CN113533613B - Method for identifying specific components in liver soothing granules - Google Patents

Method for identifying specific components in liver soothing granules Download PDF

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CN113533613B
CN113533613B CN202110805140.6A CN202110805140A CN113533613B CN 113533613 B CN113533613 B CN 113533613B CN 202110805140 A CN202110805140 A CN 202110805140A CN 113533613 B CN113533613 B CN 113533613B
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liver
reference substance
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CN113533613A (en
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殷世宁
陈安珍
尹丽华
宿曼筠
袁航
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Qingdao Institutes For Food And Drug Control (qingdao Center Fro Adr Monitoring Qingdao Laboratory Animal And Animal Experimental Center)
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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
    • G01N30/90Plate chromatography, e.g. thin layer or paper chromatography
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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Abstract

The invention discloses a method for identifying specific components in liver-soothing granules, which uses paeonol, geniposide, paeoniflorin and glycyrrhizin as standard substances and liquorice as reference medicinal materials to carry out thin-layer chromatography analysis. The invention can identify 4 traditional Chinese medicines in a specific way by utilizing an extraction method and two thin-layer conditions, has the advantages of simple, convenient and environment-friendly method, reduces the inspection cost of enterprises, is simple to operate and low in cost, and aims to provide references for drug effect substance basis and quality control research of liver-soothing granules, avoid judging the one-sided property of the whole quality of the preparation by only measuring single chemical components, and reduce the possibility of artificial treatment for reaching the standard of the quality.

