CN111297918A - Composition of EGCG and cordyceps militaris extract and preparation method and application thereof - Google Patents
Composition of EGCG and cordyceps militaris extract and preparation method and application thereof Download PDFInfo
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- CN111297918A CN111297918A CN202010369198.6A CN202010369198A CN111297918A CN 111297918 A CN111297918 A CN 111297918A CN 202010369198 A CN202010369198 A CN 202010369198A CN 111297918 A CN111297918 A CN 111297918A
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- egcg
- cordyceps militaris
- resisting
- extract
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Abstract
The invention provides a composition of EGCG and cordyceps militaris extract, wherein 1000 g of cordyceps militaris and 300 g of EGCG are obtained by concentrating water extract of cordyceps militaris until the baume degree reaches 25-35 Be, mixing with EGCG, stirring at 45 ℃ for 30min, evaporating water at 45 ℃ by a rotary evaporator, drying and crushing; according to the invention, through specific amounts of cordyceps militaris and EGCG, concentrated solution of the cordyceps militaris water extract is creatively mixed with the EGCG at a specific Baume degree, and hydroxyl and ester groups in the EGCG are chemically bonded with the cordyceps militaris extract in a blending state at a specific temperature to form strong intermolecular van der Waals force, so that the cordyceps militaris water extract has good pharmaceutical stability; and the EGCG and the cordyceps militaris extract have pharmacological synergistic effects, and particularly have good pharmacological synergistic effects in the aspects of resisting tumors, protecting the nervous system, protecting cardiovascular and cerebrovascular vessels, resisting viruses, resisting bacteria, regulating immunity, resisting free radical damage, resisting oxidation, resisting oxidative stress, resisting thrombosis, resisting arteriosclerosis, resisting inflammation and the like.
Description
The invention relates to a health product composition and a preparation method thereof, in particular to an EGCG and cordyceps militaris extract, and a preparation method and application thereof. The health product composition provided by the invention comprises but is not limited to medicines, health nutriments, medical foods, health foods or functional foods, common foods and the like.
EGCG, epigallocatechin gallate, of the following structural formula,
EGCG is a natural compound extracted and separated from green tea, is easy to absorb moisture, is the most efficient active monomer component in tea polyphenol, has good safety and wide physiological activity, and researches show that the EGCG has the effects of resisting tumors, protecting the nervous system, resisting vascular proliferation, protecting cardiovascular and cerebrovascular vessels, resisting viruses, bacteria, regulating immunity, resisting free radical damage, resisting oxidation, resisting oxidative stress, resisting thrombosis, resisting arteriosclerosis and resisting inflammation, and is very important for human health.
However, EGCG has poor stability and is easily affected by factors such as temperature, water, pH and the like, particularly, when EGCG is stored in a liquid environment for 7 days, the hydrolysis/degradation rate of EGCG reaches over 17%, and even in a solid state, although the stability is relatively improved, EGCG is sensitive to temperature, gradually degrades in a hot environment, seriously affects the product quality and the development of EGCG preparations/products, and seriously adversely affects the preparation, storage, circulation and the like of products.
The improvement of the stability of the EGCG is important for the application of the EGCG, the improvement of the product quality and the guarantee of the health curative effect, and is also an important research subject of the EGCG.
Cordyceps militaris, also known as cordyceps militaris, cordyceps militaris and the like, has few natural resources distributed worldwide; the traditional Chinese medicine considers that the cordyceps militaris enters the lung and kidney two channels, can tonify lung yin and kidney yang, is mainly used for treating weakness after illness, chronic cough weakness, cough with phlegm and blood, waist and knee soreness, spontaneous perspiration and night sweat, immunity regulation and the like, and is the only traditional Chinese medicine capable of balancing and regulating yin and yang.
Especially, the cordyceps militaris has good effects of resisting tumors, viruses and inflammation, regulating immunity and protecting health of organisms. Cordycepin and cordyceps polysaccharide are main functional components of cordyceps militaris, and the cordycepin, namely 3-deoxyadenosine (3-deoxyadenosine), is a nucleic acid derivative containing nitrogen glycoside and has potential therapeutic effect on various diseases; cordycepin and cordyceps polysaccharide are water-soluble, however, the stability of the effective components in cordyceps militaris is poor, the preparation, the storage and the market circulation of the product are not facilitated, and the quality stability of the product is seriously influenced.
