CN113336808A - Glucoside compound extracted and separated from lily, and method and application thereof - Google Patents

Glucoside compound extracted and separated from lily, and method and application thereof Download PDF

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CN113336808A
CN113336808A CN202110830176.XA CN202110830176A CN113336808A CN 113336808 A CN113336808 A CN 113336808A CN 202110830176 A CN202110830176 A CN 202110830176A CN 113336808 A CN113336808 A CN 113336808A
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lily
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glucoside
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CN113336808B (en
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李波
彭成
闫婕
谢晓芳
郭大乐
郑皓元
刘丁
吴涛
王喜阔
黄龙
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Chengdu Push Bio Technology Co ltd
Chengdu University of Traditional Chinese Medicine
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Chengdu University of Traditional Chinese Medicine
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Abstract

The invention discloses a glucoside compound extracted and separated from lily, a method and application thereof, wherein the structural formula of the glucoside compound is shown as (I). The glucoside compound is obtained by taking dried lily as a raw material and carrying out extraction and separation through the steps of ethanol reflux extraction, reduced pressure concentration, AB-8 resin column chromatography, C18 reversed phase chromatographic separation and the like, is a novel glucoside compound with novel structure and pharmacological activity, can be used for preparing anti-lung cancer drugs, and provides reliable basis for preparing new anti-cancer drugs, glycoside substance pharmaceutical research and the like.

Description

Glucoside compound extracted and separated from lily, and method and application thereof
Technical Field
The invention belongs to the technical field of phytochemistry, and particularly relates to a glycoside compound with pharmacological activity extracted and separated from lily, and a preparation method and application thereof.
Background
The Liliaceae Lilium plant has about 115 varieties all over the world, is mainly distributed in northern temperate regions and subtropical mountain regions, and is made into 39 varieties and 26 varieties, wherein 25 varieties and 19 varieties are special products in China. The bulb of the lily plant contains starch, and can be eaten and used as a medicine in some species; the fresh flower contains volatile oil, and can be used as perfume. The lily medicinal material collected from 2020 edition of China pharmacopoeia is derived from herba Clausenae LansiiLilium lancifoliumThunb, lily bulbL.brownii F. E. Brown var. viridulumBaker and Lilium tenuifoliumL.PumilumThe dry bulb of DC has effects of nourishing yin, moistening lung, clearing heart fire and tranquilizing mind, and can be used for treating chronic cough due to yin deficiency, chronic cough with hemoptysis, vexation, pavor, insomnia, dreaminess and absentmindedness. The edible lily is commonly used for dietary therapy, and has health promotion effects of relieving cough and asthma, lowering blood sugar, resisting tumor, improving sleep, enhancing immunity, preventing senile dementia, etc., and has high nutritive value.
A large number of researches show that the liliaceae plants mainly contain polysaccharides, flavonoids, polyphenols, saponins, amino acids, alkaloids, steroids and other components, and the existing literature for researching the chemical components of the liliaceae plants mainly comprises the following components:
(I) ZhouZhou, etc. "study of chemical composition of Toddalia chinensis" (the university of Beijing Chinese medicine, 1 month 2010, 33, No. 1 Chinese medicinal chemistry) reported that 15 compounds were separated from the bulb of Toddalia chinensis, and were respectively identified as (beta) -D-glucosyl- (1 → 4) -beta-D-glucopyranoside, ((beta) -D-fructofuranosyl-alpha-D-glucopyranoside, ((methyl) -alpha-D-glucopyranoside), (methyl-alpha-D-mannopyranoside), (adenosine, rhodanoside, seventy 1-O-p-coumaroyl glyceride, (diosgenin) 3-O- { O-alpha-L-rhamnosyl- (1 → 2) -O- [ beta-D-xylosyl (1 → 3) ] -beta-D-glucopyranoside -glucoside }, ninthly (25R) -3 beta, 17 alpha-dihydroxy-5 alpha-spirostan-6-one-3-O-alpha-L-rhamnosyl- (1 → 2) -beta-D-glucoside, ninthly (25R) -3 beta-hydroxy-5 alpha-spirostan-6-one-3-O-alpha-L-rhamnosyl- (1 → 2) -beta-D-glucoside, (11) (25R) -spirostan-5-en-3 beta-O-alpha-L-rhamnopyranose- (1 → 2) - [ beta-D-glucopyranose- (1 → 6) ] beta-D-glucopyranoside, (12) montanyl alcohol, (13) n-docosanoic acid, (14) stigmasterol, and (15) beta-sitosterol.
