Freshly squeezed vacuum drying Mongolian dandelion herb powdery decoction pieces and preparation process thereof
A vacuum drying and preparation technology, which is applied in powder transportation, medical preparations containing active ingredients, plant/algae/fungus/moss ingredients, etc., can solve the problem of difficult extraction of non-polar active ingredients, time-consuming and energy-consuming, Great loss of active ingredients and other issues, to achieve the effect of facilitating storage and transportation and clinical adjustment, stable quality of decoction pieces, significant social and economic significance
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Embodiment 1
[0012] The freshly collected dandelion medicinal materials are cleaned, washed with water to remove the sediment, and pressed with a press to extract the juice while it is fresh. Add 3 times the amount of drinking water to the obtained dregs, stir for 20 minutes, and press with a plate-and-frame filter press to extract juice. The remaining medicinal dregs are squeezed with a press to extract the juice. The above-mentioned 3 concoctions were combined and filtered with a 100-mesh sieve. The filtrate was concentrated under reduced pressure and the temperature was set at 65 °C. When the relative density of the concentrated extract is 1.15, it is transferred to a vacuum drying oven, dried at 60°C for 8 hours, crushed at low temperature, and the moisture content is not higher than 12%.
Embodiment 2
[0014] The freshly collected dandelion medicinal materials are cleaned, washed with water to remove the sediment, and pressed with a press to extract the juice while it is fresh. Add 5 times the amount of drinking water to the obtained dregs, stir for 30 minutes, and press with a plate-and-frame filter press to extract juice. The remaining medicinal dregs are squeezed with a press to extract the juice. The above-mentioned 3 concoctions were combined and filtered with an 80-mesh sieve. The filtrate was concentrated under reduced pressure and the temperature was set at 70 °C. When the relative density of the concentrated extract is 1.10, it is transferred to a vacuum drying oven, dried at 65°C for 6 hours, crushed at low temperature, and the moisture content is not higher than 12%.
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