CN108524554A - A kind of method of general flavone in ultrasonic wave assisted extraction common polytrichum herb - Google Patents

A kind of method of general flavone in ultrasonic wave assisted extraction common polytrichum herb Download PDF

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CN108524554A
CN108524554A CN201810779583.0A CN201810779583A CN108524554A CN 108524554 A CN108524554 A CN 108524554A CN 201810779583 A CN201810779583 A CN 201810779583A CN 108524554 A CN108524554 A CN 108524554A
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polytrichum
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成晓霞
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    • A61K2236/333Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones using mixed solvents, e.g. 70% EtOH
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K2236/50Methods involving additional extraction steps
    • A61K2236/53Liquid-solid separation, e.g. centrifugation, sedimentation or crystallization
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/50Methods involving additional extraction steps
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Abstract

The invention discloses a kind of methods of general flavone in ultrasonic wave assisted extraction common polytrichum herb, are specifically implemented according to the following steps:Step 1, common polytrichum herb cleaned, dry, obtain common polytrichum herb coarse powder after crushing;Step 2, common polytrichum herb coarse powder is extracted using ultrasonic wave secondary organic solvent, obtains common polytrichum herb extract;Step 3, common polytrichum herb extract is handled using disodium phosphate soln, obtains common polytrichum herb general flavone crude extract;Step 4, common polytrichum herb general flavone crude extract is isolated and purified using macroporous absorbent resin, obtains common polytrichum herb general flavone.Extracting method of the present invention can in short-term, in high efficiency extraction common polytrichum herb general flavone, and easy to operate, resulting product quality is good, and content is high.

Description

A kind of method of general flavone in ultrasonic wave assisted extraction common polytrichum herb
Technical field
The invention belongs to technical field of extraction of Chinese traditional medicine, and in particular to general flavone in a kind of ultrasonic wave assisted extraction common polytrichum herb Method.
Background technology
Common polytrichum herb (Polytrichum commune L.ex Hedw.) belong to moss guiding principle, pigeon-wheat subclass, Polytrichales, Pigeon-wheat section, Polytrichum plant are a kind of common medicinal mosses, are used as medicine first appeared in the Song Dynasty《Jia Yu after-teeming book on Chinese herbal medicine》, book In contained " native horse " be pigeon-wheat, can lose that heat scattered poison, relieving bowels, to control bone hot.Written by Ming Dynasty's Li Shizhen《Compendium of Materia Medica》 In also include pigeon-wheat be " native horse-hair ", all herbal medicine is described as to its pharmacological property, it is sweet in flavor, it is cool in nature.Energy nourishing Yin and clearing heat, cool blood are stopped Sweat, smell is sweet to be dredged, nontoxic.Qing Dynasty Wu its dredge writing《The Illustrated Book on Plants》In also have described below, " native horse to pigeon-wheat Hair on the neck, good book on Chinese herbal medicine of helping begin to record.Wall clothing is born in person on cob wall head, and performance loses heat toxin ".Modern medicine scholar couple《Compendium of Materia Medica》Again What deciphering was completed later《This grass Gang Mu ﹒ check and punctuate sheets》Described in pigeon-wheat cure mainly heat long do not move back, tuberculosis cough, night sweat, haematemesis, just Blood, uterine bleeding, traumatic injury, the prolapse of uterus, knife wound bleeding.And to high husband's kirschner coccus, golden staphylococcus, pneumococcus, tuberculosis Bacillus is resistant, has certain inhibiting effect to cancers such as lymphocytic leukemias.
