The influence of crushing and roasting methods applied to soybean on the yield and quality of soybean oil extraction were investigated. The extraction yield increase to 86.43% in can of fine oilseed mill (0.25 – 0.30 mm) than 61.31% in ground oilseed mill case. A moderate condition of roasting (9% final humidity, 90°C final temperature of roasted soy) will give the best results in the terms of yield (94.68%) and quality of soybean oil (color index: 1.65; acidity index: 5.2; peroxide value: 0.6 mEq / kg) applied to fine the soybean mill.
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