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    Physicochemical properties and conformations of water-soluble peach gums via different preparation methods

    Author
    Wei, Chaoyang; Zhang, Yu; Zhang, Hua; Li, Junhui; Tao, Wenyang; Linhardt, Robert J.; Chen, Shiguo; Ye, Xingqian
    ORCID
    https://orcid.org/0000-0003-2219-5833
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    Other Contributors
    Date Issued
    2019-10-01
    Subject
    Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
    Degree
    Terms of Use
    In Copyright : this Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). https://rightsstatements.org/page/InC/1.0/;
    Full Citation
    Physicochemical properties and conformations of water-soluble peach gums via different preparation methods, C. Wei, Y. Zhang, H. Zhang, J. Li, W. Tao, R. J. Linhardt, S. Chen, X. Ye, Food Hydrocolloids, 95, 571-579, 2019.
    Metadata
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    URI
    https://doi.org/10.1016/j.foodhyd.2018.03.049; https://hdl.handle.net/20.500.13015/5543
    Abstract
    Physicochemical properties and conformations of WEPG (water extracted peach gum), AEPG2.0 (alkali extracted peach gum, 2 M NaOH) and HPPG8 (H2O2 extracted peach gum, 8 h), prepared from the gum of Prunus persica Batsch, were investigated. The yields of WEPG, AEPG2.0 and HPPG8 were 77.25%, 82.60% and 83.34%, respectively. All of the three peach gums were arabinogalactan-type polysaccharides with similar chemical composition. Conformational analysis revealed that WEPG, AEPG2.0 and HPPG8 were macromolecules with compacted coil structures and their molecular weights of 1.34 × 107 g/mol, 1.64 × 107 g/mol and 5.17 × 106 g/mol, respectively. Rheological test showed that WEPG, AEPG2.0 and HPPG8 exhibited non-Newtonian behavior, and their apparent viscosities followed the order of AEPG2.0 > WEPG > HPPG8. Results also indicated that all of the three peach gums significantly (P < 0.05) enhanced the stability of whey protein isolate oil-water emulsions, and AEPG2.0 was the optimal gum extract showing no phase separation over 5 weeks, suggesting it could be used as an effective stabilizer in food emulsions and beverage industry.;
    Description
    Food Hydrocolloids, 95, 571-579; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
    Department
    The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
    Relationships
    The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Food Hydrocolloids; https://harc.rpi.edu/;
    Access
    https://login.libproxy.rpi.edu/login?url=https://doi.org/10.1016/j.foodhyd.2018.03.049;
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