CN1651383A - Preparation method of natural crystalized gingerol - Google Patents
Preparation method of natural crystalized gingerol Download PDFInfo
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- CN1651383A CN1651383A CN 200410052573 CN200410052573A CN1651383A CN 1651383 A CN1651383 A CN 1651383A CN 200410052573 CN200410052573 CN 200410052573 CN 200410052573 A CN200410052573 A CN 200410052573A CN 1651383 A CN1651383 A CN 1651383A
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Abstract
A process for preparing the natural gingerol crystal includes such steps as extracting gingerol from ginger in hydrous solvent (ethanol, methanol or acetone), column chromatography, and recrystallizing.
Description
Technical field
The invention belongs to the preparation method of natural product, relate to a kind of preparation method of natural crystallization gingerol.
Background technology
Ginger is the Chinese medicinal materials of using always, can boundary drives hundred heresies, cold, the preventing or arresting vomiting delivered, loose, effect such as reduce phlegm.Because of its " but vegetables, can and, can fruit, but medicine, its profit rich ", " Dragon Lord book on Chinese herbal medicine through " classified it as top grade, the extractum zingiberis liquidum that continent pharmacopeia and Taiwan pharmacopeia are all recorded, ginger tincture remain the stomach trouble good medicine of widely using at present.China Ministry of Health also is defined as ginger the dietotherapeutic resource.Modern scientific research has confirmed that these health cares of ginger or drug action all have direct or indirect relation with gingerol.Gingerol is the biologically active substance that is present in the ginger.The eighties in 20th century, external pharmacological testing is verified, isolated thick gingerol energy stimulating mucosal, promote gastric secretion, in enteron aisle, can suppress abnormal fermentation, promote gaseous emission, pallium and vasomotor center there are excitation, can promote blood circulation.Up-to-date experiment and clinical observation confirm: many-sided biological activitys such as gingerol has cardiac stimulant, anticoagulation, reducing blood-fat, prevents and treats cardiovascular disorder, anti-oxidant and anti-ageing, antitumor, preventing or arresting vomiting, relieving fainting, inhibition prostaglandin(PG) are synthetic, anticorrosion desinsection, expelling parasite, cosmetology.According to these biological activitys of gingerol, can develop the plurality kinds of health care food, medicine, the makeup that are applicable to different crowd, can also develop environment friendly agricultural or the like.But, up to the present, also from ginger, do not obtain the production technology of pure gingerol.This situation has limited Products Development such as gingerol healthcare products, medicine.
Under the natural gingerol normal temperature is liquid, less stable.Be difficult to obtain crystallization.Cornell adopts medium gingerol crystallization (the CDW.Natural pungent compounds in examination of the gingerols that obtained of hexane solution such as solvent treatment, ion-exchange ,-30 ℃ in the sixties, shogaols, paradols and related compounds by TLC and GC[J] .J.of Chromatogrophy, 1972 (67): 29-35.).The contriver also in-18 ℃ of normal hexanes, obtained in 1998 the gingerol crystallization (the yellow snow pine. the research of ginger antioxidant component (I)---separation, purifying, evaluation and application [D]. Hua Zhong Agriculture University's Ph D dissertation, 1998).But also there is not to obtain under the normal temperature report of crystallization gingerol at present.
Summary of the invention
Purpose of the present invention aims to provide and a kind ofly is being lower than the preparation method who obtains highly purified natural crystallization gingerol under 10 ℃ the normal temperature condition.
General planning of the present invention is with the gingerol composition in water-containing organic solvent (ethanol, methyl alcohol, acetone etc.) the extraction rhizoma zingiberis, produces high-purity natural crystallization gingerol by steps such as separation and purification then.Be characterized in obtaining with pre-treatment the gingerol crude extract of high gingerol content, again through column chromatography, steps such as recrystallization make the highly purified natural crystallization gingerol of snowy white.
