Application of Flos Hydrangeae Macrophyllae extract in preparation of anti-HIV drug and preparation method of Flos Hydrangeae Macrophyllae extract
A technology of hydrangea and its extract, which is applied to the application of hydrangea extract in the preparation of anti-HIV drugs and its preparation, which can solve the problems of less research and development of hydrangea, and achieve the purpose of expanding uses, expanding channels, and increasing added value Effect
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[0041] The embodiment of the present invention: a preparation method of anti-hydrangea extract, including the following process steps:
[0042] 1.1 Extraction of hydrangea extract: Weigh 500g of dried hydrangea leaves, pulverize, use a 1:5 ratio of material to liquid, and reflux the ethanol solution with a volume fraction of 60% to 95% for 3 times, respectively 4h, 3h, 2h, The extracts were combined, filtered, and concentrated under reduced pressure to obtain an extract without alcohol. Add appropriate amount of distilled water to the extract, ultrasonically dissolve, and filter to obtain the extract aqueous solution.
[0043] 1.2 Extraction of different polar parts of the extract aqueous solution: extract the raw extract aqueous solution with ethyl acetate for 4 times, and then extract the extract aqueous solution with n-butanol 4 times to obtain the n-butanol After the extracts are combined, they are concentrated under reduced pressure to obtain the n-butanol layer extract. The ...
Example Embodiment
[0045] Example 2 of the present invention: the application of hydrangea extract in the preparation of anti-HIV drugs, Fr.1 to Fr.10 obtained in the preparation of the examples were prepared by adding various pharmaceutically acceptable excipients according to the dosage requirements Various dosage forms of Chinese medicine preparations.
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