Example 1: the composition of the invention has the effects of relieving alcoholism and protecting liver
1. Material
1.1 Experimental animals
The SPF male Kunming mouse has the body mass of 18-20 g, is provided by Guangdong province medical experimental animal center, and has a qualification number: SCXK (Yue) 2013-.
1.2 drugs and reagents
The composition is prepared by taking 100g of kudzuvine root, 100g of hovenia dulcis thunb, 60g of hawthorn, 50g of chrysanthemum and 190g of xylitol, adding 8 times of 50 percent ethanol by volume, carrying out reflux extraction twice for 1 hour each time, filtering, combining the filtrates, concentrating, adding dextrin to prepare extract powder, drying, crushing, adding xylitol, and mixing uniformly. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dosage of mouse is 650mg crude drug/kg, converted according to body surface area, equivalent to 5g crude drug/day for 70kg adult, the crude drug is total amount of radix Puerariae, semen Hoveniae, fructus crataegi, flos Chrysanthemi, and xylitol.
Kudzu root extract: taking 100g of kudzuvine root, adding 50% ethanol with 8 times volume of the kudzuvine root, performing reflux extraction twice, filtering, combining filtrates of the two times, concentrating, adding dextrin and preparing extract powder. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dose of the mouse is 130mg crude drug/kg, which is equivalent to 1g crude drug/day of 70kg adult in terms of body surface area.
The raisin tree seed extract: taking 100g of semen hoveniae, adding 50 percent ethanol with 8 times volume of the semen hoveniae, carrying out reflux extraction twice, filtering, combining the filtrates, concentrating, adding dextrin, and preparing into extract powder. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dose of the mouse is 130mg crude drug/kg, which is equivalent to 1g crude drug/day of 70kg adult in terms of body surface area.
And (3) hawthorn extract: 60g of hawthorn is taken, added with 50 percent ethanol with 8 times of volume and extracted twice under reflux, filtered, the two filtrates are combined, concentrated and added with dextrin to prepare extract powder. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dose of the mouse is 78mg crude drug/kg, which is equivalent to 0.60g crude drug/day of 70kg adult in terms of body surface area.
And (3) chrysanthemum extract: taking 50g of chrysanthemum, adding 50% ethanol with 8 times of volume, carrying out reflux extraction twice, filtering, combining filtrates of the two times, concentrating, adding dextrin, and preparing into extract powder. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dose of the mouse is 65 mg/kg of crude drug, which is equivalent to 0.5 g/day of crude drug of 70kg of adult in terms of body surface area.
Xylitol: during the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The dose of administration to mice was 247mg/kg, which corresponds to 1.9 g/day for a 70kg adult, in terms of body surface area.
Comparative composition 1: taking 100g of kudzuvine root, 100g of hovenia dulcis thunb, 60g of hawthorn and 50g of chrysanthemum, adding 50 percent ethanol with the volume being 8 times of that of the kudzuvine root, refluxing and extracting for two times, each time for 1 hour, filtering, combining the two filtrates, concentrating, adding dextrin and preparing the dextrin into extract powder. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dosage of the mouse is 403mg crude drug/kg, which is equivalent to 3.1g crude drug/day of 70kg adult in terms of body surface area, and the crude drug is the total amount of radix Puerariae, semen Hoveniae, fructus crataegi and flos Chrysanthemi.
Comparative composition 2: taking 100g of kudzuvine root, 100g of hovenia dulcis thunb, 60g of hawthorn, 50g of chrysanthemum, 30g of L-alanine and 40g of L-glutamine, adding 50 percent ethanol with the volume being 8 times of that of the kudzuvine root, refluxing and extracting for two times, each time for 1 hour, filtering, combining the two filtrates, concentrating, adding dextrin to prepare extract powder, crushing, adding the L-alanine and the L-glutamine, and uniformly mixing. During the experiment, normal saline is prepared into solution with corresponding concentration for the mouse to use by gastric lavage. The administration dosage of mouse is 650mg crude drug/kg, converted according to body surface area, equivalent to 5g crude drug/day for 70kg adult, the crude drug is total amount of radix Puerariae, semen Hoveniae, fructus crataegi, flos Chrysanthemi, L-alanine and L-glutamine.
Positive control (Pepp conscious chewable tablet): purchased from shandeshi company. Taking the Pepp sober-minded tablets, grinding, and preparing a solution with a corresponding concentration by using normal saline for gastric lavage of the mice. The mouse dose is 8320mg/kg, converted from body surface area, which is equivalent to 64 g/day (equivalent to 8 times the clinical equivalent dose) for 70kg of adults.
56 degree red star Erguotou (Beijing red star GmbH); absolute ethanol (mao chemical reagents works, Tianjin); 40% acetaldehyde (Chengdu Kelong chemical reagent plant); butanone (Baishi chemical Co., Tianjin); alcohol Dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) kits (Nanjing, Biotechnology Ltd.); alanine Aminotransferase (ALT) kit and aspartate Aminotransferase (AST) kit (Nanjing Biotechnology Co., Ltd.); physiological saline (Kunming Yusi pharmaceutical Co., Ltd.)
