Cassava. Composition. Toxicity and its detoxification. Processing. of cassava tubers. Gari. Peeling of cassava tubers. Resping or pulping. Fermentation and pressing of cassava pulp. Drying-roasting process. Farinha de mandioca and cassava bread. Cassava rice. Chips and pellets. Cassava chips. Drying of cassava chips. Cassava pellets. Baked cassava products. Cassava starch. Cassava flour. Cassava alchool. Cocoa. physical characteristics of cocoa. compositioon of the cocoa bean. Harvesting and pod breaking. Fermentation of cocoa beans. Drying of cocoa beans. Cocoa powder and chocolate production. Storage. Coconut. Uses of the coconut palm. structure of the coconut fruit. Wet processing of coconut. Composition and chemical and physical properties of coconut oil. Tapping ot the coconut palm. Keeping qualities of copra. Coconut milk extraction. Coconut water. Extracting protein from copra. Use of the coconut husk. Utilization of coconut shell. Desiccated coconut. Classification of coffee. chemical composition and some of the physical properties of the coffee bean. processing of coffee. Processing of coffee by th dry method. Drying and parchment coffee. Roasting of coffee. Uses of groundnut. composition and nutritive and value of groundnut kernels . Storage of groundnuts. Harvesting and shelling of groundnuts. Crushing groundnuts for oil. processing groundnuts into groundnut butter. preparation of salted groundnuts. effect of processing on nutritive value of groundnuts. Classification and production of oil palm. Composition of palm oil and palm kernel oil . Basic principles for processing of oil palm fruit. Traditional methods of extraction of palm oil. improved methods of extraction of palm oil Hand-operated and engine-driven presses. Extraction of pal kernel oil. The quality of palm oil and kernels. palm wine production. Main utilization of maize. Composition of maize. Processing of maize. Maize oil. Corn flakes. Main utilization of sorghum and millet. Chemical composition. Structure and physical properties of sorghum and millet. Traditional milling. Processing of sorghum for starch. Use of composites of sorghum or millet flour in bread making. Malting and brewing of sorghum and millet. Sweet sorghum juice. Uses of soya beans. Chemical composition of soya beans. processing of soya beans into various traditional products. Composition of some fermented and non-fermented soya bean foods. Simulated milk from soya beans. Soya oil and its production. Soya flour. Main use of yams. Composition of yam tubers. Storage of yams. Traditional methods of preparation for food. Yam flour Instant yam flakes. toxic substance in yam their use as raw material.