Popcorn is a type of flint corn. Kernels of these corns have hard outer shells and are starchy inside. Dry roasting these kernels in a specific way makes them pop up. Kernels are normally dried to a moisture level of approximately 13.5 %, which is most favorable moisture content for popping these corns up to 99%. Popcorn is obtained by popping up these kernels and is a familiar snack to most of the people. With demand for popcorn being so high, many types of machines are available, and they make popping corn very simple. People can purchase models to use at home or for commercial purposes. A popcorn machine contains a heating device that pops up corn. Each popcorn kernel contains a little amount of water inside a circle of starch, which is encircled by the hard outer surface of the kernel. On heating, this water usually expands and with corresponding pressure building against the starch, it then pushes through the hard surface, making the popcorn burst open. With this, the soft starch inside the kernel inflates and bursts turning the core inside out and the popcorn is popped out. Popcorn machines can be of various types and sizes. There is a large selection of popcorn machines for home use. They are comparatively smaller and simple to use. There are some popcorn machines that come with carts and are specially designed for mobile vendors or stationery ones to be used in shopping malls. It is wise to look for poppers, which have gone under scientific lab testing before making a choice. Certified popcorn machines are proven to pop popcorns up to 99% and also produce maximum volume of popcorn with minimal waste. It is also important to choose the right kind of popcorn machine if children are going to operate the popper. It is always advisable to look out for simple to follow directions and also choose a machine that is not too heavy for children to handle. Nearly all popcorn machine poppers are design to cook a kettle of kernels in about three and a half minutes. Time is usually counted from when the kettle is heated close to cooking temperature before loading the kettle. |