Preparation method of lignan compound and application thereof
A technology of lignans and compounds, which is applied in the field of medicine, can solve the problems of unclear active ingredients, unclear substances that act on liver diseases, etc., and achieve the effect of reducing the content
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Embodiment 1
[0031] Embodiment 1: preparation embodiment
[0032] The preparation method of a kind of new lignans compound in Teng chrysantha, comprises the following steps:
[0033] (1) Take the dried medicinal material of Qingfengteng, add 12 times the concentration of 70% ethanol for reflux extraction each time, the number of extractions is three times, and the three extraction times are 3 hours, 2 hours, and 1.5 hours respectively, filter, and combine the extracts, Concentrate under reduced pressure to obtain the extract;
[0034] (2) Take the extract from step (1) and dissolve it with 20% ethanol, filter to remove the insoluble matter, obtain the supernatant, apply it to HP-20 resin (medicine resin ratio 1:3), and elute 3 columns with water Volume, remove water-soluble impurities, and then elute with 20% ethanol solution for 3 column volumes, combine the eluents, and concentrate to obtain the elution site;
[0035] (3) Dissolve the elution fraction obtained in step (2) with 70% etha...
Embodiment 2
[0036] Embodiment 2: preparation embodiment
[0037] The preparation method of a kind of new lignans compound in Teng chrysantha, comprises the following steps:
[0038] (1) Take the dried herbal material of Qingfengteng, add 10 times the concentration of 50% ethanol for reflux extraction each time, the number of extractions is three times, and the three extraction times are 3 hours, 2 hours, and 1.5 hours respectively, filter, and combine the extracts, Concentrate under reduced pressure to obtain the extract;
[0039] (2) Take the extract from step (1) and dissolve it with 20% ethanol, filter to remove the insoluble matter, obtain the supernatant, apply it to HP-20 resin (medicine resin ratio 1:3), and elute 3 columns with water Volume, remove water-soluble impurities, and then elute with 20% ethanol solution for 3 column volumes, combine the eluents, and concentrate to obtain the elution site;
[0040] (3) Dissolve the elution fraction obtained in step (2) with 70% ethanol...
Embodiment 3
[0041] Embodiment 3: preparation embodiment
[0042]The preparation method of a kind of new lignans compound in Teng chrysantha, comprises the following steps:
[0043] (1) Take the dried herbal material of Qingfengteng, add 14 times the concentration of 70% ethanol for reflux extraction each time, the number of extractions is three times, and the three extraction times are 3 hours, 2 hours, and 1.5 hours respectively, filter, and combine the extracts, Concentrate under reduced pressure to obtain the extract;
[0044] (2) Take the extract from step (1) and dissolve it with 20% ethanol, filter to remove the insoluble matter, obtain the supernatant, apply it to HP-20 resin (medicine resin ratio 1:3), and elute 3 columns with water Volume, remove water-soluble impurities, and then elute with 25% ethanol solution for 3 column volumes, combine the eluents, and concentrate to obtain the elution site;
[0045] (3) Dissolve the elution fraction obtained in step (2) with 70% ethanol,...
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