Hardness Tester - A Valuable Tool

Texture of cereal grains is an important defining quality attribute, facilitating their classification and also affects milling, processing and end-use quality.

Physical and mechanical properties of cereal grains are derived from their chemical composition and inner structure. These properties are affected by moisture, quantity and quality of proteins, starch and pentosans. The similar important factors are the size of cells and adhesion between the starch granules and the surrounding protein matrix1. The Brabender hardness tester is a versatile tool used for evaluating the quality of different grains like wheat, barley, rye, sorghum and corn. The instrument is used the Farinograph instead of a mixer measuring head to determine the degree of hardness. The measuring instrument consists essentially of the hardness and structure tester and the evaluation software.

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