(II) Zhao national Hua, etc. "chemical Structure and antitumor Activity of Lily polysaccharide" (food and biotechnology, 1 month in 2002, vol. 21, 1 st stage), and reports the research on the separation and purification, chemical structure and antitumor activity of LBPS-I as the main component of Lily polysaccharide. 1) Homogeneous LBPS-I polysaccharide is obtained by water extraction, ethanol precipitation and column chromatography, and is pure non-starch glucose, which is glucose with alpha-D- (1,4) -Glcp and alpha-D- (1,3) -Glcp alternately forming a main chain in a ratio of 2:1 and alpha-D- (1,6) -Glcp side chains. 2) The research of the mouse transplanted solid tumor shows that LBPS-I has stronger inhibiting effect on transplanted melanin B16 and Lewis lung cancer.
And thirdly, the ginger shavings and the like are separated from the lily decoction pieces for the first time by adopting a hot water extraction ethanol precipitation method to obtain the water-soluble polysaccharide BHP. Molecular weight 75000, acid hydrolysis. Thin layer development was performed for analysis of polysaccharide components. And (3) developing color by using aniline phthalic acid. Spots such as D-galactose, L-arabinose, D-mannose, D-glucose, L-rhamnose and the like are presented. The polysaccharide acts on the immune system of the body. Has obvious opsonic effect on the immune function of mice.
And (IV) separating two polysaccharides LP1 and LP2 from fresh Lilium Candidum's bulb leaves produced in Sichuan. Respectively accounting for 0.55 percent and 0.25 percent of the fresh weight. In the component analysis of polysaccharide, LP1 consists of glucose and mannose in the ratio of 1 to 2.46 and has molecular weight of 79400, and LP2 consists of glucose, mannose, arabinose and galacturonic acid. The ratio of the two polysaccharides is 1:0.73:2.61:1.8:0.84, the molecular weight is 181500, the two polysaccharides have obvious blood sugar reducing function on mice with hyperglycemia caused by alloxan, and the two polysaccharides are positively correlated with the concentration.
From the content reported in the above documents, the existing research on chemical components of liliaceae plants mainly focuses on polysaccharide and steroid saponin compounds, and relatively few reports are made on other structural types of compounds. The inventor is in the process of preparing the pelletL. lancifoliumWhen active ingredients are researched, a novel medicinal compound is discovered and separated, the compound is a chlorphenyl glycoside compound, pharmacological activity research shows that the compound has certain anti-lung cancer activity, and scientific basis is provided for researching and developing novel anti-lung cancer medicaments.
Disclosure of Invention
The invention aims to provide a glucoside compound extracted and separated from lily. The novel compound with novel structure and pharmacological activity is obtained by extracting and separating from the lily medicinal material, further deepens the systematic research of the chemical components of the lily and provides a material basis for the research of the pharmacological action of the lily.
The second purpose of the invention is to provide a method for extracting and separating glucoside compounds from lily. The method takes dried lily as a raw material, and obtains the glucoside compound with a novel structure and pharmacological activity by the steps of ethanol reflux extraction, reduced pressure concentration, AB-8 resin column chromatography, C18 reversed phase chromatographic separation and the like.
The invention also aims to provide the application of the glucoside compound extracted and separated from the lily in preparing the anti-lung cancer medicament, and provide a reliable basis for preparing a new anti-lung cancer medicament.
The purpose of the invention is realized by the following technical scheme: a glycoside compound extracted and separated from lily, wherein the glycoside compound has a structural formula shown as (I):
Figure 202775DEST_PATH_IMAGE001
the glycoside compound with the structural formula shown in the formula (I) is obtained by extracting and separating dried lily, wherein the name of the glycoside compound is as follows: 2, 4-dichloro-3, 5-dimethoxy-benzyl-1-O-beta-D-glucopyranosyl- ((1 → 6) -beta-D-glucopyranoside, belonging to the chlorophenyl glycoside compounds with the name of lily neo-glycoside
Figure 365641DEST_PATH_IMAGE002
The Bulbus Lilii is Liliaceae plant herba CentellaeLilium lancifoliumDried bulbs of thunb.
