CN104398677A - Compound composition of tartary buckwheat general flavone and gynostemma pentaphylla total saponin - Google Patents

Compound composition of tartary buckwheat general flavone and gynostemma pentaphylla total saponin Download PDF

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CN104398677A
CN104398677A CN201410626969.XA CN201410626969A CN104398677A CN 104398677 A CN104398677 A CN 104398677A CN 201410626969 A CN201410626969 A CN 201410626969A CN 104398677 A CN104398677 A CN 104398677A
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radix
extracting solution
rhizoma fagopyri
fagopyri tatarici
gynostemma pentaphyllum
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CN104398677B (en
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孙永定
钟华强
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YUNNAN GUGUAN BIOTECHNOLOGY Co Ltd
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YUNNAN GUGUAN BIOTECHNOLOGY Co Ltd
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Abstract

The invention provides a compound composition of tartary buckwheat general flavone and gynostemma pentaphylla total saponin. The composition is composed of the following components in parts by weight: 1 to 2 parts of tartary buckwheat general flavone, 2 to 4 parts of gynostemma pentaphylla total saponin, 1 to 3 parts of vitamin E, and 10 to 20 parts of auxiliary materials. The obtained compound composition has a good healthcare and curative effect on patients of cardiovascular diseases and diabetes, and is capable of prominently reducing blood fat and blood sugar. The provided composition has a synergetic effect, thus the curative effect can be prominently improved, and the composition has functions of relieving myocardial ischemia, improving myocardial metabolism, nourishing the myocardium, protecting the myocardial cells, and improving the antioxidant performance of myocardium. The composition has the advantages of better curative effect and no side effect.

Description

A kind of Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound
Technical field
The invention belongs to food and field of pharmaceutical technology, specifically relate to a kind of Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound.
Background technology
Cardiovascular disease causes the primary disease of our people's death, shows according to the Epidemiological study nineties of 20th century, and such mortality accounts for 37.16% and 26.33% of disease general mortality rate respectively at China's Urban and rural area.Estimate also will rise in the prevalence of 10 ~ 20 Nian Zhong China cardiovascular disease in future and mortality rate.Chinese medicine shows obvious advantage and feature in the treatment of myocardial ischemia in recent years.
Radix Et Rhizoma Fagopyri Tatarici is the crop uniquely integrating seven major nutrient in cereal crops, and its seven major nutrient comprises: 1) bioflavonoids, 2) trace element and mineral, 3) starch, 4) vitamin, 5) cellulose, 6) fat, 7) protein.Wherein, the Main Ingredients and Appearance of bioflavonoids is rutin, has another name called Citrin.Its primary efficacy is: vessel softening, improves microcirculation, heat-clearing and toxic substances removing, blood circulation promoting and blood stasis dispelling, removing toxic substances and promoting tissue regeneration, has blood sugar lowering, glucose in urine, blood fat, QI invigorating to refresh oneself, strengthens insulin peripheral action.And rutin does not almost have in other corn.In addition, Radix Et Rhizoma Fagopyri Tatarici is also containing the chlorophyll that other cereal crops do not possess.
Herb Gynostemmae Pentaphylli total glycosides about has more than 80 to plant, wherein 78 kinds of respectively called after gypenoside I ~ LXXV III, wherein some is respectively ginsenoside Rb1, Rb3, Rd, and panoxadiol, 2 Alpha-hydroxy panoxadiol, 2 α, 19-dihydroxy-12-deoxidation panoxadiol etc.Therefore, the assay of its composition and finished product standard, also all using the number of ginsenoside Rb1 as standard.Another containing standard sclerutin class, bessisterol, ombuin etc.
Why " mystery " is because its ginsenoside's constituents (84 kinds) exceedes the several times of Radix Ginseng to gypenoside (gypenoside), it is to cardiovascular disease such as treatment and prophylaxis of hypertension, diabetes, constipation, gypenoside hemorrhoid, asthma, migraine, acne, the symptoms such as mottle have remarkable efficacy, and have comparatively significantly calm, hypnosis, allaying tiredness, appetite stimulator, antidotal effect, to tumor, hepatitis, gastritis, gastric and duodenal ulcers, gastroptosis, stomatitis, coronary heart disease, arteriosclerosis, cholelithiasis, numb limbs and tense tendons, pachylosis, male sterility, sexual disorder, fat and poliosis is bald etc. has better curative effect.Gypenoside (gypenoside) also may become the major physiological active substance that the 21 century mankind conquer cardiovascular disease, diabetes, catatonia, cancer and acquired immune deficiency syndrome (AIDS).