Began to be reported in media successively from 1993 to the research of pigeon-wheat plant chemical composition, Zheng Guo-qiang's grinds Study carefully group the multiform for picking up from Maryland is intended showing in pigeon-wheat Polytrichum ohioense Ren&Card it is antitumor Active chloroform is detached at grouping, is identified, 5 benzo coeroxene ketone chemical combination with novel structure skeleton are obtained Object.Next year, the research group divide the chemical composition for deforming pigeon-wheat Polytrichum pallidisetum Funck From, identification, get back 3 with novel structure skeleton benzo coeroxene ketone compounds and 2 structure novels benzene second Olefine aldehydr base and bibenzyl derivative.2008, Chen Sheng et al. follow-up stories were from picking up from Guiyang City, Guizhou Province Qing Yan, high hillside fields area It detached in common polytrichum herb Polytrichum Commune L.ex Hedw, identify 13 kinds of compounds:Diploptene, octacosane Sour methyl esters, octacosane acid butyl ester, octocosoic acid pentyl ester, cupreol, octocosoic acid octadecane alcohol ester, 20 acid 19 Alkanol ester, positive inearnatyl alcohol, n-octacosanol, stigmasterol, three octacosane acid glycerides, 5,7- dihydroxy -4'- methoxies Base -3'- acetyl group flavones, 3- oxo -30- carboxymethyl olive -12,18- diene -28- carboxylic acids., Fu Peng in 2009 et al. from Divide in the common polytrichum herb Polytrichum Commune L.ex Hedw on Zhejiang Province Longquan City Fengyangshan Nature Reserve crop field level ground From obtaining 11 kinds of compounds, respectively Communin A, Communin B, Ohioensin F, 6- acetyldihydros indoles, 4- Hydroxyl-O-Anisic Acid, 5- hydroxyl -7- methoxyl groups chromone, β-D- furans psicose, cupreol, 7 Alpha-hydroxy paddy steroids Alcohol, 11 times of condensates of ergosterol and ethylene glycol, P-hydroxybenzoic acid, 5,7- dihydroxy -6- methoxy coumarin -7-O- β - D-Glucose glycosides, sucrose, α-D- furans psicoses.Wherein Communin A and Communin B, which are two, has novel structure The styryl and flavanone kind composition of skeleton, Ohioensin F are benzo coeroxene ketone derivatives.
In addition, some researches show that anti-tumor active ingredient is mainly Flavonoid substances in common polytrichum herb, but to sum up may be used Know, at present to the research of active constituent in common polytrichum herb also in the elementary step, and yet there are no related common polytrichum herb The relevant report of middle flavonoids extraction process of active component, therefore, it is necessary to work out general flavone in a kind of common polytrichum herb Extracting method, to make up this vacancy, the development for antitumor field provides support.
Invention content
The present invention provides a kind of methods of general flavone in ultrasonic wave assisted extraction common polytrichum herb, solve in the prior art There is presently no in common polytrichum herb the problem of total flavone extracting method.
The present invention provides a kind of methods of general flavone in ultrasonic wave assisted extraction common polytrichum herb, specifically according to the following steps Implement:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, by common polytrichum herb coarse powder and mixed organic solvents according to 1g:The ratio of 40~50mL is uniformly mixed, and is obtained Mixture;It by mixture ultrasonic extraction, obtains being ultrasonically treated mixture, mixture filtering, concentration will be ultrasonically treated, obtain great Jin Rodendron extract;
Wherein, the ethyl alcohol that the mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio It mixes;
Step 3, it is added into the common polytrichum herb extract that step 2 obtains and is equivalent to common polytrichum herb extract weight 5~10 Deionized water again, it is 10~11 then to add alkali, regulation system pH value thereto, and stirring to common polytrichum herb extracts at 60 DEG C Object is completely dissolved, and obtains common polytrichum herb solution of extract;
The disodium hydrogen phosphate for being equivalent to common polytrichum herb extract weight 10% is added into common polytrichum herb solution of extract Solution, and a concentration of the 15% of disodium phosphate soln open stirring, until sediment is not further added by system, then mistake Filter, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains common polytrichum herb general flavone crude extract;
Step 4, the common polytrichum herb general flavone crude extract obtained in step 3 is crossed into large pore resin absorption column, and by big golden hair Moss general flavone crude extract and dried resin are according to being 1:30 weight ratio loading, for loading flow control in 2-3BV/h, absorption is complete Afterwards, it is washed with deionized water and takes off colourless to eluent, then eluted with the ethyl acetate of 50BV, coutroi velocity 2-3BV/h collects second Acetoacetic ester eluent, and by ethyl acetate eluent concentration, dry to get to general flavone in the common polytrichum herb.