The molecular weight of the lily neoside I is 561, and the molecular formula is C21H30O13Cl2
A method for extracting and separating glycoside compounds from lily comprises the following steps:
A. reflux extraction
Taking dried lily as a raw material, crushing, and performing reflux extraction by using 80-90% ethanol to obtain an extracting solution;
B. concentrating under reduced pressure
B, decompressing the extracting solution obtained in the step A to-0.08-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution for dispersion treatment to obtain a water dispersion;
C. resin column chromatography
B, carrying out wet loading on the aqueous dispersion obtained in the step B, carrying out column chromatography separation by using AB-8 macroporous adsorption resin, collecting a chromatographic solution containing glucoside components, and then carrying out reduced pressure concentration until no alcohol exists to obtain a concentrated solution;
c18 reverse phase chromatography column separation
And C, filtering the concentrated solution obtained in the step C, and separating the filtrate by using C18 reverse phase chromatographic packing under high pressure: a: acetonitrile B: 0.1% V/V formic acid water, a: B = 22: 78V/V as mobile phase; the detection wavelength is 215 nm;
E. concentrating
And D, concentrating the product collected liquid obtained in the step D at 50 ℃ under reduced pressure of-0.08 to-0.09 MPa until no acetonitrile exists, freeze-drying the concentrated liquid, grinding the dried solid into powder, and then carrying out vacuum drying at 45 ℃ to obtain a white powder, wherein the white powder is lily neo-glycoside I which is a glycoside compound and has a structural formula shown in the formula (I).
In the step A, the particle size of the crushed raw materials is 60-80 meshes.
In the step A, during reflux extraction, the weight of the ethanol is 8-10 times that of the raw materials.
In the step A, the reflux extraction is carried out for 3-5 times, and each time lasts for 1 hour.
In the step B, water is added into the concentrated extracting solution according to the volume ratio of 1: 6-1: 10 for dispersing treatment.
In the step C, the mobile phase used for the AB-8 macroporous adsorption resin column chromatography separation is methanol-water =50: 50V/V.
The white powder obtained by extraction and separation of the invention has positive Molish reaction, and is further proved to be a glucoside compound.
On the basis, the further analysis results are as follows:
ESI-MS (electrospray ionization mass spectrometry) of glycoside compounds with the structural formula shown in (I) shows that: m/z 560.09 [ M-H]- ;562.33 [M+H]+,584.36 [M+Na]+The molecular weight of the compound is 561, the molecular formula is C21H30O13Cl2。IRνmax(KBr,cm-1):3400.6,1649.6,1026.0,999.7, 8272,766.2 cm-1;UV λmax201 (3.72) nm。
2 methoxy groups are seen on the hydrogen spectrumδ H3.82, 3.88 (each 3H, s). Shows two glycosyl-terminated hydrogen signals in the low-field part: (δ H4.29, d =7.6 Hz, 1H; 4.26, d =7.6 Hz, 1H). Full attribution of hydrocarbons by HSQC, discovery of delta by HMBCH 4.26 (H-1') and δC66.8 (C-6'), descriptionThe sugar unit being attached to C-6, deltaH 4.29 (H-1') and deltaC68.7 (C-6 ') which indicates that the sugar unit is attached to C-6'. Combining literature nuclear magnetic data, the compound is determined to be:
2,4-dichloro-3,5-dimethoxyl-benzyl-1-O-β-D-glucopyranosyl-((1→6)-β-D-glucopyranoside, chinese name: 2, 4-dichloro-3, 5-dimethoxy-benzyl-1-O-beta-D-glucopyranosyl- ((1 → 6) -beta-D-glucopyranoside, a related report of the compound is not found through the search of a scifinder, and the compound is determined to be a new glycoside structure and is named as lily new glycoside I.
1H-NMR and13the C-NMR data are shown in Table 1 below.
Figure 998747DEST_PATH_IMAGE003
By passing1H-NMR、13C-NMR and DEPT135 ℃ and nuclear magnetism two-dimensional analysis technical means such as HSQC, HMBC, H-HCOSY, NOESY and the like determine that the compound is as follows: the structural formula of the lily neoside I (neoglucoside compound) is shown as the formula (I).
