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CN110146622A - The measuring method and quality assessment method of mangiferin in a kind of common bombax flower - Google Patents

The measuring method and quality assessment method of mangiferin in a kind of common bombax flower Download PDF

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Publication number
CN110146622A
CN110146622A CN201910511187.4A CN201910511187A CN110146622A CN 110146622 A CN110146622 A CN 110146622A CN 201910511187 A CN201910511187 A CN 201910511187A CN 110146622 A CN110146622 A CN 110146622A
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mangiferin
common bombax
bombax flower
solution
methanol
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宋霞
吴立斌
刘亚蓉
乔亚玲
张春平
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Qinghai Provincial Institute Of Drug Control And Inspection
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Qinghai Provincial Institute Of Drug Control And Inspection
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N30/06Preparation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/04Preparation or injection of sample to be analysed
    • G01N2030/042Standards
    • G01N2030/047Standards external

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

The invention discloses a kind of measuring methods of mangiferin in common bombax flower, and the present invention also provides a kind of quality assessment methods of common bombax flower, belong to drug tests.The present invention includes the following steps: to take pure mangiferin appropriate, 60% methanol is added, the reference substance solution that every lml contains 20 μ g mangiferins is made;Common bombax flower sample powder 0.5g is taken, 60% methanol 25ml is added, weighed weight is ultrasonically treated 1 hour, lets cool, then weighed weight, the weight of less loss is supplied with 60% methanol, is shaken up, and filters, takes subsequent filtrate, obtain solution to be detected;Reference substance solution and each 10 μ l of solution to be detected are drawn respectively, liquid chromatograph are injected, by content assaying method to get mangiferin content.The present invention obtains content in common bombax flower by the chromatographic peak of reference substance solution and the chromatographic peak comparing calculation of solution to be detected, convenient to detect to the content of the mangiferin in common bombax flower.The present invention can also effectively evaluate and test the quality of common bombax flower.

