阅读说明：本技术 用于基于聚合物的保质期延长的组合物和方法 (Compositions and methods for polymer-based shelf life extension ) 是由 A·M·贝伦斯 S·伊吉特 L·M·阿布-塔利布 N·S·哈拉杰 J·L·苏格曼 S·E· 于 2019-12-09 设计创作，主要内容包括：本公开涉及用于延长食物组合物的保存期的组合物、溶液和方法。例如,本公开涉及包含丝素蛋白的食物组合物或溶液。在某些实例中,组合物可以用丝素蛋白层包被。本公开内容还涉及制备食物组合物的方法。所述方法包括将丝素蛋白片段喷涂、浸涂或混合到食物组合物。(The present disclosure relates to compositions, solutions, and methods for extending the shelf life of food compositions. For example, the present disclosure relates to food compositions or solutions comprising silk fibroin. In certain examples, the composition can be coated with a silk fibroin layer. The present disclosure also relates to methods of preparing food compositions. The method comprises spraying, dipping, or mixing the silk fibroin fragments into a food composition.)