Preparation method of patrimia scabiosaefolia extract
The technology of Huanghuabaijian and extract is applied in the field of preparation of preparations, and can solve the problems of incapable of qualitative and quantitative detection of products, incomplete extraction of volatile oils, and difficulty in guaranteeing the quality of medicines. rate increase effect
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Embodiment 1
[0021] Weigh 1000g of the raw material of Huanghua Paijiang, pass it through a 40-mesh sieve after purification, and pulverize it into a coarse powder for later use; use the steam distillation method, put the raw material coarse powder on the sieve plate of the distillation pot for distillation, and the resulting mixture steam along the The gooseneck on the top of the pot is introduced into the condenser and cooled to obtain a liquid mixture of water and volatile oil, which is separated to obtain the volatile oil of Huanghuapaijiang; dry the distilled raw material of Huanghuapaijiang (or use a concentration of 95% after measuring the water content) The ethanol is adjusted to have an ethanol content of 60%), and the ethanol with a concentration of 60% is used as a solvent to fully wet the above-mentioned raw material coarse powder and let it stand for 60 minutes; the wet raw material coarse powder is placed in a percolator, and the concentration is 60%, the ethanol solution whos...
Embodiment 2
[0023] Repeat Example 1 with the following differences: the concentration temperature is 60° C., and the steam heating pressure is 0.15 MPa.
Embodiment 3
[0025] Repeat Example 1 with the following differences: the concentration temperature is 50° C., and the steam heating pressure is 0.1 MPa.
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