The cordyceps militaris is a natural compound treasury, the CGCG is a natural monomer compound and has poor stability, and researches show that the water extract of the cordyceps militaris and the EGCG have excellent pharmacological synergistic effect; disadvantageously, however, the presence of various compounds of the aqueous extract of cordyceps militaris has an adverse effect on the stability of its functional ingredients.
The invention aims to provide a stable composition of cordyceps militaris extract and EGCG, which not only meets the requirement that the water extract of cordyceps militaris and EGCG have good pharmacological synergistic effect, but also has good stability, and ensures the quality of products.
The invention provides a composition of EGCG and cordyceps militaris extract, and the specific technical scheme is as follows:
preparing materials: 1000 g of cordyceps militaris and 300 g of EGCG;
the preparation method comprises the following steps: selecting cordyceps militaris with a formula amount, removing impurities, cleaning, draining, slicing or properly crushing, adding 10-15 times of water by weight, stirring, heating to 80-100 ℃, extracting for 15-30 min, filtering to obtain filtrate, extracting filter residue for 10-15 min by using 10-15 times of hot water with the temperature of 90-100 ℃ according to needs, filtering to obtain filtrate, combining and collecting the two filtrates, and further concentrating the filtrate to enable the baume degree of the concentrated solution to reach 25-35 Be;
mixing the Cordyceps militaris concentrate with EGCG of a prescribed amount, mixing and stirring at 45 deg.C for 30min, placing in a rotary evaporator, evaporating at 45 deg.C to remove water, drying, and pulverizing.
The composition of the EGCG and the cordyceps militaris extract is a solid dispersion of the EGCG and the cordyceps militaris extract, and is characterized in that specific amounts of the cordyceps militaris and the EGCG are creatively mixed and dispersed with concentrated solution of the cordyceps militaris water extract at specific Baume concentration and the EGCG at specific temperature, the specific Baume concentration is a blending body of the cordyceps militaris extract and water, and hydroxyl and ester groups in the EGCG and the cordyceps militaris extract can be chemically bonded and valence combined in the blending body to finally form a stable and good solid dispersion of the EGCG and the cordyceps militaris extract.
The solid dispersion composition of the EGCG and the cordyceps militaris extract has the following two advantages:
1. the stability of EGCG is improved: the composition and the preparation method can uniformly disperse the EGCG and the cordyceps militaris extract in a liquid blending body, and the solid dispersion obtained by drying is highly dispersed solid powder or particles. The EGCG is a polyhydroxy substance, and under the blending and dispersing state, hydroxyl and ester groups in the EGCG are chemically bonded with the cordyceps militaris extract in the blending state to form stronger intermolecular van der Waals force, so that the stability of the EGCG is improved, and the EGCG has good pharmaceutical stability.
2. The solid dispersion does not contain other auxiliary materials, only the solid dispersion is formed by mixing the cordyceps militaris extract and the EGCG, the content and the titer of active ingredients are not changed, and the cordyceps militaris extract and the EGCG have pharmacological synergistic action; especially has good pharmacological synergistic effect in resisting tumor, protecting nervous system, resisting blood vessel hyperplasia, protecting cardiovascular and cerebrovascular, resisting virus, resisting bacteria, regulating immunity, resisting free radical damage, resisting oxidation, resisting oxidative stress, resisting thrombosis, resisting arteriosclerosis and resisting inflammation.
Furthermore, the invention also provides application of the solid dispersion of the EGCG and the cordyceps militaris extract in preparation of preparation compositions with different dosage forms.
The present invention provides that the solid dispersion of EGCG and cordyceps militaris extract according to the present invention can be administered by any suitable route, but typically by the oral route. For such applications, the solid dispersion of EGCG and cordyceps militaris extract may be prepared into any pharmaceutically acceptable dosage form by adding a suitable pharmaceutical carrier, however, the exact form of the composition naturally depends on the form of administration.
