كيف يتم "فرقعة" الفشار؟
Whether popcorn can be successfully “popped” out depends on the firmness of its skin, and whether it can effectively transfer external heat to the starch inside the grain. When the temperature rises, the moisture inside the kernels turns into steam and is gradually pushed toward the husk. When the pressure exceeds 200 degrees Celsius (400 degrees Fahrenheit), the husk bursts, and the starch and steam inside it expand and explode as the pressure inside and outside equalizes.
وجد العلماء أيضًا طريقة لمضاعفة حجم حبات الذرة التي تنفجر في النهاية. إذا استُخدمت مضخة تفريغ لتقليل ضغط الهواء داخل المضخة أثناء تسخين الحبات، فإنها عند انفجارها، قد تنفجر أكثر من المعتاد.
Today, popcorn also enjoys a healthy reputation. While you may think of popcorn as a sweet, salty, butter-filled snack reserved for special occasions like movies or carnivals, it’s actually a whole grain food, low in fat and salt before it’s seasoned.
Post time: أغسطس . 26, 2023 00:00