Compound Chinese medicinal extract mixture and its prepration method
A technology of compound traditional Chinese medicine and composition, which is applied in the field of traditional Chinese medicine composition and its preparation, and can solve problems such as difficult quality control and unclear effective substances
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Embodiment 1
[0013] Embodiment 1 compound Chinese medicine extract composition preparation method 1
[0014] Mix the six medicinal materials of Chuanxiong, peach kernel, red peony root, safflower, Citrus aurantii and Bupleurum according to the ratio of 3:3:3:2:2:1, add 7 times, 6 times, and 5 times the amount of water to decoct for 2.0 hours , 1.5h, 1.0h. Filtrate, combine the filtrates, concentrate under reduced pressure at 70°C to a concentration of 1 g medicinal material / ml, and filter the concentrate. With the ratio of filtrate: resin amount (ml: g) being 1: 3, the filtrate is placed on the D-101 type macroporous resin column, and water, 10% ethanol, 20% ethanol, 30% ethanol, 40% ethanol, 50% ethanol, 60% ethanol, and 70% ethanol were eluted, and each eluate was collected. Take 30% ethanol eluate, recover the solvent under reduced pressure, dry in vacuum to obtain extract powder, and obtain combination unit A; combine 40% ethanol, 50% ethanol, and 60% ethanol eluate, recover solvent ...
Embodiment 2
[0015] Embodiment 2 compound Chinese medicine extract composition preparation method 2
[0016] Mix the six medicinal materials of Chuanxiong, peach kernel, red peony, safflower, Citrus aurantii and Bupleurum according to the ratio of 3:3:3:2:2:1, add 10 times the amount of 60% ethanol and decoct 3 times, each time for 1.5h . Filter, combine the filtrates, recover ethanol under reduced pressure, add appropriate amount of water to dilute to a concentration of 1.5g medicinal material / ml, and filter. With the ratio of filtrate: resin amount (ml: g) being 1: 4.5, the filtrate is placed on the D-101 type macroporous resin column, with 4 times of resin bed volume water, 5 times of resin bed volume 10% ethanol, 3 times Resin bed volume 30% ethanol, 3 times resin bed volume 70% ethanol elution. Collect the 30% ethanol eluate, recover the solvent under reduced pressure, and dry it in vacuum to obtain a powdered extract to obtain unit A;
Embodiment 3
[0017] Embodiment 3 compound Chinese medicine extract composition preparation method 3
[0018] Take the decoction pieces of Radix Paeoniae Rubra in the prescription, add 8 times the amount of 70% ethanol to reflux and extract 3 times, 1.0 each time. The extract was concentrated under reduced pressure to remove ethanol, after adding an appropriate amount of water, it was put on a macroporous resin column. Elution was performed with 5 times the volume of the resin bed in 20% ethanol and 4 times the volume of the resin bed in 40% ethanol. Collect the 40% ethanol eluate, recover the solvent under reduced pressure, and spray dry it into extract powder to obtain the combination unit A. Five kinds of medicinal materials of Chuanxiong, peach kernel, safflower, Citrus aurantii and Bupleurum were mixed according to the ratio of 3:3:2:2:1, 10 times the amount of 60% ethanol was added, and reflux was extracted for 3 times, each time for 1.5h. Filtrate, combine the filtrates, recover et...
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