Meanwhile, pharmacological experiments prove that the glucoside compound extracted and separated by the method disclosed by the invention and having the structural formula shown in the formula (I) has certain anti-lung cancer activity and can be applied to preparation of anti-lung cancer drugs.
The invention has the beneficial technical effects that:
1. the novel glycoside compound provided by the invention is obtained by extracting and separating from dried lily, has a structural formula shown in (I), is determined in structure, and provides scientific basis for systematic research on chemical components and pharmacological action of lily.
2. The invention uses liliaceae plant lilium tigrinumL. lancifoliumThe dried bulb is taken as a raw material, and glucoside compounds are obtained through the technical steps of ethanol reflux extraction, AB-8 column chromatography separation and purification, C18 reversed phase chromatographic packing high-pressure preparation and separation and the likeThe purity of I is more than 99 percent, the time consumption of the whole production process is short, and the method is suitable for industrial production.
3. The invention reports the structure of the lily neoside I for the first time, determines the relative configuration according to relevant data such as nuclear magnetism two-dimension and the like, and is a novel glucoside compound; pharmacological research proves that the compound has certain anti-lung cancer activity, can be used as a latent structure for development and utilization, and provides reliable basis for the aspects of large-scale tissue culture for producing glucoside substances, activity research of the glucoside substances, research and development of new anti-cancer drugs and the like.
Detailed Description
The present invention will be described in further detail with reference to examples. It should be noted, however, that the following examples are not to be construed as limiting the scope of the present invention, and that many insubstantial modifications and variations of the invention can be made by those skilled in the art without departing from the spirit and scope of the invention as set forth herein.
Example 1:
a glycoside compound extracted from Bulbus Lilii is white powder, has positive Molish reaction, molecular weight of 561, and molecular formula C21H30O13Cl2Having the formula (I):
Figure 381318DEST_PATH_IMAGE001
the glucoside compound is sudandanL. lancifoliumThe dried bulb is obtained by extraction and separation, and the specific steps are as follows:
A. reflux extraction
Taking dried lily as a raw material, crushing, and performing reflux extraction by using 80-90% ethanol to obtain an extracting solution;
B. concentrating under reduced pressure
B, decompressing the extracting solution obtained in the step A to-0.08-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution for dispersion treatment to obtain a water dispersion;
C. resin column chromatography
B, carrying out wet loading on the aqueous dispersion obtained in the step B, carrying out column chromatography separation by using AB-8 macroporous adsorption resin, collecting a chromatographic solution containing glucoside components, and then carrying out reduced pressure concentration until no alcohol exists to obtain a concentrated solution;
c18 reverse phase chromatography column separation
And C, filtering the concentrated solution obtained in the step C, and separating the filtrate by using C18 reverse phase chromatographic packing under high pressure: a: acetonitrile B: 0.1% V/V formic acid water, a: B = 22: 78V/V as mobile phase; the detection wavelength is 215 nm;
E. concentrating
And D, decompressing the collected liquid of the product obtained in the step D to-0.08 to-0.09 MPa at 50 ℃ until no acetonitrile exists, freeze-drying the concentrated liquid, grinding the dried solid into powder, and then carrying out vacuum drying at 45 ℃ to obtain white powder, namely the glucoside compound with the structural formula shown in the formula (I).
Example 2:
collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb) of 10kg, pulverizing to 60 mesh, adding 8 times of 80wt% ethanol, reflux extracting for 3 times, each for 1 hr, and mixing extractive solutions; decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution according to the volume ratio of 1:6 for dispersion treatment to obtain 20L of aqueous dispersion; loading the aqueous dispersion by wet method, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V is mobile phase), collecting chromatography liquid containing glucoside components, and concentrating under reduced pressure until no alcohol exists to obtain concentrated solution 5L; filtering the concentrated solution, separating the filtrate by using C18 reversed phase chromatographic packing under high pressure (A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase, detection wavelength is 215 nm), collecting corresponding chromatographic peaks, concentrating the product collected solution at 50 ℃ under reduced pressure to-0.08 to-0.09 MPa until no acetonitrile exists, freeze-drying the concentrated solution, grinding the dried solid into powder, and vacuum-drying at 45 ℃ to obtain 6g of white powder product which is the glycoside compound with the structural formula shown in (I).
