Starches

Definition

Starches are complex carbohydrates composed of numerous glucose units linked together. They are a major source of energy found in foods like potatoes, rice, and corn.

5 Must Know Facts For Your Next Test

1. Starches are digested primarily in the small intestine by the enzyme amylase.
2. They provide a slower, more sustained release of glucose compared to simple sugars.
3. Excess starch intake can be converted into fat and stored in the body.
4. Resistant starches act similarly to fiber and help in maintaining gut health.
5. Cooking methods can affect the digestibility and nutritional value of starches.

Review Questions

• What enzyme is primarily responsible for the digestion of starches?
• How does the body store excess starch intake?
• What is one benefit of resistant starches?

Related terms

Glycogen:

A form of stored glucose found in liver and muscle tissues.

Amylase:

An enzyme that catalyzes the hydrolysis of starch into sugars.

Fiber:

Indigestible parts of plant foods that aid in digestion and nutrient absorption.