CN105982946A - Preparation method and medicinal use of Pterocarpus santalinus antitumor extract and composition thereof - Google Patents

Preparation method and medicinal use of Pterocarpus santalinus antitumor extract and composition thereof Download PDF

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CN105982946A
CN105982946A CN201510081022.XA CN201510081022A CN105982946A CN 105982946 A CN105982946 A CN 105982946A CN 201510081022 A CN201510081022 A CN 201510081022A CN 105982946 A CN105982946 A CN 105982946A
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methanol
dichloromethane
extract
volume ratio
mixed solvent
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王金辉
黄健
李理
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Shenyang Pharmaceutical University
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Shenyang Pharmaceutical University
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Abstract

The invention belongs to the technical field of medicines, and concretely relates to a preparation method of a Uygur medicine Pterocarpus santalinus antitumor extract and a composition thereof, and a use of the extract in prevention and treatment of brain glioma, breast cancer, lung cancer, stomach cancer, colorectal carcinoma, pancreas cancer, cervical carcinoma, liver cancer and other malignant tumors. The preparation method of the extract comprises the following steps: carrying out ultrasonic extraction on the Uygur medicine Pterocarpus santalinus with an organic solvent, concentrating the above obtained extract liquid, carrying out silica gel separation, eluting a sample introduced silica gel column with a dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:4, continuously eluting the column with a dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:14, and drying an eluate obtained through elution with the dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:14 in order to obtain the extract; or eluting the column with a dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:25, continuously eluting the column with a dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:100, and drying an eluate obtained through elution with the dichloromethane and methanol mixed solvent with the volume ratio of dichloromethane to methanol of 100:100 in order to obtain the extract.

Description

Preparation method and medical application of pterocarpus santalinus antitumor extract and composition thereof
Technical Field
The invention belongs to the technical field of medicines, and particularly relates to a preparation method of an anti-tumor extract of Wiygur medicine santalum album and a composition thereof, and application of the anti-tumor extract in preparation of drugs for preventing and treating malignant tumors such as liver cancer, lung cancer, stomach cancer, colon cancer, pancreatic cancer, breast cancer, cervical cancer, brain glioma and the like.
Background
The product is Pterocarpus santalinus of Leguminosae. The rosewood is one of the most famous and precious wood in the world, is mainly produced in tropical areas of the Nanyang Islands, and is rare due to rare quantity and few people, so that the rosewood is valued by the people. According to the history, rosewood is produced mainly in tropical regions of the Nanyang Islands, and in the southeast Asia. Rosewood is also produced in Guangdong and Guangxi of China, but the quantity is small. Pterocarpus santalinus, also called as pterocarpus santalinus, is the most precious wood known at present and is the highest grade of the pterocarpus santalinus. Pterocarpus indicus has the main functions of relieving swelling, stopping bleeding and relieving pain. It is indicated for swelling and toxin, bleeding due to incised wound.
However, the effective components of the pterocarpus santalinus for resisting tumors are not clear, and the invention discovers that the pterocarpus santalinus also has good effects of preventing and treating malignant tumors such as breast cancer, cervical cancer, liver cancer, lung cancer, gastric cancer, colon cancer, pancreatic cancer, brain glioma and the like by systematically screening and researching the antitumor activity of the pterocarpus santalinus, and can be applied to the prevention and treatment of cancers.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a santalum album extract.
The invention also provides a composition taking the pterocarpus santalinus extract as a main active ingredient.
The invention also provides preparation of the pterocarpus santalinus extract and the composition thereof and application of the pterocarpus santalinus extract and the composition thereof in preparing antitumor drugs.
