阅读说明：本技术 藏茵陈提取物及其制备方法 (Tibetan capillary artemisia extract and preparation method thereof ) 是由 杨旭锦 许庆东 于 2020-06-12 设计创作，主要内容包括：本发明公开了一种藏茵陈提取物,包含：獐牙菜苦苷、当药醇苷、齐墩果酸等。本发明的藏茵陈提取物含有高浓度的藏茵陈有效物质。本发明公开了一种藏茵陈提取物的提取方法,包括：步骤一、将纳米壳聚糖和纳米二氧化硅置于乙醇水溶液中煮沸,过滤,烘干得助提剂；步骤二、将藏茵陈粉碎,回软,加入乙醇水溶液和助提剂并搅拌；步骤三、超声处理,过滤得第一滤液和第一滤渣；步骤四、向第一滤渣中加入乙醇水溶液,减压蒸馏,得馏出液和馏下物；步骤五、向馏下物加入乙醇水溶液,减压煮沸,过滤得第二滤液和第二滤渣；步骤六、合并第一滤液、馏出液、第二滤液,干燥得藏茵陈提取物。本方法具有提高藏茵陈提取物中有效物质含量的有益效果。(The invention discloses a Tibetan capillaris extract, comprising: swertiamarin, oleanolic acid, etc. The Tibetan capillary artemisia extract disclosed by the invention contains high-concentration Tibetan capillary artemisia effective substances. The invention discloses an extraction method of Tibetan capillaris extract, which comprises the following steps: step one, placing nano chitosan and nano silicon dioxide in an ethanol water solution for boiling, filtering and drying to obtain an extraction aid; step two, crushing Tibetan capillary wormwood, softening, adding an ethanol water solution and an extraction aid, and stirring; step three, carrying out ultrasonic treatment, and filtering to obtain a first filtrate and a first filter residue; step four, adding an ethanol water solution into the first filter residue, and distilling under reduced pressure to obtain a distillate and a distillate; adding an ethanol water solution into the distillate, boiling under reduced pressure, and filtering to obtain a second filtrate and a second filter residue; and step six, combining the first filtrate, the distillate and the second filtrate, and drying to obtain the Tibetan capillaris extract. The method has the beneficial effect of improving the content of effective substances in the Tibetan capillary artemisia extract.)

1. The Tibetan capillary artemisia extract is characterized by comprising the following substances in percentage by mass: 6-10% of swertiamarin, 3-5% of swertiamarin, 1-2% of oleanolic acid and 1-2% of 1-hydroxy-3, 4, 5-trimethoxyxanthone.

2. The method of claim 1, comprising the steps of:

step one, preparing an extraction aid: placing nano chitosan and nano silicon dioxide in an ethanol water solution with the mass fraction of more than 90 percent, boiling for more than 2 hours, filtering, and drying to obtain an extraction aid;

step two, crushing Tibetan capillaris, softening for 4-6 hours under the conditions that the humidity is more than 90% and the temperature is 35-45 ℃, adding ethanol water solution with the mass fraction of 40-60% of the Tibetan capillaris more than 5 times, adding extraction aid prepared in the step one with the mass of 0.1-0.2 time of the Tibetan capillaris, then placing at the temperature of 0 ℃, and then stirring for 30-50 minutes at the rotating speed of more than 500r/min to obtain a semi-cured mixture;

thirdly, placing the mixture obtained in the second step under the conditions that the temperature is 35-45 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 40-60 min, and filtering to obtain a first filtrate and a first filter residue;

step four, adding ethanol water with the mass fraction of 70-80% which is more than 5 times of the mass of the first filter residue into the first filter residue, and carrying out reduced pressure distillation to obtain distillate and distillate;

step five, adding more than 5 times of ethanol water with the mass fraction of the distilled substances being less than 10% into the distilled substances in the step four, boiling for 1-2 hours under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

and step six, mixing the first filtrate, the distillate and the second filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

3. The method for extracting Tibetan capillaris extract as claimed in claim 2, wherein in the first step, the particle size of nano chitosan and nano silicon dioxide is 20-80 nm and 30-50 nm respectively.