Utilize modern crafts to extract the effective site of two taste medicines, by the extracting method of uniqueness, unique formula, good effect is produced to i.e. trencherman.
Summary of the invention
For improving the activity of Gynostemma Pentaphyllum and Radix Et Rhizoma Fagopyri Tatarici total flavonoids Cardiovarscular, the invention provides a kind of Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, making the two synergism have good curative effect to cardiovascular disease.
The present invention is realized by following technical proposal: a kind of Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, be made up of the component of following masses part:
Radix Et Rhizoma Fagopyri Tatarici total flavonoids 1 ~ 2 part,
Gynostemma Pentaphyllum 2 ~ 4 parts,
Vitamin E 1 ~ 3 part,
Adjuvant 10 ~ 20 parts.
Described adjuvant forms by the component of following mass parts:
Starch 40 ~ 50 parts,
Microcrystalline Cellulose 10 ~ 15 parts,
Magnesium stearate 0.5 ~ 1 part.
Above-mentioned Radix Et Rhizoma Fagopyri Tatarici total flavonoids, Gynostemma Pentaphyllum fully mix in proportion, then add pharmaceutically acceptable adjuvant and be prepared into the conventional oral formulations of any one, as capsule, granule, oral liquid, pill or tablet.
Described Radix Et Rhizoma Fagopyri Tatarici total flavonoids is obtained by following each step:
(1) bran of Radix Et Rhizoma Fagopyri Tatarici being added 5 ~ 8 volumes concentration is doubly that the ethanol of 45 ~ 55v/v% carries out heating and refluxing extraction 2 ~ 4 hours, leaches extracting solution I; In residue, add 4 ~ 6 volumes concentration doubly is again that the ethanol of 30 ~ 35v/v% carries out heating and refluxing extraction 1 ~ 3 hour, leaches extracting solution II; In residue, add 4 ~ 7 quality water doubly again carry out heating and refluxing extraction 0.5 ~ 1.5 hour, leach extracting solution III; Merge extractive liquid, I and extracting solution II obtain extracting solution IV;
(2) by step (1) gained extracting solution IV and extracting solution III filtered while hot respectively, gained filtrate often pushes back receipts ethanol respectively, then places partial crystallization after concentrating respectively, leaches crystal and namely obtains Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product;
(3) in step (2) gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product, the ethanol that concentration is 80v/v% is added, be heated to boiling again, keep micro-to boil 1 ~ 3 minute, then filter while hot, then filtrate is placed partial crystallization, until precipitation total flavones, then with deionized water or pure water total flavones, to eluate color close to time colourless, then through sucking filtration or dehydration, then below 80 DEG C, carry out drying, namely obtain Radix Et Rhizoma Fagopyri Tatarici total flavonoids.The yield of gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids is 80 ~ 90%, and wherein the content of rutin accounts for 85 ~ 90% of flavone total amount.
Described Gynostemma Pentaphyllum is obtained by following each step:
A, get Herb Gynostemmae Pentaphylli decontamination, then the aqueous slkali adding Herb Gynostemmae Pentaphylli weight 10 ~ 15 times carries out heating decoction 60 ~ 90 minutes, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution I;
B, add Herb Gynostemmae Pentaphylli weight 7 ~ 10 times of water carry out heating decoction 40 ~ 60 minutes in the remaining filtering residue of step a, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution II;
C, by step a gained extracting solution I and step b gained extracting solution II with the flow velocity of 1 ~ 2 times of resin column volume per hour, successively by efficient D type macroporous adsorptive resins; Use pure water eluting impurity again, to water lotion, molish reaction is for stopping washing time negative, then with resin column 2 times of volumes, concentration is the alcohol flushing resin post of 15 ~ 20v/v%, finally with resin column volume 5 ~ 6 times, concentration is that the ethanol of 70 ~ 80v/v% carries out eluting, collect the ethanol elution of 70 ~ 80v/v%, to reclaim after ethanol through concentrated, crystallize and/or spraying dry, obtain Gynostemma Pentaphyllum.
