Puerarin injection and quality control method thereof
A technology of puerarin and injection, applied in the field of medicine, can solve problems such as fluctuation of test results
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Embodiment 1
[0039] Embodiment 1: prepare puerarin injection
[0040] formula:
[0041] Puerarin 50mg,
[0042] Propylene glycol 500 mg,
[0043] Water for injection, appropriate amount, added to 1ml.
[0044] Preparation method: add puerarin to propylene glycol, add about 200mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
Embodiment 2
[0045] Embodiment 2: preparation puerarin injection
[0046] formula:
[0047] Puerarin 25mg,
[0048] Propylene glycol 450mg,
[0049] Water for injection, appropriate amount, added to 1ml.
[0050] Preparation method: add puerarin to propylene glycol, add about 100mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
Embodiment 3
[0051] Embodiment 3: preparation puerarin injection
[0052] formula:
[0053] Puerarin 25mg,
[0054] Propylene glycol 550mg,
[0055] Water for injection, appropriate amount, added to 1ml.
[0056] Preparation method: add puerarin to propylene glycol, add about 100mg of water, ultrasonically dissolve puerarin, add water to the full amount, and obtain. The pH of the obtained injection is determined to be in the range of 3.5-5.5.
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