The whole production process takes about 5 days;
the purity of the product was determined to be 99.36% by rechecking the product purity by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 3:
collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb) of 20kg, pulverizing to 70 mesh, adding 8.5 times of 85wt% ethanol, reflux extracting for 4 times, each for 1 hr, and mixing extractive solutions; decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution according to the volume ratio of 1:7 for dispersion treatment to obtain 36L of aqueous dispersion; loading the aqueous dispersion by wet method, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V is mobile phase), collecting chromatography liquid containing glucoside components, and concentrating under reduced pressure until no alcohol exists to obtain concentrated solution 12L; filtering the concentrated solution, separating the filtrate by using C18 reversed phase chromatographic packing under high pressure (A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase, detection wavelength is 215 nm), collecting corresponding chromatographic peaks, concentrating the product collected solution at 50 ℃ under reduced pressure to-0.08 to-0.09 MPa until no acetonitrile exists, freeze-drying the concentrated solution, grinding the dried solid into powder, and vacuum-drying at 45 ℃ to obtain 13g of white powder product which is the glycoside compound with the structural formula shown in (I).
The whole production process takes about 6 days;
the purity of the product was determined to be 99.08% by rechecking the product purity by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 4:
collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb) of 30kg, pulverizing to 80 mesh, adding 9 times of ethanol with concentration of 90wt%, reflux extracting for 5 times, each for 1 hr, and mixing extractive solutions; decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution according to the volume ratio of 1:8 for dispersion treatment to obtain 58L of aqueous dispersion; loading the aqueous dispersion by wet method, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V is mobile phase), collecting chromatography liquid containing glucoside components, and concentrating under reduced pressure until no alcohol exists to obtain 23L of concentrated solution; filtering the concentrated solution, and separating the filtrate by C18 reverse phase chromatography under high pressure(A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase; detection wavelength is 215 nm), corresponding chromatographic peaks are collected, a product collection liquid is concentrated to be acetonitrile-free after being decompressed to-0.08 to-0.09 MPa at 50 ℃, a concentrated solution is freeze-dried, a dried solid is ground into powder, and the powder is vacuum-dried at 45 ℃, so that 20g of a white powder product is obtained, and the glycoside compound is the glycoside compound with the structural formula shown in (I).
The whole production process takes about 7 days;
the purity of the product was determined to be 99.16% by rechecking the product by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 5:
A. collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb) of 50kg, pulverizing to 60 mesh, adding 8 times of 80wt% ethanol, reflux extracting for 3 times, each for 1 hr, and mixing extractive solutions;
B. decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution according to the volume ratio of 1:6 for dispersion treatment to obtain 90L of aqueous dispersion;
C. loading the aqueous dispersion by wet method, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V is mobile phase), collecting chromatography liquid containing glucoside components, and concentrating under reduced pressure until no alcohol exists to obtain 30L concentrated solution;
D. filtering the concentrated solution, separating the filtrate with C18 reversed phase chromatography packing under high pressure (A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase; detection wavelength is 215 nm), and collecting corresponding chromatographic peak;
E. and (3) decompressing the collected liquid of the product to-0.08 to-0.09 MPa at 50 ℃ and concentrating to be dry, grinding the solid into powder, and then drying by air blowing at 45 ℃ to obtain 32g of white powder product, namely the glucoside compound with the structural formula shown in the formula (I).
The whole production process takes about 7 days;
the purity of the product was found to be 99.21% by rechecking the product purity by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 6:
A. collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb) of 50kg, pulverizing to 70 mesh, adding 10 times of ethanol with concentration of 85wt%, reflux extracting for 5 times, each for 1 hr, and mixing extractive solutions;
B. decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, adding water into the concentrated extracting solution according to the volume ratio of 1:10, and dispersing to obtain 120L of aqueous dispersion;
C. loading the aqueous dispersion by wet method, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V is mobile phase), collecting chromatography liquid containing glucoside components, and concentrating under reduced pressure until no alcohol exists to obtain concentrated solution 50L;
D. filtering the concentrated solution, separating the filtrate with C18 reversed phase chromatography packing under high pressure (A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase; detection wavelength is 215 nm), and collecting corresponding chromatographic peak;
E. and (3) concentrating the collected liquid of the collected liquid product at 50 ℃ under reduced pressure to-0.08 to-0.09 MPa until no acetonitrile exists, freeze-drying the concentrated liquid, grinding dried solid into powder, and then carrying out vacuum drying at 45 ℃ to obtain 38g of a white powder product, namely the glucoside compound with the structural formula shown in the formula (I).
