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AACC International Approved Methods -AACC Method 55-30.01. Particle Size Index for Wheat Hardness

AACC International Approved Methods

Physical Tests

AACCI Method 55-30.01
Particle Size Index for Wheat Hardness

VIEW METHOD

Objective
Wheat kernel texture has important implications for milling quality and for parameters such as damaged starch, water absorption, and gas production. This method determines relative hardness in all kinds of wheat through establishing the particle size index (PSI) by grinding and sieving. Data obtained on sieving is converted to relative hardness through use of a table.