The manufacture method of natural crystallization gingerol of the present invention may further comprise the steps:
A) raw material is handled: fresh ginger is cleaned earth, be cut into shredded ginger or thin ginger splices, dry, wear into 100 order ginger powder then in air seasoning place, and stand-by, or directly the dried ginger slice that seasoning obtained is ground into 100 order ginger powder, stand-by;
B) obtain the gingerol extraction liquid: with 40%~100% organic solvent extraction ginger powder; Every batch of ginger powder extracts three times; Three extraction liquids are collected in supply next step usefulness together;
Among the step B, described organic solvent is selected from a kind of of ethanol, methyl alcohol, acetone, ethyl acetate.
Among the step B, adopt organic solvent circulation or stirring between soak period, soak time is no less than 12 hours.
Among the step B, also can adopt percolation to obtain the gingerol extraction liquid, be about to ginger powder dress post, make alcoholic solvent, obtain the gingerol extraction liquid lentamente by Jiang Fenzhu.
C) reclaim solvent: under 0~70 ℃ temperature, distillation or the collected gingerol extraction liquid of fractionating step B reclaim solvent, get the gingerol crude extract;
D) extracting and separating gingerol crude extract: in the gingerol crude extract of 2 parts of volumes, add the normal hexane of 1 part of volume, extraction gingerol, continuous extraction 2~5 times; After merging normal hexane extraction liquid, reclaim normal hexane, resistates is 1: 1 extracted with diethyl ether gingerol again with volume ratio, and continuous extraction 2~3 times gets thick gingerol behind the recovery ether;
E) segmentation of gingerol:, be loaded on the silicagel column with above-mentioned thick gingerol silica gel adsorption; With ether or acetone and the continuous wash-out of normal hexane, collect ether or acetone: normal hexane=7: 7~3 wash-out parts, reclaim solvent, and under 0~10 ℃ environment, place crystallization, get the gingerol coarse crystallization;
F) recrystallization: with gingerol coarse crystallization n-hexane dissolution, recrystallization repeatedly must be made with extra care, high purity bunch shape gingerol crystallization.
When adopting various types of oleoresin ginger products of obtaining by organic solvent or carbon dioxide abstraction as raw material, with 40~80% water-containing organic solvents extraction oleoresin ginger, remove sterol and ginger essential oil, must thick gingerol; Continue step e then to F, get bunch shape gingerol crystallization of purified high purity.Described water-containing organic solvent is selected from a kind of of ethanol, methyl alcohol, acetone, ethyl acetate.
With the crystallization gingerol that preparation method of the present invention produces, yield is 0.075% (calculating with fresh ginger) or 3~10% (calculating with oleoresin ginger), and its infrared spectrogram is seen Fig. 2, and its uv-vis spectra is seen Fig. 3.The crystallization gingerol product of gained can be used for food, medicine and agricultural chemicals.
Outstanding advantage of the present invention is: can be lower than the natural crystallization gingerol of acquisition under 10 ℃ of temperature.Under this temperature, be convenient to the Temperature Treatment and the recycling of recrystallisation solvent, industrialization extraction easily, separation, purifying natural gingerol, thus provide feasible technology for obtaining natural crystallization gingerol in a large number.
Description of drawings
Fig. 1: natural crystallization gingerol preparation technology flow process.
Fig. 2: the infrared spectrogram of natural crystallization gingerol (the German Bruker Equinox of company 55 type Fourier transformation infrared spectrometers, KBr compressing tablet).
Fig. 3: the UV, visible light scan light spectrogram (condition determination: normal hexane of natural crystallization gingerol; Instrument: UnicamUV504, Britain Thermo Spectronic company).
Embodiment
The manufacture method of natural crystallization gingerol of the present invention comprises step as shown in Figure 1:
Rhizoma zingiberis with fresh ginger or natural seasoning is a raw material, through pulverizing, organic solvent extraction, recovery solvent, silicagel column absorption, organic solvent wash-out, collection elutriant, recovery solvent, crystallization treatment etc., obtains natural crystallization gingerol.Perhaps by the rhizoma zingiberis of fresh ginger or natural seasoning, the oleoresin ginger product through organic solvent or carbon dioxide abstraction obtain through going the smart oil treatment of sterol and ginger, obtains the gingerol crude extract, obtains natural crystallization gingerol again.
The present invention is further illustrated with embodiment below.
