Detailed Description
The technical solution of the present invention is further described in detail with reference to the following specific examples, but the scope of the present invention is not limited to the following.
Example 1 preparation of a pharmaceutical composition of the invention
1. Prescription: 30g of ginseng, 50g of angelica and 10g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 2 preparation of a pharmaceutical composition of the invention
1. Prescription: 10g of ginseng, 50g of angelica and 30g of fructus alpiniae oxyphyllae
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 3 preparation of a pharmaceutical composition of the invention
1. Prescription: 10g of ginseng, 30g of angelica and 50g of fructus alpiniae oxyphyllae
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 4 preparation of a pharmaceutical composition of the invention
1. Prescription: 50g of ginseng, 50g of angelica and 50g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 5 preparation of a pharmaceutical composition of the invention
1. Prescription: 50g of ginseng, 50g of angelica, 50g of sharpleaf galangal fruit and 50g of spina date seed
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 6 preparation of a pharmaceutical composition of the invention
1. Prescription: 1g of ginseng, 1g of angelica and 1g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 7 preparation of a pharmaceutical composition of the invention
1. Prescription: 30g of ginseng, 50g of angelica and 50g of fructus alpiniae oxyphyllae
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 8 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 5g, Chinese angelica root 10g, bitter cardamon 10g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 9 preparation of a pharmaceutical composition of the invention
1. Prescription: 20g of ginseng, 30g of angelica and 30g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 10 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 5g, Chinese angelica root 10g, bitter cardamon 10g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 11 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 5g, Chinese angelica root 5g, bitter cardamon 10g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
EXAMPLE 12 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 10g, Chinese angelica root 5g, bitter cardamon 10g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 13 preparation of a pharmaceutical composition of the invention
1. Prescription: 15g of ginseng, 5g of angelica and 10g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
EXAMPLE 14 preparation of a pharmaceutical composition of the invention
1. Prescription: 10g of ginseng, 5g of angelica, 15g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and tabletting to obtain tablets.
Example 15 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 3g, Chinese angelica root 5g, bitter cardamon 1g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and filling the granules into capsules to obtain capsules.
EXAMPLE 16 preparation of a pharmaceutical composition of the invention
1. Prescription: 1g of ginseng, 5g of angelica and 3g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding auxiliary materials of starch for granulation, magnesium stearate, dextrin and microcrystalline cellulose, uniformly preparing granules, and filling the granules into capsules to obtain capsules.
EXAMPLE 17 preparation of a pharmaceutical composition of the invention
1. Prescription: ginseng 3g, Chinese angelica root 5g, bitter cardamon 1g
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding conventional auxiliary materials, and preparing into granules.
EXAMPLE 18 preparation of a pharmaceutical composition of the invention
1. Prescription: 1g of ginseng, 5g of angelica and 3g of sharpleaf galangal fruit
2. The preparation method comprises the following steps: taking the raw materials according to the prescription amount, adding conventional auxiliary materials and preparing the oral liquid.
The advantageous effects of the present invention are described below by way of test examples.
Test example 1 test of the drug of the present invention against pseudodementia mouse caused by scopolamine
1 materials of the experiment
1.1 Experimental animals
Male mice of Kunming species, weighing 20 ± 2g, were provided by WUDUDUDO animal experiments, Inc., animal license number: SCXK (Chuan) 2015-030, raised at room temperature 22-26 ℃ and ingested with free water.
1.2 drugs and reagents
Donepezil hydrochloride tablets, national drug standard H20070181, 10 mg/tablet, manufactured by drug industry Co., Ltd. Scopolamine hydrobromide solution, manufactured by Shanghai Hefeng pharmacy Co., Ltd. ACHE kit, Nanjing, to build bioengineering institute. Fructus alpiniae oxyphyllae and spina date seeds are purchased from a traditional Chinese medicine room in a subsidiary hospital of Chengdu traditional Chinese medicine university, and are prepared according to equal dosage proportion by a ginseng group, a angelica group, a fructus alpiniae oxyphyllae group (ginseng: angelica sinensis ═ 1:1), a fructus alpiniae oxyphyllae group (fructus alpiniae oxyphyllae: ginseng ═ 1:1), a ginseng group, an angelica group, a fructus alpiniae oxyphyllae group (ginseng: angelica sinensis: fructus alpiniae oxyphyllae ═ 1:1), a ginseng group, an angelica group, fructus alpiniae oxyphyllae group and spina date seeds (ginseng: angelica sinensis: fructus alpiniae oxyphyllae: spina ═ 1:1: 1).
