Overview of Popcorn Kernels
Popcorn kernels refer to small yellow seed-like structures enclosed in hard shells that pop when exposed to heat. They’re a maize variety called ‘Zea mays everta’. Quality popcorn kernels share specific attributes that determine their quality rating: moisture content, shape, size, and age. Ideal popcorn kernels have 13-14% moisture. This moisture turns to steam, building pressure within the kernel until the hard outer shell bursts. Releasing steam gives popcorn its light, airy texture.
Varieties and Popping Characteristics
Butterfly and mushroom shaped kernels affect texture and taste. Small kernels result in smaller, crispier pieces. Medium kernels are versatile, striking a balance between tenderness and fullness. Large robust kernels handle higher heat without burning, producing bigger popped pieces.
Tips for Popping Popcorn
To maximize popping, store kernels properly in a cool, dry place to prevent spoilage. When cooking, use the optimal vessel and temperature – around 355°F – allowing steam to build slowly. Letting steam escape too quickly by opening the lid early can produce chewy pieces. As kernels pop, continue listening for the popping sound to slow before removing from heat.