WHEAT
An ingredient
used in many foods, flour is a fine powder made from cereals or other starchy
food sources. It is most commonly made from wheat, but also maize (corn) rye,
barley and rice. Flour is always based on the presence of starches which are
complex carbohydrates.
Whereas wheat is widely used
because of an important property: when wheat flour is mixed with water, a
complex protein called gluten develops. The gluten is what gives wheat dough an
elastic structure that allows it to be worked in variety of ways, allows
retention of gas bubbles in an intact structure, resulting in a sponge-like
texture to the final products, such as breads, cakes, pastries, and other packed
products.
Usually the
word flour alone refers to wheat flour, which is one of the most
important foods today. It is produced by milling wheat.
Regular flour is produced from
the central part of wheat kernel. The bran layer is removed by sieving during
the milling process. The colour of the flour is creamy white to white depending
on the variety of wheat used.
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