1.3 main experimental instruments:
refrigerated centrifuge, Thermo Fisher corporation, usa; precision electronic balance, Sartorius, germany; DT-200 diving tower tester (and test box), Gengtai Union technologies, Inc.; BA-200 automatic dark-avoiding tester (and test box), Chengtai Union science and technology Limited.
2 method of experiment
2.1 grouping and processing
Mice were randomly divided into a normal control group, a model control group, a positive control group (donepezil hydrochloride tablets), a test group a (ginseng and angelica group), a test group B (angelica and sharpleaf galangal fruit group), a test group C (sharpleaf galangal fruit and ginseng group), a test group D (ginseng and angelica and sharpleaf galangal fruit), and a test group E (ginseng and angelica and sharpleaf galangal fruit and spina date seed) according to body weight. Decocting the above materials with water by conventional method, concentrating to obtain medicinal liquid with crude drug content of 0.6g/ml, and administering to animals of each group according to dosage of 0.2ml/10g body weight/day ig. 50min after administration on day 14 of each group of mice in the darkness-avoiding and diving platform experimental groups, except for a blank control group, each group of mice is subjected to 2mg/kg body weight (0.1ml/10g body weight) of scopolamine hydrobromide solution 10min before darkness-avoiding training and diving platform training, so that a memory acquisition obstacle model of the mice is caused. The blank control group was gavaged with equal amount of distilled water. Animals of each group of mice were sacrificed after the behavioral test was completed, whole brains were picked and blood traces were washed with ice-cold physiological saline, cerebral cortex and hippocampus tissues were separated at low temperature, sufficiently ground in a homogenizing tube to make 10% brain tissue homogenate, centrifuged to take supernatant, and stored in a refrigerator at-20 ℃ for later use. Taking 10% brain tissue homogenate to be detected, preparing a reagent according to the requirements of the kit, and detecting AchE activity and ChAT activity by a colorimetric method.
2.2 mouse learning and memory Capacity test
2.2.1 dodging method
(1) Dark avoidance training: after the mice in the darkness-avoiding test group are subjected to gastric lavage administration or distilled water 50min on the 14 th day of the experiment, except a blank control group, the mice in other groups are subjected to intraperitoneal injection of scopolamine hydrobromide liquid (3mg/kg) for molding to prepare a memory acquired disorder model, 10min after molding, the animals are placed in a darkness-avoiding box in a light room with the back facing to an opening to adapt to 3min, 36V alternating current is applied, the time is immediately timed, and the latency and the error times of the animals within 5min are recorded.
(2) Dark avoidance testing: and (3) after the mice in the darkness-avoiding group are subjected to gastric gavage administration or distilled water for 60min on the 15 th day of the experiment (after 24 hours of darkness-avoiding training), the mice are placed in a darkness-avoiding box bright room, meanwhile, 36V alternating current is conducted, time is counted, and the latency and the error times of each animal within 5min are recorded.
2.2.2 diving platform method
(1) And (3) diving platform training: after the mice in the test group are subjected to intragastric administration or distilled water administration on the 14 th day of the experiment for 50min, a mouse memory obtaining obstacle model is manufactured by the same method as a dark avoidance experiment, after 10min, the mice in each group are placed on a diving platform to adapt for 3min, then 32V alternating current is applied, the time is immediately counted, and the incubation period and the error times of the animals in 5min are recorded.
(2) And (3) jump table testing: and (3) after the mice in the diving platform group are subjected to gastric lavage administration or distilled water 60min on the 15 th day of the experiment (after 24 hours of diving platform training), the mice are placed on the diving platform in the same way, 32V alternating current is supplied, time is counted, and the latency and the error times of the animals within 5min are recorded.
3. Results
3.1 influence on mouse memory acquired disorder caused by scopolamine evasion latency and error frequency (evasion method)
Compared with the blank group, the escape latency of the model group mice is obviously shortened, and the error frequency is obviously increased. After drug treatment, compared with a model control group, the donepezil hydrochloride group, the test C group, the test D group and the test E group can obviously prolong the latency period of the mice (p is less than 0.05) and reduce the error frequency of the mice within 5min (p is less than 0.05), and the results are shown in table 1.
TABLE 1 influence on the escape latency and number of errors in scopolamine-induced acquired memory impairment mice (avoidance method)
Note: p <0.05 compared to model group; p <0.01.