Description

Method for identifying specific components in liver soothing granules
Technical Field
The invention belongs to the technical field of formula component detection, and particularly relates to a method for identifying specific components in liver-soothing granules.
Background
The liver soothing granule has effects of soothing liver, regulating qi, dispelling melancholy and regulating menstruation, and can be used for treating pain in hypochondrium, chest and abdomen distention, menoxenia, headache, blurred vision, vexation, bitter taste in mouth, dry throat, and facial black spot (chloasma) caused by stagnation of liver-qi. The prescription of the liver-soothing granule is prepared from 10 Chinese medicinal materials including bupleurum root, chinese angelica, white peony root, white atractylodes rhizome, poria cocos, licorice root, peppermint, tree peony bark, cape jasmine and nutgrass galingale rhizome.
The traditional Chinese medicine compound is prepared from a plurality of traditional Chinese medicines, has the principle of overall appearance and diagnosis and treatment, and is difficult to express the overall efficacy of the traditional Chinese medicine compound and can not fully control the quality because of complex ingredients of the traditional Chinese medicine compound and detection of single active ingredients. The identification method of the specific components of the tree peony bark is complex in operation, more reagents are consumed, identification and detection are needed to be carried out respectively, the identification method of the specific components of the tree peony bark is studied in the quality standard of the liver soothing granules, the method is complex, the number of waste products after identification is large, and the enterprise inspection cost is increased. Therefore, a method for identifying specific components in liver-soothing granules is needed.
Disclosure of Invention
The invention provides a method for identifying specific components in liver-soothing granules.
The invention comprises the following steps:
grinding the liver soothing particles to be detected, and adding water and diethyl ether according to the volume ratio of 1:3, carrying out ultrasonic treatment for 20 minutes, sucking the supernatant, volatilizing, and then adding acetone for dissolution to serve as a first sample solution;
b, taking paeonol reference substance, adding acetone to prepare a solution containing 1mg per 1ml, and taking the solution as a primary reference substance solution;
c, performing thin layer chromatography test, namely sucking 5 μl of reference substance solution, respectively spotting 20 μl of test substance solution on the same silica gel G thin layer plate, spreading with toluene and ethyl acetate mixed solution as developing agent, taking out, air drying, spraying mixed solution of hydrochloric acid and ferric trichloride ethanol solution, heating at 105deg.C until the spots develop clearly, and inspecting the chromatograms of the test substance and the reference substance under sunlight;
d, taking the lower liquid in the step A, adding n-butanol for ultrasonic extraction, and filtering to obtain a second sample solution;
e, adding ethanol into paeoniflorin, glycyrrhizin and geniposide reference substances to prepare a mixed reference substance solution containing 2mg of paeoniflorin, 0.5mg of glycyrrhizin and 1mg of geniposide per 1m1, and taking the mixed reference substance solution as a secondary reference substance solution; decocting Glycyrrhrizae radix control material 0.5g with water 25ml for 30 min, filtering, collecting filtrate, concentrating to about 10ml, and preparing Glycyrrhrizae radix medicinal material solution as secondary control medicinal material solution according to the preparation method of the second test sample solution;
f, performing a secondary thin layer chromatography test, sucking 4 μl of the sample solution, 2 μl of the secondary reference substance and the reference medicinal material solution, respectively spotting on a silica gel G thin layer plate, spreading with a mixed solution of ethyl acetate, formic acid, glacial acetic acid and water as a developing agent, taking out, air drying, spraying 10% sulfuric acid ethanol solution, heating at 105deg.C until spots are clear, and respectively inspecting the chromatograms of the sample, the reference substance and the reference medicinal material under sunlight and 365nm ultraviolet light.
Further, in the step C, toluene-ethyl acetate (9:1) is used as a developing agent, and a mixed solution of hydrochloric acid and 5% ferric trichloride ethanol solution (0.25 ml: 100 ml) is sprayed after the drying.
Further, in the step D, the lower layer liquid is taken, 25ml of water saturated n-butanol is added, ultrasonic extraction is carried out twice for 15 minutes each time, the n-butanol liquid after ultrasonic extraction is combined, 30ml of n-butanol saturated water is added, shaking washing is carried out, the n-butanol layer is taken, 2ml of ethanol is added into residues after evaporation to dissolve, and the residues are used as a sample solution for secondary thin layer identification.
Further, in step F, the developing agent comprises ethyl acetate, formic acid, glacial acetic acid and water, wherein the volume ratio of the ethyl acetate, the formic acid, the glacial acetic acid and the water is 15:1:1:2.
The method is applied to quality control of liver-soothing granules.
One or more embodiments of the present invention may have the following advantages over the prior art:
the invention can identify 4 traditional Chinese medicines in a specific way by utilizing an extraction method and two thin-layer conditions, has the advantages of simple, convenient and environment-friendly method, reduces the inspection cost of enterprises, is simple to operate and low in cost, and is expected to provide reference for the drug effect substance basis and quality control research of the liver-soothing granules.
The invention avoids the unilateral performance of judging the whole quality of the preparation by only measuring single chemical components, reduces the possibility of artificial treatment for reaching the quality standard, and simultaneously can more comprehensively and scientifically evaluate the quality of the liver-soothing granules by carrying out systematic analysis on a plurality of batches of samples, thereby ensuring the quality and curative effect of the product and providing a good solution for quality control, thereby having great practical application value.
Drawings
FIG. 1 is a comparison of paeonol thin layer chromatography identification patterns;
wherein S. paeonol reference NA. negative samples 1-10, samples of different batches
FIG. 2 is a comparison of thin layer chromatography identification patterns of fructus Gardeniae, glycyrrhrizae radix, radix Paeoniae alba and cortex moutan under sunlight
Wherein S is 1 A mixed reference substance S of glycyrrhizin, paeoniflorin and geniposide 2 Gardenia glycoside reference substance NA 1 Glycyrrhiza negative sample NA 2 Radix Paeoniae alba negative sample NA 3 Radix Paeoniae alba and cortex moutan negative sample NA 4 Gardenia negative samples 1-10. Samples of different batches;
FIG. 3 is a comparison of thin layer chromatography identification patterns of fructus Gardeniae, glycyrrhrizae radix, radix Paeoniae alba and cortex moutan under 365nm ultraviolet light;
