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金银花是忍冬藤科多年生缠绕灌木忍冬的花蕾,是治疗温热病的常用药,价格也较高,药市上常有掺杂使假的现象发生。 本人在检查工作中曾发现一批掺杂的金银花。其性状与正品基本相同,但是与正品比较有质重酥脆,握之闯手之别。药材表面似附有某种异物,口尝有甜味,遂做如下试验。 1 随机抽样100克,加水100毫升,搅拌振摇至药材表面附着物完全脱落为止,将洗液放入离心管内5000转/分沉淀,离心5分钟后,取上清液50℃～60℃的水浴中浓缩至5毫升,为供试液,做如下试验:①取供试液1毫升加5％的X—
Honeysuckle is a bud of the honeysuckle branch of the honeysuckle family. It is a commonly used medicine for the treatment of warm diseases, and the price is also high. The medicine market often suffers from the phenomenon of adulteration. I discovered a batch of adulterated honeysuckle in my inspection work. Its traits are basically the same as those of genuine products, but compared with genuine products, they have a heavy, crispy texture, and are not the same as the gripping hand. Some foreign materials appear on the surface of the medicinal material. The mouth tastes sweet. The following tests are performed. 1 Randomly sample 100 grams, add 100 ml of water, and stir until the attachment on the surface of the medicinal material completely falls off. Place the wash solution in a centrifuge tube at 5000 rpm. After centrifugation for 5 minutes, take the supernatant at 50°C to 60°C. Concentrate to 5 ml in the water bath. For the test solution, do the following test: 1 Take 1 ml of test solution plus 5% of X—