Glutamine Peptides: Preparation, Analysis, Applications, and Their Role in Intestinal Barrier Protection.

Link/Page CitationAuthor(s): Jinyu Wang; Yating He; Zedan Liu; Xiaolan Liu; Yan Jing (corresponding author) [*]1. IntroductionThe intestinal tract is an important digestive and immune organ of the human body. The absorption of most nutrients and the excretion of food toxins depend on the intestinal tract, and a large number of immune cells are also distributed in the intestinal tract [1]. The intestinal barrier is an important basis for intestinal function, which can strictly control the exchange of substances between the host and the external environment [2,3]. Compromised barrier integrity not only impairs nutrient digestion and absorption but also weakens the body’s disease resistance, increasing susceptibility to pathogenic microorganisms and triggering various systemic diseases [4,5]. Therefore, protecting intestinal barrier function is essential for safeguarding intestinal health and reducing the incidence of intestinal and related systemic disorders.Clinically, enteral nutrition...