Starch (dietary carbohydrate substrate)

Starch is the primary complex carbohydrate consumed in the human diet, present in foods such as grains, potatoes, and legumes. During digestion, enzymes (notably α-amylase and α-glucosidase) break down starch into monosaccharides, primarily glucose, which is absorbed and metabolized to produce energy for cellular processes. Starch itself does not act as a drug target, but enzymes responsible for its digestion (e.g., α-amylase, α-glucosidase) can be inhibited by pharmaceuticals to modulate postprandial (after-eating) glucose levels, as in diabetes therapy[1][2][5]. Disorders of carbohydrate metabolism include genetically-inherited enzyme deficiencies that prevent adequate breakdown or utilization of starch-derived sugars, as well as acquired metabolic diseases such as diabetes[7]. Note: - This entry is considered incorrect as a therapeutic target, as dietary starch/carbohydrate substrate is not a molecular entity amenable to targeted drug action. - The actual medically relevant molecular targets are the enzymes or transporters responsible for starch digestion and carbohydrate absorption (e.g., α-amylase, α-glucosidase, SGLT1). - For structured data linking, use specific enzymes or transporters rather than "dietary carbohydrate substrate" when identifying therapeutic, diagnostic, or research targets.

Other names

Carbohydratedietary carbohydratedietary starchcomplex carbohydratepolysaccharide (starch)