The invention is realized by the following technical scheme:
ultrasonic extracting Uyghur medicine lignum Pterocarpi Indici with methanol, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: methanol-100: 0-0:100 mixed solvent gradient elution (dichloromethane: methanol, ratio see table 1), each dichloromethane: the methanol is mixed with solvent eluent in proportion, concentrated and dried, and then the antitumor activity of the eluent is tested by using an in vitro antitumor activity screening system, and the following unexpected findings are carried out by using dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:0-100:4, volume ratio) followed by elution with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:5-100:14, volume ratio) elution, dichloromethane: after the methanol eluent is dried at the ratio of 100:5-100:14, the antitumor activity is remarkable. Preferably, the reaction is first carried out with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) was eluted, followed by methanol: methanol mixed solutionAgent (dichloromethane: methanol, 100:14, volume ratio) elution, dichloromethane: drying the eluent with the ratio of 100:14 of methanol to obtain the product. The compound with antitumor activity can be enriched by the method, so that the compound is separated from other impurity components. The active extract is not reported in the literature, and the TLC analysis characterization of eluent of 100:5-100:14 is shown in figure 1, and the TLC analysis conditions are as follows: GF254Silica gel board, development system: petroleum ether: ethyl acetate: acetone (6:1:1), color development method: and (4) developing the color by vanillin-concentrated sulfuric acid.
Ultrasonic extracting Uyghur medicine lignum Pterocarpi Indici with methanol, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: methanol-100: 0-0:100 mixed solvent gradient elution (dichloromethane: methanol, ratio see table 1), each dichloromethane: the methanol is mixed with solvent eluent in proportion, concentrated and dried, and then the antitumor activity of the eluent is tested by using an in vitro antitumor activity screening system, and the following unexpected findings are carried out by using dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) was eluted, followed by methanol: methanol mixed solvent (dichloromethane: methanol, 100:30-100:100, volume ratio) elution, dichloromethane: after the methanol 100:100 eluent is dried, the antitumor activity is remarkable. Preferably, the reaction is first carried out with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) was eluted, followed by methanol: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) elution, dichloromethane: and (5) drying the eluent with the methanol ratio of 100:100 to obtain the product. The compound with antitumor activity can be enriched by the method, so that the compound is separated from other impurity components. The active extract has not been reported in the literature, and the TLC analysis of the active extract is characterized as shown in figure 2, and the TLC analysis conditions are as follows: GF254Silica gel board, development system: petroleum ether: ethyl acetate: acetone (1:1:1), color development method: and (4) developing the color by vanillin-concentrated sulfuric acid.
Specifically, the discovery process is as follows:
1. preparation of ultrasonic methanol extract of Wiygur medicinal lignum Pterocarpi Indici
Taking 20g of Uygur medicine sandalwood, ultrasonically extracting for 15min by 100ml of methanol, and concentrating an extracting solution to obtain an extract SN 0204A: 1.5691g, left sample: 0.0796g and 0.0752 g.
2. Dichloromethane-methanol mixed solvent gradient elution method and results
Taking 20g of Uygur medicine sandalwood, ultrasonically extracting for 15min by 100ml of methanol, and concentrating an extracting solution to obtain an extract SN 0204A: 1.5691g, left sample: 0.0796g and 0.0752 g. Column mounting: dissolving with methanol, mixing with silica gel 2g, mixing with blank silica gel 10g, eluting with a glass column with inner diameter of 2.0cm, and eluting with dichloro-methanol system with column volume of 25ml and gradient elution of 200 ml. Obtaining eluates of the eluates at different concentrations, and recovering solvent to obtain dichloromethane-methanol gradient elution extract, shown in Table 1, with TLC analysis results shown in FIG. 3 and FIG. 4, and TLC analysis conditions: GF254Silica gel board, development system: petroleum ether: ethyl acetate: acetone (6:1:1), petroleum ether: ethyl acetate: acetone (1:1:1), color development method: and (4) developing the color by vanillin-concentrated sulfuric acid.