1.3 Main instruments
Gas chromatograph: varian CP-3800; a workstation: CTC analytical; a chromatographic column: CP-Wax52CB, Cpsil5CB-2 capillary column; a detector: a FID detector; general UV spectrophotometer for Beijing UV-1 chromatography.
2. Method of producing a composite material
The SPF-grade healthy Kunming mice are randomly divided into 11 groups: a normal control group, a model control group, a composition group of the invention, a radix puerariae extract group, a hovenia dulcis thunb extract group, a hawthorn extract group, a chrysanthemum extract group, a xylitol group, a comparative composition 1 group, a comparative composition 2 group and a positive control group, wherein each group comprises 12 animals. Each group of animals was administered by gavage, and the blank control group and the model control group were given equal volume of distilled water for 1 time/day. 1h after each administration, the mice of other groups except the blank control group are subjected to intragastric administration according to 0.12ml/10g to 56-degree Hongxing Erguotou to cause acute alcoholic liver injury model, and continuous administration and model building are carried out for 6 d. 1.5h after the last molding, 0.5-1 ml of blood is taken from each group of eyeballs, serum is separated by centrifuging at 3000rpm for 10min, the concentration of ethanol and acetaldehyde in the serum is measured by adopting a gas chromatograph, and the AST and ALT activity of the serum is measured according to the operation method of the kit. After the eyeballs are picked and blood is taken, the cervical vertebra is dislocated immediately to kill the mice, 0.5g of fresh liver is taken and added with precooled physiological saline solution to prepare 10% liver tissue homogenate, the homogenate is centrifuged at 3000rpm for 10min, and the supernatant is taken to determine the activity of ADH and ALDH.
The statistical processing method adopts SPSS13.0 statistical software, and data are expressed by mean plus or minus standard deviation
Showing that the comparison among groups adopts one-factor variance analysis, the comparison between two groups is checked by LSD, P<A difference of 0.05 is statistically significant.
3. Results
3.1 Effect of the compositions of the invention on the serum ethanol and acetaldehyde concentration in mice
As can be seen from Table 1, compared with the normal control group, the concentrations of ethanol and acetaldehyde in the serum of the mice in the model group are significantly increased, and the difference has statistical significance (P <0.01), which indicates that the modeling method can successfully cause the significant increase of the concentrations of ethanol and acetaldehyde in the serum of the mice.
Compared with a model control group, the concentration of ethanol and acetaldehyde in the serum of the mice of the composition group is obviously reduced, and the difference has statistical significance (P <0.01), which indicates that the composition can obviously inhibit the absorption of ethanol, promote the metabolism of ethanol and reduce the accumulation of acetaldehyde. Compared with the model control group, the concentrations of ethanol and acetaldehyde in the serum of the mice of the comparison composition 1 group, the comparison composition 2 group and the positive control group are obviously reduced, and the difference has statistical significance (P <0.05 or P < 0.01); the concentration of ethanol and acetaldehyde in mouse serum of the pueraria extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group and the xylitol group is not significantly different from that of the model control group and has no statistical significance (P >0.05), which indicates that the comparison composition 1, the comparison composition 2 and the positive control can significantly inhibit the absorption of ethanol or promote the metabolism of ethanol and reduce the accumulation of acetaldehyde, while the pueraria extract group, the hovenia dulcis thunb extract group, the hawthorn extract, the chrysanthemum extract and the xylitol can not significantly inhibit the absorption of ethanol or promote the metabolism of ethanol and can not reduce the accumulation of acetaldehyde.
Compared with the composition group of the invention, the concentrations of ethanol and acetaldehyde in the serum of mice in the kudzu root extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group, the xylitol group, the comparative composition 1 group and the comparative composition 2 group are obviously higher, and the difference has statistical significance (P <0.05 or P < 0.01); the concentration of ethanol and acetaldehyde in the serum of mice of the positive control group is not significantly different from that of the composition group of the invention (P >0.05), which indicates that the composition of the invention is superior to the pueraria extract, the hovenia dulcis thunb extract, the hawthorn extract, the chrysanthemum extract, the xylitol, the comparative composition 1 and the comparative composition 2 in the aspects of inhibiting ethanol absorption or promoting ethanol metabolism and reducing the accumulation of acetaldehyde, and is equivalent to the positive control.
3.2 Effect of the compositions of the invention on the serum AST and ALT Activity in mice
As can be seen from Table 2, compared with the normal control group, the serum AST and ALT activities of the mice in the model group are obviously increased, and the difference has statistical significance (P <0.01), which indicates that the modeling method can successfully cause the liver function damage of the mice.
Compared with a model control group, the mouse serum AST and ALT activities of the composition group are obviously reduced, and the difference has statistical significance (P <0.01), which indicates that the composition can obviously inhibit the liver function damage caused by alcohol. Compared with the model control group, the AST and ALT activities in the blood serum of the mice of the control composition 1 group, the control composition 2 group and the positive control group are obviously reduced, and the difference has statistical significance (P <0.05 or P < 0.01); the AST and ALT activities in the mouse serum of the radix puerariae extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group and the xylitol group are not obviously different from those of the model control group, and have no statistical significance (P >0.05), so that the comparison composition 1, the comparison composition 2 and the positive control can obviously inhibit the liver function damage caused by alcohol, and the radix puerariae extract group, the hovenia dulcis thunb extract group, the hawthorn extract, the chrysanthemum extract and the xylitol can not obviously inhibit the liver function damage caused by alcohol.