4. The method of claim 2, wherein in step two, the particle size of the Tibetan capillaris is reduced to less than 100 meshes by using an ultra-fine pulverization method.

5. The method for extracting an extract of Tibetan capillary artemisia as claimed in claim 2, wherein the vacuum degree of the vacuum distillation in the fourth step is 0.15 MPa.

6. The method of extracting a Tibetan capillary artemisia as claimed in claim 2, wherein the degree of vacuum during the boiling under reduced pressure in the fifth step is 0.5 MPa.

7. The method for extracting Tibetan capillaris extract as claimed in claim 2, wherein the temperature of drying in the sixth step is 35-45 ℃.

8. The method for extracting the Tibetan capillary artemisia extract as claimed in claim 2, wherein the humidity in the second step is 95%, the mass fraction of the ethanol aqueous solution is 50%, the mass of the extraction aid is 0.2 times of that of the Tibetan capillary artemisia, the stirring speed is 800r/min, and the stirring time is 30 min.

Technical Field

The invention relates to the field of traditional Chinese medicine extraction. More particularly, the invention relates to a Tibetan capillaris extract and a preparation method thereof.

Background

The Tibetan capillary wormwood contains various components such as abundant secoiridoid glycosides, flavones and glycosides, oroxanthones and glycosides, triterpenes and the like, and the dissolution of various active ingredients cannot be obviously improved only by roughly exploding to increase the surface area. At present, the extraction method of effective components in the Tibetan virgate wormwood herb adopts an alcohol extraction method mostly, or a microorganism method is adopted to destroy the cell walls of traditional Chinese medicinal materials, so that the extraction of the effective components in the Tibetan virgate wormwood herb is promoted, the microorganism method needs to provide the purposes of keeping the stability of strains, strictly controlling culture conditions, keeping the extraction advantages, and otherwise, seriously influencing the content of effective substances of the Tibetan virgate wormwood herb extract. Therefore, it is particularly important to provide a new method which is simple and can effectively increase the content of effective substances in the Tibetan capillaris extract.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

Still another object of the present invention is to provide a Tibetan capillaris extract containing high concentration of Tibetan capillaris effective substance.

Provides a preparation method of a Tibetan capillary artemisia extract, which has the function of improving the content of effective substances in the Tibetan capillary artemisia extract.

To achieve these objects and other advantages in accordance with the present invention, there is provided a Tibetan capillaris extract comprising the following materials in mass ratio: 6-10% of swertiamarin, 3-5% of swertiamarin, 1-2% of oleanolic acid and 1-2% of 1-hydroxy-3, 4, 5-trimethoxyxanthone.

Provides an extraction method of Tibetan capillaris extract, which comprises the following steps:

step one, preparing an extraction aid: placing nano chitosan and nano silicon dioxide in an ethanol water solution with the mass fraction of more than 90 percent, boiling for more than 2 hours, filtering, and drying to obtain an extraction aid;

step two, crushing Tibetan capillaris, softening for 4-6 hours under the conditions that the humidity is more than 90% and the temperature is 35-45 ℃, adding ethanol water solution with the mass fraction of 40-60% of the Tibetan capillaris more than 5 times, adding extraction aid prepared in the step one with the mass of 0.1-0.2 time of the Tibetan capillaris, then placing at the temperature of 0 ℃, and then stirring for 30-50 minutes at the rotating speed of more than 500r/min to obtain a semi-cured mixture;

thirdly, placing the mixture obtained in the second step under the conditions that the temperature is 35-45 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 40-60 min, and filtering to obtain a first filtrate and a first filter residue;

step four, adding ethanol water with the mass fraction of 70-80% which is more than 5 times of the mass of the first filter residue into the first filter residue, and carrying out reduced pressure distillation to obtain distillate and distillate;

step five, adding more than 5 times of ethanol water with the mass fraction of the distilled substances being less than 10% into the distilled substances in the step four, boiling for 1-2 hours under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

and step six, mixing the first filtrate, the distillate and the second filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

Preferably, the particle diameters of the nano chitosan and the nano silicon dioxide in the step one are respectively 20-80 nm and 30-50 nm.

