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Article Dans Une Revue International Journal of Molecular Sciences Année : 2022

Antibacterial Soy Protein Isolate Prepared by Quaternization

Résumé

Soy protein isolate (SPI) is green, high-yield natural plant protein, which is widely applied in industry (packing material and adhesives) and tissue engineering. It is meaningful to improve the antibacterial property of soy protein isolate to fabricate versatile safe products to meet people’s requirements. In this study, quaternized soy protein isolate (QSPI) was synthesized by the reaction between 2,3-epoxypropyltrimethylammonium chloride (EPTMAC) and SPI. The positive charged (17.8 ± 0.23 mV) quaternary ammonium groups endow the QSPI with superior antibacterial properties against multiple bacteria in vitro and in vivo. Notably, QSPI maintains its good biocompatibility and promotes bacterial-infected wound healing in rat models. Furthermore, QSPI possesses superior water solubility in a broad pH range than raw SPI. Altogether, this soy protein isolate derivative with antibacterial property and superior water solubility may extend the application of SPI in industry and tissue engineering.
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Dates et versions

hal-04505283 , version 1 (14-03-2024)

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Qi Dong, Jingwen Lei, Hanjian Wang, Meifang Ke, Xiao Liang, et al.. Antibacterial Soy Protein Isolate Prepared by Quaternization. International Journal of Molecular Sciences, 2022, 23 (16), pp.9110. ⟨10.3390/ijms23169110⟩. ⟨hal-04505283⟩
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