Preparation method of dendrobium freeze-dried powder
A technology of freeze-dried powder and Dendrobium powder, which is applied in the direction of freeze-dried transportation, medical preparations containing active ingredients, powder transportation, etc., which can solve the problems of content reduction and heat-sensitive nutrient destruction, and achieve fast absorption and no solvent pollution Or residual, the effect of simple preparation method
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[0031] The invention provides a kind of preparation method of dendrobium freeze-dried powder, comprises the following steps:
[0032] Step 1, using ultra-high pressure and low temperature technology to break the wall of fresh dendrobium raw materials;
[0033] Step 2. After the fresh dendrobium raw material after the broken wall is refined and mixed, adopt vacuum freeze-drying to obtain dendrobium powder; the vacuum freeze-drying process specifically includes: pre-freezing the dendrobium raw material after refining and mixing , the first sublimation and the second sublimation;
[0034] Step 3, superfinely pulverizing the dendrobium powder.
[0035] The preparation method of the dendrobium freeze-dried powder of the present invention adopts ultra-high pressure and low temperature technology to break the wall, so that the cell wall and cell membrane of fresh dendrobium are cracked, the medicinal ingredients are fully released and the activity of the medicinal ingredients is mai...
Embodiment 1
[0056] A preparation method of dendrobium freeze-dried powder, comprising the following steps:
[0057] Step 1. Acceptance of dendrobium raw materials: Copper-skinned dendrobium is produced in Huaping County, Lijiang City, Yunnan Province, fresh dendrobium.
[0058] Step 2, selection and cleaning: select undamaged and mildew-free Dendrobium, and remove the leaves; then rinse the Dendrobium with pure water.
[0059] Step 3. Wall breaking: Ultra-high pressure and low temperature technology is used to crack the cell wall and cell membrane of Dendrobium, fully release the medicinal ingredients and maintain the activity of the medicinal ingredients, which can well protect the bright color of Dendrobium. The treatment conditions of the ultra-high pressure and low temperature technology are: put a certain volume of cold water in the ultra-high pressure container, the pressure of the container is 450MPa, the pressure is maintained for 1min, and the temperature is 60°C.
[0060] Step ...
Embodiment 2
[0070] A preparation method of dendrobium freeze-dried powder, comprising the following steps:
[0071] Step 1. Acceptance of dendrobium raw materials: fresh dendrobium is produced in Ziyun County, Guizhou Province.
[0072] Step 2, selection and cleaning: select undamaged and mildew-free Dendrobium, and remove the leaves; then rinse the Dendrobium with pure water.
[0073] Step 3. Wall breaking: Ultra-high pressure and low temperature technology is used to crack the cell wall and cell membrane of Dendrobium, fully release the medicinal ingredients and maintain the activity of the medicinal ingredients, which can well protect the bright color of Dendrobium. The treatment conditions of ultra-high pressure and low temperature technology are as follows: a certain volume of cold water is placed in an ultra-high pressure vessel, the pressure of the vessel is 480MPa, the pressure is maintained for 2 minutes, and the temperature is 55°C.
[0074] Step 4, refining and mixing: use a r...
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