完整的肠道屏障是维持肠道健康的先行和必要条件。乳铁蛋白因其具有多种生物活性而备受推崇。近年来，国内外大量研究报道了乳铁蛋白通过修复肠黏膜、调节免疫功能和肠道菌群等来维持肠道稳态。该研究主要对乳铁蛋白的生物学特性、乳铁蛋白对肠屏障的作用以及乳铁蛋白的应用进行了综述。

An intact intestinal barrier is a prerequisite for maintaining gut health. Lactoferrin is prized for its diverse biological activities. In recent years, numerous studies at home and abroad have reported that lactoferrin promotes intestinal homeostasis by repairing the intestinal mucosa, regulating immune functions, and modulating the intestinal flora. This study primarily reviews the biological characteristics of lactoferrin, its effect on the intestinal barrier, and its applications.

中国农业科学院科技创新工程（ASTIP-IAS12）；财政部和农业农村部：国家现代农业产业技术体系（CARS36）