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Silk protein: A novel antifungal and edible coating for strawberry preservation

文献类型： 外文期刊

作者： Wang, Yan 1 ; Wu, Weijie 1 ; Liu, Ruiling 1 ; Niu, Ben 1 ; Fang, Xiangjun 1 ; Chen, Hangjun 1 ; Farag, Mohamed A. 2 ; Wang, Li-Shu 3 ; Wang, Guannan 1 ; Yang, Hailong 4 ; Chen, Huizhi 1 ; Gao, Haiyan 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Food Sci Inst, Zhejiang Key Lab Intelligent Food Logist & Proc, Key Lab Postharvest Handling Fruits,Key Lab Postha, Hangzhou 310021, Peoples R China

2.Cairo Univ, Coll Pharm, Pharmacognosy Dept, Kasr El Aini St, Cairo 11562, Egypt

3.City Hope Natl Med Ctr, Comprehens Canc Ctr, Dept Hematol & Hematopoiet Cell Transplantat, Duarte, CA USA

4.Wenzhou Univ, Coll Life & Environm Sci, Wenzhou 325035, Peoples R China

关键词： Silk protease inhibitor; Silk fibroin; Degumming; Strawberry preservation; Active coating

期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）

ISSN： 0308-8146

年卷期： 2025 年 463 卷

页码：

收录情况： SCI

摘要： In this study, an antimicrobial component, silk protease inhibitors (SPIs), was extracted from discarded silkworm cocoons, and a suitable degumming method for obtaining regenerated silk fibroin (SF) was screened. An edible antimicrobial coating was prepared by mixing SPIs with SF for evaluation of potential in strawberries preservation. Results demonstrated that SPI could effectively inhibit mycelial growth and spore germination. The alkaline protease method exhibited the highest degumming rate of 24.4 %. The SPI-SF coating exhibited excellent mechanical properties, high water vapor permeability, and easy washability. Within 10 days, seedlings treatment with SPI-SF coating solution showed a germination rate of 94.3 %, and exhibited good biocompatibility with HepG2 cells. Coating with SPI-SF led to increase in the storage period of strawberries to 10-14 days, concurrent with considerable reduction in decay rate at room temperature. Conclusively, this study demonstrates the potential of SPI-SF edible coating in strawberries preservation.

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