A kind of traditional Chinese medicine extract with antidepressant effect and application thereof
A technology of extracts, drugs, applied in the field of medicine
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Embodiment 1
[0034] Embodiment 1: the preparation of False Betel Extract
[0035] After pulverizing the stems and leaves of Pseudomonas chinensis, put them into the extraction tank, heat them with 80% ethanol for 3 times, each time the amount of solvent is about 10 times the amount of crude drug, each extraction time is 2 hours, combine the extracts and concentrate to dryness , and further dried to obtain the total extract of False Betel, that is, the False Betel extract of the present invention.
[0036] After dissolving the total extract of Pseudomonas in water, extract with equal volumes of petroleum ether, dichloromethane, ethyl acetate, and n-butanol for 3 to 5 times, according to the order of the polarity of the solvents used from small to large (The order of polarity from small to large is: petroleum ether, dichloromethane, ethyl acetate, n-butanol) for extraction. The ethyl acetate fraction of the extract of the betel, the petroleum ether fraction of the extract of the betel, the ...
Embodiment 2
[0037] Example 2: Antidepressant Pharmacodynamics Experiment of False Betel Extract
[0038] 2.1 Experimental materials
[0039] ICR mice, male, weighing 18-22 g, were provided by Shanghai Slack Experimental Animal Co., Ltd., license number: SCXK (Shanghai) 2012-0002. Drink water and eat freely, room temperature (25±2)℃, 12h circadian rhythm. Positive control drug fluoxetine hydrochloride dispersible tablets (Eli Lilly Suzhou Pharmaceutical Co., Ltd., batch number: 2842A, specification: 20 mg). Electronic balance (AL104), Mettler-Toledo Instrument (Shanghai) Co., Ltd., rotary evaporator (RE-52C), Shanghai Qingpu Huxi Instrument Factory.
[0040] 2.2 Experimental grouping and administration
[0041] 2.2.1 Experimental grouping and administration of the total extract of Konjac
[0042] Mice are randomly divided into groups according to body weight, and every group of 10 is divided into blank control group (given same volume of distilled water); positive drug fluoxetine hydro...
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