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Improved dehydration performance of tofu protein by ionizing irradiation pretreatment

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Abstract

Food waste has a high utilization value, but its high moisture content brings more disadvantages to its storage, transportation and energy utilizations. Dehydration of food waste is conducive to subsequent treatment, and herein, the effects of ionizing radiation pretreatment on the dehydration performance of tofu protein waste were examined. The mechanical centrifugation dehydration, moisture distribution, bond energy (Hb), drying time, and drying rate indicated that ionizing radiation pretreatment significantly enhanced the supernatant volume, free water content, and drying rate, while reducing Hb and drying time. Moreover, the mechanism underlying the enhanced dehydration performance was discussed based on particle size analysis, Scanning electron microscope, UV–vis spectroscopy and pH value.

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Acknowledgement

This work was supported by the Fundamental Research Funds for the Central Universities (Grant No. NS2020040). The work was supported by the National Natural Science Foundation of China (Grant Nos. 51878611, 11405086). And this work was supported by a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD). We would like to thank Editage (www.editage.cn) for English language editing.

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Authors and Affiliations

  1. Department of Nuclear Science and Engineering, Nanjing University of Aeronautics and Astronautics, 211106, Nanjing, China

    Yongsheng Ling, Hongxiao Wang, Xionghui Fei, Qi Yue, Tian Huang, Qing Shan & Wenbao Jia

  2. Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, 215021, Suzhou, China

    Yongsheng Ling

  3. School of Environment Science & Engineering, Zhejiang Gongshang University, Hangzhou, 310012, China

    Ting Chen

  4. Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, Hangzhou, 310012, China

    Ting Chen

  5. Suzhou Guanrui Information Technology Co., Ltd, Suzhou, 215123, China

    Xiaojun Zhang

  6. School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, China

    Daqian Hei

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  1. Yongsheng Ling
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  2. Hongxiao Wang
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  3. Xionghui Fei
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  5. Tian Huang
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  7. Daqian Hei
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  8. Ting Chen
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  9. Xiaojun Zhang
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  10. Wenbao Jia
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Correspondence to Wenbao Jia.

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Ling, Y., Wang, H., Fei, X. et al. Improved dehydration performance of tofu protein by ionizing irradiation pretreatment. J Radioanal Nucl Chem 327, 575–583 (2021). https://doi.org/10.1007/s10967-020-07526-6

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  • DOI: https://doi.org/10.1007/s10967-020-07526-6

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