OAR@ICRISATProcessing and grain quality to meet market demandsUSinghauthorP CWilliamsauthorD SPettersonauthorConsiderable resources have been directed towards improving the nutritional quality of cool season food legumes with respect to protein content and amino acid pattern and to reducing the content of antinutritional factors such as trypsin inhibitors and haemaglutinins. Less attention has been paid to the processing and grain quality factors that affect the utilisation of these legumes. Two important market considerations are the dhal yield and consumer acceptance of the product. These are influenced by the size, shape, colour and, chemical composition of the grain, by storage conditions and any pre-treatment before use. The cooking time, texture, water absorption and dispersibility of solids are determinants of quality of these legumes as food. Under adverse storage conditions, the legumes can develop hard-to-cook defects, depending on genotype and cultural practices. Nutritional quality needs to be considered in terms of protein digestibility, antinutritional factors, availability of carbohydrates and content of essential micronutrients such as vitamin A, iron, copper and zinc. Available technologies such as roasting, steaming, germination, fermentation, and extrusion cooking, and protein isolation/concentration play a role in determining the product quality. These topics are reviewed and future research needs are suggested in the paperAgriculture-Farming, Production, Technology, Economics2000Kluwer Academic PublishersBook Section

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