The aqueous slkali of described step a is the sodium hydroxide solution of pH=8 ~ 9.
The efficient D type macroporous adsorptive resins of described step c is HPD-100 ~ 200 type macroporous adsorptive resins.
The advantage that the present invention possesses and effect: gained Radix Et Rhizoma Fagopyri Tatarici total flavones of the present invention and Gynostemma Pentaphyllum compound have good health protection and therapeutic action to cardiovascular diseases and glycosuria patient, can obviously reduce blood fat and blood glucose.Because the present composition has cooperative effect, so significantly curative effect can be promoted, present good gone out improvement myocardial ischemia, improve myocardial metabolism, cardiac nutrition, protecting myocardial cell, raising cardiac muscle antioxidative ability.Not only compositions treatment drug effect is better than single medicine but also reduces the dual function of dosage, is conducive to alleviating the side effect that prolonged application medicine produces human body, raising drug safety.Compositions better efficacy of the present invention, to have no side effect.
Detailed description of the invention
Below by embodiment, the present invention will be further described.
Embodiment 1
Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, be made up of the component of following masses part:
Radix Et Rhizoma Fagopyri Tatarici total flavonoids 1 part,
Gynostemma Pentaphyllum 2 parts,
Vitamin E 1 part,
Adjuvant 15 parts.
Described adjuvant forms by the component of following mass parts:
Starch 50 parts,
Microcrystalline Cellulose 10 parts,
Magnesium stearate 0.5 part.
Described Radix Et Rhizoma Fagopyri Tatarici total flavonoids is obtained by following each step:
(1) bran of Radix Et Rhizoma Fagopyri Tatarici being added 8 volumes concentration is doubly that the ethanol of 45v/v% carries out heating and refluxing extraction 4 hours, leaches extracting solution I; In residue, add 4 volumes concentration doubly is again that the ethanol of 35v/v% carries out heating and refluxing extraction 1 hour, leaches extracting solution II; In residue, add 7 quality water doubly again carry out heating and refluxing extraction 1.5 hours, leach extracting solution III; Merge extractive liquid, I and extracting solution II obtain extracting solution IV;
(2) by step (1) gained extracting solution IV and extracting solution III filtered while hot respectively, gained filtrate often pushes back receipts ethanol respectively, then places partial crystallization after concentrating respectively, leaches crystal and namely obtains Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product;
(3) in step (2) gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product, the ethanol that concentration is 80v/v% is added, be heated to boiling again, keep micro-to boil 3 minutes, then filter while hot, then filtrate is placed partial crystallization, until precipitation total flavones, then deionized water wash total flavones is used, to eluate color close to time colourless, then through sucking filtration or dehydration, then below 80 DEG C, carry out drying, namely obtain Radix Et Rhizoma Fagopyri Tatarici total flavonoids.In gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids, the content of rutin accounts for 90% of flavone total amount.
Described Gynostemma Pentaphyllum is obtained by following each step:
A, get Herb Gynostemmae Pentaphylli decontamination, then add Herb Gynostemmae Pentaphylli weight 15 times, the sodium hydroxide solution of pH=8 carries out heating decoction 70 minutes, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution I;
B, add Herb Gynostemmae Pentaphylli weight 8 times of water carry out heating decoction 60 minutes in the remaining filtering residue of step a, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution II;
C, by step a gained extracting solution I and step b gained extracting solution II with the flow velocity of 1 ~ 2 times of resin column volume per hour, successively by HPD-100 type macroporous adsorptive resins; Use the impurity such as pure water eluting saccharide again, to water lotion, molish reaction is for stopping washing time negative, then with resin column 2 times of volumes, concentration is the alcohol flushing resin post of 18v/v%, finally with resin column volume 6 times, concentration is that the ethanol of 70v/v% carries out eluting, collect the ethanol elution of 70v/v%, after reclaiming ethanol, warp concentrates and spraying dry, obtains Gynostemma Pentaphyllum.
Above-mentioned Radix Et Rhizoma Fagopyri Tatarici total flavonoids, Gynostemma Pentaphyllum fully mix in proportion, then add pharmaceutically acceptable adjuvant and be prepared into the conventional oral formulations of any one, as capsule, granule, oral liquid, pill or tablet.
Embodiment 2
Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, be made up of the component of following masses part:
Radix Et Rhizoma Fagopyri Tatarici total flavonoids 1.5 parts,
Gynostemma Pentaphyllum 3 parts,
Vitamin E 2 parts,
Adjuvant 10 parts.