Preferably, in the second step, the Tibetan capillaris is crushed to a particle size of less than 100 meshes by adopting an ultra-micro crushing method.

Preferably, the vacuum degree of the vacuum distillation in the fourth step is 0.15 MPa.

Preferably, the vacuum degree in the reduced pressure boiling process in the fifth step is 0.5 MPa.

Preferably, the drying temperature in the sixth step is 35-45 ℃.

Preferably, the humidity in the second step is 95%, the mass fraction of the ethanol aqueous solution is 50%, the mass of the extraction aid is 0.2 times of that of the Tibetan capillary artemisia, the stirring speed is 800r/min, and the stirring time is 30 min.

The invention at least comprises the following beneficial effects:

firstly, the extraction method combining the addition of the extraction aid and the comprehensive extraction is adopted, compared with the method only adopting the comprehensive extraction method, the content of each effective component in the Tibetan capillaris extract can be obviously improved, and the content of the swertiamarin, oleanolic acid and 1-hydroxy-3, 4, 5-trimethoxyxanthone is respectively improved by 43.8%, 12.2%, 20% and 30.8%.

Compared with the method of singly adopting ultrasonic extraction, the comprehensive extraction can obviously improve the content of each effective component in the Tibetan capillary artemisia extract, and respectively improve the content of the swertiamarin, oleanolic acid and 1-hydroxy-3, 4, 5-trimethoxyxanthone by 15 percent, 7 percent, 9.5 percent and 9.5 percent.

And thirdly, compared with a method of singly adopting distillation extraction, the comprehensive extraction can obviously improve the content of each effective component in the Tibetan capillaris extract, and respectively improve the content of 23.1%, 6.7%, 20% and 21.4% of swertiamarin, oleanolic acid and 1-hydroxy-3, 4, 5-trimethoxyxanthone.

Fourthly, compared with a method of separately adopting hot water for extraction, the comprehensive extraction can obviously improve the content of each effective component in the Tibetan capillary artemisia extract, and respectively improve the content of the swertiamarin, the oleanolic acid and the 1-hydroxy-3, 4, 5-trimethoxyxanthone by 27 percent, 6.7 percent, 20 percent and 21.4 percent.

Fifthly, the medium-nanometer chitosan and the nanometer silicon dioxide with various particle sizes in the ranges of 20-80 nm and 30-50 nm are selected, so that mutual friction between particles with different specific surfaces and the Tibetan capillary broken materials in a violent stirring process is facilitated, and the dissolution speed of effective substances is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified.

< example 1>

The extraction method of the Tibetan capillary artemisia extract comprises the following steps:

step one, preparing an extraction aid: placing nano chitosan and nano silicon dioxide in an ethanol water solution with the mass fraction of 90%, boiling for 2h, filtering, and drying to obtain an extraction aid;

step two, crushing 100g of Tibetan capillary wormwood, softening for 4 hours at the temperature of 35 ℃ under the condition that the humidity is 90%, adding an ethanol water solution with the mass fraction of 40% which is 5 times of the mass of Tibetan capillary wormwood, adding the extraction aid prepared in the step one of 0.1 time of the mass of Tibetan capillary wormwood, then placing at the temperature of 0 ℃, and stirring for 30 minutes at the rotating speed of 500r/min to obtain a semi-solidified mixture;

thirdly, placing the mixture obtained in the second step under the conditions that the temperature is 35 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 40min, and filtering to obtain a first filtrate and a first filter residue;

step four, adding more than 5 times of ethanol water solution with the mass fraction of 70% of the first filter residue into the first filter residue, and distilling under reduced pressure to obtain distillate and distillate;

step five, adding an ethanol water solution with the mass fraction of 10 percent of 5 times of the mass of the distillate in the step four, boiling for 1 hour under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

and step six, mixing the first filtrate, the distillate and the second filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

Wherein, the particle size ranges of the nano chitosan and the nano silicon dioxide in the step one are respectively 20-80 nm and 30-50 nm. (taking the nano chitosan and the nano silicon dioxide with various particle diameters within the range of 20-80 nm and 30-50 nm, being beneficial to the mutual friction between particles with different specific surfaces and the Tibetan virgate wormwood crushed material in the violent stirring process, and improving the dissolution speed of effective substances)

In the second step, the Tibetan capillary is crushed into particles with the particle size less than 100 meshes by adopting an ultra-micro crushing method.

