Milling
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What invention enabled flour milling to be done on the industrial scale rather than having to be done locally?
Roller mill
What were the two technical developments that have contributed most to the UK becoming largely self-sufficient in breadmaking wheat since the Second World War and how did they do it?
The Chorleywood Bread Process enabled bread to be made with flour containing 1% less protein Semi-dwarf wheat is a shorter plant with a stronger stalk, which will not fall over in the wind or if the grain head gets heavy. This increased the yield of wheat
What factors related to land use make food security an issue today?
Increased demand for food from growing economies Increased use of land for growing fuel crops, crops that will not be directly eaten
What are the objectives of milling?
• To separate bran and germ from the endosperm • To reduce the particle size to that of flour • To sell as much of the grain as possible as flour
What do these 3 types of milling equipment do? • Sifter • Roller Mill • Purifier
• Separates into different particle sizes. • Reduces particle size. • Separates by particle density and shape.
When the output from a roller mill is sieved what do the largest particles consist of and what do the smallest particles consist of?
• Largest = bran * Smallest = endosperm
The output from a purifier that is bran with endosperm attached goes to what sort of milling equipment next?
Roller mills