Described adjuvant forms by the component of following mass parts:
Starch 40 parts,
Microcrystalline Cellulose 15 parts,
Magnesium stearate 0.8 part.
Described Radix Et Rhizoma Fagopyri Tatarici total flavonoids is obtained by following each step:
(1) bran of Radix Et Rhizoma Fagopyri Tatarici being added 6 volumes concentration is doubly that the ethanol of 55v/v% carries out heating and refluxing extraction 2 hours, leaches extracting solution I; In residue, add 6 volumes concentration doubly is again that the ethanol of 30v/v% carries out heating and refluxing extraction 2 hours, leaches extracting solution II; In residue, add 5 quality water doubly again carry out heating and refluxing extraction 0.5 hour, leach extracting solution III; Merge extractive liquid, I and extracting solution II obtain extracting solution IV;
(2) by step (1) gained extracting solution IV and extracting solution III filtered while hot respectively, gained filtrate often pushes back receipts ethanol respectively, then places partial crystallization after concentrating respectively, leaches crystal and namely obtains Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product;
(3) in step (2) gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product, the ethanol that concentration is 80v/v% is added, be heated to boiling again, keep micro-to boil 1 minute, then filter while hot, then filtrate is placed partial crystallization, until precipitation total flavones, then pure water total flavones is used, to eluate color close to time colourless, then through sucking filtration or dehydration, then below 80 DEG C, carry out drying, namely obtain Radix Et Rhizoma Fagopyri Tatarici total flavonoids.In gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids, the content of rutin accounts for 85% of flavone total amount.
Described Gynostemma Pentaphyllum is obtained by following each step:
A, get Herb Gynostemmae Pentaphylli decontamination, then add Herb Gynostemmae Pentaphylli weight 12 times, the sodium hydroxide solution of pH=8.5 carries out heating decoction 60 minutes, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution I;
B, add Herb Gynostemmae Pentaphylli weight 10 times of water carry out heating decoction 40 minutes in the remaining filtering residue of step a, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution II;
C, by step a gained extracting solution I and step b gained extracting solution II with the flow velocity of 2 times of resin column volumes per hour, successively by HPD-200 type macroporous adsorptive resins; Use the impurity such as pure water eluting saccharide again, to water lotion, molish reaction is for stopping washing time negative, then with resin column 2 times of volumes, concentration is the alcohol flushing resin post of 20v/v%, finally with resin column volume 5.7 times, concentration is that the ethanol of 80v/v% carries out eluting, collect the ethanol elution of 80v/v%, through crystallize and spraying dry after recovery ethanol, obtain Gynostemma Pentaphyllum.
Above-mentioned Radix Et Rhizoma Fagopyri Tatarici total flavonoids, Gynostemma Pentaphyllum fully mix in proportion, then add pharmaceutically acceptable adjuvant and be prepared into the conventional oral formulations of any one, as capsule, granule, oral liquid, pill or tablet.
Embodiment 3
Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, be made up of the component of following masses part:
Radix Et Rhizoma Fagopyri Tatarici total flavonoids 2 parts,
Gynostemma Pentaphyllum 4 parts,
Vitamin E 3 parts,
Adjuvant 20 parts.
Described adjuvant forms by the component of following mass parts:
Starch 45 parts,
Microcrystalline Cellulose 12 parts,
Magnesium stearate 1 part.
Described Radix Et Rhizoma Fagopyri Tatarici total flavonoids is obtained by following each step:
(1) bran of Radix Et Rhizoma Fagopyri Tatarici being added 5 volumes concentration is doubly that the ethanol of 50v/v% carries out heating and refluxing extraction 3 hours, leaches extracting solution I; In residue, add 5 volumes concentration doubly is again that the ethanol of 32v/v% carries out heating and refluxing extraction 3 hours, leaches extracting solution II; In residue, add 4 quality water doubly again carry out heating and refluxing extraction 1 hour, leach extracting solution III; Merge extractive liquid, I and extracting solution II obtain extracting solution IV;
(2) by step (1) gained extracting solution IV and extracting solution III filtered while hot respectively, gained filtrate often pushes back receipts ethanol respectively, then places partial crystallization after concentrating respectively, leaches crystal and namely obtains Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product;
(3) in step (2) gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product, the ethanol that concentration is 80v/v% is added, be heated to boiling again, keep micro-to boil 2 minutes, then filter while hot, then filtrate is placed partial crystallization, until precipitation total flavones, then pure water total flavones is used, to eluate color close to time colourless, then through sucking filtration or dehydration, then below 80 DEG C, carry out drying, namely obtain Radix Et Rhizoma Fagopyri Tatarici total flavonoids.In gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids, the content of rutin accounts for 87% of flavone total amount.
