Research at AfricaRice – Processing and Value Addition
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Africa Rice’s Perspectives on Processing and Value Addition
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Research at AfricaRice – Processing and Value Addition
- 1. Research at AfricaRice – Processing and Value Addition John Manful 22nd to 25th November 2011, Cotonou, Benin
- 2. Africa Rice’s Perspectives on Processing and Value Addition • Post harvest and value addition issues have been made a priority in the National Rice Development Strategies of many African countries. • Training programmes lined up for national scientists, extension workers, farmers, millers, parboilers and marketers.
- 3. On – going work
- 4. Grain quality evaluation • Basic support in grain quality evaluation to agronomy and breeding projects • Physico-chemical analysis carried out on 470 O. glaberrima varieties. • Another batch of 500 O. glaberrima samples have been prepared for analysis. • Starch structures and pasting properties as well as the glycemic indices will be determined for this batch.
- 5. Analyses and equipment available • Milling characteristics - Dehullers, polishers, grinders, broken separators • Physical properties Grain length - Statistic Rice Analyser Grain shape - Statistic Rice Analyser Chalkiness - Statistic Rice Analyser Grain colour - Minolta Chromameter Grain hardness - Kiya Hardness Tester
- 6. • Gelatinisation temperature - Alkali Spreading Value • Cooking properties • Pasting Characteristics - Rapid Visco Analyser • Textural properties - TA-XT Texture Analyser • Gel consistency • Amylose content - Amylose Auto Analyser
- 7. Mechanization - The following equipment for mechanization are being evaluated : - Planters - Row weeders - 4 different models of mini-combine harvesters.
- 9. By-product utilization Briquettes from rice bran and husks 2011 AfricaRice Science Week and GRiSP-Africa Science Forum
- 10. Critical Issues: - Shape - Compressive force - Binders (type and concentration)
- 12. Rice bran as substrate for edible mushroom cultivation
- 13. Compost bags Mushroom mycelium Compost bags Freshly inoculated prepared with compost mushroom bags spawn
- 14. Oyster mushrooms P. ostreatus strain EM-1 P. eous strain OT-3
- 15. Merci Thank you