Microwave popcorn

Microwave popcorn is a type of convenience food consisting of unpopped popcorn kernels packaged in a specialized paper bag designed for use in a microwave oven. The bag is typically lined with a heat-activated oil and flavoring agents that help the popcorn pop and provide taste.

History

The concept of microwave popcorn was developed in the late 20th century, coinciding with the rise of the microwave oven as a common household appliance. The first patent for a microwave popcorn bag was filed in the early 1980s, and the product quickly gained popularity due to its convenience and ease of use.

Composition

Microwave popcorn bags contain several key components:

• Popcorn kernels: The primary ingredient, these are a type of corn that expands and puffs up when heated.
• Oil: Typically a solid fat that melts when heated, aiding in the popping process and distributing flavor.
• Flavorings: These can include salt, butter flavor, and other seasonings to enhance taste.
• Bag: Made of a special paper that is safe for microwave use, often lined with a thin layer of metal to help distribute heat evenly.

Mechanism of Popping

File:Microwave popcorn bag.jpg

A typical microwave popcorn bag.

When the bag is placed in the microwave, the heat causes the moisture inside the popcorn kernels to turn into steam. As the steam builds up pressure, the kernel's hull eventually bursts, causing the starch inside to expand and cool rapidly, forming the familiar fluffy texture of popped popcorn.

Health Considerations

Microwave popcorn has been scrutinized for its health implications, particularly due to the presence of certain chemicals used in the flavoring and lining of the bags. Some brands have moved away from using diacetyl, a chemical linked to respiratory issues, in their butter flavoring.

Environmental Impact

The packaging of microwave popcorn can contribute to waste, as the bags are often not recyclable due to their mixed material composition. Efforts are being made to develop more environmentally friendly packaging options.

Preparation

To prepare microwave popcorn, the bag is placed in the microwave with the correct side facing up, as indicated on the packaging. The microwave is then set to a high setting, and the popcorn is cooked until the popping slows to about 2 seconds between pops. It is important to monitor the cooking time to prevent burning.

Popular Brands

Several brands dominate the microwave popcorn market, including Orville Redenbacher's, Pop Secret, and Act II. Each brand offers a variety of flavors and options, such as low-fat or organic versions.

Related pages

• Popcorn
• Microwave oven
• Snack food