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flour milling process
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milling

food processing
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flour milling process
flour milling process The flour milling process begins with cleaning the grain and tempering it by adding water. The tempered grain is ground in a series of rollermills to remove the bran and to cut the endosperm. Between each rollermill cycle, the ground grain is sifted and separated into various sizes. Middle-size material is sent to a purifier, or shaking sifter, and on to another set of rollermills for further reduction and sifting into a variety of flours and flour blends. These are then stored in large bins.

Milling is a food processing technique primarily involving the grinding of grains to make them easier to cook and consume. This process separates the edible endosperm from the outer coverings and germ.12

There are two main types of milling: dry and wet. The method chosen depends on the specific cereal and cultural eating habits. For instance, wheat is often milled using grinding stones or modern automated systems with steel cylinders, followed by sieving to separate the components. Corn, with its high germ content, is frequently processed using wet methods, though dry milling is also common, especially in developing countries. Modern milling involves preliminary cleaning and dampening of the grain before it passes through grooved steel cylinders to break it open. Subsequent steps use smooth cylinders to reduce the coarse meal into fine flour, with approximately 72 percent of the grain ultimately becoming flour.132

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6 Britannica Sources
  1. milling
  2. cereal processing - Milling
  3. cereal processing - Milling
  4. grain mill
  5. machine tool - Milling machines
  6. milling machine

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