Food composition and properties

Nutrition researchers studying food composition investigate how the structural and chemical properties of carbohydrates — particularly dietary fiber, starch, and whole grains — influence how the body processes and responds to food. The glycemic index, which measures how quickly a food raises blood glucose, and concepts like resistant starch, which escapes digestion in the small intestine and ferments in the colon, help explain why two foods with identical calorie counts can produce very different metabolic outcomes. Understanding these physicochemical properties has direct implications for managing conditions such as type 2 diabetes, obesity, and cardiovascular disease. Active research questions include how food processing alters the digestibility and fiber content of whole grains, and how individual variation in gut microbiota affects the health benefits a person actually derives from high-fiber diets.

Works

124,623

Total citations

2,365,345

Keywords

Dietary FiberGlycemic IndexStarchHealth BenefitsWhole GrainResistant Starch