PYY serves several key functions in the body: - Appetite Regulation: PYY acts on the hypothalamus to reduce appetite and food intake, contributing to the feeling of satiety. - Slowing Gastric Emptying: It slows down the gastric emptying process, allowing for better nutrient absorption and digestion. - Inhibiting Pancreatic Secretion: PYY inhibits the secretion of pancreatic enzymes, thus playing a role in regulating digestive enzyme activity. - Regulating Intestinal Motility: It reduces intestinal motility, which helps in prolonging the contact time of nutrients with the absorptive surfaces of the intestine.
