Pedunculate herpetospermum seed extract, its dripping pill and their preparing method and application
The technology of bolang melon seeds and extract is applied in the fields of bolang melon seed extract and its dropping pill formulations and the preparation of the extract and dropping pills, and can solve the problems of small prescription volume, influence on drug absorption, backward Tibetan medicine preparation process, etc.
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Embodiment 1
[0103] The preparation of embodiment 1 wave edge melon seed extract that is bulk drug:
Embodiment 1-1
[0105] Boling melon seed extract, its preparation method is as follows:
[0106] 1), pulverize the dried product of wave-lens melon seeds into coarse powder;
[0107] 2), decoct and extract the coarse powder with 80% ethanol of 6 times the amount of coarse powder, extract twice, each time for 2 hours, and combine the decoction;
[0108] 3), the decoction is filtered by the plate and frame suction filtration method, and the filtrate is concentrated under reduced pressure at 40°C until each 1ml of the liquid medicine is equal to 2g of the raw material drug; the pH value of the concentrated solution is adjusted to pH=10 with NaOH, and after the precipitation is dissolved, Use HCl to adjust the pH value to pH=2, centrifuge, and discard the supernatant; wash the precipitate with petroleum ether with a boiling range of 60°C, dry it under low temperature and reduced pressure at 40°C, crush the dry matter into fine powder, and pass through 100 mesh Sieve to obtain the pollen melon se...
Embodiment 1-2
[0110] The preparation method of Boling melon seeds extract, its steps and raw materials are as embodiment 1-1, in step 2) decoct and extract the coarse powder with 80% ethanol of 8 times the amount of coarse powder; in step 3) make the filtrate Concentrate under reduced pressure at 50°C; use NaOH to adjust the pH value of the concentrated solution to pH=10.5, after the precipitate is dissolved, adjust the pH value to pH=2.5 with HCl, centrifuge, discard the supernatant; use petroleum ether with a boiling range of 70°C Wash the precipitate, dry it under low temperature and reduced pressure at 50°C, pulverize the dry matter into fine powder, and pass through a 100-mesh sieve to obtain the extract of the melon seeds.
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