Embodiment one:
Take by weighing 1 kilogram of fresh ginger, soak half an hour with tap water, take out impurity such as earth, drench the solid carbon dioxide branch, airing is cut into 2~4 millimeters thin slice, dries in the sun.Put in the pulverizer and pulverize, cross 100 mesh sieves.According to the ginger powder: the ratio of 40% ethanol=1: 3~6 (volume/volume), the ginger powder is joined in the ethanol, soaked 24 hours, between soak period, stirred once every 2 hours; Repeat to soak three times, merge alcohol immersion liquid.Reclaim ethanol at 40 ℃ of following vacuum concentration.Resistates is with isopyknic n-hexane extraction three times, reclaim the normal hexane of about 3/4 volume after, resistates is 1: 1 extracted with diethyl ether gingerol again with volume ratio, continuous extraction three times, reclaim behind the ether thick gingerol extract.
With thick gingerol extract 10 grams, be dissolved in an amount of methanol solution, admix 200 gram silica gel, make the methyl alcohol volatilization clean after, be loaded on the silicagel column, with ether and the continuous wash-out of normal hexane.Collect ether: normal hexane=7: 5 elutriant parts, through reclaiming solvent, behind the n-hexane dissolution, be placed in 4 ℃ of refrigerators, can separate out a bunch shape gingerol crystallization, yield is 0.075%.
In the present embodiment, the organic solvent of extraction gingerol can be used methyl alcohol, acetone, ethyl acetate instead of ethanol.
Embodiment two:
Take by weighing rhizoma zingiberis 200 grams, put in the pulverizer and pulverize, cross 100 mesh sieves.According to the ginger powder: the ratio of 80% methyl alcohol=1: 1~3 (volume/volume), the ginger powder is joined in the methyl alcohol, soaked 24 hours, after waiting to soak into, the pillar of packing into is used slowly diacolation of 80% methyl alcohol again, collects about one liter of percolate.Reclaim methyl alcohol at 70 ℃ of following vacuum concentration, resistates is with isopyknic n-hexane extraction five times, reclaim the normal hexane of about 3/4 volume after, resistates is used 1: 1 extracted with diethyl ether gingerol again, continuous extraction three times, reclaiming must thick gingerol extract behind the ether.
With thick gingerol extract 10 grams, be dissolved in an amount of methanol solution, admix 200 gram silica gel, make the methyl alcohol volatilization clean after, be loaded on the silicagel column, with ether and the continuous wash-out of normal hexane.Collect ether: normal hexane=7: 3 elutriant parts, through reclaiming solvent, behind the n-hexane dissolution, be placed in 10 ℃ of refrigerators, can separate out a bunch shape gingerol crystallization, yield is 0.075%.
In the present embodiment, the organic solvent of extraction gingerol can be used ethanol, acetone, ethyl acetate instead of methanol.
Embodiment three:
Take by weighing ginger powder 200 grams, cross 100 mesh sieves.According to the ginger powder: the ratio of 80% acetone=1: 1~2 (volume/volume), the ginger powder is joined in the acetone, soaked 12 hours, between soak period, circulation is stirred; Repeat to soak three times, merge the acetone soak solution.Reclaim acetone at 0 ℃ of following vacuum concentration, resistates is with isopyknic n-hexane extraction twice, reclaim the normal hexane of about 3/4 volume after, resistates is used 1: 1 extracted with diethyl ether gingerol again, continuous extraction twice, reclaiming must thick gingerol extract behind the ether.
With thick gingerol extract 10 grams, be dissolved in an amount of methanol solution, admix 200 gram silica gel, make the methyl alcohol volatilization clean after, be loaded on the silicagel column, with acetone and the continuous wash-out of normal hexane.Collect acetone: normal hexane=7: 7 elutriant parts, through reclaiming solvent, behind the n-hexane dissolution, be placed in 0 ℃ of refrigerator, can separate out a bunch shape gingerol crystallization, yield is 0.075%.
In the present embodiment, the organic solvent of extraction gingerol can use ethanol, methyl alcohol, ethyl acetate to substitute acetone.
