshi 2013, Preparation and characterization of water-in-oil-in-water emulsions containing a high concentration of L-ascorbic acid, Bioscience, biotechnology, and biochemistry, vol. 77, no. 6, pp. 1171-1178, doi: 10.1271/bbb.120870. Attached Files Name Description MIMEType Size Downloads Title Preparation and characterization of water-in-oil-in-water emulsions containing a high concentration of L-ascorbic acid Author(s) Khalid, Nauman orcid.org/0000-0002-8045-199X Kobayashi, Isao Neves, Marcos A. Uemura, Kunihiko Nakajima, Mitsutoshi Journal name Bioscience, biotechnology, and biochemistry Volume number 77 Issue number 6 Start page 1171 End page 1178 Total pages 8 Publisher Taylor & Francis Place of publication Abingdon, Eng. Publication date 2013 ISSN 1347-6947 Keyword(s) W/O/W emulsions L-ascorbic acid high concentration stability microstructure Summary This study sought to encapsulate a high concentration of L-ascorbic acid, up to 30% (w/v), in the inner aqueous phase of water-in-oil-water (W/O/W) emulsions with soybean oil as the oil phase. Two-step homogenization was conducted to prepare W/O/W emulsions stabilized by a hydrophobic emulsifier and 30% (v/v) of W/O droplets stabilized by a hydrophilic emulsifier. First-step homogenization prepared W/O emulsions with an average aqueous droplet diameter of 2.0 to 3.0 μm. Second-step homogenization prepared W/O/W emulsions with an average W/O droplet diameter of 14 to 18 μm and coefficients of variation (CVs) of 18% to 25%. The results indicated that stable W/O/W emulsions containing a high concentration of L-ascorbic acid were obtained by adding gelatin and magnesium sulfate in the inner aqueous phase and glucose in both aqueous phases. L-Ascorbic acid retention in the W/O/W emulsions was 40% on day 30 and followed first-order kinetics. Language eng DOI 10.1271/bbb.120870 Field of Research 090802 Food Engineering 0601 Biochemistry And Cell Biology 0703 Crop And Pasture Production Socio Economic Objective 860105 Nutraceuticals and Functional Foods HERDC Research category C1.1 Refereed article in a scholarly journal Copyright notice ©2013, Taylor & Francis Persistent URL http://hdl.handle.net/10536/DRO/DU:30086069 Document type: Journal Article Collections: Faculty of Science, Engineering and Built Environment School of Life and Environmental Sciences Related Links Link Description Connect to published version Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Versions Version Filter Type Fri, 09 Sep 2016, 14:44:26 EST Sat, 10 Sep 2016, 05:03:03 EST Fri, 30 Sep 2016, 06:09:39 EST Fri, 28 Oct 2016, 11:06:11 EST Fri, 28 Oct 2016, 11:15:38 EST Mon, 12 Mar 2018, 12:55:04 EST Filtered Full Citation counts:   Cited 16 times in TR Web of Science Cited 14 times in Scopus Search Google Scholar Access Statistics: 144 Abstract Views, 4 File Downloads  -  Detailed Statistics Created: Fri, 09 Sep 2016, 14:44:26 EST

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