Preferably, ultrasonic power is 120~180W in the step 2.
Preferably, ultrasonic extraction conditions are 45~60min of ultrasonic extraction at 70 DEG C in the step 2.
Preferably, the alkali being added in the step 3 is sodium hydroxide or potassium hydroxide.
Preferably, mixing speed is 500r/min in the step 3.
Preferably, the large pore resin absorption column is using deionized water as solvent wet method dress post, and fills the good macroporous absorption of column Resin column blade diameter length ratio is 1:15.
Preferably, model M301, the NKA-9 type of big pore adsorption resin in the large pore resin absorption column, AB-8, One kind in DM130 types.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention is not only substantially reduced and is carried using the general flavone in ultrasonic wave secondary organic solvent extraction common polytrichum herb The time is taken, the extracted amount of the general flavone in common polytrichum herb is also improved, improves yield.
2) present invention detaches not easy-to-use large pore resin absorption column in common polytrichum herb extract using disodium phosphate soln Polysaccharose substance and alcohols material precipitation be conducive to total to alleviate the burden of follow-up large pore resin absorption column separation The purifying of flavones.
3) extracting method of the present invention can in short-term, efficiently extract the general flavone in common polytrichum herb, and easy to operate, gained Superior product quality, content is high, at low cost, can be widely used to promote.
Specific implementation mode
In order to enable those skilled in the art to more fully understand, technical scheme of the present invention is practiced, with reference to specific Embodiment is next, and the invention will be further described, but illustrated embodiment is not as a limitation of the invention.
Experimental method described in following each embodiments is unless otherwise specified conventional method;Material therefor is such as without special Illustrate, can be commercially available on the market.
Embodiment 1
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 5L, after mixing To mixture;Ultrasonic extraction 45min under conditions of being 180W in 70 DEG C, ultrasonic power by mixture, obtains being ultrasonically treated mixing Object;It will be ultrasonically treated mixture filtering, concentration, obtain 18.2g common polytrichum herb extracts;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3,90ml deionized waters are added into the 18.2g common polytrichum herb extracts that step 2 obtains, then add thereto Sodium hydroxide, regulation system pH value are 10~11, stir at 60 DEG C and are completely dissolved to common polytrichum herb extract, obtain great Jin Rodendron solution of extract;
The disodium phosphate soln of 18.2g a concentration of 15% is added into common polytrichum herb solution of extract, opens stirring, Under the mixing speed of 500r/min then stirring is filtered until sediment is not further added by system, is collected filtrate and is depressurized Concentration, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains 8.326g common polytrichum herb general flavone crude extracts;
Step 4, the 8.326g common polytrichum herb general flavone crude extracts obtained in step 3 are crossed into large pore resin absorption column, and will The dried resin of common polytrichum herb general flavone crude extract and model DM130 are according to being 1:30 weight ratio loading, loading flow control In 2BV/h, after absorption completely, be washed with deionized water take off it is colourless to eluent, then with the ethyl acetate elution of 50BV, coutroi velocity For 2BV/h, ethyl acetate eluent is collected, and by ethyl acetate eluent concentration, dry to get in 2.081g common polytrichum herbs General flavone.
