Compound traditional Chinese medicine extractive composite for preventing and curing Alzheimer disease
A technology for senile dementia and compound Chinese medicine, which is applied in the direction of drug combination, medical formula, plant raw materials, etc., can solve the problems of not delaying the development of the disease, liver side effects, expensive drugs, etc., to improve cognitive dysfunction and improve memory , the effect of delaying the development
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Embodiment 1
[0028] Embodiment 1, prepare the composition of total flavonoid extract and total polysaccharide extract
[0029] 1. Preparation of total flavonoid extract
[0030] 1) Weigh the following medicinal materials in parts by mass: Epimedium (6000 parts), fried dodder (6000 parts), medlar (6000 parts), raspberry (3000 parts), steamed schisandra (750 parts) and salt fried car Qianzi (1500 parts), after mixing, Chinese medicine composition is obtained.
[0031] 2) adding an aqueous ethanol solution with a mass concentration of 95% to the traditional Chinese medicine composition for extraction 3 times, the amount of alcohol added for the three extractions is 10 times the volume, 8 times the volume, and 6 times the volume successively, and the time for the three extractions is 1.5 hours. Combine three alcohol extracts and the remaining residue (for extracting total polysaccharides); extract the alcohol extract with petroleum ether, discard the ether phase after extraction, collect the ...
Embodiment 2
[0036] Example 2, the influence of the composition of compound total flavonoid extract and total polysaccharide extract on the learning and memory ability of dementia rats
[0037] 1. Materials
[0038] 1.1 Animals: SD male rats (SPF grade), weighing 285-315 g, provided by the Scientific Experimental Animal Center of the Chinese Academy of Military Medical Sciences (permit number SCXK-Jun-2007-004).
[0039] 1.2 Reagents and drugs: 1) Test drug: the composition of the compound total flavonoid extract and total polysaccharide extract prepared in Example 1; 2) The positive control drug is Huperzine A tablet, a product of Henan Tailong Pharmaceutical Co., Ltd., batch number: H10940156 ;3) Aβ 25-35 Purchased from Sigma Company, dissolved in sterile normal saline to prepare 5 μg / ml, aged at 37°C for 7 days, and stored at -20°C for later use.
[0040] 1.3 Experimental equipment: SN-3N stereotaxic instrument (Narishige, Japan), DMS-2Morris water maze system (Institute of Materia Me...
Embodiment 3
[0063] Example 3, the effect of compound total flavonoid extract and total polysaccharide extract composition on the long-term enhancement of dementia rats in vivo
[0064] 1. Materials
[0065] 1.1 Animals: Same as Example 3.
[0066] 1.2 Reagents and drugs: the same as in Example 3.
[0067] 1.3 Experimental equipment: SN-3N brain stereotaxic instrument (Narishige, Japan), VC-11 memory oscilloscope (Nihon Konden, Japan), SEN-7203 three-channel electronic stimulator (Nihon Konden, Japan), SS-202J stimulation isolator (Nihon Konden, Japan) Konden).
[0068] 2. Method
[0069] 2.1 Construction of AD model rats Same as in Example 4.
[0070] 2.2 The administration method is the same as that in Example 4.
[0071] 2.3 Experimental methods of electrophysiology
[0072] (1) Implantation of electrodes The animals were anesthetized with 20% urethane (urethane, 1.2g / kg, ip.) and fixed on a stereotaxic instrument. Anterior perforant path (PP) in the entorhinal area, its position...
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