Described Gynostemma Pentaphyllum is obtained by following each step:
A, get Herb Gynostemmae Pentaphylli decontamination, then add Herb Gynostemmae Pentaphylli weight 10 times, the sodium hydroxide solution of pH=9 carries out heating decoction 90 minutes, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution I;
B, add Herb Gynostemmae Pentaphylli weight 7 times of water carry out heating decoction 45 minutes in the remaining filtering residue of step a, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution II;
C, by step a gained extracting solution I and step b gained extracting solution II with the flow velocity of 1 times of resin column volume per hour, successively by HPD-100 type macroporous adsorptive resins; Use the impurity such as pure water eluting saccharide again, to water lotion, molish reaction is for stopping washing time negative, then with resin column 2 times of volumes, concentration is the alcohol flushing resin post of 15v/v%, finally with resin column volume 5 times, concentration is that the ethanol of 75v/v% carries out eluting, collect the ethanol elution of 75v/v%, after reclaiming ethanol, warp is concentrated, obtains Gynostemma Pentaphyllum.
Above-mentioned Radix Et Rhizoma Fagopyri Tatarici total flavonoids, Gynostemma Pentaphyllum fully mix in proportion, then add pharmaceutically acceptable adjuvant and be prepared into the conventional oral formulations of any one, as capsule, granule, oral liquid, pill or tablet.
 
Get above-described embodiment gained Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound, for following health therapy:
One, treatment target
50 Cases of Diabetes; Hypertension 50 example; Hyperlipidemia 50 example; Have a low resistance 50 example; Coronary heart disease 50 example.
Above-mentioned all kinds of case is divided equally at random for treatment group and each 125 examples of matched group.
Two, usage
Treatment group takes above-described embodiment gained capsule, containing Radix Et Rhizoma Fagopyri Tatarici total flavonoids 20mg, Gynostemma Pentaphyllum 20mg in every, one time 2 ~ 3,3 times on the one, serve on 60 and observe.
Matched group takes the compound preparation of Folium Crataegi total flavones and Quinquefolium saponin, containing Folium Crataegi total flavones and Quinquefolium saponin 90mg altogether in every, one time 2 ~ 3,3 times on the one, serve on 60 and observe.
Three, result
Compound clinical effectiveness provided by the invention: obvious effective rate reaches 100%, reaches 85% to diabetes effective percentage; 90% is reached to hypertension effective percentage; 88% is reached to hyperlipidemia effective percentage; To having a low resistance, effective percentage reaches 92%; 86% is reached to coronary heart disease effective percentage.
And matched group reaches 65% to diabetes effective percentage; 63% is reached to hypertension effective percentage; 37% is reached to hyperlipidemia effective percentage; To having a low resistance, effective percentage reaches 70%; 59% is reached to coronary heart disease effective percentage.
Four, conclusion
Radix Et Rhizoma Fagopyri Tatarici total flavones provided by the invention and Gynostemma Pentaphyllum compound are rich in rutin, the Quercetin of glycosides, ginsenoside's constituents have good health protection and therapeutic action to cardiovascular diseases and glycosuria patient, can obviously reduce blood fat and blood glucose.Because the present composition has cooperative effect, so significantly curative effect can be promoted, present good gone out improvement myocardial ischemia, improve myocardial metabolism, cardiac nutrition, protecting myocardial cell, raising cardiac muscle antioxidative ability.Its therapeutical effect is better than the matched group of current therapies.
This Radix Et Rhizoma Fagopyri Tatarici total flavones and Gynostemma Pentaphyllum compound utilize plant extract purification completely, the advantages such as raw material easily obtains, and application safety, toxic and side effects are little, and obtained constant product quality is easy to use, without any side effects.