TABLE 1
Dichloromethane methanol Volume (mL) Numbering Weight (mg)
100:00 200 SN0204A01 1.6
100:01 200 SN0204A02 1.2
100:02 200 SN0204A03 10.1
100:03 200 SN0204A04 12.8
100:04 200 SN0204A05 10.5
100:05 200 SN0204A06 38
100:06 200 SN0204A07 38.6
100:08 200 SN0204A08 10.7
100:10 200 SN0204A09 9.9
100:12 200 SN0204A10 6.5
100:14 200 SN0204A11 11
100:17 200 SN0204A12 23.1
100:20 200 SN0204A13 44.8
100:25 200 SN0204A14 67.2
100:30 200 SN0204A15 32.2
100:50 200 SN0204A16 35.5
100:100 200 SN0204A17 37
0:100 200 SN0204A18 317.1
Pure methanol 200 SN0204A19 297.6
3. Screening method and results for antitumor Activity
1) Conditions of the experiment
a) Information on cell lines
Rat glioma C6 was purchased from China center for type culture Collection cell Bank
b) Medicine and reagent
Under the aseptic condition of the sample, DMSO is dissolved to prepare a mother solution with the concentration of 100mg/mL, and when the sample is used, the mother solution is diluted to the required concentration (DMSO is less than or equal to 1 per thousand) by using an RPMI-1640 culture solution.
RPMI Medium 1640 Medium was purchased as dry powder from GIBCO, USA. Fetal bovine serum was purchased from the institute of biotechnology, yohima, beijing. Trypsin 1:250 and dimethyl diphenyl tetrazole bromide (MTT).
c) Instrument for measuring the position of a moving object
CO2Incubator (SANYO, Japan)
Vertical laminar flow clean bench (Shanghai clean and clean equipment Co., Ltd.)
Inverted biological microscope (Chongqing photoelectric instrument Co., Ltd.)
Low/high speed desk centrifuge (Shanghai' an pavilion scientific instrument factory)
Electronic balance (Aohaus instrument Co., Ltd.)
Enzyme mark instrument (Bole life medical products Co., Ltd.)
Vertical pressure steam sterilizer (Shanghai Shenan medical equipment factory)
Air-blast drying cabinet (Shanghai Yuejin medical equipment factory)
PH meter (SARTORIUS, Germany)
2) Experimental methods and procedures
Rat glioma C6 was plated at 4000/well density in 96-well plates, 100ul per well, and used 12h later. The components are dissolved in DMSO to be 100mg/mL stock solution and stored at-20 ℃ for later use. 12h after plating, the cell confluence rate was observed to be about 40%, and the drugs were added at concentrations of 100. mu.g/mL, 3 duplicate wells per fraction. Two control groups (medium + cells; medium + cells with 0.1% DMSO), 3 blank wells (medium only) were set up per plate of cells. After 24 hours of drug addition, 20. mu.l of tetramethylazozole salt chemically named 3- (4, 5-dimethylthiazole) -2, 5-diphenyltetrazolium bromide (3- (4, 5-dimethyl-2-thiazolyl) -2,5-diphenyl-tetrazolium bromide, MTT) was added and the culture was continued for 4 hours. The supernatant was completely discarded, 100. mu.l DMSO was added, and MTT was dissolved and bubbled. OD was measured at 490 nm.
3) Results of the experiment
TABLE 2
As a result, it was found that: the preferred technical scheme of the invention is as follows: ultrasonic extracting Uyghur medicine lignum pterocarpi indici with methanol, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) was eluted, followed by methanol: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) elution, dichloromethane: recovering organic solvent from the methanol 100:14 eluate, and drying to obtain high activity extract, i.e. the anti-tumor extract. The active extract has not been reported in the literature, and the TLC analysis of the active extract is characterized as shown in figure 1.
Ultrasonic extracting Uyghur medicine lignum pterocarpi indici with methanol, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) was eluted, followed by methanol: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) elution, dichloromethane: eluting with methanol 100:100, recovering organic solvent, and drying to obtain high activity extract, i.e. the anti-tumor extract. The active extract has not been reported in the literature, and the TLC analysis of the active extract is characterized as shown in figure 2.
