Plants store energy as long glucose chains. Digestion snips them back into glucose for fuel.
How it works, step by step
Salivary amylase starts cutting starch.
Pancreatic amylase continues in the small intestine.
Brush-border enzymes release glucose.
Glucose is absorbed into blood.
What does Starch do?
Main source of glucose for most of the world.
Which foods contain Starch?
Grains, potatoes, rice, legumes, green bananas.
Evidence & sources
Starch is digested by amylase enzymes into glucose. Evidence: established. Known: Foundational biochemistry. Unknown: — Source: NIH NIDDK, Your Digestive System & How It Works (Current revision).