In the crushing of traditional Chinese medicine, some difficult to crush herbs are often encountered. Viscous medicinal herbs containing components such as mucilaginous substances, sugars, or resins, such as raw and cooked herbs, cornus pulp, longan pulp, goji berries, ginseng, ophiopogon japonicus, etc; Oily medicinal herbs containing oily components, such as cypress kernels, sour jujube kernels, bitter almonds, etc; Rubber medicinal materials boiled from animal skins, bones and horns, such as ass hide glue, tortoise glue, deer horn glue, etc. It is important to use appropriate crushing methods based on these medicinal materials.
1. Sticky medicinal herbs
For the viscous medicinal materials in the compound formulation, other medicinal materials can be mixed and crushed into coarse powder first, then the viscous medicinal materials can be added and mixed evenly, and then crushed once to achieve the purpose of crushing. When there is too much sticky medicinal material in individual crushing or compound formulation, the repeated operation method of drying, removing, rolling, and drying can be adopted to remove the moisture from the medicinal material as much as possible and achieve the ideal crushing effect. If it is still difficult to crush medicinal materials containing volatile or heat-resistant components using the above methods, the medicinal materials should be frozen thoroughly in an freezer (below -10 ℃), taken out and immediately crushed to achieve good crushing effect.
2. Oily and colloidal medicinal materials
For oily or gelatinous medicinal materials in compound formulations, other medicinal materials can be mixed and crushed into fine powder, and the oily medicinal materials can be crushed into cakes, or the gelatinous medicinal materials can be crushed, and then mixed with the fine powder, and then crushed+times. When oily medicinal herbs are crushed separately or contain excessive amounts in compound formulations, they can be dried and crushed into mud, mixed with an appropriate amount of solid diluent, frozen thoroughly in an freezer (below -10 ℃), and immediately crushed after removal to achieve the purpose of crushing. When rubber medicinal materials are crushed separately or contain excessive amounts in compound formulations, they can be dried and crushed first, frozen thoroughly in an freezer (below -10 ℃), and immediately crushed after removal to achieve ideal results.
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