Different compound medicinal preparations can be prepared by using corresponding medicinal carriers or auxiliary materials and adopting different preparation processes. It should be understood that the compound preparation refers to a preparation prepared by taking the solid dispersion of EGCG and cordyceps militaris extract as a pharmaceutically active ingredient, and can be any pharmaceutically acceptable dosage form, preferably oral preparations, such as granules, powder, dry suspension, tablets (including dispersible tablets, enteric-coated tablets, chewable tablets, orally disintegrating tablets, effervescent tablets, and the like), hard capsules (including enteric-coated capsules), pills, micro-pills (including enteric-coated pellets), dropping pills, dry syrup, powder, oral solutions, oral suspensions, and oral quick-release or sustained-release or controlled-release dosage forms, and the like; or the preparation can be the quick release, sustained release, controlled release and other preparations of the above various preparations, such as oral dispersible tablets, sustained release capsules, enteric-coated tablets, effervescent tablets, orally disintegrating tablets, special-shaped tablets, effervescent granules and the like. In particular, the compound is prepared according to the method known in the field, and is preferably used for preparing oral solutions, tablets (including dispersible tablets, sustained-release tablets, enteric-coated tablets, effervescent tablets, orally disintegrating tablets and deformed tablets) and capsules (including gastric-coated, enteric-coated and sustained-release capsules) used in pharmaceutics.
The active ingredients of the pharmaceutical combination may generally be administered in the form of a solid dispersion of EGCG and cordyceps militaris extract, but preferably in the form of a pharmaceutical composition. The medicinal composition comprises solid dispersion of EGCG and cordyceps militaris extract, and one or more pharmaceutically acceptable carriers or excipients. These carriers must be acceptable, i.e., compatible with the other ingredients of the formulation, and non-toxic to the recipient thereof; the pharmaceutical composition of the invention can be prepared into different pharmaceutical dosage forms by using corresponding and different pharmaceutical carriers and preparation processes. It will be understood by those skilled in the art that these pharmaceutical carriers are selected for ease of manufacturing, processing into various dosage forms, ensuring the safety, efficacy and stability of the drug, and according to the physical and chemical properties of the different dosage forms and the drug itself. The choice of a pharmaceutically acceptable carrier is well known and obvious to those skilled in the art of the present invention.
It is understood that for oral agents, pharmaceutical carriers, such as fructo-oligosaccharide, microcrystalline cellulose, mannitol, non-dairy creamer, lactose, pregelatinized starch, dextrin, cyclodextrin, hydroxypropyl- β -cyclodextrin, calcium phosphate, calcium hydrogen phosphate, hydroxypropyl methylcellulose, sucrose, dextran, poloxamer, sodium chloride, xylitol, sorbitol, fructose, glucose, xylo-oligosaccharide, polydextrose, oligomannose, solid polyethylene glycols (e.g., polyethylene glycol-4000, polyethylene glycol-12000, polyethylene glycol-6000, polyethylene glycol-2000, etc.), liquid polyethylene glycols (e.g., polyethylene glycol-400), resistant dextrins, water, propylene glycol, glycerin, vegetable oils, cyclodextrins, hydroxypropyl- β -cyclodextrin and derivatives thereof, coffee, milk powder, vegetable protein powder, etc., for oral solid formulations, such as povidone, methylcellulose, carboxymethylcellulose, hydroxypropyl methylcellulose, pregelatinized starch, sodium carboxymethylcellulose, sodium alginate, sodium stearate.
In the application of the invention, the composition refers to a solid dispersion of the extract of EGCG and cordyceps militaris, or a composition comprising the solid dispersion of the extract of EGCG and cordyceps militaris, such as a mixture formed by adding other preparation auxiliary materials and physiologically/pharmaceutically acceptable carriers or excipients according to needs, and the purpose of the pharmaceutical composition is to facilitate the application, carrying and storage of the medicament; as used herein, "administering" means administering a solid dispersion or composition of EGCG and Cordyceps militaris extract of the present invention to an organism (including a patient or a healthy person) for the purpose of preventing or treating a disease.
Detailed description of the inventionin the practice of the present invention, various embodiments and modifications will be apparent to and can be readily made by those of ordinary skill in the art without departing from the scope and spirit of the invention. The following examples are intended to further specifically illustrate the application and the like of the present invention, but are not intended to limit the present invention.
Example 1, solid dispersion of EGCG and cordyceps militaris extract and preparation thereof.
