Objective: To study and analyze the effects of Mianma Guanzhong anti-influenza a virus FM1 strain, and provide valuable reference for future research work. Methods: The effects of three kinds of extracts of Mianma Guanzhong against influenza a virus FM1 strain were studied by using chicken embryo in vitro antiviral test method. Results: In the study, it was found that the preventive effects of the three extracts of Mianma Guanzhong were from water to extract, ether extract and ethanol extract. The therapeutic effects of the three extracts of Mianma Guanzhong were strong to weak. In turn, it is an ethanol extract, an aqueous extract, and an ether extract. Conclusion: Different extracts of Mianma Guanzhong have obvious effects against influenza A virus FM1 strain, which is worthy of attention and promotion.
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