New use of penthorum chinense pursh or extract thereof
A technology of rushing yellow grass and extract, which is applied in the field of new use of yellow grass or its extract to achieve good preventive or therapeutic effects, improve HDL-C level, and reduce TG level.
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Embodiment 1
[0028] Example 1 The preparation method of the extract of C. japonica of the present invention:
[0029] (1) Extraction: Take the medicinal material of Quhuangcaojing, cut it into sections of 5-10cm, put it into the extraction tank, add 4-8 times the amount of water, heat to boiling and extract for 2-4 hours, filter, and enter the medicinal liquid into the medicinal liquid storage tank ; Add 2-4 times the amount of water for the second time, boil and decoct for 2-4 hours, filter, and combine the filtrate with the first time;
[0030] (2) Concentration: Vacuum concentration to a water-clear paste with a relative specific gravity (60-70°C) of 1.15-1.18.
[0031] (3) Alcohol precipitation: Add ethanol to Shuiqing ointment to make the alcohol content of the medicinal solution reach 50-70%, stir evenly, stop stirring and let the medicinal solution stand still until the precipitation is complete, extract the supernatant of alcohol precipitation, and wash the precipitate , combine t...
Embodiment 2
[0033] Embodiment 2 The preparation method of the extract of C. japonica of the present invention:
[0034](1) Extraction: Take the medicinal material of Quhuangcaojing, cut it into 5-10cm sections, put it into the extraction tank, add 8-10 times the amount of water, heat to boiling and extract for 1-3 hours, filter, and enter the liquid medicine storage tank ; Add 5-7 times the amount of water for the second time, boil and decoct for 1-3 hours, filter, and combine the filtrate with the first time;
[0035] (2) Concentration: Vacuum concentration to a water-clear paste with a relative specific gravity (60-70°C) of 1.18-1.20.
[0036] (3) Alcohol precipitation: Add ethanol to Shuiqing ointment to make the alcohol content of the medicinal solution reach 60-70%, stir evenly, stop the stirring and let the medicinal solution stand still until the precipitation is complete, extract the alcohol precipitation supernatant, and wash the precipitate , combine the supernatant with the wa...
Embodiment 3
[0037] Example 3 The preparation method of the extract of C. japonica of the present invention:
[0038] (1) Extraction: Take the medicinal material of Quhuangcaojing, cut it into sections of 5-10cm, put it into the extraction tank, add 10-12 times the amount of water, heat to boiling and extract for 1-2 hours, filter, and enter the medicinal liquid into the medicinal liquid storage tank ; Add 2-4 times the amount of water for the second time, boil and decoct for 2-4 hours, filter, and combine the filtrate with the first time;
[0039] (2) Concentration: Vacuum concentration to a water-clear paste with a relative specific gravity (60-70°C) of 1.13-1.15.
[0040] (3) Alcohol precipitation: Add ethanol to Shuiqing ointment to make the alcohol content of the medicinal solution reach 50-70%, stir evenly, stop stirring and let the medicinal solution stand still until the precipitation is complete, extract the supernatant of alcohol precipitation, and wash the precipitate , combine...
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