Freshly squeezed vacuum drying spreading hedyotis herb powdery decoction pieces and preparation process thereof
A Hedyotis diffusa, vacuum drying technology, applied in the directions of medical preparations containing active ingredients, plant/algae/fungus/moss ingredients, plant raw materials, etc., can solve the problem of large loss of active ingredients, time-consuming and energy-consuming, non-polar It is difficult to extract active ingredients and other problems, so as to achieve the effects of stable quality of decoction pieces, convenient storage and transportation, significant social significance and economic significance.
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Embodiment 1
[0012] The freshly collected Hedyotis diffusa medicinal materials are cleaned, washed with water to remove the sediment, cut into 5cm sections while fresh, and squeezed with a press to extract the juice. Add 3 times the amount of tap water to the obtained dregs, stir for 20 minutes, and press with a plate-and-frame filter press to extract the 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, transfer it to a vacuum drying oven, and dry it for 8 hours at 60°C and a pressure of 0.08Mpa, collect the dry matter and grind it at low temperature, and the moisture content is not higher than 12%.
Embodiment 2
[0014] Clean the freshly collected Hedyotis diffusa medicinal material, wash it with water to remove the sediment, cut it into 10cm sections while it is fresh, and squeeze it with a press to extract the juice. Add 5 times the amount of tap water to the obtained dregs, stir for 30 minutes, and press with a plate-and-frame filter press to extract the 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, transfer it to a vacuum drying oven, and dry it for 6 hours at 70°C and a pressure of 0.09Mpa, collect the dry matter and grind it at low temperature, and the moisture content is not higher than 12%.
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