The vacuum degree of the reduced pressure distillation in the fourth step is 0.15 MPa.

And in the fifth step, the vacuum degree in the process of reduced pressure boiling is 0.5 MPa.

And the drying temperature in the sixth step is 35 ℃.

< example 2>

The extraction method of the Tibetan capillary artemisia extract comprises the following steps:

step one, preparing an extraction aid: placing nano chitosan and nano silicon dioxide in an ethanol water solution with the mass fraction of 90%, boiling for 2h, filtering, and drying to obtain an extraction aid;

step two, crushing 100g of Tibetan capillary wormwood, softening for 5 hours at the temperature of 40 ℃ under the condition that the humidity is 95%, adding an ethanol water solution with the mass fraction of 50% which is 5 times of the mass of Tibetan capillary wormwood, adding the extraction aid prepared in the step one of 0.2 times of the mass of Tibetan capillary wormwood, then placing at the temperature of 0 ℃, and stirring for 30min at the rotating speed of 800r/min to obtain a semi-solidified mixture;

thirdly, placing the mixture obtained in the second step under the conditions that the temperature is 40 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 50min, and filtering to obtain a first filtrate and a first filter residue;

step four, adding an ethanol water solution with the mass fraction of 85% which is 5 times of the mass of the first filter residue into the first filter residue, and carrying out reduced pressure distillation to obtain a distillate and a distillate;

step five, adding an ethanol water solution with the mass fraction of 10 percent of 5 times of the mass of the distillate in the step four, boiling for 1.5h under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

and step six, mixing the first filtrate, the distillate and the second filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

Wherein, the particle size ranges of the nano chitosan and the nano silicon dioxide in the step one are respectively 20-80 nm and 30-50 nm.

In the second step, the Tibetan capillary is crushed into particles with the particle size less than 100 meshes by adopting an ultra-micro crushing method.

The vacuum degree of the reduced pressure distillation in the fourth step is 0.15 MPa.

And in the fifth step, the vacuum degree in the process of reduced pressure boiling is 0.5 MPa.

And the drying temperature in the sixth step is 40 ℃.

< example 3>

The extraction method of the Tibetan capillary artemisia extract comprises the following steps:

step one, preparing an extraction aid: placing nano chitosan and nano silicon dioxide in an ethanol water solution with the mass fraction of 90%, boiling for 2h, filtering, and drying to obtain an extraction aid;

step two, crushing 100g of Tibetan capillary wormwood, softening for 6 hours at the temperature of 45 ℃ under the condition that the humidity is 90%, adding an ethanol water solution with the mass fraction of 60% which is 5 times of the mass of Tibetan capillary wormwood, adding the extraction aid prepared in the step one of 0.2 times of the mass of Tibetan capillary wormwood, then placing at the temperature of 0 ℃, and stirring for 50 minutes at the rotating speed of 500r/min to obtain a semi-solidified mixture;

thirdly, placing the mixture obtained in the second step under the conditions that the temperature is 45 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 60min, and filtering to obtain a first filtrate and a first filter residue;

step four, adding an ethanol water solution with the mass fraction of 80 percent which is 5 times of the mass of the first filter residue into the first filter residue, and carrying out reduced pressure distillation to obtain a distillate and a distillate;

step five, adding an ethanol water solution with the mass fraction of 10 percent of 5 times of the mass of the distillate in the step four, boiling for 2 hours under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

and step six, mixing the first filtrate, the distillate and the second filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

Wherein, the particle size ranges of the nano chitosan and the nano silicon dioxide in the step one are respectively 20-80 nm and 30-50 nm.

In the second step, the Tibetan capillary is crushed into particles with the particle size less than 100 meshes by adopting an ultra-micro crushing method.

The vacuum degree of the reduced pressure distillation in the fourth step is 0.15 MPa.