wherein S is 1 A mixed reference substance S of glycyrrhizin, paeoniflorin and geniposide 2 Gardenia glycoside reference substance NA 1 Glycyrrhiza negative sample NA 2 Radix Paeoniae alba negative sample NA 3 Radix Paeoniae alba and cortex moutan negative sample NA 4 Gardenia negative samples 1-10. Samples of different batches;
Detailed Description
The drawings and the embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown.
In this example, 20g (sugar-containing type) or 6g (low sugar-containing type) of the sample was ground, 10ml (sugar-containing type) or 5ml (low sugar-containing type) of water was added, 30ml of diethyl ether was further added, the mixture was sealed, and the mixture was sonicated for 20 minutes, and the supernatant was sucked, evaporated, and dissolved in 0.5ml of acetone to give a sample solution. The lower layer is reserved.
And adding acetone into paeonol reference substance to obtain 1mg solution per 1ml, and taking the solution as reference substance solution. According to thin layer chromatography (rule 0502 of Chinese pharmacopoeia 2020 edition), sucking 5 μl of control solution and 20 μl of test solution, respectively spotting on the same silica gel G thin layer plate, spreading with toluene-ethyl acetate (9:1) as developing agent, taking out, air drying, spraying mixed solution of hydrochloric acid and 5% ferric trichloride ethanol solution (0.25 ml: 100 ml), and heating at 105deg.C until the spot color is clear.
As shown in FIG. 1, the spots of the same color appear on the chromatogram of the test sample at the positions corresponding to the chromatogram of the control sample when examined under sunlight. The lower liquid was taken, 25ml of water-saturated n-butanol was added, and ultrasonic extraction was performed twice for 15 minutes each time. Mixing n-butanol solutions, adding n-butanol saturated water 30ml, shaking, washing, collecting n-butanol layer, evaporating to dryness, and dissolving the residue with ethanol 2ml to obtain test solution. And adding ethanol into paeoniflorin, glycyrrhizin and geniposide reference substance to obtain mixed reference substance solution containing paeoniflorin 2 mg/1 m1, glycyrrhizin 0.5mg and geniposide 1 mg. Decocting Glycyrrhrizae radix control material 0.5g with water 25ml for 30 min, filtering, collecting filtrate, concentrating to about 10ml, and preparing Glycyrrhrizae radix control material solution according to sample solution preparation method. According to thin layer chromatography (rule 0502 of Chinese pharmacopoeia 2020 edition), sucking 4 μl of sample solution, 2 μl of reference substance and reference medicinal solution, respectively spotting on the same silica gel G thin layer plate, spreading with ethyl acetate-formic acid-glacial acetic acid-water (15:1:1:2) as developing agent, taking out, air drying, spraying with 10% sulfuric acid ethanol solution, heating to 105 deg.C until spots are clear, and respectively placing under sunlight and ultraviolet lamp (365 nm) for inspection. In the sample chromatogram shown in FIG. 2, spots of the same color appear at the positions corresponding to the control material and the control material chromatogram.
Comparative example
Grinding 15g (sugar-containing) or 5g (low sugar-containing) of the product, adding 20ml of ethyl acetate, reflux-extracting for 30 min, filtering, evaporating the filtrate to dryness, dissolving the residue with 1ml of methanol, and filtering to obtain filtrate as sample solution. Adding methanol into the gardenoside reference substance to obtain a solution containing 1mg per 1ml, and taking the solution as reference substance solution. According to the thin layer chromatography (appendix VIB) test, 5-10 μl of each of the above two solutions is sucked and respectively spotted on the same silica gel G thin layer plate, and the two solutions are spread with ethyl acetate-acetone-formic acid-water (10:6:2:0.5) as a developing agent, taken out, dried, sprayed with 10% sulfuric acid ethanol solution, and baked at 105 ℃ for about 10 minutes until spots are clear. Spots of the same color appear in the sample chromatogram at positions corresponding to those of the control chromatogram.
Taking the residue extracted by ethyl acetate under the condition of [ identification ] (1), volatilizing, adding 30ml of ethanol, reflux-extracting for 30 minutes, filtering, evaporating filtrate to dryness, adding 20ml of water into the residue, heating to dissolve, extracting 3 times with water-saturated n-butanol, each time with 0ml, combining n-butanol extract, washing 2 times with water, each time with 10ml, discarding water solution, evaporating n-butanol solution to dryness, and adding 1ml of ethanol into the residue to dissolve, thereby obtaining a sample solution. And adding ethanol into paeoniflorin reference substance to obtain a solution containing 1mg of paeoniflorin per 1m1 as reference substance solution. According to a thin layer chromatography (appendix VIB) test, 5-10 mu l of each of the two solutions is sucked and respectively spotted on the same silica gel G thin layer plate, and the two solutions are spread by using chloroform-methanol-ethyl acetate (8:4:1) as a developing agent, taken out, dried and sprayed with 5% vanillin sulfuric acid solution, and baked for a few minutes at 105 ℃ until spots are clear. Spots of the same color appear in the sample chromatogram at positions corresponding to those of the control chromatogram.
Compared with the comparative example, the invention has the advantages of improved efficiency, requirement of reflux extraction in the original standard, multiple times of extraction, long operation time and complex operation steps. The existing method only needs ultrasonic extraction and combined extraction.
In addition, as the detected medicine has more medicines, the original standard only detects 2 traditional Chinese medicines, and the existing method can detect 4 traditional Chinese medicines. The special property is strong, paeonol can only indicate the quality of moutan bark, paeoniflorin is a common component of the moutan bark and the white peony root, can indicate the quality of the moutan bark and the white peony root, geniposide can only indicate the quality of gardenia, glycyrrhizin can indicate the quality of liquorice, liquorice reference medicinal materials can only indicate the quality of liquorice, the detection method is safe, environment-friendly and low in cost, chloroform used in the identification process of paeoniflorin is an easy-to-poison reagent in the original standard, the solvent is abandoned in the existing preparation method, the safety and environment-friendly performance are ensured, the purchase cost of enterprises is reduced, the identification reliability is improved, the liquorice shows spots with different colors by using sunlight and 365nm ultraviolet light for inspection, and the identification reliability is improved.
It should be noted that the above examples are only for illustrating the technical solution of the present invention and are not limiting thereof. Although the present invention has been described in detail with reference to the examples given, those skilled in the art can make modifications and equivalents to the technical solutions of the present invention as required, without departing from the spirit and scope of the technical solutions of the present invention.