4. Research on extraction method of anti-tumor extract
1) Species study of extraction solvent
Extracting with organic solvent such as methanol, ethanol, acetone, chloroform, ethyl acetate, methanol-water mixed solvent, and ethanol-water mixed solvent, respectively, and testing the extract for anti-tumor activity against C6 cells, the results are as follows:
TABLE 3
The research result shows that: the organic solvent for extraction may be methanol, ethanol, acetone, chloroform, ethyl acetate, methanol-water mixed solvent, or ethanol-water mixed solvent.
2) Research on the amount of extraction solvent
The extracts were extracted with 1, 2,5, 10, 20, 30, 40, 50-fold (weight/volume ratio) organic solvent, respectively, and tested for anti-tumor activity against C6 cells, and the results were as follows:
TABLE 4
The organic solvent for extracting the extract accounts for 2-50 times of the weight of the medicinal materials (weight/volume ratio).
3) Examination of drying method
The obtained antitumor active extract is dried by methods such as a vacuum drying method, a freeze drying method, an air-blast drying method, a centrifugal drying method, a rotary evaporation drying method and the like respectively, and the vacuum drying method, the freeze drying method, the air-blast drying method, the centrifugal drying method and the rotary evaporation drying method are found to be suitable for drying the antitumor active extract of the C6 cells by taking the water content, TLC and activity tests as indexes, wherein the vacuum drying method and the freeze drying method are most preferred.
TABLE 5
Sample 20g Vacuum drying method Freeze drying method Air-blast drying method Centrifugal drying method Rotary evaporation drying method
Water content (%) 7.9 8.9 10.7 13.5 10.0
Inhibition ratio (%) 44.2 33.4 24.8 21.8 35.9
Preferably, the preparation method of the pterocarpus santalinus antitumor extract comprises the following steps:
ultrasonic extracting Uyghur medicine lignum pterocarpi indici with organic solvent, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: elution with a methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) was 2-50 column volumes, followed by elution with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) elutes 2-50 times column volume. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and drying to obtain the extract. The optimal method comprises the following steps of firstly using dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) was eluted 10 column volumes, followed by a column volume of dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 15 column volumes. Wherein,
1) the solvent for extracting extract can be methanol, ethanol, acetone, chloroform, ethyl acetate, methanol-water mixed solvent, or ethanol-water mixed solvent, preferably methanol and 95% ethanol. The organic solvent for extracting the extract accounts for 2-50 times of the weight of the medicinal materials (weight/volume ratio).
2) The extract drying method can be vacuum drying method, freeze drying method, forced air drying, centrifugal drying, rotary evaporation drying method, etc., preferably vacuum drying method and freeze drying method.
Ultrasonic extracting Uyghur medicine lignum Pterocarpi Indici with methanol, concentrating the extractive solution, separating with silica gel column, loading to silica gel column, extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 2-50 column volumes, followed by a column volume of dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) elution 2-50 times column volume. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and drying to obtain the extract. The above conditions are optimally determined by firstly using dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) was eluted 10 column volumes, followed by a column volume of dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 15 column volumes. Wherein,
1) the solvent for extracting extract can be methanol, ethanol, water, acetone, chloroform, ethyl acetate, methanol-water mixed solvent, or ethanol-water mixed solvent, preferably methanol and 95% ethanol. The organic solvent for extracting the extract accounts for 2-50 times of the weight of the medicinal materials (weight/volume ratio).
2) The extract drying method can be vacuum drying method, freeze drying method, forced air drying, centrifugal drying, rotary evaporation drying method, etc., preferably vacuum drying method and freeze drying method.
