Dai medicine extract with hypoglycemic effect, preparation and application thereof
A technology for extracts and pharmaceutical preparations, which is applied to the preparation of Dai medicine extracts with hypoglycemic effect and their application fields, and can solve problems such as side effects of digestive tract.
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Embodiment 1
[0022] The preparation of embodiment 1 Dai medicine extract
[0023] (1) Take 20 parts of Dischidia minor (Vahl.) Merr., 10 parts of Aspidopterys obcordata Hemsl., 20 parts of Passiflora wilsonii Hemsl., and Clerodendrum japonicum ( Thunb.) Sweet) 10 parts, mixed and pulverized, sieved through Pharmacopoeia No. 2.
[0024] (2) Take the medicinal material powder obtained in (1), add 30% ethanol with 10 times the weight of the medicinal material, heat and reflux for extraction, and the extraction frequency is 1 time.
[0025] (3) Take the medicinal solution extracted in (2), and concentrate it in a rotary evaporator, the temperature of the concentrated water bath does not exceed 60°C, and finally obtain an extract with a relative density of 1.15.
[0026] (4) Take the extract obtained in (3), add 5 times the mass of water to dilute it, mix it with an equal volume of gel, mix well, load the sample on the silica gel column, and the amount of the sample is the ratio of the amount ...
Embodiment 2
[0029] The preparation of embodiment 2 Dai medicine extract
[0030] (1) Take 50 parts of Dischidia minor (Vahl.) Merr., 30 parts of Aspidopterys obcordata Hemsl., 40 parts of Passiflora wilsonii Hemsl., Clerodendrum japonicum ( Thunb.) Sweet) 30 parts, mixed and pulverized, passed No. 2 sieve of Pharmacopoeia.
[0031] (2) Take the medicinal material powder obtained in (1), add 100% ethanol with 10 times the mass of the medicinal material, and perform ultrasonic extraction, and the number of extraction times is 3 times.
[0032] (3) Concentrate the liquid medicine extracted in (2) in a rotary evaporator, the temperature of the concentrated water bath shall not exceed 60°C, and finally obtain an extract with a relative density of 1.5.
[0033] (4) Take the extract obtained in (3), add 5 times the mass of water to dilute it, mix it with an equal volume of gel, mix well, load the sample on the silica gel column, and the amount of the sample is the ratio of the amount of the ext...
Embodiment 3
[0036] The preparation of embodiment 3 Dai medicine extract
[0037](1) Take 30 parts of Dischidia minor (Vahl.) Merr., 20 parts of Aspidopterys obcordata Hemsl., 30 parts of Passiflora wilsonii Hemsl., and Clerodendrum japonicum ( Thunb.) Sweet) 20 parts, mixed and pulverized, sieved through Pharmacopoeia No. 2.
[0038] (2) Take the medicinal material powder obtained in (1), add 70% ethanol with 10 times the weight of the medicinal material, and perform ultrasonic extraction, and the extraction frequency is 2 times.
[0039] (3) Take the liquid medicine extracted in (2), and concentrate it in a rotary evaporator, the temperature of the concentrated water bath shall not exceed 60°C, and finally obtain an extract with a relative density of 1.28.
[0040] (4) Take the extract obtained in (3), add 5 times the mass of water to dilute it, mix it with an equal volume of gel, mix well, load the sample on the silica gel column, and the amount of the sample is the ratio of the amount...
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