Claims (2)

1. The identification method of the specific components in the liver soothing granules is characterized by comprising the following steps:
A. grinding a to-be-detected product of the liver soothing granules, and adding water and diethyl ether according to a volume ratio of 1:3, carrying out ultrasonic treatment for 20 minutes, sucking the supernatant, volatilizing, adding acetone for dissolution, and taking the mixture as a first sample solution, wherein the lower layer is reserved;
B. taking paeonol reference substance, adding acetone to prepare a solution containing 1mg per 1ml, and taking the solution as a primary reference substance solution;
C. taking 5 μl of primary reference solution and 20 μl of first sample solution, respectively spotting on the same silica gel G thin layer plate, taking toluene-ethyl acetate volume ratio of 9:1 as developing agent, air drying, spraying mixed solution of hydrochloric acid and 5% ferric trichloride ethanol solution of 0.25 ml:100 ml, heating to 105deg.C until the spot color is clear, and inspecting the chromatograms of the sample and the reference sample in sunlight;
D. taking the lower liquid in the step A, adding 25ml of water saturated n-butanol, carrying out ultrasonic extraction twice for 15 minutes each time, combining the n-butanol liquid obtained after ultrasonic extraction, adding 30ml of n-butanol saturated water, shaking and washing, taking an n-butanol layer, evaporating residues, adding 2ml of ethanol to dissolve the residues, and taking the residues as a sample solution for secondary thin layer identification;
E. adding ethanol into paeoniflorin, glycyrrhizin and geniposide reference substance to obtain mixed reference substance solution containing paeoniflorin 2mg, glycyrrhizin 0.5mg and geniposide 1mg per 1ml, and taking as secondary reference substance solution; decocting Glycyrrhrizae radix control material 0.5g with water 25ml for 30 min, filtering, collecting filtrate, concentrating to about 10ml, and preparing Glycyrrhrizae radix medicinal material solution as secondary control medicinal material solution according to the preparation method of the second test sample solution;
F. performing secondary thin layer chromatography test, sucking 4 μl of the sample solution, and 2 μl of the secondary reference and reference medicinal solutions, respectively spotting on silica gel G thin layer plate, spreading with mixed solution of ethyl acetate, formic acid, glacial acetic acid and water at volume ratio of 15:1:1:2 as developing agent, taking out, air drying, spraying 10% sulfuric acid ethanol solution, heating at 105deg.C until spots are clear, and respectively placing under sunlight and 365nm ultraviolet lamp to inspect chromatograms of the sample, reference and reference medicinal materials.
2. Use of the method according to claim 1 for quality detection of liver-soothing particles.
CN202110805140.6A 2021-07-16 2021-07-16 Method for identifying specific components in liver soothing granules Active CN113533613B (en)

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