Preparing materials: 1000 g of cordyceps militaris and 300 g of EGCG;
the preparation method comprises the following steps: selecting the formula amount of cordyceps militaris, removing impurities, cleaning, draining, slicing or properly crushing, adding 15 weight parts of water, stirring, heating to 95 ℃, leaching for 20min, filtering to obtain filtrate, leaching filter residue for 15min by using 10 weight parts of 100 ℃ hot water, filtering to obtain filtrate, combining and collecting the two filtrates, and further concentrating the filtrate to enable the baume degree of the concentrated solution to reach 30 DEG Be;
mixing the Cordyceps militaris concentrate with EGCG of a prescribed amount, mixing and stirring at 45 deg.C for 30min, placing in a rotary evaporator, evaporating at 45 deg.C to remove water, drying, and pulverizing.
Example 2, solid preparation of solid dispersion of EGCG and cordyceps militaris extract and preparation thereof.
The prescription amount comprises the following components in percentage by weight:
2 to 10 percent of solid dispersion of the EGCG and the cordyceps militaris extract, preferably 6 percent,
90-98% of granule auxiliary materials, preferably 94% of fructose or 94% of xylitol;
wherein the granule adjuvant comprises one or more of xylitol, fructose, polyfructose, xylooligosaccharide, polydextrose, mannitol, sucrose, invert sugar (equal amount of mixture of glucose and fructose), glucose, resistant dextrin, sorbitol, maltose, isomalt, oligomannose, solid polyethylene glycol (such as polyethylene glycol-4000, polyethylene glycol-12000, polyethylene glycol-6000, polyethylene glycol-2000, etc.), dextrin, cyclodextrin, maltodextrin, hydroxypropyl- β -cyclodextrin, microcrystalline cellulose, carboxymethyl cellulose, hydroxypropyl methyl cellulose, pregelatinized starch, starch sugar, lactose, vegetable fat powder, milk powder, vegetable protein powder, coffee, sodium carboxymethyl starch, proteoglycan, sucralose, aspartame, acesulfame potassium, stachyose, neotame, stevioside, and most preferably fructose or xylitol;
the preparation method comprises the following steps: respectively sieving the solid dispersion of the EGCG and the cordyceps militaris extract prepared in the example 1 and the granule auxiliary materials with a 80-mesh sieve, preferably 100-mesh sieve, weighing according to the prescription amount, uniformly mixing the solid dispersion of the EGCG and the cordyceps militaris extract and the granule auxiliary materials, performing wet granulation by using a 75% ethanol solution, drying at 45-70 ℃, finishing granules,to obtain the granular formulation,packaging and inspecting to obtain the final product.
Further, the granules can be compressed into tablets through a tabletting process, or the granules can be filled into hollow capsule shells to obtain capsules.
Example 3, solid preparation of solid dispersion of EGCG and cordyceps militaris extract and preparation thereof.
The prescription amount comprises the following components in percentage by weight:
6 percent of solid dispersion of EGCG and cordyceps militaris extract,
94% of fructo-oligosaccharide;
the preparation method comprises the following steps: and (2) respectively sieving the EGCG prepared in the example 1, the solid dispersion of the cordyceps militaris extract and fructo-oligosaccharide with a 80-mesh sieve, preferably 100-mesh sieve, weighing according to the prescription amount, uniformly mixing the EGCG and the solid dispersion of the cordyceps militaris extract with the fructo-oligosaccharide, performing wet granulation by using a 75% ethanol solution, drying at 45-70 ℃, granulating to obtain granules, packaging and inspecting to obtain the product.
Further, the granules can be compressed into tablets through a tabletting process, or the granules can be filled into hollow capsule shells to obtain capsules.
Example 4, stability study of solid dispersion of EGCG and cordyceps militaris extracts.
The solid dispersions of the EGCG and the cordyceps militaris extract in example 1 are respectively taken, pure EGCG powder is taken as a blank reference, each sample is sampled for 8 times (n =8), the detected data result is averaged, the sample is placed for 2 months through a stability acceleration test (at 40 ℃ and under the condition of 75% humidity), the sample is sampled and detected, the content of the EGCG in each sample is detected by adopting an HPLC method, the result is compared with 0 day, the content reduction value of the EGCG at the time point of 2 months is obtained, and the data is processed by statistical software.
The detection method comprises the following steps: the content is determined by high performance liquid chromatography, 0.1 phosphoric acid and acetonitrile are used as mobile phases, the sample amount is 20 mu L, the column temperature is 28 ℃, the detection wavelength is 273nm, and the retention time is more than 7 min.
