alexa Grain hardness: a major determinant of wheat quality.
Nutrition

Nutrition

Journal of Food Processing & Technology

Author(s): Pasha I, Anjum FM, Morris CF

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Abstract Wheat quality, a complex term, depends upon intentional use for unambiguous products. The foremost determinants of wheat quality are endosperm texture (grain hardness), protein content and gluten strength. Endosperm texture in wheat is the single most important and defining quality characteristic, as it facilitates wheat classification and affects milling, baking and end-use quality. Various techniques used for grain hardness measurement are classified into diverse groups according to grinding, crushing and abrasion. The most extensively used methods for texture measurement are PSI, NIR hardness, SKCS, pearling index, SDS-PAGE and PCR markers. Friabilin is a 15 kDa endosperm specific protein associated with starch granules of wheat grain and is unswervingly related to grain softness. Chemically, it is a concoction of different polypeptides, primarily puroindolines; Pin a and Pin b. Hardness (Ha) locus of chromosome 5DS makes the distinction between soft and hard classes of wheat. Some additional modifying genes are also present which contribute to the disparity within wheat classes. Numerous allelic mutations in Pin have been reported and their relation to end product quality has been established. This treatise elaborates the consequence of grain hardness in wheat eminence. This article was published in Food Sci Technol Int and referenced in Journal of Food Processing & Technology

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