作者选择了63种中草药对8种细菌进行了体外抗菌试验,现将试验方法及结果报告如下。 一、材料制备 1.提取:取一定量草药,加水浸泡煮沸半小时,用二层纱布过滤并保留滤液。将药渣重复提取一次,合并二次滤液,离心或过滤后用水补足或浓缩至1克/毫升,再于100℃蒸汽灭菌45分钟,存冰箱备用。 The author selected 63 kinds of Chinese herbal medicines to conduct in vitro antibacterial tests on 8 kinds of bacteria. Now the test methods and results are reported below. First, the material preparation 1. Extraction: Take a certain amount of herbs, add water, soak boiled for half an hour, with two layers of gauze filter and keep the filtrate. The dregs were repeatedly extracted once, and the secondary filtrates were combined, centrifuged or filtered and made up with water or concentrated to 1 g/ml, steam-sterilized at 100° C. for 45 minutes, and stored in a refrigerator.