OBJECTIVE: To isolate the chemical constituents from Radix Isatidis.

目的从板蓝根中分离化学成分。

Objective It is to investigate the influence of Radix Isatidis extraction on mouse with influenza virus FM1 strain.

目的研究板蓝根提取液的抗甲1型流感病毒鼠肺适应株作用。

Objective: Understand the actual effect of indoor air disinfection with the air refreshing agents of Radix Isatidis.

目的：了解板蓝根空气清新剂在室内空气消毒的实际效果。

Objective: to establish the optimal extraction process for the extraction of total organic acids from Radix Isatidis.

目的：优选并确立板蓝根中总有机酸的最佳提取工艺。

Objective To study the anti-influenza effect of Radix Isatidis, and to select antiviral active fractions of Radix Isatidis.

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。

METHODS Contrasting with Indigo Blue and Indirubin, Radix Isatidis Herbs and Radix Isatidis Oral Liquid were identified by TLC.

方法采用薄层色谱法，以靛蓝、靛玉红为对照品，对制剂投料用板蓝根饮片及成品板蓝根口服液进行薄层鉴别。

The bioassay method of Radix Isatidis was established initially by a market-basket analysis of biothermal fingerprint and HPLC fingerprint.

初步建立了生物热活性指纹图谱与化学指纹图谱关联分析的板蓝根药效物质筛选方法。

In the winter vacation of 2003, due to SARS, the market is in great demand of Radix Isatidis, from which I have made more than 3,000 RMB profit.

2003年寒假，由于非典，市场对板蓝根需求很大，本人销售板蓝根盈利三千多元。

Methods:Silica gel G plate was used to indentify Radix Isatidis and Folium Isatidis, polyamide film board was used to indentify Flos Chrysanthemi Indici.

方法：分别采用硅胶G板对板蓝根、大青叶、重楼，聚酰胺薄膜板对野菊花进行薄层鉴别。

For example, in August 2010, the price of Radix Isatidis was three times of its low level in 2009, and the price of Notoginseng was 10 times higher than a year ago level.

比例，2010年8月，板蓝根的价格相比2009年的最低价上涨了2倍,而田七的价格比去年同期高十倍。

OBJECTIVE: To study the influence of Radix Isatidis polysaccharides produced by different preparation technologies on proliferation function of mouse splenic lymphocyte.

目的研究板蓝根在不同制备工艺条件下得到的多糖对小鼠脾淋巴细胞增殖的影响。

The invention discloses an application of radix isatidis in preparing medicine curing endotoxemia and an application of radix isatidis particle in preparing medicine curing endotoxemia.

本发明公开了一种板蓝根在制备防治内毒素血症药物中的应用， 以及一种板蓝根颗粒在制备防治内毒素血症药物中的应用。

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。

Objective: To establish the double HPLC fingerprints of water-soluble composition and amino acids precolumn derivative reagent of 13 batches of Isatidis Radix micropower.

目的： 建立13批板蓝根超微粉体水溶性成分和氨基酸柱前衍生化双重HPLC指纹图谱。

Cluster analysis showed that different kinds of the herbal Isatidis Radix micropower from different areas were different levels in the main ingredients.

聚类分析表明，不同产地板蓝根药材其主要成分含量存在差异。