Embodiment four:
Take by weighing 10 gram oleoresin gingers, with 50% ether solution extraction gingerol, continuous extraction three times gets thick gingerol extract behind the recovery ether.
With thick gingerol extract 8 grams, according to sample, dress post, last sample, wash-out on the method for embodiment one, up to obtaining the gingerol crystallization.Yield is 3~10%.
Oleoresin ginger is the product of supercritical carbon dioxide extraction preferably, but the product that ethanol, acetone, the extraction of ether equal solvent make also can.
Claims (6)
1, the manufacture method of natural crystallization gingerol is characterized in that, may further comprise the steps:
A) raw material is handled: fresh ginger is cleaned earth, be cut into shredded ginger or thin ginger splices, dry, wear into 100 order ginger powder then in air seasoning place, and stand-by, or directly the dried ginger slice that seasoning obtained is ground into 100 order ginger powder, stand-by;
B) obtain the gingerol extraction liquid: with 40%~100% organic solvent extraction ginger powder; Every batch of ginger powder extracts three times; Three extraction liquids are collected in supply next step usefulness together;
C) reclaim solvent: under 0~70 ℃ temperature, distillation or the collected gingerol extraction liquid of fractionating step B reclaim solvent, get the gingerol crude extract;
D) extracting and separating gingerol crude extract: in the gingerol crude extract of 2 parts of volumes, add the normal hexane of 1 part of volume, extraction gingerol, continuous extraction 2~5 times; After merging normal hexane extraction liquid, reclaim normal hexane, resistates is 1: 1 extracted with diethyl ether gingerol again with volume ratio, and continuous extraction 2~3 times gets thick gingerol behind the recovery ether;
E) segmentation of gingerol:, be loaded on the silicagel column with above-mentioned thick gingerol silica gel adsorption; With ether or acetone and the continuous wash-out of normal hexane, collect ether or acetone: normal hexane=7: 7~3 wash-out parts, reclaim solvent, and under 0~10 ℃ environment, place crystallization, get the gingerol coarse crystallization;
F) recrystallization: with gingerol coarse crystallization n-hexane dissolution, recrystallization repeatedly must be made with extra care, high purity bunch shape gingerol crystallization.
2, the method for natural crystallization gingerol according to claim 1 is characterized in that: among the step B, adopt percolation to obtain the gingerol extraction liquid, be about to ginger powder dress post, make 40%~100% organic solvent lentamente by Jiang Fenzhu, obtain the gingerol extraction liquid.
3, the method for natural crystallization gingerol according to claim 1 and 2 is characterized in that: among the step B, described organic solvent is selected from a kind of of ethanol, methyl alcohol, acetone, ethyl acetate.
4, the method for natural crystallization gingerol according to claim 1 is characterized in that: among the step B, adopt organic solvent circulation or stirring between soak period, soak time is no less than 12 hours.
5, the method for natural crystallization gingerol according to claim 1, it is characterized in that: when adopting various types of oleoresin ginger products of obtaining by organic solvent or carbon dioxide abstraction as raw material, with 40~80% water-containing organic solvents extraction oleoresin ginger, remove sterol and ginger essential oil, get thick gingerol; Continue step e then to F, get bunch shape gingerol crystallization of purified high purity.
6, the method for natural crystallization gingerol according to claim 5 is characterized in that: described water-containing organic solvent is selected from a kind of of ethanol, methyl alcohol, acetone, ethyl acetate.