And in the fifth step, the vacuum degree in the process of reduced pressure boiling is 0.5 MPa. And the drying temperature in the sixth step is 45 ℃.

< comparative example 1>

The extraction method of the Tibetan virgate wormwood herb extract is the same as that in the embodiment 3, except that the extraction aid is not added in the step two, and the specific operation of the step two is as follows: pulverizing Tibetan herba Artemisiae Scopariae, softening at 45 deg.C and humidity of 90% for 6h, adding 60% ethanol water solution 5 times of Tibetan herba Artemisiae Scopariae, heating at 0 deg.C, and stirring at 500r/min for 50min to obtain semi-solidified mixture.

< comparative example 2>

The extraction method of the Tibetan capillaris extract is the same as that in the embodiment 3, wherein the difference is that the steps are four, five and six, and the specific operation is as follows:

step four, adding an ethanol water solution with the mass fraction of 60% and the mass fraction of 5 times of the first filter residue into the first filter residue, placing the mixture under the conditions that the temperature is 45 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 60min, and filtering to obtain a second filtrate and a second filter residue;

step five, adding an ethanol water solution with the mass fraction of 60 percent, which is 5 times of the mass of the second filter residue, into the second filter residue in the step four, placing the second filter residue in a condition that the temperature is 45 ℃ and the ultrasonic frequency is 60KHz for ultrasonic treatment for 60min, and filtering to obtain a third filtrate and a third filter residue;

and step six, mixing the first filtrate, the second filtrate and the third filtrate, concentrating and drying to obtain the Tibetan capillaris extract.

< comparative example 3>

The extraction method of the Tibetan capillaris extract is the same as that in example 3, wherein the differences are step three, step four, step five and step six, and the specific operation is as follows:

step three, distilling the mixture obtained in the step two under reduced pressure to obtain a first distillate and a first distillation product;

step four, adding an ethanol water solution with the mass fraction of 80 percent which is 5 times of the mass of the first distillation material into the first distillation material, and carrying out reduced pressure distillation to obtain a second distillate and a second distillation material;

step five, adding an ethanol water solution with the mass fraction of 80 percent which is 5 times of the mass of the second distillation material into the second distillation material in the step four, and carrying out reduced pressure distillation to obtain a third distillate and a third distillation material;

and step six, mixing the first distillate, the second distillate and the third distillate, concentrating and drying to obtain the Tibetan capillaris extract.

< comparative example 4>

The extraction method of the Tibetan capillaris extract is the same as that in example 3, wherein the differences are step three, step four, step five and step six, and the specific operation is as follows: step three, boiling the mixture obtained in the step two under reduced pressure for 2 hours, and filtering to obtain a first filtrate and a first filter residue;

step four, adding an ethanol water solution with the mass fraction of 10% which is 5 times of the mass of the first filter residue into the first filter residue in the step three, boiling for 2 hours under reduced pressure, and filtering to obtain a second filtrate and a second filter residue;

adding an ethanol water solution with the mass fraction of 10% which is 5 times of the mass of the second filter residue into the second filter residue in the step four, boiling for 2 hours under reduced pressure, and filtering to obtain a third filtrate and a third filter residue;

and step six, mixing the first distillate, the second distillate and the third distillate, concentrating and drying to obtain the Tibetan capillaris extract.

The content of each effective component in the Tibetan capillary extract prepared in examples 1 to 3 and comparative examples 1 to 4 was measured, and the results are shown in table 1:

TABLE 1 content of effective components in Tibetan herba Artemisiae Scopariae extract

Remarking: the values are accurate to 0.1%.

As shown in table 1, it can be seen from the comparison between example 3 and comparative example 1 that the content of each effective component in the swertiamarin, oleanolic acid, and 1-hydroxy-3, 4, 5-trimethoxyxanthone in the swertiamarin extract can be significantly increased by the extraction method of adding the extraction aid in example 3, and the content of each effective component in the swertiamarin, oleanolic acid, and 1-hydroxy-3, 4, 5-trimethoxyxanthone can be respectively increased by 43.8%, 12.2%, 20%, and 30.8%.