Description

The measuring method and quality assessment method of mangiferin in a kind of common bombax flower
Technical field
The present invention relates to drug test related fields, the measuring method and matter of mangiferin in specifically a kind of common bombax flower Measure evaluating method.
Background technique
Common bombax flower is a kind of fallen leaves megaphanerophyte, and 25 meters of Gao Keda, bark canescence, the trunk of treelet usually has coniform Thick thorn;Branch is open and flat.Common bombax flower has very high medical value, is Chinese medicine and Tibetan medicine common medicine.Current standard " Chinese Pharmacopoeia " Version one character, micro-, tlc identification method and leaching items for only having recorded common bombax flower in 2015, wherein thin-layer chromatography reflects Other method reference material is common bombax flower control medicinal material, and chemical component qualitatively or quantitatively determines method in uncharged common bombax flower." middle Chinese People republic the Sanitation Ministry medicine standard " character of common bombax flower (Tibetan language name: receiving loud, high-pitched sound lattice Sa) has only been recorded in Tibetan medicine first.It is existing Project is qualitatively or quantitatively determined without common bombax flower chemical component in standard, can not evaluate the quality good or not of common bombax flower, common bombax flower Quality research be badly in need of increase common bombax flower method for quantitatively determining.
Through consulting literatures, the existing research of common bombax flower is less, including in the research of common bombax flower micromorphology, common bombax flower GC-MS research, the common bombax flower chemical constitution study pharmacology correlative study of volatile oil component.Without any quantitative determination Research Literature Report.It can see from existing literature, it has been found that contain gallic acid, Quercetin, scopolactone, mangiferin in common bombax flower (C19H18O11), aurantiamarin, caffeic acid, oleanolic acid, fraxetin, aesculin, chlorogenic acid, Vitexin, luteolin, spun gold Peach glycosides, protocatechuic acid, gentianic acid, palmitinic acid, lauric acid, scopolin, aesculetin, aesculin, lupeol, feather fan ketone, Hu The chemical components such as glucoraphenin, succinic acid, naringenin also contain several unknown compounds.
Based on this, for the above existing chemical constitution study, the present invention proposes a kind of measurement of mangiferin in common bombax flower Method.
Summary of the invention
The purpose of the present invention is to provide a kind of measuring methods of mangiferin in common bombax flower, for detecting the awns in common bombax flower Fruit glycosides content.
The present invention also provides a kind of quality assessment methods of common bombax flower, detect mango by using above-mentioned measuring method Glycosides content, can be with the quality of effective evaluation common bombax flower.
The technical solution adopted by the present invention to solve the technical problems is:
The measuring method of mangiferin, includes the following steps: in a kind of common bombax flower
It takes pure mangiferin appropriate, 60% methanol is added, the reference substance solution that every lml contains 20 μ g mangiferins is made;
Common bombax flower sample powder 0.5g is taken, 60% methanol 25ml is added, weighed weight is ultrasonically treated 1 hour, lets cool, then Weighed weight is supplied the weight of less loss with 60% methanol, is shaken up, and filtration takes subsequent filtrate, obtains solution to be detected;
Reference substance solution and each 10 μ l of solution to be detected are drawn respectively, inject liquid chromatograph, by content assaying method, Up to mangiferin content.
More preferably, when hplc determination, using octadecylsilane chemically bonded silica as filler;It is 1:9 with volume ratio - 0.1% phosphoric acid solution of acetonitrile be mobile phase;Detection wavelength is 258nm, and theoretical cam curve is not less than by the calculating of mangiferin peak 3000。
More preferably, sonification power 200W, frequency 40kHz.
More preferably, the common bombax flower sample powder is screened before preparing solution to be detected through No. four.
A kind of quality assessment method of common bombax flower, using any of the above-described one measuring method.
The beneficial effects of the present invention are:
The measuring method of mangiferin in a kind of common bombax flower provided by the invention, can effectively improve mango using 60% methanol Glycosides (C19H18O11) recovery rate, solution to be detected and reference substance solution are detected by liquid chromatograph, by containing measure Determine method and obtains content in common bombax flower that is, by the chromatographic peak comparing calculation of the chromatographic peak of reference substance solution and solution to be detected, side Just the content of the mangiferin in common bombax flower is detected.
The present invention also provides a kind of quality assessment method of common bombax flower, the nature and flavor and channel tropism of common bombax flower: sweet, light, cool.Return Large intestine channel;Function and the major functions: clearing heat and promoting diuresis, removing toxic substances.For diarrhea, dysentery, hemorrhoid hemorrhage.Modern research suggests that common bombax flower has The effects of analgesia, anti-inflammatory, anticancer and AntiHIV1 RT activity, anti-oxidant, liver protection, diuresis, disease of cardiovascular system, decompression, hypoglycemic, antibacterial. And mangiferin has anti-inflammatory, antitumor, anti-oxidant, neuroprotection, brings down a fever, eases pain, the pharmacological actions such as anti parasitic.It can be seen that The pharmacological action of common bombax flower and mangiferin have important relevance, and mangiferin is the active chemical that common bombax flower plays drug effect, The superiority and inferiority that the quantitative target for using mangiferin as common bombax flower is used to evaluate common bombax flower quality has reasonability.Therefore pass through above-mentioned survey The method of determining can effectively detect the quality of common bombax flower.
Detailed description of the invention
Fig. 1 is common bombax flower finger-print (258nm) figure;
Fig. 2 is mangiferin full wavelength scanner figure;
Fig. 3 is the HPLC chromatogram of the reference substance of mangiferin;
Fig. 4 is the HPLC chromatogram of solution to be detected;
Fig. 5 is mangiferin testing result linear dependence figure.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
The nature and flavor and channel tropism of common bombax flower: sweet, light, cool.Return large intestine channel;Function and the major functions: clearing heat and promoting diuresis, removing toxic substances.For letting out It rushes down, dysentery, hemorrhoid hemorrhage.Modern research suggests that common bombax flower has analgesia, anti-inflammatory, anticancer and AntiHIV1 RT activity, anti-oxidant, liver protection, benefit The effects of urine, disease of cardiovascular system, decompression, hypoglycemic, antibacterial.Anti-inflammatory, the antitumor, antioxygen through having for Literature Consult mangiferin Change neuroprotection, brings down a fever, eases pain, the pharmacological actions such as anti parasitic.It can be seen that the pharmacological action of common bombax flower has with mangiferin Important relevance, mangiferin are therefore the active chemical of common bombax flower performance drug effect uses mangiferin quantifying as common bombax flower The superiority and inferiority that index is used to evaluate common bombax flower quality has reasonability.