3.2 influence on mouse memory acquired disorder caused by scopolamine escape latency and error frequency (diving platform method)
Compared with the blank group, the escape latency of the model group mice is obviously shortened, and the error frequency is obviously increased. After drug treatment, compared with a model control group, the donepezil hydrochloride group, the test D group and the test E group can obviously prolong the latency period of the mice (p is less than 0.05), reduce the error frequency of the mice within 5min (p is less than 0.05), and have no obvious change in the test A group, the test B group and the test C group. The results are shown in Table 2.
TABLE 2 influence of the escape latency and the number of errors in scopolamine-induced acquired memory impairment mice (diving platform method)
Note: p <0.05 compared to model group; p <0.01.
3.3 Effect on AchE and ChAT Activity in memory acquisition disorder mouse brain tissue
Compared with the blank group, the AchE activity in the brain tissue of the mouse in the model group is obviously increased, and the ChAT activity is obviously reduced. After treatment, the activity of Ach E of donepezil hydrochloride group, experiment D group and experiment E group is obviously reduced (p is less than 0.05), the activity of ChAT is obviously improved (p is less than 0.05), and the experiment A group, the experiment B group and the experiment C group have no obvious change. The results are shown in Table 3.
TABLE 3 Effect on AchE and ChAT Activity in the brain of mice model for memory impairment
Note: in comparison with the set of models,*P<0.05;**P<0.01.
the above experimental results show that: under the condition of the same administration dosage, the compatibility of the ginseng, the angelica and the fructus alpiniae oxyphyllae and the compatibility of the ginseng, the angelica, the fructus alpiniae oxyphyllae and the spina date seeds can effectively improve the learning and memory capacity of a mouse with pseudodementia caused by scopolamine, reduce the ACHE activity of brain tissues and improve the ChAT activity, so that the learning and memory capacity of the mouse with dementia can be effectively improved, the cognition and judgment capacity of the mouse with dementia can be enhanced, and the mouse with dementia can be used for treating senile dementia; the compatibility of ginseng and angelica, angelica and sharpleaf galangal fruit, and the compatibility of sharpleaf galangal fruit and ginseng can not improve the learning and memory ability of a mouse with pseudodementia caused by scopolamine, reduce the ACHE activity of brain tissues and increase the ChAT activity, and basically has no treatment effect on the mouse with dementia.
Test example 2 test of the pharmaceutical composition of the present invention against vascular dementia model
1 materials of the experiment
1.1 Experimental animals:
SPF male SD rat, 250-280g, was provided by Woods great laboratory animals GmbH, animal license number: SCXK (Chuan) 2015-030, raised at room temperature 22-26 ℃ and ingested with free water.
1.2 drugs and reagents:
himalayan (dihydroergotoxine mesylate tablets), specification: 1 mg/tablet, national drug standard H31021182, Shanghai drug-mail pharmaceutical factory Co., Ltd; MDA, MAO kit, Nanjing to build bioengineering institute. The ginseng, angelica and fructus alpiniae oxyphyllae group (ginseng: angelica: fructus alpiniae oxyphyllae 1:1:1), the ginseng, angelica, fructus alpiniae oxyphyllae + spina date seed group (ginseng: angelica: fructus alpiniae oxyphyllae: spina date seed: 1:1:1) are all mixed according to equal dosage ratio and purchased from traditional Chinese medicine houses in subsidiary hospitals of Chengdu traditional Chinese medicine university.
2 method of experiment
2.1 model preparation
Permanently ligating bilateral common carotid arteries of rats by adopting a 2-VO method, separating the bilateral common carotid arteries of a blank group without ligation, injecting 10 ten thousand units of penicillin sodium into each rat per im after operation for resisting infection for 3 days, performing attention to water supplement during operation, performing attention to heat preservation after operation, and freely feeding the rats after one month after the operation for grouped administration.
2.2 grouping and administration
60 model rats SD are divided into a normal control group, a model control group, a positive control group (donepezil hydrochloride tablets), an experiment A group (ginseng, angelica and fructus alpiniae oxyphyllae group) and an experiment B group (ginseng, angelica, fructus alpiniae oxyphyllae and spina date seed group) according to weight layering at random, all the groups of medicines are decocted with water according to a conventional method and concentrated into liquid medicine with the crude drug content of 0.6g/ml for later use, all the groups of animals are subjected to gastric lavage administration according to 1ml/100g of weight per day, the model control group and the blank control group are subjected to equal amount of distilled water, administration is carried out for 15 days continuously, a water maze behaviouristic test is started after administration on the 11 th day of the experiment, a positioning navigation experiment is carried out on the first 4 days, and a space search experiment is carried.
