Popcorn, a variety of corn (maize), the kernels of which,
when exposed to heat or microwaves, are exploded into large fluffy masses. ...
A popcorn kernel has an extremely hard hull and hard outer endosperm,
and within there is a mass of moist, starchy, white endosperm. The moisture is
optimally about 13.5 percent.
(Available Size 400g,800g)