It is prepared using different dicyandiamide solution extractions common bombax flower (methanol, ethyl alcohol, water, first alcohol and water, second alcohol and water) to be checked It surveys solution and the HPLC chromatogram of solution to be detected is obtained using high performance liquid chromatography (i.e. HPLC method), it can with same method To obtain the HPLC chromatogram of mangiferin reference substance solution, by comparing it can be seen that common bombax flower sample solution is in 200~400nm Different wave length in resulting chromatogram, have the highest chemical component of chromatographic peak always, the confirmed ingredient is mango Glycosides.
Embodiment:
1, determination of the mangiferin as target component
It is washed respectively with different flow visualizing (- 0.1% phosphoric acid solution of acetonitrile, -0.1% phosphoric acid solution of methanol) gradients De-, different solvent extraction sample, investigates chromatogram information under 258nm, 270nm, 310nm and 360nm respectively, and results sample exists In the finger-print formed under above-mentioned various chromatographic conditions, mangiferin chromatographic peak is top, is shown in the method investigated In, mangiferin content highest in common bombax flower, so that it is determined that common bombax flower is measurement ingredient.Chromatogram information is most rich at 258nm Richness selects 258nm to establish finger-print, as shown in Figure 1.17.585min chromatographic peak is mangiferin peak, peak area in finger-print Integrated value is maximum.
2, chromatographic condition
Chromatographic column: Agilent ZORBAX SB-C18 column (4.6mm × 250mm, 5 μm);
Column temperature: 35 DEG C;
Mobile phase: acetonitrile-phosphoric acid solution (10:90);
Flow velocity: 1.0mLmin-1;
Detection wavelength: 258nm;
10 μ L of reference substance sample volume, 10 μ L of sample injection volume;
Number of theoretical plate is calculated by mangiferin peak is not less than 32000.
3, prepared by reference substance solution
Take mangiferin reference substance appropriate, it is accurately weighed, add 60% methanol be made every l ml containing 20 μ g solution to get.
4, solution preparation to be detected
Common bombax flower medicinal powder (needing No. four pharmacopeia sieves) about 0.5g is taken, it is accurately weighed, it sets in stuffed conical flask, precision adds Enter 60% methanol 25ml, weighed weight, ultrasonic treatment (power 200W, frequency 40kHz) 1 hour is let cool, then weighed weight, is used 60% methanol supplies the weight of less loss, shakes up, filtration, take subsequent filtrate to get.
5, measuring method
Precision weighs above-mentioned for solution to be detected, reference substance solution injection liquid chromatograph, measurement respectively.
6, the selection of wavelength is measured
Full wavelength scanner is carried out to mangiferin reference substance chromatographic peak, as shown in Fig. 2, mangiferin has maximum suction at 258nm Wavelength is received, it is thus determined that absorbing wavelength is 258nm.Reference substance chromatogram is as shown in figure 3, solution chromatogram such as Fig. 4 to be detected institute Show.
7, the selection of Extraction solvent
Extracted respectively with a batch common bombax flower medicinal material using different Extraction solvents, be respectively adopted ethyl alcohol, Diluted Alcohol, methanol, 90% methanol, 70% methanol, 60% methanol, 50% methanol prepare sample solution, are measured, and as shown in table 1, as a result selection mentions When to take solvent be 60% methanol, the integrating peak areas value highest (being indicated in table with A mangiferin) of mangiferin chromatographic peak in common bombax flower, The recovery rate highest of mangiferin i.e. in common bombax flower.
Table 1
Extraction solvent Ethyl alcohol Diluted Alcohol Methanol 90% methanol 70% methanol 60% methanol 50% methanol
AMangiferin 809 1003 1014 1186 1252 1610 1344
8, the selection of extracting method and time
With a batch common bombax flower medicinal material, sample solution is prepared using heating reflux method and ultrasonic extraction respectively, such as 2 institute of table Show, ultrasonic time has investigated 30min, 60min, 90min, and ultrasound and the extraction result for being heated to reflux two methods mangiferin are basic Unanimously, since both modes can achieve similar effect, ultrasonic extraction is convenient, therefore uses easily operated ultrasound Method selects the ultrasonic extraction time for 60min.
Table 2
9, linear relationship is investigated
Precision draws mangiferin reference substance solution (concentration 0.0251mg/ml) 2,4,6,10,12,16 μ L, respectively in chromatography Under the conditions of measure, with peak area (A) to sample volume (μ g) carry out linear regression, obtain regression equation are as follows: y=300.68x- 118.37 r=0.996 6.As shown in table 3 and Fig. 5, the results showed that model of the mangiferin sample volume in 0.0502~0.4016mg There is good linear relationship in enclosing.
Table 3
10, precision test
Precision absorption mangiferin reference substance solution, continuous sample introduction 6 times.As shown in table 4, its peak area is recorded, mango is measured The RSD of glycosides peak area is 0.47%, illustrates that the precision of instrument is good.
Table 4
1 2 3 4 5 6 RSD
895.33 901.24 896.33 904.23 893.22 895.54 0.47%
11, stability test
It takes and supplies solution to be detected with a, at room temperature respectively in 0,4,8,12, sample introduction measurement for 24 hours, mangiferin average content RSD be 1.18%.As shown in table 5, the results showed that stablize for solution to be detected is interior for 24 hours at room temperature.
Table 5
0 4h 8h 10h 12h 24h RSD
1260.11 1254.24 1236.22 1246.33 1266.78 1278.21 1.18%
12, repetitive test
6 parts of same sample lots are taken, every part of about 0.5g is accurately weighed, it is prepared respectively by for solution manufacturing method to be detected, Sample introduction measures peak area respectively, calculates its content.The average content of mangiferin is 0.16%, RSD 1.77%.As shown in table 6, The result shows that: this method repeatability is good.
Table 6
1 2 3 4 5 6 Average (%) RSD
0.162 0.161 0.158 0.162 0.165 0.166 0.16 1.77%
13, sample recovery rate is tested
Precision weighs 6 parts of same batch of sample (every part of about 0.25g), is separately added into the mangiferin that concentration is 0.2010mg/ml Reference substance solution 2ml is prepared by solution manufacturing method to be detected, is measured by chromatographic condition, records its peak area.Such as table 7 Shown, the average recovery rate of mangiferin is 99.9%, RSD 0.9%.
Table 7
14, sample measures
By be collected into 19 batches of common bombax flower medicinal materials, respectively by " preparing for solution to be detected " method preparation, peak area is measured, Its content is calculated, as shown in table 8.
Table 8
Measuring 19 batches of common bombax flower sample size value ranges is 0.05%~0.25%, average value 0.14%, according to country Pharmacopeia can issue " " Chinese Pharmacopoeia " quality standards in Chinese drugs studies and defines technical requirements ", and assay limit is pressed under its average value Floating 20%, temporarily ordering limit is that " this product is calculated by dry product, (the C containing mangiferin19H18O11) 0.11% " must not be less than.According to drafting Limit has 5 batches of sample assay results not meet limit regulation.
From above-described embodiment as can be seen that the quantitative target that the present invention uses mangiferin as common bombax flower is used to evaluate common bombax flower The superiority and inferiority of quality has reasonability, determines the common bombax flower medicinal material of different sources, different batches, method is reliable, can be used for evaluating The quality good or not of common bombax flower.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (5)

