Egg yolk lecithin and preparation method thereof
A technology of egg yolk lecithin and egg yolk, which is applied in the field of medicine, can solve the problems of unsatisfactory purity of egg yolk lecithin, strict requirements for medical use, and high toxicity of methanol solvent, and achieves the advantages of easy industrialized large-scale production, high transfer rate, and low extraction cost Effect
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Embodiment 1
[0017] The preparation of embodiment 1 egg yolk lecithin
[0018] 380Kg refined egg yolk (wet powder) was extracted five times:
[0019] Weigh 380 kg of refined egg yolk (wet powder) and add 950 L of absolute ethanol to homogenize for 30 minutes, centrifuge after homogenization, collect the extract, keep the filter cake and repeat the extraction four times, and combine the collected extract;
[0020] Add neutral alumina to the filtered extract in the ratio of refined egg yolk (wet powder): neutral alumina=1kg:0.5kg, centrifuge and collect the centrifugate after homogenizing for 50 minutes to obtain the adsorption solution;
[0021] Add activated carbon for injection to the absorption liquid according to the ratio of refined egg yolk (wet powder): active carbon for injection=1Kg:0.01Kg, homogenate and centrifuge for 50min to obtain decolorized liquid;
[0022] Inhale the decolorized solution into a concentrator for vacuum concentration to obtain a concentrated solution; filter...
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