Preparation method of deslanoside injection
A technology of acetyl lanatoin injection and deacetyl lanatoside, which is applied in the preparation of deacetyl lanatoin injection and in the field of drug preparation, which can solve problems such as excess and achieve the effects of reducing risks, simple methods, and improving quality
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Embodiment 1
[0036] Embodiment 1 prepares lanatoside injection:
[0037]
ingredients
per 10,000 ml
1
deacetyllanatoside
2.00g
2
ethanol (medicinal)
810g
3
Glycerin (for injection)
500g
4
Water for Injection
up to 10,000 ml
[0038] (1) Put 50% of the formula water for injection (38-40°C) into the liquid mixing tank.
[0039] (2) Add ethanol liquid into a stainless steel barrel, add water for injection to make a concentration of 70%, add deacetyllanatoside and stir until completely dissolved.
[0040] (3) Slowly add glycerin into the ethanol solution of lanatoside, and stir evenly.
[0041] (4) Add water for injection to the full amount.
[0042] (5) Turn on the mixer and stir for 20 minutes.
[0043] (6) The solution is circulated and filtered with a titanium filter, 0.45 μm, 0.2 μm microporous membrane cartridge filter.
[0044] (7) Adjust the pH value to the range of 5.5-6.5.
[0045] (8) Determin...
Embodiment 2
[0049] Example 2 Preparation of deacetyllanatoside injection
[0050] The composition and preparation method are the same as in Example 1, but the water temperature of the water for injection in step (1) is 35-37°C.
Embodiment 3
[0051] Example 3 Preparation of deacetyllanatoside injection
[0052] The composition and preparation are the same as in Example 1, but the water temperature of the water for injection is 40-42°C.
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