Preparation method of food grade concentrated rape phospholipid
A food-grade, rapeseed technology, applied in the field of oil and fat engineering, achieves the effects of high extraction rate, convenient operation, and increased economic added value
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Embodiment 1
[0024] Rapeseed oil hydration and dephosphorization oil bottoms are used as raw materials, heat preservation and dehydration at 45°C under vacuum until the water content of rapeseed oil hydration oil bottoms is about 5%, and food-grade H 2 o 2 , the addition amount is 3.0% of the mass of rapeseed oil hydration oil, and it is stirred at 40° C. for 40 minutes to achieve a light yellow color. Dehydration at 45°C under vacuum until the water content of the rapeseed oil hydration oil bottom is below 2.0%. Add acetone with 1.8 times the mass of dehydrated rapeseed oil hydration oil, keep stirring at 60°C for 1 hour, let stand to separate and remove the acetone phase, then add No. 6 solvent oil with 1.2 times the mass of dehydrated rapeseed oil hydration oil, 70 ℃ heat preservation and stirring for 45 minutes, let stand to separate the layers, separate the solid and liquid two phases, recover the No. 6 solvent oil layer at 70 ℃ under vacuum, and obtain the food-grade concentrated ra...
Embodiment 2
[0026] Rapeseed oil hydration and dephosphorization oil bottoms are used as raw materials, heat preservation and dehydration at 55°C under vacuum until the water content of rapeseed oil hydration oil bottoms is about 5%, and food-grade H 2 o 2 , the addition amount is 2.5% of the mass of the rapeseed oil hydration oil, and it is stirred at 45° C. for 40 minutes to achieve a light yellow color. Dehydration at 55°C under vacuum until the water content of the rapeseed oil hydration oil bottom is below 2.0%. Add acetone 2.0 times the mass of dehydrated rapeseed oil hydration oil, keep stirring at 55°C for 1 hour, let stand to separate and remove the acetone phase, then add No. 6 solvent oil 1.0 times the mass of dehydrated rapeseed oil hydration oil, 70 ℃ heat preservation and stirring for 1 hour, let stand to separate the layers, separate the solid-liquid two phases, put the No. 6 solvent oil layer under vacuum at 70 ℃ to recover the No. 6 solvent oil in the liquid phase, and ob...
Embodiment 3
[0028] Rapeseed oil hydration and dephosphorization oil bottoms are used as raw materials, heat preservation and dehydration at 55°C under vacuum until the water content of rapeseed oil hydration oil bottoms is about 5%, and food-grade H 2 o 2 , the addition amount is 3.5% of the mass of rapeseed oil hydration oil, and it is stirred at 40°C for 30 minutes to achieve a light yellow color. Dehydration at 45°C under vacuum until the water content of the rapeseed oil hydration oil bottom is below 2.0%. Add acetone 2.0 times the mass of dehydrated rapeseed oil hydration oil, keep stirring at 60°C for 45 minutes, let stand to separate and remove the acetone phase, then add No. 6 solvent oil 1.2 times the mass of dehydrated rapeseed oil hydration oil, 65 ℃ heat preservation and stirring for 45 minutes, let stand to separate the layers, separate the solid and liquid two phases, recover the No. 6 solvent oil layer at 70 ℃ under vacuum, and obtain the food-grade concentrated rapeseed p...
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