2.3 Morris Water maze test rat learning and memory ability
The MT-200 water maze pool is divided into 4 quadrants in an average way, the platform is positioned in the center of the SW quadrant, the water surface is 1.5cm higher than the platform, milk is added into the water until the water is opaque, the rat enters the water towards the pool wall at the middle position of the SW quadrant every day, the experimental time is 120s, the rat sails in a fixed position in the first 4 days, the latency, the platform residence time and the platform residence distance are automatically recorded by an instrument, the number of times of passing the platform is counted as 120s, if the rat does not find the platform in 120s, all the rats are stopped on the platform for 10s after the experiment to enhance the memory; and 5 days in total, the platform is removed on the fifth day of the experiment, a space search experiment is carried out for 120s, the latency period of the space search experiment is manually recorded, and the number of times the space search experiment passes through the platform, the retention time of the platform and the retention distance of the platform are automatically recorded by an instrument. The results are shown in Table 4.
2.4 rat Hippocampus, determination of serum MDA content, MAO Activity
And (3) killing the rat after the behavioral test is finished, freezing and storing hippocampal tissues for later use, taking blood and separating serum, and detecting the hippocampal, serum MDA content and MAO activity of the rat according to the kit. The results are shown in tables 5 and 6.
3 results of the experiment
3.1 Effect of drugs on spatial search Capacity in mice
Compared with the model control group, each treatment group can shorten the escape latency of rats to different degrees and increase the platform passing times, the platform residence time and the platform residence distance of the rats within 120s, and the results are shown in table 4.
TABLE 4 influence on spatial learning and memory ability of VD model rats
Note: p <0.05 compared to model group; p <0.01.
3.2 Effect on rat Hippocampus tissue, serum MDA content, MAO Activity
Compared with a model control group, the positive control group can obviously reduce the MDA content and the MAO activity of rat hippocampal tissues (p is less than 0.05); the MDA content of the hippocampal tissues of rats in the experiment A group and the experiment B group has a descending trend, wherein the MAO descending trend of the experiment B group is obvious (p is less than 0.05), and the statistical significance is realized. The results are shown in Table 5.
TABLE 5 Effect on rat Hippocampus tissue MDA content, MAO Activity
Note: p <0.05 compared to model group.
Compared with a model control group, the positive control group can obviously reduce the MDA content and the MAO activity of the serum of the rat (p is less than 0.05); experiment A and B groups of rats have a descending trend of MDA content and MAO activity in hippocampal serum. The results are shown in tables 5 and 6.
TABLE 6 Effect on rat serum MDA content, MAO Activity
Note: p <0.05 compared to model group; p <0.01.
The above experimental results show that: under the condition of the same administration dosage, the compatibility of the ginseng, the angelica and the fructus alpiniae oxyphyllae and the compatibility of the ginseng, the angelica, the fructus alpiniae oxyphyllae and the spina date seed have different degrees of influence on MDA and MAO activities in hippocampal tissues and serum of rats, so that the effect of improving the learning and memory capacity of the rats with the model of the vascular dementia to a certain extent is proved, and the pharmaceutical composition can be used for treating the vascular dementia.
Test example 3 test of drug against vascular dementia model at different dose ratios
1 materials of the experiment
1.1 Experimental animals:
SPF male SD rat, 250-280g, was provided by Woods great laboratory animals GmbH, animal license number: SCXK (Chuan) 2015-030, raised at room temperature 22-26 ℃ and ingested with free water.
1.2 drugs and reagents:
himalayan (dihydroergotoxine mesylate tablets), specification: 1 mg/tablet, national drug standard H31021182, Shanghai drug-mail pharmaceutical factory Co., Ltd; MDA, MAO kit, Nanjing to build bioengineering institute. Experiment group a (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 10:5:1 group), experiment group B (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 5:3:1 group), experiment group C (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 1:1:1 group), experiment group D (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 1:3:5 group), experiment group E (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 1:5:10 group), experiment group F (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 1:5:3 group), experiment group G (ginseng: angelica sinensis: sharpleaf galangal fruit ═ 3:5:1 group), and purchased from traditional Chinese medicine houses belonging to hospitals of traditional Chinese medicine universities.
2 method of experiment
2.1 model preparation
Permanently ligating bilateral common carotid arteries of rats by adopting a 2-VO method, separating the bilateral common carotid arteries of a blank group without ligation, injecting 10 ten thousand units of penicillin sodium into each rat per im after operation for resisting infection for 3 days, performing attention to water supplement during operation, performing attention to heat preservation after operation, and freely feeding the rats after one month after the operation for grouped administration.
