Transcription of Oil Extraction - Rivendell Village
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Oil Extraction - Rivendell Village
OIL Extraction Oil is extracted from several seeds, nuts and fruits (Table 1 provides some common examples) for use in cooking and soapmaking1, cosmetics, detergents, or as an ingredient in other foods such as baked or fried goods. Moisture content (%) Oil/fat content (%) Seeds and beans Cotton Rape Mustard Sesame Sunflower Safflower 5 9 7 5 5 5 15-25 40-45 25-45 25-50 25-50 30 Nuts Coconut (fresh) Copra Groundnut (shelled) Palm kernel nuts (shelled) Shea nut Shea nut 40-50 3 4 - - - - 35-40 64-70 28-55 - 46-57 34-44 - Fruits Oil palm Avocado Olive - 69 50-70 56 11-28 - Table 1: Sources of oil. Raw material preparation Oilseeds and nuts should be properly dried before storage, and cleaned to remove sand, dust, leaves and other contaminants.
Oil extraction Practical Action Some seeds (especially groundnuts for example) are conditioned by heating to 80-90oC using a seed scorcher (Figure 2 shows a typical small-scale example – …
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