Application of Monochasma sheareri extract
An extract, the technology of velvet velvet, applied in the application field of velvet velvet extract, can solve the problem that velvet velvet has no anti-convulsion report, and achieve the effect of good anti-convulsant effect, simple extraction operation, and less impurities
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Embodiment 1
[0021] The preparation method of the velvet antler extract includes: an initial extraction step and a fine extraction step; wherein, the initial extraction step includes: (1) crushing the velvet antler medicinal material; (2) soaking the velvet antler medicinal material in 75% ethanol at room temperature After 30 days, the filtrate was filtered, and the filter residue was soaked in 75% ethanol with 3 times the amount of velvet antler for 30 days, and the filtrate was filtered, and the two filtrates were combined; (3) the filter residue was operated once in the same way as in step (2) and The filtrate was combined twice, and the filtrate was concentrated by a rotary evaporator at 80° C. to remove ethanol to obtain the initial extract.
[0022] The fine extraction step includes: A. adding an appropriate amount of water to dilute the primary extract obtained in step (3); B. adding petroleum ether of 1 / 10 of the volume of the diluted primary extract to the diluted primary extract f...
Embodiment 2
[0024] The preparation method of the velvet antler extract includes: an initial extraction step and a fine extraction step; wherein, the initial extraction step includes: (1) crushing the velvet antler medicinal material; (2) soaking the velvet antler medicinal material in 70% ethanol at room temperature After 30 days, the filtrate was filtered, and the filter residue was soaked in 72% ethanol twice the amount of velvet antler for 30 days, and the filtrate was filtered, and the two filtrates were combined; The filtrate was combined twice, and the filtrate was concentrated by a rotary evaporator at 75° C. to remove ethanol to obtain the initial extract.
[0025] The fine extraction step includes: A. Adding an appropriate amount of water to dilute the primary extract obtained in step (3); B. Adding petroleum ether of 1 / 15 of the volume of the diluted primary extract to the diluted primary extract for liquid-liquid Extraction operation, fully shake the mixed solution, after the p...
Embodiment 3
[0027] The preparation method of the velvet antler extract includes: an initial extraction step and a fine extraction step; wherein, the initial extraction step includes: (1) crushing the velvet antler medicinal material; (2) soaking in 72% ethanol at room temperature After 30 days, the filtrate was filtered, and the filter residue was soaked in 75% ethanol with 3 times the amount of velvet antler for 30 days, and the filtrate was filtered, and the two filtrates were combined; (3) the filter residue was operated once in the same way as in step (2) and The filtrate was combined twice, and the filtrate was concentrated by a rotary evaporator at 80° C. to remove ethanol to obtain the initial extract.
[0028] The fine extraction step includes: A. adding an appropriate amount of water to dilute the primary extract obtained in step (3); B. adding petroleum ether of 1 / 10 of the volume of the diluted primary extract to the diluted primary extract for liquid-liquid Extraction operatio...
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