2.2 grouping and administration
60 model rats SD are divided into a normal control group, a model control group, a positive control group (donepezil hydrochloride tablet), an experiment A group (ginseng: angelica sinensis: sharpleaf galangal fruit-10: 5:1 group), an experiment B group (ginseng: angelica sinensis: sharpleaf galangal fruit-5: 3:1 group), an experiment C group (ginseng: angelica sinensis: sharpleaf galangal fruit-1: 1:1 group), an experiment D group (ginseng: angelica sinensis: sharpleaf galangal fruit-1: 3:5 group), an experiment E group (ginseng: angelica sinensis: sharpleaf galangal fruit-1: 5:10 group), an experiment F group (ginseng: angelica sinensis: sharpleaf galangal fruit-1: 5:3 group) and an experiment G group (ginseng: angelica sinensis: sharpleaf galangal fruit-3: 5:1 group) according to weight layers, the medicines are decocted by a conventional method, concentrated into liquid medicine containing crude medicines of 0.6G/ml, and the animals of each group are administrated by a filling stomach of 1ml/100G day, and (3) feeding distilled water with the same amount to the model control group and the blank control group, continuously feeding the distilled water for 15 days, starting to perform the water maze behavioural test after the 11 th day of the test, performing the positioning navigation test in the first 4 days, and performing the space search test by going to the platform in the 5 th day.
2.3 Morris Water maze test rat learning and memory ability
The same as in test example 2. The results are shown in Table 7.
2.4 rat Hippocampus, determination of serum MDA content, MAO Activity
The same as in test example 2. The results are shown in tables 8 and 9.
3 results of the experiment
3.1 Effect of drugs on spatial search Capacity in mice
Compared with a model control group, each drug treatment group can shorten the escape latency of rats and increase the platform passing times, platform residence time and platform residence distance of the rats within 120s, wherein a positive control group, an experiment C group, an experiment D group, an experiment F group and an experiment G group have statistical significance (p is less than 0.05), an experiment A group, an experiment B group and an experiment E group have no statistical significance, and the results are shown in a table 7.
The experimental results show that the escape latency of the rat can be effectively shortened and the platform passing times, the platform residence time and the platform residence distance of the rat in 120s can be increased under the proportion of the experimental group C, the experimental group D, the experimental group F and the experimental group G, while the escape latency of the rat cannot be shortened under the proportion of the experimental group A, the experimental group B and the experimental group E, and the platform passing times, the platform residence time and the platform residence distance of the rat in 120s cannot be increased.
TABLE 7 Effect on spatial learning and memory of VD model rats
Note: p <0.05 compared to model group; p <0.01.
3.2 Effect on rat Hippocampus tissue, serum MDA content, MAO Activity
Compared with a model control group, the positive control group can obviously reduce the MDA content and the MAO activity (p is less than 0.05) of rat hippocampal tissues, and each drug treatment group has the effect of reducing the MDA content and the MAO activity of the rat hippocampal tissues, wherein the positive control group, the experiment C group and the experiment D group have the most obvious effect (p is less than 0.05) in the experiment F combined experiment G group and have statistical significance, while the experiment A group, the experiment B group and the experiment E group have no statistical significance, and the results are shown in a table 8.
TABLE 8 Effect on rat Hippocampus tissue MDA content, MAO Activity
Note: p <0.05 compared to model group.
Compared with a model control group, the positive control group can obviously reduce the MDA content and the MAO activity of the serum of the rat (p is less than 0.05), each drug treatment group has the effect of reducing the MDA content and the MAO activity of the serum of the rat, wherein the positive control group, the experiment D group and the experiment F combined experiment G group are most obvious (p is less than 0.05) and have statistical significance, and the results are shown in a table 9.
TABLE 9 Effect on rat serum MDA content, MAO Activity
Note: p <0.05 compared to model group; p <0.01.
The above experiments show that: under the condition of the same administration dosage, the formula of the ginseng, the angelica sinensis and the fructus alpiniae oxyphyllae has different degrees of treatment effects on vascular dementia within the range of 1-3: 1-5: 1-3 of the ratio of the ginseng, the angelica sinensis and the fructus alpiniae oxyphyllae, preferably, the ratio of the ginseng, the angelica sinensis and the fructus alpiniae oxyphyllae is 1-3: 5: 1-3 of the ratio of the ginseng, the angelica sinensis and the fructus alpiniae oxyphyllae is further preferably 3:5:1 or 1:5:3 of the ratio of.
From the results, the pharmaceutical composition has a good treatment effect on relieving senile dementia, vascular dementia or mild cognitive impairment, is simple in components, low in cost, simple in preparation process, more suitable for large-scale factory production, and has a wide market application prospect.