Hypericum japonicum total flavone powder injection and preparing method thereof
A technology of total flavonoid powder injection and Tianjihuang, which is applied in powder transportation, antiviral agents, pharmaceutical formulations, etc., can solve the problems of inconvenient use and easy freezing, and achieve the effects of convenient transportation, long storage period and stable quality
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Embodiment 1
[0064] Refer to [WS-10078(ZD-0078)-2002] method to prepare field base total flavonoid concentrate, add ascorbic acid or cysteine and low molecular dextran or glucose or chloride to the above concentrate in the workshop below 100 grades One or two kinds of sodium, the total amount of pharmaceutical excipients is 10% of the total flavonoids in the solution, fully dissolved at 40-80°C, and the pH is adjusted to 6.5-7.0, and the solution is sterile ultrafiltered to obtain clarity Medicinal solution, spray-dried, airtight for 24 hours, cooled to obtain the required powder injection raw materials, aseptically divided into 5ml vials, 0.3mg / bottle (calculated as total flavonoids of Tianjihuang), capped, after passing the inspection, Packaging is the finished product.
Embodiment 2
[0066] With reference to [WS-10078 (ZD-0078)-2002] method, prepare Tianji total flavonoid concentrate, in the workshop below 100 grades, add metered water-soluble pharmaceutical excipients for injection to the concentrate, wherein cysteine or The glutathione content accounts for 20% of the amount of excipients. Under the condition of 40-80°C, it is fully dissolved, and the pH is adjusted to 6.5-7.5. The solution is sterile ultrafiltered, and water for injection is added to adjust the total flavonoid concentration of Tianjihuang in the solution to 0.6 mg / ml, aseptically filled in 3ml ampoules, 0.5ml each, freeze-dried, each ampule contains ≥0.3mg of total flavonoids of Tianjihuang (calculated as quercetin), melted and sealed, and passed the inspection Finally, the finished product is packaged.
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