Embodiment 2
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 4L, after mixing To mixture;Ultrasonic extraction 60min under conditions of being 120W in 70 DEG C, ultrasonic power by mixture, obtains being ultrasonically treated mixing Object;It will be ultrasonically treated mixture filtering, concentration, obtain 20.10g common polytrichum herb extracts;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3,200ml deionized waters are added into the 20.10g common polytrichum herb extracts that step 2 obtains, then thereto It is 10~11 to add sodium hydroxide, regulation system pH value, stirs at 60 DEG C and is completely dissolved to common polytrichum herb extract, is obtained big Pigeon-wheat solution of extract;
The disodium phosphate soln of 20.10g a concentration of 15% is added into common polytrichum herb solution of extract, unlatching is stirred It mixes, stirs until sediment is not further added by system under the mixing speed of 500r/min, then filter, collect filtrate and simultaneously subtract Pressure concentration, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains 9.536g common polytrichum herb general flavone crude extracts;
Step 4, the 9.536g common polytrichum herb general flavone crude extracts obtained in step 3 are crossed into large pore resin absorption column, and will The dried resin of common polytrichum herb general flavone crude extract and model M301 are according to being 1:30 weight ratio loading, loading flow control exist 2BV/h after absorption completely, is washed with deionized water and takes off colourless to eluent, then with the elution of the ethyl acetate of 50BV, coutroi velocity is 2BV/h, collects ethyl acetate eluent, and by ethyl acetate eluent concentration, dry to get to total in 2.025g common polytrichum herbs Flavones.
Embodiment 3
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 5L, after mixing To mixture;Ultrasonic extraction 50min under conditions of being 150W in 70 DEG C, ultrasonic power by mixture, obtains being ultrasonically treated mixing Object;It will be ultrasonically treated mixture filtering, concentration, obtain 19.3g common polytrichum herb extracts;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3,100ml deionized waters are added into the 19.3g common polytrichum herb extracts that step 2 obtains, then thereto It is 10~11 to add potassium hydroxide, regulation system pH value, stirs at 60 DEG C and is completely dissolved to common polytrichum herb extract, is obtained big Pigeon-wheat solution of extract;
The disodium phosphate soln of 19.3g a concentration of 15% is added into common polytrichum herb solution of extract, opens stirring, Under the mixing speed of 500r/min then stirring is filtered until sediment is not further added by system, is collected filtrate and is depressurized Concentration, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains 8.892g common polytrichum herb general flavone crude extracts;
Step 4, the 8.892g common polytrichum herb general flavone crude extracts obtained in step 3 are crossed into large pore resin absorption column, and will The dried resin of common polytrichum herb general flavone crude extract and model AB-8 are according to being 1:30 weight ratio loading, loading flow control exist 3BV/h after absorption completely, is washed with deionized water and takes off colourless to eluent, then with the elution of the ethyl acetate of 50BV, coutroi velocity is 3BV/h, collects ethyl acetate eluent, and by ethyl acetate eluent concentration, dry to get to total in 2.012g common polytrichum herbs Flavones.
Embodiment 4
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 5L, after mixing To mixture;Ultrasonic extraction 55min under conditions of being 160W in 70 DEG C, ultrasonic power by mixture, obtains being ultrasonically treated mixing Object;It will be ultrasonically treated mixture filtering, concentration, obtain 19.6g common polytrichum herb extracts;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3,100ml deionized waters are added into the 19.6g common polytrichum herb extracts that step 2 obtains, then thereto It is 10~11 to add potassium hydroxide, regulation system pH value, stirs at 60 DEG C and is completely dissolved to common polytrichum herb extract, is obtained big Pigeon-wheat solution of extract;
The disodium phosphate soln of 19.6g a concentration of 15% is added into common polytrichum herb solution of extract, opens stirring, Under the mixing speed of 500r/min then stirring is filtered until sediment is not further added by system, is collected filtrate and is depressurized Concentration, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains 9.218g common polytrichum herb general flavone crude extracts;
Step 4, the 9.218g common polytrichum herb general flavone crude extracts obtained in step 3 are crossed into large pore resin absorption column, and will The dried resin of common polytrichum herb general flavone crude extract and model NKA-9 types is according to being 1:30 weight ratio loading, loading flow velocity control System is in 3BV/h, after absorption completely, is washed with deionized water and takes off colourless to eluent, then eluted with the ethyl acetate of 50BV, control is flowed Speed is 3BV/h, collects ethyl acetate eluent, and by ethyl acetate eluent concentration, dry to get to 2.015g common polytrichum herbs Middle general flavone.
It should be noted that large pore resin absorption column using deionized water as solvent wet method dress post, fills the good macroporous absorption of column Resin column blade diameter length ratio is 1:15.
