The Nutritional Value of Popcorn

Popcorn is a unique cereal grain that pops due to its structure and moisture content. It consists of the endosperm, germ, and pericarp. When heated, the moisture inside turns to steam, causing pressure that makes the kernel pop. Popcorn is a popular snack due to its nutritional value, offering low calories and fiber. Americans consume a significant amount annually, enjoying it plain or with added flavors.

How does the pericarp contribute to the popping of popcorn?

Discuss the popularity of popcorn as a snack in America.