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Effect of pre-printing gelatinization degree on the structure and digestibility of hot-extrusion 3D-printed starch
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Zheng, Bo, Tang, Yukuo, Xie, Fengwei and Chen, Ling (2022) Effect of pre-printing gelatinization degree on the structure and digestibility of hot-extrusion 3D-printed starch. Food Hydrocolloids, 124 (Part A). 107210. doi:10.1016/j.foodhyd.2021.107210
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WRAP-effect-pre-printing-gelatinization-degree-structure-digestibility-hot-extrusion-3D-printed-starch-Xie-2022.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only until 23 September 2022. Contact author directly, specifying your specific needs. - Requires a PDF viewer. Available under License Creative Commons: Attribution-Noncommercial-Share Alike 4.0. Download (2415Kb) |
Official URL: http://dx.doi.org/10.1016/j.foodhyd.2021.107210
Abstract
Hot-extrusion 3D printing (HE-3DP) is an emerging technique to create customized food with desired structure and properties. This research is focused on the effect of pre-printing gelatinization degree on the structure and digestibility of rice and wheat starch gels after HE-3DP. The results show that the lamellar, crystalline and helical structures were destroyed, the compactness of nano-aggregates formed decreased significantly, the content of semi-bound water in the gel system increased, and the content of bound water decreased, and these changes were more significant with an increasing gelatinization degree. Interestingly, the ideal printability and digestion resistance of the printed materials could be obtained with the pre-printing gelatinization degrees of rice and wheat starches being 50% and 40%, respectively. Overall, the pre-printing gelatinization degree has been found to be an important factor in regulating the printability and digestibility of starch during HE-3DP.
Item Type: | Journal Article | ||||||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TJ Mechanical engineering and machinery T Technology > TP Chemical technology T Technology > TS Manufactures |
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Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||
Library of Congress Subject Headings (LCSH): | Three-dimensional printing -- Materials, Extrusion process, Starch -- Extrusion, Gelation , Starch , Starch industry | ||||||||||||
Journal or Publication Title: | Food Hydrocolloids | ||||||||||||
Publisher: | Elsevier | ||||||||||||
ISSN: | 0268-005X | ||||||||||||
Official Date: | March 2022 | ||||||||||||
Dates: |
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Volume: | 124 | ||||||||||||
Number: | Part A | ||||||||||||
Article Number: | 107210 | ||||||||||||
DOI: | 10.1016/j.foodhyd.2021.107210 | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
RIOXX Funder/Project Grant: |
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