In order to illustrate effect, the present invention is also provided with comparative example, specific as follows:
Comparative example 1
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 5L, after mixing To mixture;Ultrasonic extraction 45min under conditions of being 180W in 70 DEG C, ultrasonic power by mixture, obtains being ultrasonically treated mixing Object;It will be ultrasonically treated mixture filtering, concentration, obtain 18.2g common polytrichum herb extracts;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3, the 18.2g common polytrichum herb general flavone crude extracts obtained in step 2 are crossed into large pore resin absorption column, and will be big The dried resin of pigeon-wheat general flavone crude extract and model DM130 are according to being 1:30 weight ratio loading, loading flow control exist 2BV/h after absorption completely, is washed with deionized water and takes off colourless to eluent, then with the elution of the ethyl acetate of 50BV, coutroi velocity is 2BV/h, collects ethyl acetate eluent, and by ethyl acetate eluent concentration, dry to get to total in 2.132g common polytrichum herbs Flavones.
Comparative example 2
The method of general flavone, is specifically implemented according to the following steps in a kind of ultrasonic wave assisted extraction common polytrichum herb:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, common polytrichum herb coarse powder 100g is weighed, is added it in the mixed organic solvents of 5L, 2d is impregnated, has impregnated Filtering, concentration, obtain 15.6g common polytrichum herb extracts after finishing;
Wherein, the ethyl alcohol that mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3,80ml deionized waters are added into the 15.6g common polytrichum herb extracts that step 2 obtains, then add thereto Sodium hydroxide, regulation system pH value are 10~11, stir at 60 DEG C and are completely dissolved to common polytrichum herb extract, obtain great Jin Rodendron solution of extract;
The disodium phosphate soln of 15.6g a concentration of 15% is added into common polytrichum herb solution of extract, opens stirring, Under the mixing speed of 500r/min then stirring is filtered until sediment is not further added by system, is collected filtrate and is depressurized Concentration, obtains filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is subtracted after mixing Pressure concentration, obtains 7.658g common polytrichum herb general flavone crude extracts;
Step 4, the 7.658g common polytrichum herb general flavone crude extracts obtained in step 3 are crossed into large pore resin absorption column, and will The dried resin of common polytrichum herb general flavone crude extract and model DM130 are according to being 1:30 weight ratio loading, loading flow control In 2BV/h, after absorption completely, be washed with deionized water take off it is colourless to eluent, then with the ethyl acetate elution of 50BV, coutroi velocity For 2BV/h, ethyl acetate eluent is collected, and by ethyl acetate eluent concentration, dry to get in 1.916g common polytrichum herbs General flavone.
Examples 1 to 4 and comparative example 1~2 have extracted common polytrichum herb general flavone, using spectrophotometry to embodiment 1~4 and comparative example 1~2 in the performance of general flavone that extracts tested, concrete outcome is shown in Table 1.
1 general flavone testing result of table
Project General flavone acquisition amount (g/100g) General flavone recovery rate (%) General flavone content (%)
Embodiment 1 2.081 2.08 97.87
Embodiment 2 2.025 2.03 96.92
Embodiment 3 2.012 2.01 97.38
Embodiment 4 2.015 2.02 97.26
Comparative example 1 2.132 2.13 83.92
Comparative example 2 1.916 1.92 96.85
Note:General flavone recovery rate (%) calculation formula is as follows:The quality of general flavone quality (g)/common polytrichum herb.
As it can be seen from table 1 after method using the present invention extracts general flavone in common polytrichum herb, total Huang of acquisition Ketone amount is more, can extract to obtain the general flavone of 2g or so in the average common polytrichum herb per 100g, and obtains total yellow in final product Ketone content is also higher, reaches 96.9% or more, illustrates that the method for the present invention has extraction effect well to general flavone in common polytrichum herb Rate.
Common polytrichum herb extract does not pass through disodium phosphate soln and handles in documents 1, therefore certain wherein contained It is a little to be difficult to be maintained in product using the substance of large pore resin absorption column separation, influence the content of general flavone in product.
