Process for preparing phosphatidylserine salts
A technology of phosphatidylserine salt and phosphatidylserine, which is applied in the field of preparation of phosphatidylserine salt, can solve the problems of increasing, affecting the content of phosphatidylserine, affecting the effect of alcohol removal of impurities, etc., to expand the application range, improve the effect of removing impurities, The effect of increasing the content of phosphatidylserine
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Embodiment 1
[0099] Add 200g of L-serine, 16g of calcium chloride and 600ml of purified water in 100g of soybean lecithin with a phosphatidylcholine content of 52%, at a constant temperature of 45°C, after stirring for one hour, add 10ml of phospholipase D solution, React at a constant temperature of 45° C. for four hours to obtain a mixture containing calcium salt of phosphatidylserine.
[0100] The mixture containing calcium salt of phosphatidylserine was centrifuged and the supernatant solid was removed.
[0101] Add 500ml of petroleum ether to the upper solid to completely dissolve the upper solid in petroleum ether, then add 300ml of isopropanol and 300ml of water, extract and vibrate, let stand to separate layers, let go of the lower aqueous phase solution, and obtain the first petroleum ether phase solution.
[0102] Add 300ml of an aqueous solution containing 30g of sodium sulfate to the petroleum ether phase solution, react at a temperature of 45°C for 1 hour, and take out the sec...
Embodiment 2
[0109] Add 200g of L-serine, 16g of calcium chloride and 600ml of purified water in 100g of soybean lecithin with a phosphatidylcholine content of 52%, at a constant temperature of 45°C, after stirring for one hour, add 10ml of phospholipase D solution, React at a constant temperature of 45° C. for four hours to obtain a mixture containing calcium salt of phosphatidylserine.
[0110] The mixture containing calcium salt of phosphatidylserine was centrifuged and the supernatant solid was removed.
[0111] Add 500ml of petroleum ether to the upper solid to completely dissolve the upper solid in petroleum ether, then add 300ml of isopropanol and 300ml of water, extract and vibrate, let stand to separate layers, let go of the lower aqueous phase solution, and obtain the first petroleum ether phase solution.
[0112] Add 300ml of an aqueous solution containing 30g of sodium sulfate to the petroleum ether phase solution, react at a temperature of 45°C for 1 hour, and take out the sec...
Embodiment 3
[0118] Add 200g of L-serine, 16g of calcium chloride and 600ml of purified water in 100g of soybean lecithin with a phosphatidylcholine content of 52%, at a constant temperature of 45°C, after stirring for one hour, add 10ml of phospholipase D solution, React at a constant temperature of 45° C. for four hours to obtain a mixture containing calcium salt of phosphatidylserine.
[0119] The mixture containing calcium salt of phosphatidylserine was centrifuged and the supernatant solid was removed.
[0120] Add 500ml of petroleum ether to the upper solid to completely dissolve the upper solid in petroleum ether, then add 300ml of isopropanol and 300ml of water, extract and vibrate, let stand to separate layers, let go of the lower aqueous phase solution, and obtain the first petroleum ether phase solution.
[0121] Add 300ml of an aqueous solution containing 30g of sodium sulfate to the petroleum ether phase solution, react at a temperature of 45°C for 1 hour, and take out the sec...
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