5. Research on antitumor activity of lignum pterocarpi indici antitumor extract (obtained by eluting with dichloromethane: methanol 100:25 and then with dichloromethane: methanol 100: 100) was performed
Respectively testing antitumor activity and IC of lignum Pterocarpi Indici antitumor extract with various tumor cells, such as brain glioma, breast cancer, lung cancer, gastric cancer, colon cancer, pancreatic cancer, cervical cancer, and hepatocarcinoma50The results are as follows:
TABLE 6
Therefore, we find that the lignum pterocarpi indici anti-tumor extract has anti-tumor activity and is expected to be used for preventing and treating various tumors such as breast cancer, lung cancer, gastric cancer, colon cancer, pancreatic cancer, cervical cancer, brain glioma, liver cancer and other malignant tumor cell strains.
6. Research on composition of anti-tumor extract of pterocarpus santalinus and preparation method thereof
1) Solid dispersion
Prescription
The preparation method comprises the following steps:
weighing the santalum album extract and a carrier polyvinylpyrrolidone (PVP) according to the mass ratio of 1:2, 1:4 and 1:6, respectively putting the materials into a beaker, adding absolute ethyl alcohol, stirring by a magnetic stirrer until the santalum album extract and the carrier are completely dissolved, transferring into a rotary steaming instrument to remove an organic solvent, drying, crushing, and sieving by a 80-mesh sieve to obtain the PVP inclusion compound of the santalum album extract.
2) Cyclodextrin inclusion compounds
Prescription:
the preparation method comprises the following steps:
grinding beta-cyclodextrin and 1-5 times of water uniformly, adding the santalum album extract (the water-insoluble one should be dissolved in a small amount of organic solvent at first) and fully grinding to paste, and drying at low temperature to obtain the final product.
3) The prescription of the dispersible tablet is as follows:
the preparation method comprises the following steps:
1. preparing a starch dispersion of the santalum album extract, precisely weighing the santalum album extract, adding a proper amount of sodium dodecyl sulfate, dissolving the sodium dodecyl sulfate in 70% ethanol, adding soluble starch in equal proportion, uniformly mixing, evaporating to dryness at the temperature of 70 ℃, crushing, and sieving by a 100-mesh sieve;
2. weighing the formula amount, namely the santalum album extract starch dispersoid, the crospovidone and the pregelatinized starch, using 70% ethanol as a wetting agent, adding while stirring, preparing wet granules, sieving with a 14-mesh sieve, standing at room temperature for 15min, drying in an oven at 60 ℃ for 45min, grading with a 16-mesh sieve, adding talcum powder and silica gel, mixing uniformly, and tabletting.
7. Research on detection method of anti-tumor extract of lignum pterocarpi indici
We found that the characteristics of the anti-tumor extract of santalum album can be well detected and labeled by thin layer chromatography, see fig. 1 and fig. 2.
The concrete conditions are as follows: GF254Silica gel board, development system: petroleum ether: ethyl acetate: acetone (6:1:1), petroleum ether: ethyl acetate: acetone (1:1:1), color development method: vanillin-concentrated sulfuric acid color development
Description of the drawings:
FIG. 1 TLC chromatogram of active extract of lignum Pterocarpi Indici;
FIG. 2 TLC chromatogram of active extract of lignum Pterocarpi Indici;
FIG. 3 TLC chromatogram of chemical components obtained from Pterocarpus santalinus;
FIG. 4 TLC chromatogram of the chemical components obtained from Pterocarpus santalinus.
Detailed Description
The following examples illustrate the utility of the invention, which is not limited thereby.
Example 1:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml methanol for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluent, and vacuum drying to obtain the extract. The yield thereof was found to be 0.57%.
Example 2:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluate, and freeze drying to obtain the extract. The yield thereof was found to be 0.48%.
Example 3:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml acetone for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100: and (14) recovering the organic solvent from the eluent, and performing forced air drying to obtain the extract. The yield thereof was found to be 0.43%.
Example 4:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml of chloroform for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluent, and centrifugally drying to obtain the extract. The yield thereof was found to be 0.36%.
Example 5:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethyl acetate for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluent, and rotary steaming and drying to obtain the extract. The yield thereof was found to be 0.46%.
