Abstract
In this study simultaneous degumming and deacidification of edible oils were done by tetrabutylphosphonium phosphate IL. Under the optimized extraction conditions of soybean oil (3 mass% IL, 60 °C and 20 min), canola oil (2 mass% IL, 60 °C and 20 min) and sunflower oil (1.5 mass% IL, 50 °C, 15 min), the content of free fatty acid (FFA) and phosphorus reached 0.18% and 3.5 mg/kg; 0.12% and 3.8 mg/kg; and 0.17% and 3.5 mg/kg, respectively. In this work, soap stock and water washing stage were eliminated and no waste water, which pollutes the environment, was produced.
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