Process for refining phospholipid
A process and technology of phospholipids, applied in the field of phospholipid refining process, can solve the problems of poor transparency of concentrated phospholipid products, high impurity content of phospholipid products, deep color of phospholipid products, etc., to achieve easy large-scale production, low equipment requirements, and high product quality good quality effect
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Embodiment 1
[0033] Example 1: Select 5,400 tons of soybeans that have passed the post-ripening period, with an oil content of 19%, an impurity content of 0.5%, a water content of 13%, cotyledon discolored kernels of 5%, and a total of 10% of imperfect kernels, including 2% of moldy kernels , the color and smell are normal. After cleaning processes such as dust removal, impurity removal, stone removal, side-by-side mud removal, and iron removal, the soybeans are dehulled. The peeling temperature is 80°C, and the peeling rate is 90%. The dehulled soybeans are crushed and billeted, and the thickness of the billets after billeting is 0.25-0.35mm, and the water content of the billets is 11%. The flakes are then sent to an extractor. It is extracted with industrial hexane, and the extraction temperature is 55°C. After extraction, a mixed liquid of crude oil and hexane is obtained, commonly known as mixed oil in the industry. The mixed oil evaporation adopts secondary evaporation, the temper...
Embodiment 2
[0034] Embodiment 2: Select 100 tons of rapeseeds through the post-ripening stage, with an oil content of 38%, an impurity content of 1%, a water content of 7%, and a normal color and smell. After cleaning processes such as impurity removal, stone removal, iron removal, etc., the rapeseeds are rolled into flakes with a thickness of 0.25-0.35mm, steamed and fried, pre-pressed, and rapeseed pre-pressed crude oil is collected. The pre-pressed rapeseed is extracted with industrial hexane at a temperature of 55°C. A mixed oil is obtained after extraction. The mixed oil evaporation adopts secondary evaporation, the temperature is controlled at 58°C-60°C during the first evaporation, the concentration of the mixed oil is controlled at 38-42%, the temperature is controlled at 100-105°C during the second evaporation, and the concentration of the mixed oil is controlled at 96-99% %, the evaporation vacuum is controlled at an absolute pressure of 0.02-0.04MPa. In this way, rapeseed cru...
Embodiment 3
[0038] Embodiment 3: Take 10 tons of commercially purchased peanut crude oil, after analysis, the phospholipid content in the crude oil is 1%. Raise the temperature to 60°C, and add 0.1 ton of purified water evenly. After fully and uniformly mixing, flocculate the phospholipid and water for 4 hours. Then after static separation, the lower layer is hydrated phospholipids, about 185 kg in total. After analysis, the raw material components of the hydrated phospholipids are: water 54.00%, acetone insoluble matter 29.30%, oil content 16.50%, ether insoluble matter 0.20%.
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