Method for increasing yield of medical sodium hyaluronate refined product
A technology for sodium hyaluronate and refined products is applied in the field of improving the yield of medical sodium hyaluronate refined products, which can solve the problems of difficult filtration of ethanol, thick sediment, and reduced yield, etc., so as to improve the yield and quality. , The effect of short drying time and improved yield
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[0017] Example 1
[0018] Comparative process: 100L of filtered complex solution was added with 2 times the amount of 95% ethanol, after stirring, filtering, washing, and vacuum drying, a refined medical sodium hyaluronate product was prepared.
[0019] The present invention: add 2 times the amount of 95% ethanol to 100L of the filtered complex solution, after stirring to stand still, drain 100L of the supernatant, then add 100L of 95% ethanol, and then stir, stand still, filter, wash and vacuum dry Afterwards, a dry powder of medical sodium hyaluronate refined products is prepared.
Example Embodiment
[0020] Example 2
[0021] Comparative process: 100L of filtered complex solution was added with 2 times the amount of 95% ethanol, after stirring, filtering, washing, and vacuum drying, a refined medical sodium hyaluronate product was prepared.
[0022] The present invention: add 2 times the amount of 95% ethanol to 100L of filtered complex solution, after stirring and standing still, draining 150L of supernatant, then adding 100L of 95% ethanol, after stirring, standing still, filtering, washing and vacuum drying Afterwards, a dry powder of medical sodium hyaluronate refined products is prepared.
Example Embodiment
[0023] Example 3
[0024] Comparative process: 200L of filtered complex solution was added with 2 times the amount of 95% ethanol, after stirring, filtering, washing, and vacuum drying, a refined medical sodium hyaluronate was prepared.
[0025] The present invention: add 2 times the amount of 95% ethanol to 200L of the filtered complex solution, after stirring to stand still, drain 200L of the supernatant, then add 200L of 95% ethanol, after stirring, standing still, filtering, washing and vacuum drying Afterwards, a dry powder of medical sodium hyaluronate refined products is prepared.
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