目的研究板蓝根不同提取部位的抗流感病毒作用，筛选出板蓝根抗病毒的活性部位。
Objective To study the anti-influenza effect of Radix Isatidis, and to select antiviral active fractions of Radix Isatidis.
干扰素是一组具有多种功能的免疫活性蛋白质，有抗病毒、抗肿瘤和免疫调节的作用。
Interferons are a group of immunocompetent protein with many functions such as antivirus, antitumor and immunomodular effects.
甘草酸为甘草的主要成分，因其具有明显的抗炎、免疫调节、抗病毒、解毒以及调节酶活性等作用，现已被广泛应用于肝脏疾病的治疗。
Glycyrrhizin, essential component of licorice, has been used to treat liver disease for it's effects of anti-inflammatory, immunological regulation and anti-virus.
结果：血凝滴度实验表明，在对甲型流感病毒的直接作用、治疗作用和预防作用3方面大多数板蓝根和大青叶有效，但各种质药材样品抗病毒活性的有无及强度有明显差异。
Results: According to hemagglutination titer, it was proved that most of Radix Isatidis and Folium Isatidis were effective to influenza a virus in 3 aspects: direct, therapeutic and preventive action.
结果：血凝滴度实验表明，在对甲型流感病毒的直接作用、治疗作用和预防作用3方面大多数板蓝根和大青叶有效，但各种质药材样品抗病毒活性的有无及强度有明显差异。
Results: According to hemagglutination titer, it was proved that most of Radix Isatidis and Folium Isatidis were effective to influenza a virus in 3 aspects: direct, therapeutic and preventive action.
应用推荐