Compared with the composition group of the invention, the mouse serum AST and ALT activities of the radix puerariae extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group, the xylitol group, the comparative composition 1 group, the comparative composition 2 group and the positive control group are obviously higher, and the difference has statistical significance (P <0.05 or P <0.01), which indicates that the composition of the invention is superior to the radix puerariae extract, the hovenia dulcis thunb extract, the hawthorn extract, the chrysanthemum extract, the xylitol, the comparative composition 1, the comparative composition 2 and the positive control in the aspect of inhibiting the liver function damage caused by alcohol.
3.3 Effect of the compositions of the invention on ADH and ALDH activity in mouse liver
As can be seen from Table 3, compared with the normal control group, the ADH and ALDH activities in the mouse livers of the model group are significantly reduced, and the difference has statistical significance (P <0.01), which indicates that the modeling method can successfully cause the reduction of the metabolic capability of the mouse livers to ethanol and acetaldehyde.
Compared with a model control group, the activity of ADH and ALDH in the liver of a mouse of the composition group is obviously improved, and the difference has statistical significance (P <0.01), so that the composition can obviously improve the activity of ADH and ALDH in the liver and obviously promote the metabolism of the liver to ethanol and acetaldehyde. The ADH and ALDH activity was significantly increased in the livers of mice of the control composition 1 group and the control composition 2 group compared to the model control group, the difference being statistically significant (P <0.05 or P < 0.01); the activities of ADH and ALDH in mouse livers of the kudzu root extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group, the xylitol group and the positive control group are not obviously different from those of the model control group and have no statistical significance (P >0.05), which indicates that the comparative composition 1 and the comparative composition 2 can obviously improve the activities of ADH and ALDH in livers and obviously promote the metabolism of alcohol and acetaldehyde by livers, while the kudzu root extract group, the hovenia dulcis thunb extract group, the hawthorn extract, the chrysanthemum extract, xylitol and the positive control group cannot obviously improve the activities of ADH and ALDH in livers and cannot obviously promote the metabolism of alcohol and acetaldehyde by livers.
Compared with the composition group of the invention, the mouse livers of the pueraria extract group, the hovenia dulcis thunb extract group, the hawthorn extract group, the chrysanthemum extract group, the xylitol group, the comparative composition 1 group, the comparative composition 2 group and the positive control group have obviously lower ADH and ALDH activities, and the difference has statistical significance (P <0.05 or P <0.01), which indicates that the composition of the invention is superior to the pueraria extract, the hovenia dulcis thunb extract, the hawthorn extract, the chrysanthemum extract, xylitol, the comparative composition 1, the comparative composition 2 and the positive control in improving the ADH and ALDH activities in the livers and promoting the metabolism of the livers to ethanol and acetaldehyde.
TABLE 1 mouse serum ethanol, acetaldehyde content
Note: compared with the normal control group, the composition has the advantages that,**p<0.01; compared with the model control group,#p<0.05,##p<0.01; in comparison with the composition group of the present invention,△p<0.05,△△p<0.01。
TABLE 2 mouse serum AST and ALT Activity
Note: compared with the normal control group, the composition has the advantages that,**p<0.01; compared with the model control group,#p<0.05,##p<0.01; in comparison with the composition group of the present invention,△p<0.05,△△p<0.01。
TABLE 3 mouse liver tissue ADH and ALDH Activity
Note: compared with the normal control group, the composition has the advantages that,**p<0.01; compared with the model control group,#p<0.05,##p<0.01; in comparison with the composition group of the present invention,△p<0.05,△△p<0.01。
4. summary of the invention
At the dosage of the embodiment, the composition of the invention can significantly inhibit the absorption of ethanol or promote the metabolism of ethanol and reduce the accumulation of acetaldehyde, and the composition of the invention is superior to pueraria extract, hovenia dulcis thunb extract, hawthorn extract, chrysanthemum extract, xylitol, comparative composition 1 and comparative composition 2 in terms of inhibiting the absorption of ethanol or promoting the metabolism of ethanol and reducing the accumulation of acetaldehyde, and is equivalent to a positive control; the composition can obviously inhibit liver function damage caused by alcohol, and is superior to kudzu root extract, hovenia dulcis thunb extract, hawthorn extract, chrysanthemum extract, xylitol, comparative composition 1, comparative composition 2 and positive control in inhibiting liver function damage caused by alcohol; the composition can obviously improve the activity of ADH and ALDH in the liver and promote the metabolism of the liver to ethanol and acetaldehyde, and is superior to kudzu root extract, hovenia dulcis thunb extract, hawthorn fruit extract, chrysanthemum extract, xylitol, comparative composition 1, comparative composition 2 and positive control in the aspects of improving the activity of ADH and ALDH in the liver and promoting the metabolism of the liver to ethanol and acetaldehyde.