The Construction of pH-Sensitive Starch-Based Carrier to Control the Delivery of Curcumin for Fish Preservation

文献类型： 外文期刊

第一作者： Guo, Xiaojia

作者： Guo, Xiaojia;Liu, Shujin;Yang, Lanyan;Zhao, Chaoguang;Shi, Liu;Xiong, Guangquan;Chen, Lang;Chen, Sheng;Wu, Wenjin;Wang, Lan;Liu, Shujin;Yang, Lanyan

作者机构：

关键词： pH-sensitive carrier; Carboxymethyl starch; Fish preservation

期刊名称：FOOD AND BIOPROCESS TECHNOLOGY （ 影响因子：5.6； 五年影响因子：5.8 ）

ISSN： 1935-5130

年卷期： 2024 年

页码：

收录情况： SCI

摘要： Controlled release of curcumin by a pH-sensitive carrier provides long-term preservation, which extends the shelf lives of fish. FTIR, XRD, 1H NMR, zeta potential, swelling ratio, and TG analyses indicated that a pH-sensitive starch-based carrier with a narrow pH-sensitivity range (pH 6-7) was fabricated from the carboxymethyl starch grafted with methacrylic acid and then cross-linked with beta-cyclodextrin to achieve dual functionality. FTIR, XRD, and fluorescence spectroscopy revealed that the mechanism by which curcumin was encapsulated in the starch-based carriers involved hydrophobic interactions and intermolecular hydrogen bonding. The encapsulated curcumin showed improved stability, higher antioxidant activity, antibacterial activity, and biocompatibility. The pH, TVB-N, TVC, and drip loss tests confirmed that the use of the carrier-curcumin complex at a concentration of 10 mg/mL for the preservation of yellow catfish extended the shelf life for 2-4 days during cold storage and improved the storage quality of the resulting fillets. This work provides a dual functionality strategy for constructing a pH-sensitive starch-based carrier to deliver curcumin and offers a promising choice for fish preservation.

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