Example 6:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml methanol-water mixed solvent (methanol: water 1:1) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluate, and freeze drying to obtain the extract. The yield thereof was found to be 0.51%.
Example 7:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol-water mixed solvent (ethanol: water 1:1) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluent, and vacuum drying to obtain the extract. The yield thereof was found to be 0.47%.
Example 8:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol-water mixed solvent (ethanol: water: 90:10) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:4, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:14, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:14 recovering organic solvent from the eluate, and freeze drying to obtain the extract. The yield thereof was found to be 0.53%.
Example 9:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml methanol for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and drying in vacuum to obtain the extract. The yield thereof was found to be 0.52%.
Example 10:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100: recovering organic solvent from the eluent 100, and freeze-drying to obtain the extract. The yield thereof was found to be 0.47%.
Example 11:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml acetone for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and drying by blowing air to obtain the extract. The yield thereof was found to be 0.42%.
Example 12:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml of chloroform for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and centrifugally drying to obtain the extract. The yield thereof was found to be 0.41%.
Example 13:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethyl acetate for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and carrying out rotary evaporation and drying to obtain the extract. The yield thereof was found to be 0.44%.
Example 14:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml methanol-water mixed solvent (methanol: water 1:1) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100: recovering organic solvent from the eluent 100, and freeze-drying to obtain the extract. The yield thereof was found to be 0.46%.
Example 15:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol-water mixed solvent (ethanol: water 1:1) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100:100, recovering the organic solvent from the eluent, and drying in vacuum to obtain the extract. The yield thereof was found to be 0.47%.
Example 16:
ultrasonic extracting 20g of Uyghur medicine lignum Pterocarpi Indici with 100ml ethanol-water mixed solvent (ethanol: water: 90:10) for 15min, concentrating the extractive solution, separating with silica gel column, loading to silica gel column (2.0cm inner diameter column), extracting with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:25, volume ratio) eluted 15 column volumes, followed by a reaction with dichloromethane: methanol mixed solvent (dichloromethane: methanol, 100:100, volume ratio) eluted 20 column volumes. Dichloromethane: methanol 100: recovering organic solvent from the eluent 100, and freeze-drying to obtain the extract. The yield thereof was found to be 0.50%.
Example 17: solid dispersion
Weighing the santalum album extract and a carrier polyvinylpyrrolidone (PVP) according to the mass ratio of 1:2, 1:4 and 1:6, respectively putting the materials into a beaker, adding absolute ethyl alcohol, stirring by a magnetic stirrer until the santalum album extract and the carrier are completely dissolved, transferring into a rotary steaming instrument to remove an organic solvent, drying, crushing, and sieving by a 80-mesh sieve to obtain the PVP inclusion compound of the santalum album extract.
Example 18: cyclodextrin inclusion compounds
Grinding beta-cyclodextrin and 1-5 times of water uniformly, adding the santalum album extract (the water-insoluble one should be dissolved in a small amount of organic solvent at first) and fully grinding to paste, and drying at low temperature to obtain the final product.
Example 19: dispersible tablet
1. Weighing dried lignum Pterocarpi Indici extract, adding appropriate amount of sodium dodecyl sulfate, dissolving with 70% ethanol, adding water soluble starch and lignum Pterocarpi Indici extract (1: 1), stirring, mixing, drying at 70 deg.C, pulverizing, and sieving with 100 mesh sieve to obtain lignum Pterocarpi Indici extract dispersoid.
2. Precisely weighing the prescription amount, the santalum album extract dispersoid, the crospovidone and the compressible starch, using 70% ethanol as a wetting agent, stirring while adding, preparing wet granules by a 14-mesh sieve, standing for 15min at room temperature, drying for 45min in an oven at 70 ℃, granulating by a 16-mesh sieve, adding talcum powder and silica gel, mixing uniformly, and tabletting.