The whole production process takes about 9 days;
the purity of the product was determined to be 99.34% by rechecking the product purity by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 7:
A. collecting dried Bulbus Lilii (herba Zosterae Marinae)L. lancifoliumDried bulb of (1) by a weight ratio, pulverizing to 80 mesh, adding 9 times of ethanol with a concentration of 90wt%, reflux-extracting for 4 times, each for 1 hour, and mixing the extractive solutions;
B. decompressing the extracting solution to-0.08 to-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution according to the volume ratio of 1:9 for dispersion treatment to obtain 100L of aqueous dispersion;
C. wet loading the aqueous dispersion, separating with AB-8 macroporous adsorbent resin column chromatography (methanol: water =50: 50V/V as mobile phase), collecting chromatography liquid containing total flavone component, and concentrating under reduced pressure until no alcohol exists to obtain 40L concentrated solution;
D. filtering the concentrated solution, separating the filtrate with C18 reversed phase chromatography packing under high pressure (A: acetonitrile B: 0.1% V/V formic acid water, A: B = 22: 78V/V is mobile phase; detection wavelength is 215 nm), and collecting corresponding chromatographic peak;
E. and (3) decompressing the collected liquid of the collected liquid product to-0.08 to-0.09 MPa at 50 ℃ and concentrating until no acetonitrile exists, freeze-drying the concentrated liquid, grinding the dried solid into powder, and then carrying out vacuum drying at 45 ℃ to obtain 35g of white powder product, namely the glucoside compound with the structural formula shown in the formula (I).
The whole production process takes about 8 days;
the purity of the product was determined to be 99.19% by rechecking the product purity by reverse phase analytical liquid chromatography (RP-HPLC) by replacing the mobile phase components (A: methanol B: 0.1% V/V formic acid water, A: B = 46: 54V/V as the mobile phase; detection wavelength 215 nm).
Example 8:
the following experiment was carried out by arbitrarily selecting the white powdery compound having the structural formula shown in (I) obtained by extraction and separation in the above example 4 (i.e., so-called neoliloside I in the following experiment):
anti-lung cancer activity test of the compound:
(1) experimental materials and instruments
Cell: a. the549Cells (Wuhan Punuousel life science and technology limited)
Drugs and reagents: lily neoside I (purity > 99.0%, self-made); the DMSO solution is dissolved, the concentration of the prepared mother liquor is 200 mu mol/L, 1 mu L of the mother liquor is diluted to 1ml by serum-free culture medium each time, and the volume ratio of the mother liquor to the serum-free culture medium is 1: 4 for dilution. RPMI-1640 medium (Gibco, batch No. 8120139, USA), FBS (Procell, USA, batch No. SA 201126), PBS buffer powder (Wuxi Aorui Dongyuan Biotech, Inc.), pancreatin (bioflorox, batch No. EZ6688C 183), penicillin-streptomycin solution (bioharp, batch No. 1334GR 005), MTT (bioflorox, batch No. EZ6688D 183), DMSO (Doudotolong chemical, batch No. 67-68-5)
The instrument comprises the following steps: thermo Varlosks microplate reader (Thermo Fisher Scientific, USA), Allegra X-30R centrifuge (Beckman Coulter, USA), ultra clean bench (Changhong Mei Ling Ltd.), inverted microscope (Zeiss, Germany), CO2Constant temperature incubator (siemens electronic limited, suzhou).