1. the measuring method of mangiferin in a kind of common bombax flower, which comprises the steps of:
It takes pure mangiferin appropriate, 60% methanol is added, the reference substance solution that every 1ml contains 20 μ g mangiferins is made;
Common bombax flower sample powder 0.5g is taken, 60% methanol 25ml is added, weighed weight is ultrasonically treated 1 hour, lets cool, then weighed Weight is supplied the weight of less loss with 60% methanol, is shaken up, and filtration takes subsequent filtrate, obtains solution to be detected;
Draw reference substance solution and each 10 μ l of solution to be detected respectively, inject liquid chromatograph, by content assaying method to get Mangiferin content.
2. the measuring method of mangiferin in a kind of common bombax flower according to claim 1, which is characterized in that liquid chromatograph is surveyed Periodically, using octadecylsilane chemically bonded silica as filler;Using volume ratio for 1:9-0.1% phosphoric acid solution of acetonitrile as flowing Phase;Detection wavelength is 258nm, and theoretical cam curve is calculated by mangiferin peak is not less than 3000.
3. the measuring method of mangiferin in a kind of common bombax flower according to claim 1 or 2, which is characterized in that ultrasonic treatment Power is 200W, frequency 40kHz.
4. the measuring method of mangiferin in a kind of common bombax flower according to claim 3, which is characterized in that the kapok style Product powder is screened before preparing solution to be detected through No. four.
5. a kind of quality assessment method of common bombax flower, which is characterized in that apply any of the above-described one measuring method.
CN201910511187.4A 2019-06-13 2019-06-13 The measuring method and quality assessment method of mangiferin in a kind of common bombax flower Pending CN110146622A (en)

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CN110780007A (en) * 2019-12-11 2020-02-11 广西中医药大学制药厂 Method for evaluating 6 component contents of mango cough relieving tablet by HPLC (high performance liquid chromatography) method

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Application publication date: 20190820