Usage of glanthidine, total alkali extract and preparation method and usage thereof
A technology of extract and lycorine, applied in the direction of medical preparations containing active ingredients, drug combinations, pharmaceutical formulas, etc., can solve the problem of lack of SARS virus-specific formulas and drugs
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Embodiment 1
[0053] Extraction and detection of embodiment 1 Lycoris extract
[0054] 1. Materials and Instruments
[0055] Materials: Purchased in Anguo, Anhui in November 2001, identified by Professor Yan Yuning of Beijing University of Traditional Chinese Medicine and numbered for storage.
[0056] instrument:
[0057] Soxhlet extractor (common Chinese type); Pulverizer (Beijing Guangming Instrument Factory FZ-102); Rotary evaporator (Shanghai Shensheng Instrument Company); Four-hole water bath (Beijing Instrument Factory); absolute ethanol (analytical grade, Chemical Reagent Factory); Chloroform (analytical grade, Beijing Chemical Reagent Factory); electronic balance (accurate 0.1g, Beijing Medical Balance Factory DT-500); experimental filter paper.
[0058] 2. Steps:
[0059] Get 143g Lycoris medicinal material, crush it with a pulverizer, and put it into a paper tube.
[0060] Put 800ml of chloroform into the flat-bottomed flask in the Soxhlet extractor, put the prepared lycoris ...
Embodiment 2
[0066] Example 2 Lycoris extract anti-SARS activity test
[0067] Materials and methods
[0068] Test drug: Lycoris extract prepared in Example 1.
[0069] Cells: Vero cells (Vero).
[0070] Virus: SARS virus Beijing No. 1 (BJ-01).
[0071] Reagents: DMEM medium (product of GIBCO), streptomycin, L-glutamine (Invitrogen, USA), fetal bovine serum (Hyclone, USA), Hepes, MTS (Promega, USA), PMS, penicillin (Sigma company), sodium bicarbonate (purchased from Jingke Chemical Reagent Company and imported).
[0072] Cell culture medium and reagent preparation: DMEM culture medium: containing 10% newborn fetal bovine serum, 3% L-glutamine, 1% penicillin, streptomycin, 7.5% sodium bicarbonate, 10mM Hepes;
[0073] MTS / PMS staining solution: prepared according to the operating instructions of Promega Company.
[0074] MTS: formazan compound [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethylcarboxylate)-2-(4-sulfophenyl)-2H-tetrazole (gold Ong)
[0075] PMS: Phenazine Dimethyl Sulfat...
Embodiment 3
[0096] The extraction and detection of embodiment 3 Lycoris total alkali extract
[0097] Experimental steps:
[0098] Get a certain amount of Lycoris extract obtained in Example 1 and dissolve it in a 0.1mol / L HCl solution, and shake it to fully dissolve it.
[0099] The acid-containing solution is filtered by vacuum pump to remove the residue.
[0100] Filtrate with NaHCO 3 Adjust the acidic solution to make PH=9-10. And use CHCL 3 Extract three times. CHCL 3 The solution.
[0101] Recovery of CHCL 3 And spin-dried to obtain the total alkali powder, which was used for the determination of the effective part in the next step without purification.
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