(2) Experimental methods
Using 10% 1640 complete medium at 37 ℃ with 5% CO2The culture was carried out under concentration conditions. Digesting the cells in logarithmic growth phase to prepare cell suspension, and then preparing the cell suspension by 1 × 104One/ml was inoculated in 96-well plates in CO2Culturing in a constant temperature incubator for 24 h. Discarding the culture medium, washing with PBS for 1 time, adding different concentrations of neoliensin I (each group has 3 multiple wells), and adding 3-well blank culture medium as normal control group; it is put back into CO2Culturing in a constant temperature incubator for 24 h. Then 20 mu L of MTT solution is put into the culture medium for culture for 4h, the culture solution is discarded, 150 mu L of DMSO solution is added into each hole, the mixture is put into a microplate reader for oscillation for 5min, and then the absorbance (OD) is detected at the wavelength of 490 nm.
Data were processed using SPSS 26.0 statistical software and results were expressed as mean. + -. standard deviation (). One way ANOVA (One way-ANOVA) was used for comparisons between groups.
(3) Results of the experiment
As can be seen in the following table 1, the lily neoside I has inhibitory activity on the proliferation of A549 cells cultured in vitro, the maximum inhibition rate in the research dosage is 65.10%,IC 50is 0.029 (0.012-0.102) μmol/L.
Figure 110238DEST_PATH_IMAGE004
Therefore, the glucoside compound with the structural formula shown in (I) extracted and separated by the invention can be applied to the preparation of anti-lung cancer drugs.

Claims (8)

1. A glycoside compound extracted and separated from lily, wherein the glycoside compound has a structural formula shown as (I):
Figure DEST_PATH_IMAGE002
the glycoside compound represented by formula (I) is prepared from Liliaceae plant Plumbum PreparatiumLilium lancifoliumDried bulbs of thunb, under the literal name: 2, 4-dichloro-3, 5-dimethoxy-benzyl-1-O-beta-D-glucopyranosyl- ((1 → 6) -beta-D-glucopyranoside, molecular weight 561, molecular formula C21H30O13Cl2The name is as follows: and (3) lily neoside I.
2. The method for preparing the glycoside compound extracted and separated from lily as claimed in claim 1, which mainly comprises the following steps:
A. reflux extraction
Taking dried lily as a raw material, crushing, and performing reflux extraction by using 80-90% ethanol to obtain an extracting solution;
B. concentrating under reduced pressure
B, decompressing the extracting solution obtained in the step A to-0.08-0.09 MPa, concentrating until no alcohol exists, and then adding water into the concentrated extracting solution for dispersion treatment to obtain a water dispersion;
C. resin column chromatography
B, carrying out wet loading on the aqueous dispersion obtained in the step B, carrying out column chromatography separation by using AB-8 macroporous adsorption resin, collecting a chromatographic solution containing glucoside components, and then carrying out reduced pressure concentration until no alcohol exists to obtain a concentrated solution;
c18 reverse phase chromatography column separation
And C, filtering the concentrated solution obtained in the step C, and separating the filtrate by using C18 reverse phase chromatographic packing under high pressure: a: acetonitrile B: 0.1% V/V formic acid water, a: B = 22: 78V/V as mobile phase; the detection wavelength is 215 nm;
E. concentrating
And D, decompressing the collected liquid of the product obtained in the step D to-0.08 to-0.09 MPa at 50 ℃ until no acetonitrile exists, freeze-drying the concentrated liquid, grinding the dried solid into powder, and then carrying out vacuum drying at 45 ℃ to obtain white powder, namely the glucoside compound with the structural formula shown in the formula (I).
3. The method for extracting and separating glycosides from lily as claimed in claim 2, wherein: in the step A, the particle size of the crushed raw materials is 60-80 meshes.
4. The method for extracting and separating glycosides from lily as claimed in claim 2, wherein: in the step A, during reflux extraction, the weight of the ethanol is 8-10 times that of the raw materials.
5. The method for extracting and separating glycosides from lily as claimed in claim 2, wherein: in the step A, the reflux extraction is carried out for 2-3 times, and each time lasts for 1 hour.
6. The method for extracting and separating glycosides from lily as claimed in claim 2, wherein: in the step B, water is added into the concentrated extracting solution according to the volume ratio of 1: 6-1: 10 for dispersing treatment.
7. The method for extracting and separating glycosides from lily as claimed in claim 2, wherein: in the step C, the mobile phase used for the AB-8 macroporous adsorption resin column chromatography separation is methanol-water =50: 50V/V.
8. Use of the glycoside compound extracted from Bulbus Lilii of claim 1 in preparing anti-lung cancer medicine.
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