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Cited By (12)
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CN1994997B (en) * | 2006-12-27 | 2010-04-07 | 中国药科大学 | Method for separating and purifying 6-gingerol |
CN101781184A (en) * | 2010-03-23 | 2010-07-21 | 浙江工商大学 | Method for separating 6-gingerol monomer from ginger |
CN102266547A (en) * | 2011-08-31 | 2011-12-07 | 南京财经大学 | Preparation method of ginger extract with detoxifying effect on exogenous carcinogens and product |
CN102630791A (en) * | 2012-05-22 | 2012-08-15 | 韶关学院 | Preparation method of solid low-sugar ginger tea |
CN101530607B (en) * | 2009-04-13 | 2013-11-20 | 金华职业技术学院 | Method for extracting gingerol type material from ginger with high efficiency |
CN104447260A (en) * | 2014-11-20 | 2015-03-25 | 广东产品质量监督检验研究院 | Method of producing gingerol by gingerol oxime |
CN105963705A (en) * | 2016-06-13 | 2016-09-28 | 湖北文理学院 | Compound stabilizer for preserving gingerol and use method of compound stabilizer |
CN106496007A (en) * | 2016-09-13 | 2017-03-15 | 重庆医药高等专科学校 | The separating and extracting process of 6 gingerols in ginger |
CN107151202A (en) * | 2017-04-20 | 2017-09-12 | 湖南科技学院 | A kind of method that 6 gingerols of separation are extracted from ginger |
CN109503346A (en) * | 2018-12-27 | 2019-03-22 | 中国科学院地球化学研究所 | A kind of lysate of 6-gingerol, recrystallization method and polishing purification method |
CN109534979A (en) * | 2018-12-27 | 2019-03-29 | 中国科学院地球化学研究所 | A kind of isolation and purification method and production method of 6-gingerol |
CN110078610A (en) * | 2019-05-27 | 2019-08-02 | 湖南和广生物科技有限公司 | The preparation method of 6-gingerol |
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2004
- 2004-12-08 CN CN 200410052573 patent/CN1284760C/en not_active Expired - Fee Related
Cited By (17)
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CN1994997B (en) * | 2006-12-27 | 2010-04-07 | 中国药科大学 | Method for separating and purifying 6-gingerol |
CN101530607B (en) * | 2009-04-13 | 2013-11-20 | 金华职业技术学院 | Method for extracting gingerol type material from ginger with high efficiency |
CN101781184A (en) * | 2010-03-23 | 2010-07-21 | 浙江工商大学 | Method for separating 6-gingerol monomer from ginger |
CN102266547A (en) * | 2011-08-31 | 2011-12-07 | 南京财经大学 | Preparation method of ginger extract with detoxifying effect on exogenous carcinogens and product |
CN102266547B (en) * | 2011-08-31 | 2013-06-12 | 南京财经大学 | Preparation method of ginger extract with detoxifying effect on exogenous carcinogens and product |
CN102630791A (en) * | 2012-05-22 | 2012-08-15 | 韶关学院 | Preparation method of solid low-sugar ginger tea |
CN102630791B (en) * | 2012-05-22 | 2013-08-07 | 韶关学院 | Preparation method of solid low-sugar ginger tea |
CN104447260A (en) * | 2014-11-20 | 2015-03-25 | 广东产品质量监督检验研究院 | Method of producing gingerol by gingerol oxime |
CN105963705A (en) * | 2016-06-13 | 2016-09-28 | 湖北文理学院 | Compound stabilizer for preserving gingerol and use method of compound stabilizer |
CN106496007A (en) * | 2016-09-13 | 2017-03-15 | 重庆医药高等专科学校 | The separating and extracting process of 6 gingerols in ginger |
CN106496007B (en) * | 2016-09-13 | 2019-02-01 | 重庆医药高等专科学校 | The separating and extracting process of 6-gingerol in ginger |
CN107151202A (en) * | 2017-04-20 | 2017-09-12 | 湖南科技学院 | A kind of method that 6 gingerols of separation are extracted from ginger |
CN109503346A (en) * | 2018-12-27 | 2019-03-22 | 中国科学院地球化学研究所 | A kind of lysate of 6-gingerol, recrystallization method and polishing purification method |
CN109534979A (en) * | 2018-12-27 | 2019-03-29 | 中国科学院地球化学研究所 | A kind of isolation and purification method and production method of 6-gingerol |
CN109503346B (en) * | 2018-12-27 | 2020-12-25 | 中国科学院地球化学研究所 | 6-gingerol dissolving solution, recrystallization method and refining and purifying method |
CN110078610A (en) * | 2019-05-27 | 2019-08-02 | 湖南和广生物科技有限公司 | The preparation method of 6-gingerol |
CN110078610B (en) * | 2019-05-27 | 2022-01-07 | 湖南和广生物科技有限公司 | Preparation method of 6-gingerol |
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