The test results are shown in table 1 below.
Table 1.
And (4) conclusion: the solid dispersion of the EGCG and the cordyceps militaris extract can obviously improve the stability of the EGCG, has very obvious difference, and p is less than 0.001.
Example 5, stability study of solid formulation of solid dispersion of EGCG and cordyceps militaris extract.
The solid preparation of the solid dispersion of the EGCG and the cordyceps militaris extract in example 3 is taken respectively, pure EGCG powder is taken as a blank reference, 8 samples (n =8) are taken from each sample, the detected data result is averaged, the sample is placed for 2 months through a stability acceleration test (at 40 ℃ and under the condition of humidity of 75%), the sample is taken for detection, the content of the EGCG in each sample is detected by an HPLC method, the result is compared with 0 day, the content reduction value of the EGCG at the time point of 2 months is obtained, and the data is processed by statistical software.
The detection method comprises the following steps: the content is determined by high performance liquid chromatography, 0.1 phosphoric acid and acetonitrile are used as mobile phases, the sample amount is 20 mu L, the column temperature is 28 ℃, the detection wavelength is 273nm, and the retention time is more than 7 min.
The results of the tests are shown in Table 2 below.
Table 2.
And (4) conclusion: the solid preparation of the solid dispersion of the EGCG and the cordyceps militaris extract can obviously improve the stability of the EGCG, has very obvious difference, and p is less than 0.001.
Example 6, stability study of solid dispersion of EGCG and cordyceps militaris extracts.
The solid dispersions of the EGCG and the Cordyceps militaris extract in example 1 are taken respectively, and compared with the solid dispersion A and the solid dispersion B respectively for the stability. The preparation method of the solid dispersion A and the solid dispersion B comprises the following steps:
solid dispersion A: taking 1000 g of cordyceps militaris and 350 g of EGCG, and taking the solid dispersion prepared by the preparation method in the embodiment 1 as a solid dispersion A of a contrast study;
solid dispersion B: the solid dispersion prepared according to the preparation method in the example 1 and 1000 g of cordyceps militaris and 250 g of EGCG was taken as the solid dispersion B of the comparative study.
Comparison method: 8 samples (n =8) are taken from each sample, the detected data result is averaged, the sample is placed for 2 months through a stability acceleration test (at 40 ℃ and under the condition of 75% humidity), the sample is sampled and detected, the content of the EGCG in each sample is detected by adopting an HPLC method, the result is compared with 0 day, the content reduction value of the EGCG at the time point of 2 months is obtained, and the data is processed by statistical software.
The detection method comprises the following steps: the content is determined by high performance liquid chromatography, 0.1 phosphoric acid and acetonitrile are used as mobile phases, the sample amount is 20 mu L, the column temperature is 28 ℃, the detection wavelength is 273nm, and the retention time is more than 7 min.
The test results are shown in Table 3 below.
Table 3.
And (4) conclusion: compared with the solid dispersion A and the solid dispersion B, the solid dispersion of the EGCG and the cordyceps militaris extract can obviously improve the stability of the EGCG, has obvious difference, and p is less than 0.01.
The solid dispersion prepared by the specific preparation method has the specific ratio of 1000 g of cordyceps militaris to 300 g of EGCG, and the stability of EGCG is remarkably improved.
The solid dispersion of the EGCG and the cordyceps militaris extract described in the embodiment 7 and the embodiment 1, and the solid preparation of the solid dispersion of the EGCG and the cordyceps militaris extract described in the embodiment 2 are applied to the following aspects:
the application in preparing medicinal preparation for preventing and treating tumor, protecting nervous system, resisting blood vessel hyperplasia, protecting cardiovascular and cerebrovascular, resisting virus, resisting bacteria, regulating immunity, resisting free radical damage, resisting oxidation, resisting oxidative stress, resisting thrombosis, resisting arteriosclerosis and resisting inflammation.
