International journal of

ADVANCED AND APPLIED SCIENCES

EISSN: 2313-3724, Print ISSN:2313-626X

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 Volume 6, Issue 10 (October 2019), Pages: 43-47

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 Original Research Paper

 Title: Atmospheric argon-plasma treatment of maltodextrin: Changes in structure and physico-chemical properties

 Author(s): Khanh Son Trinh 1, *, Thuy Linh Nguyen 2

 Affiliation(s):

 1Department of Food Technology, University of Technology and Education, Ho Chi Minh City, Vietnam
 2Department of Fishery Processing, Nong Lam University, Ho Chi Minh City, Vietnam

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 * Corresponding Author. 

  Corresponding author's ORCID profile: https://orcid.org/0000-0002-6365-2693

 Digital Object Identifier: 

 https://doi.org/10.21833/ijaas.2019.10.008

 Abstract:

Maltodextrin was modified using a dielectric barrier discharge (DBD) argon-plasma system. Under treatments, the color of maltodextrin samples was significantly changed and could be distinguished by human eyes; free acid content was 2.25-folded increased; DE value was 1.9-folded increased compared to untreated maltodextrin. The viscosity was strongly correlated to the treatment time. After modification, maltodextrin was depolymerized to reduce around 1.56-folded of its average molecular weight and degree of polymerization compared to untreated sample. The ratio of a-helix/amorphous structures was not dramatically changed. FTIR spectra showed that the depolymerization and cross-linking formation were processed at various level. A short time of treatment mainly resulted in the broken down of C-O-C bonds; whilst, new C-O-C linkage was created during a long time of treatment. 

 © 2019 The Authors. Published by IASE.

 This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

 Keywords: Argon-plasma, FTIR, Maltodextrin, Molecular weight, Viscosity

 Article History: Received 10 April 2019, Received in revised form 27 July 2019, Accepted 28 July 2019

 Acknowledgement:

No Acknowledgement.

 Compliance with ethical standards

 Conflict of interest:  The authors declare that they have no conflict of interest.

 Citation:

 Trinh KS and Nguyen TL (2019). Atmospheric argon-plasma treatment of maltodextrin: Changes in structure and physico-chemical properties. International Journal of Advanced and Applied Sciences, 6(10): 43-47

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 Figures

 Fig. 1 Fig. 2

 Tables

 Table 1 Table 2

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