Claims (10)

1. An Uyghur medicine pterocarpus santalinus extract is characterized in that Uyghur medicine pterocarpus santalinus is subjected to ultrasonic extraction through an organic solvent, an extracting solution is concentrated and then is separated through a silica gel column, and a silica gel column after sample loading is firstly prepared by using dichloromethane with the volume ratio of 100:0-100: 4: eluting with a methanol mixed solvent, and then adding dichloromethane with the volume ratio of 100:5-100: 14: methanol mixed solvent elution, dichloromethane: methanol 100:5-100:14 drying the eluent to obtain the extract, or firstly adding dichloromethane with the volume ratio of 100: 25: eluting with a methanol mixed solvent, and then adding dichloromethane with the volume ratio of 100:30-100: methanol mixed solvent elution, dichloromethane: methanol 100:5-100:14 drying the eluent to obtain the extract.
2. The extract of santalum album of claim 1, wherein the organic solvent for extraction is methanol, ethanol, acetone, chloroform, ethyl acetate, methanol-water mixture or ethanol-water mixture, preferably methanol or 95% ethanol, and the amount of the organic solvent for extraction is 2-50 times (weight/volume ratio) the weight of the herbs.
3. The Uygur medicine lignum pterocarpi indici extract of claim 1, wherein the amount of the eluent is 2-50 column volumes.
4. The Uyghur medicine santalum album extract of claim 1, wherein the extract is prepared by first mixing dichloromethane in a volume ratio of 100: 4: methanol elution 10 column volumes followed by dichloromethane at a volume ratio of 100: 14: methanol eluted 15 column volumes.
5. The Uyghur medicine santalum album extract of claim 1, wherein the extract is prepared by first mixing dichloromethane in a volume ratio of 100: 25: methanol elution 10 column volumes followed by dichloromethane at a volume ratio of 100: methanol eluted 15 column volumes.
6. A pharmaceutical composition comprising the santalum album extract of any one of claims 1-5 and a pharmaceutically acceptable carrier.
7. A pharmaceutical preparation comprising the santalum album extract according to any one of claims 1-5 or the pharmaceutical composition according to claim 6.
8. The pharmaceutical formulation of claim 7, wherein the formulation is a solid dispersion, a cyclodextrin inclusion complex, a dispersible tablet.
9. Use of the extract of any one of claims 1 to 5, the composition of claim 6 or the pharmaceutical formulation of claim 7 for the preparation of an anti-tumor medicament, wherein the tumor is brain glioma, breast cancer, lung cancer, stomach cancer, colon cancer, pancreatic cancer, cervical cancer or liver cancer.
10. The extract of santalum album of any of claims 1-5, wherein the chromatography conditions, as determined by TLC, are: GF254Silica gel board, development system: petroleum ether: ethyl acetate: acetone (6:1:1), petroleum ether: ethyl acetate: acetone (1:1:1), color development method: and (4) developing the color by vanillin-concentrated sulfuric acid.
CN201510081022.XA 2015-02-15 2015-02-15 Preparation method and medicinal use of Pterocarpus santalinus antitumor extract and composition thereof Pending CN105982946A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109060809A (en) * 2018-08-28 2018-12-21 西藏民族大学 A kind of Tibet red sandalwood quality standard and its detection method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101637484A (en) * 2009-09-08 2010-02-03 青海大学 Active extract for sanwei sandalwood as well as extraction method and medical application thereof
CN102219782A (en) * 2011-05-18 2011-10-19 华南农业大学 Method for extracting and separating viterxin and isovitexin from natural product

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101637484A (en) * 2009-09-08 2010-02-03 青海大学 Active extract for sanwei sandalwood as well as extraction method and medical application thereof
CN102219782A (en) * 2011-05-18 2011-10-19 华南农业大学 Method for extracting and separating viterxin and isovitexin from natural product

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109060809A (en) * 2018-08-28 2018-12-21 西藏民族大学 A kind of Tibet red sandalwood quality standard and its detection method

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