Claims (5)
1. A composition of EGCG and cordyceps militaris extract is characterized in that:
preparing materials: 1000 g of cordyceps militaris and 300 g of EGCG;
the preparation method comprises the following steps: selecting cordyceps militaris with a formula amount, removing impurities, cleaning, draining, slicing or properly crushing, adding 10-15 times of water by weight, stirring, heating to 80-100 ℃, extracting for 15-30 min, filtering to obtain filtrate, extracting filter residue for 10-15 min by using 10-15 times of hot water with the temperature of 90-100 ℃, filtering to obtain filtrate, combining and collecting the two filtrates, and further concentrating the filtrate to enable the baume degree of a concentrated solution to reach 25-35 Be;
mixing the Cordyceps militaris concentrate with EGCG of a prescribed amount, mixing and stirring at 45 deg.C for 30min, placing in a rotary evaporator, evaporating at 45 deg.C to remove water, drying, and pulverizing.
2. A solid dispersion of EGCG and Cordyceps militaris extract is characterized in that:
preparing materials: 1000 g of cordyceps militaris and 300 g of EGCG;
the preparation method comprises the following steps: selecting the formula amount of cordyceps militaris, removing impurities, cleaning, draining, slicing or properly crushing, adding 15 weight parts of water, stirring, heating to 95 ℃, leaching for 20min, filtering to obtain filtrate, leaching filter residue for 15min by using 10 weight parts of 100 ℃ hot water, filtering to obtain filtrate, combining and collecting the two filtrates, and further concentrating the filtrate to enable the baume degree of the concentrated solution to reach 30 DEG Be;
mixing the Cordyceps militaris concentrate with EGCG of a prescribed amount, mixing and stirring at 45 deg.C for 30min, placing in a rotary evaporator, evaporating at 45 deg.C to remove water, drying, and pulverizing.
3. A solid preparation of solid dispersion of EGCG and cordyceps militaris extract comprises the following components in percentage by weight:
the solid dispersion of EGCG and Cordyceps militaris extract of claim 2, 6%,
94% of fructo-oligosaccharide;
the preparation method comprises the following steps: respectively sieving the solid dispersion of the EGCG and the cordyceps militaris extract and the fructo-oligosaccharide with a 80-mesh sieve, weighing according to the formula, uniformly mixing the solid dispersion of the EGCG and the cordyceps militaris extract and the fructo-oligosaccharide, carrying out wet granulation by using a 75% ethanol solution, drying at 45-70 ℃, and finishing granules to obtain granules.
4. The solid preparation of solid dispersion of EGCG and Cordyceps militaris extract as claimed in claim 3, wherein the solid preparation is prepared from EGCG and Cordyceps militaris extract
The granules are compressed into tablets by a tabletting process, or the granules are filled into hollow capsule shells to obtain capsules.
5. The use of the composition of EGCG and cordyceps militaris extract as claimed in claim 1 in:
the application in preparing medicinal preparation for preventing and treating tumor, protecting nervous system, resisting blood vessel hyperplasia, protecting cardiovascular and cerebrovascular, resisting virus, resisting bacteria, regulating immunity, resisting free radical damage, resisting oxidation, resisting oxidative stress, resisting thrombosis, resisting arteriosclerosis and resisting inflammation.
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CN114601009A (en) * | 2022-04-06 | 2022-06-10 | 常熟理工学院 | Silkworm chrysalis cordyceps sinensis tablet candy and preparation method thereof |
CN116970290A (en) * | 2023-06-28 | 2023-10-31 | 安发(福建)生物科技有限公司 | Cordyceps militaris pigment extract and preparation method and application thereof |
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CN104922164A (en) * | 2014-12-12 | 2015-09-23 | 中国医科大学 | Composite medicine preparation for treating alzheimer disease |
CN105614869A (en) * | 2016-02-14 | 2016-06-01 | 王保红 | Composition containing Cordyceps militaris and preparation method and application thereof |
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CN104922164A (en) * | 2014-12-12 | 2015-09-23 | 中国医科大学 | Composite medicine preparation for treating alzheimer disease |
CN104719910A (en) * | 2015-04-19 | 2015-06-24 | 福州乾正药业有限公司 | Solid dispersion combination of EGCG (epigallocatechin gallate) with thermal stability and preparation method of solid dispersion combination and application in preparation of solid dispersion combination |
CN105614869A (en) * | 2016-02-14 | 2016-06-01 | 王保红 | Composition containing Cordyceps militaris and preparation method and application thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114601009A (en) * | 2022-04-06 | 2022-06-10 | 常熟理工学院 | Silkworm chrysalis cordyceps sinensis tablet candy and preparation method thereof |
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