Claims (6)

1. Radix Et Rhizoma Fagopyri Tatarici total flavones and a Gynostemma Pentaphyllum compound, is characterized in that being made up of the component of following masses part:
Radix Et Rhizoma Fagopyri Tatarici total flavonoids 1 ~ 2 part,
Gynostemma Pentaphyllum 2 ~ 4 parts,
Vitamin E 1 ~ 3 part,
Adjuvant 10 ~ 20 parts.
2. Radix Et Rhizoma Fagopyri Tatarici total flavones according to claim 1 and Gynostemma Pentaphyllum compound, is characterized in that: described adjuvant forms by the component of following mass parts:
Starch 40 ~ 50 parts,
Microcrystalline Cellulose 10 ~ 15 parts,
Magnesium stearate 0.5 ~ 1 part.
3. Radix Et Rhizoma Fagopyri Tatarici total flavones according to claim 1 and Gynostemma Pentaphyllum compound, is characterized in that: described Radix Et Rhizoma Fagopyri Tatarici total flavonoids is obtained by following each step:
(1) bran of Radix Et Rhizoma Fagopyri Tatarici being added 5 ~ 8 volumes concentration is doubly that the ethanol of 45 ~ 55v/v% carries out heating and refluxing extraction 2 ~ 4 hours, leaches extracting solution I; In residue, add 4 ~ 6 volumes concentration doubly is again that the ethanol of 30 ~ 35v/v% carries out heating and refluxing extraction 1 ~ 3 hour, leaches extracting solution II; In residue, add 4 ~ 7 quality water doubly again carry out heating and refluxing extraction 0.5 ~ 1.5 hour, leach extracting solution III; Merge extractive liquid, I and extracting solution II obtain extracting solution IV;
(2) by step (1) gained extracting solution IV and extracting solution III filtered while hot respectively, gained filtrate often pushes back receipts ethanol respectively, then places partial crystallization after concentrating respectively, leaches crystal and namely obtains Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product;
(3) in step (2) gained Radix Et Rhizoma Fagopyri Tatarici total flavonoids crude product, the ethanol that concentration is 80v/v% is added, be heated to boiling again, keep micro-to boil 1 ~ 3 minute, then filter while hot, then filtrate is placed partial crystallization, until precipitation total flavones, then with deionized water or pure water total flavones, to eluate color close to time colourless, then through sucking filtration or dehydration, then below 80 DEG C, carry out drying, namely obtain Radix Et Rhizoma Fagopyri Tatarici total flavonoids.
4. Radix Et Rhizoma Fagopyri Tatarici total flavones according to claim 1 and Gynostemma Pentaphyllum compound, is characterized in that: described Gynostemma Pentaphyllum is obtained by following each step:
A, get Herb Gynostemmae Pentaphylli decontamination, then the aqueous slkali adding Herb Gynostemmae Pentaphylli weight 10 ~ 15 times carries out heating decoction 60 ~ 90 minutes, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution I;
B, add Herb Gynostemmae Pentaphylli weight 7 ~ 10 times of water carry out heating decoction 40 ~ 60 minutes in the remaining filtering residue of step a, then through filtering, filtrate is concentrated into 1/4 volume and leaves standstill, getting supernatant is extracting solution II;
C, by step a gained extracting solution I and step b gained extracting solution II with the flow velocity of 1 ~ 2 times of resin column volume per hour, successively by efficient D type macroporous adsorptive resins; Use pure water eluting impurity again, to water lotion, molish reaction is for stopping washing time negative, then with resin column 2 times of volumes, concentration is the alcohol flushing resin post of 15 ~ 20v/v%, finally with resin column volume 5 ~ 6 times, concentration is that the ethanol of 70 ~ 80v/v% carries out eluting, collect the ethanol elution of 70 ~ 80v/v%, to reclaim after ethanol through concentrated, crystallize and/or spraying dry, obtain Gynostemma Pentaphyllum.
5. Radix Et Rhizoma Fagopyri Tatarici total flavones according to claim 4 and Gynostemma Pentaphyllum compound, is characterized in that: the aqueous slkali of described step a is the sodium hydroxide solution of pH=8 ~ 9.
6. Radix Et Rhizoma Fagopyri Tatarici total flavones according to claim 4 and Gynostemma Pentaphyllum compound, is characterized in that: described step efficient D type macroporous adsorptive resins is just HPD-100 ~ 200 type macroporous adsorptive resins.
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