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Nuclear and related techniques in the improvement of traditional fermentation processing of cassava

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by: International Atomic Energy Agency, Vienna (Austria)

Source/Report: Oct 1990; 149 p; IAEA-TECDOC–571

Publ. Year: 1990

Cassava, a starchy, cyanide-containing tuber root grown throughout the tropical areas, is one of the world’s important food staples. The cassava root is very low in protein: its typical content for many cultivars is around one or two percent and thus is completely unable to provide the consumer with sufficient protein. The main goal of the Agency’s Co-ordinated Research Programme (CRP) on ”Nuclear Techniques in the Improvement of Traditional Fermentation Practice in Developing Countries with Particular Emphasis on Cassava” was to assist researchers from the tropical countries in the development of the techniques utilizing ionizing radiation for producing genetically improved mutants of the cassava-fermenting microorganisms with high abilities to eliminate poisonous glucosides and to increase the yield of desired nutrients to the fermented end-product. This document consists of fourteen final reports submitted by the scientists concerned to the final RCM as well as discussion materials covering main approaches to the problem of the improvement of traditional reprocessing of cassava, such as general microbiological aspects of the fermentation process and the genetic improvement of the selected specific microorganisms with the help of classical microbial mutagenesis methods and modern molecular gene-engineering techniques and tools. Refs, figs and tabs

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