Without using ultrasonic wave assisted extraction in documents 2, so active ingredient extraction is insufficient in middle common polytrichum herb, The quality of finally obtained general flavone is low compared with embodiment.
In summary, extracting method of the present invention can in short-term, efficiently extract the general flavone in common polytrichum herb, and operate letter Just, resulting product quality is good, and content is high, at low cost, can be widely used to promote.
It should be noted that involved in description of the invention when numberical range, it is thus understood that two of each numberical range Any one numerical value can be selected between endpoint and two endpoints, since the step method of use is identical as Examples 1 to 4, It repeats in order to prevent, description of the invention preferred embodiment, once a person skilled in the art knows basic wounds The property made concept, then additional changes and modifications may be made to these embodiments.So the following claims are intended to be interpreted as includes Preferred embodiment and all change and modification for falling into the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (7)

1. a kind of method of general flavone in ultrasonic wave assisted extraction common polytrichum herb, which is characterized in that specifically real according to the following steps It applies:
Step 1, common polytrichum herb cleaned, dried, smashing it through 40 mesh sieve, obtaining common polytrichum herb coarse powder;
Step 2, by common polytrichum herb coarse powder and mixed organic solvents according to 1g:The ratio of 40~50mL is uniformly mixed, and is mixed Object;It by mixture ultrasonic extraction, obtains being ultrasonically treated mixture, mixture filtering, concentration will be ultrasonically treated, obtain common polytrichum herb Extract;
Wherein, the ethyl alcohol that the mixed organic solvents are 70% by volumetric concentration is with ethyl acetate according to 4:6 volume ratio mixing It forms;
Step 3, it is added into the common polytrichum herb extract that step 2 obtains and is equivalent to 5~10 times of common polytrichum herb extract weight Deionized water, it is 10~11 then to add alkali, regulation system pH value thereto, is stirred at 60 DEG C complete to common polytrichum herb extract Fully dissolved obtains common polytrichum herb solution of extract;
The disodium phosphate soln for being equivalent to common polytrichum herb extract weight 10% is added into common polytrichum herb solution of extract, And a concentration of the 15% of disodium phosphate soln, stirring is opened, until sediment is not further added by system, then filters, obtains To filtrate A;
Into filtrate A, addition and ethanol solution isometric filtrate A, filter, obtain liquor B, liquor B is depressurized dense after mixing Contracting, obtains common polytrichum herb general flavone crude extract;
Step 4, the common polytrichum herb general flavone crude extract obtained in step 3 is crossed into large pore resin absorption column, and common polytrichum herb is total Flavones crude extract and dried resin are according to being 1:30 weight ratio loading, loading flow control are used after 2-3BV/h, absorption completely Deionized water is eluted to that eluent is colourless, then is eluted with the ethyl acetate of 50BV, and coutroi velocity 2-3BV/h collects acetic acid second Ester eluent, and by ethyl acetate eluent concentration, dry to get to general flavone in the common polytrichum herb.
2. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 1, which is characterized in that described Ultrasonic power is 120~180W in step 2.
3. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 2, which is characterized in that described Ultrasonic extraction conditions are 45~60min of ultrasonic extraction at 70 DEG C in step 2.
4. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 1, which is characterized in that described The alkali being added in step 3 is sodium hydroxide or potassium hydroxide.
5. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 1, which is characterized in that described Mixing speed is 500r/min in step 3.
6. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 1, which is characterized in that described Large pore resin absorption column is using deionized water as solvent wet method dress post, and it is 1 to fill the good large pore resin absorption column blade diameter length ratio of column:15.
7. the method for general flavone in ultrasonic wave assisted extraction common polytrichum herb according to claim 6, which is characterized in that described One kind in large pore resin absorption column in model M301, the NKA-9 type of big pore adsorption resin, AB-8, DM130 type.
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CN116444473A (en) * 2022-11-16 2023-07-18 河北中医学院 Novel compound, preparation method and application thereof
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