Method for establishing substance standard of taohe chengqi decoction
A method for establishing a method and technology of Chengqi Decoction, which can be used in measurement devices, instruments, scientific instruments, etc., and can solve the problems of less extraction technology, content determination and fingerprint research, and lack of systematic research.
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[0024] The establishment method of embodiment 1 Taohe Chengqi Decoction substance benchmark
[0025] 1.1 Preparation of Taohe Chengqi Decoction
[0026] Weigh peach kernel, rhubarb, cassia twig, roasted licorice, and Glauber's salt as raw materials according to the original prescription, add 1400ml of water to boil the first four herbs to 500ml, filter, collect the filtrate, add Glauber's salt, slightly boil, put on fire, and get Peach Kernel Chengqi Soup Traditional decoction. Concentrate the traditional decoction of Taohe Chengqi Decoction to 50ml to obtain the concentrated solution of Taohe Chengqi Decoction, which is set aside.
[0027] 1.2 Determination of paste yield
[0028] Take the concentrated solution of Taohe Chengqi Decoction, evaporate to dryness in a water bath at 80°C, pre-freeze in a refrigerator at -25°C for 6 hours, and freeze-dry in a vacuum freeze dryer until the sample is in a loose and anhydrous state. Weigh it and the paste yield is 17.47%. .
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