CN108864222A - A kind of preparation method of high-purity steviosides RD and RM - Google Patents

A kind of preparation method of high-purity steviosides RD and RM Download PDF

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Publication number
CN108864222A
CN108864222A CN201810654176.7A CN201810654176A CN108864222A CN 108864222 A CN108864222 A CN 108864222A CN 201810654176 A CN201810654176 A CN 201810654176A CN 108864222 A CN108864222 A CN 108864222A
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water
alcohol
mixed solution
preparation
chromatographic column
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仲玉
任连兵
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Nanjing Interactive Flash Biotechnology Co Ltd
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Nanjing Interactive Flash Biotechnology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/20Carbocyclic rings
    • C07H15/24Condensed ring systems having three or more rings
    • C07H15/256Polyterpene radicals
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00Processes for the preparation of sugar derivatives
    • C07H1/06Separation; Purification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Saccharide Compounds (AREA)

Abstract

The present invention relates to the preparation methods of high-purity steviosides RD and RM a kind of, and specific step is as follows:(1)Resin dispersion is stirred evenly in the mixed solution of second alcohol and water, and is fitted into chromatographic column, rinses compacting chromatographic column bed with the mixed solution of second alcohol and water;(2)Steviol glycoside mother liquor sugar dope is taken to be diluted to mother liquor sugar dilution;(3)By step(2)Obtained sample liquid continues to flow through chromatographic column;(4)After end of the sample, chromatographic column is rinsed with ultrasonic water;(5)After chromatography column equilibration, chromatographic column is eluted using the mixed solution of second alcohol and water as eluent, detects purity;The collection liquid of purity qualification is merged, collection liquid is obtained;(6)Collection liquid is concentrated, concentrate is obtained;(7)Concentrate is recrystallized, RD and RM can be obtained;The invention discloses Super 200-X19 resins using ultrapure water as sample solution, and the mixed solution of second alcohol and water is eluent, and the RD in mother liquor sugar mixed liquor and RM after extracting to steviol glycoside are effectively extracted.

Description

A kind of preparation method of high-purity steviosides RD and RM
Technical field
The present invention relates to the preparation methods of high-purity steviosides RD and RM a kind of, belong to native chemical field.
Background technique
STEVIA REBAUDIANA originates in Paraguayan Guarani, and the beginning of the thirties in last century has scientific research personnel to extract from its leaf and has Substance, that is, steviol glycoside of sweet taste.Steviol glycoside contains the tetracyclic diterpene class monomer there are many heterogeneity, according to different degrees of Available different degrees of sweet taste mouthfeel after glycosylation modified.The stevioside of content relative abundance in stevioside glycosides compound (Stevioside, STV), content rebaudioside-A (RA) etc. be widely used to the fields such as beverage, food, flavouring, dairy products.Though Right stevioside and content rebaudioside-A (RA) have high sugariness, but in mouthfeel there is also except sweet taste with for rear bitter taste, compare it Under, rebaudioside D (RD) and rebaudioside M (RM) have better mouthfeel characteristic.
It mainly looks after the research of the method for purification of one-components such as STV, RA in steviol glycoside in the world at present, therefore exists The mother liquor sugar of a large amount of steviol glycoside crystallization(Turn brilliant mother liquor sugar after extracting RA, STV)It needs to handle.If stevia rebaudianum can be utilized Glucosides mother liquor sugar is raw material, continues to extract RD and RM, then fully using raw material and can obtain bigger economy Benefit.There is Chinese patent(CN201711154894.X)Provide recrystallization method altogether:Successively using ethyl alcohol and methanol to mother Liquid sugar dry powder is recrystallized, but a large amount of methanol and ethyl alcohol must be used during this, then is necessarily led to a large amount of organic molten Agent waste liquid, and recrystallization process needs to carry out repeatedly, process is cumbersome and energy consumption is larger, is unfavorable for carrying out industrialized production.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provides the preparation side of a kind of high-purity steviosides RD and RM Method, to solve problems of the prior art.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of preparation method of high-purity steviosides RD and RM, specific step is as follows:The wherein relationship of component.
(1)Chromatographic column fills column, rinses:It by resin dispersion in the mixed solution of second alcohol and water, stirs evenly, and is packed into extremely In chromatographic column, compacting chromatographic column bed is rinsed with the mixed solution of second alcohol and water and impregnates 2h, ultrapure water to efflux is without alcohol Taste;
(2)Sample preparation:It takes steviol glycoside mother liquor sugar dope and is diluted with ultrapure water, mother liquor sugar dilution is made, it is spare;
(3)Loading:By step(2)Obtained sample liquid continues to flow through chromatographic column;
(4)Balance:After end of the sample, chromatographic column is rinsed with ultrasonic water;
(5)Elution:After chromatography column equilibration, chromatographic column is eluted using the mixed solution of second alcohol and water as eluent, root According to UV detection case, efflux is collected, detects purity;The collection liquid of purity qualification is merged, collection liquid is obtained;
(6)Concentration:Collection liquid is concentrated, concentrate is obtained;
(7)Recrystallization:Concentrate is recrystallized, RD and RM can be obtained;
As an improvement of the present invention, the step(1)Middle resin is Super 200-X19 sphere material.
As an improvement of the present invention, the step(1)The volume ratio of second alcohol and water in the mixed solution of second alcohol and water For 1-89:9;The concentration of ethyl alcohol is 90% in the mixed solution of second alcohol and water.
As an improvement of the present invention, the step(1)The middle mixed solution with second alcohol and water rinses the speed of chromatographic column The column volume that degree is 1-4 times per hour.
As an improvement of the present invention, the step(2)The concentration of middle mother liquor sugar dilution is 2-50%.
As an improvement of the present invention, the step(3)Speed of the middle sample liquid Jing Guo chromatographic column is 1-4 times per hour Column volume.
As an improvement of the present invention, the step(3)Center pillar volume of resins and the volume ratio of mother liquor sugar dope are 100:1-4。
As an improvement of the present invention, the step(4)The volume of middle ultrasound water is 1-3 times of column volume.
As an improvement of the present invention, the step(5)The volume ratio of second alcohol and water in the mixed solution of second alcohol and water For 1-21:9.
As an improvement of the present invention, the step(5)The mixed solution of middle second alcohol and water is to wash to chromatographic column When de-, speed is 1-4 times of column volume per hour.
The technical scheme is that the Super 200-X19 tree produced using Nanjing Gen Shan Biotechnology Co., Ltd Rouge, the resin are the polystyrene series sphere materials of crosslinking, can achieve the purpose for extracting RD and RM;Its process includes will The resin is packed into chromatographic column as stationary phase, the mother liquor sugar sample containing RD, RM to be separated is flowed through chromatographic column, then again The RD and RM that are adsorbed in Super 200-X19 solid phase are eluted.
Due to using the above technology, the present invention compared with the prior art, is had the advantage that as follows:
The invention discloses Super 200-X19 resins can be using ultrapure water as sample solution, and the mixed solution of second alcohol and water is to wash De- liquid, RD in mother liquor sugar mixed liquor and RM after extracting to steviol glycoside are effectively extracted, and are had good selectivity, It is high-efficient, favorable reproducibility, it is at low cost, be easy industrialization the advantages that, avoid during use a large amount of organic solvents.
Specific embodiment
With reference to embodiment, the present invention is furture elucidated.
Embodiment 1:
Preparation of samples:34.54 mL of mother liquor sugar dope will be weighed, 20% concentration is diluted to ultrapure water;
Purifying:Using 50 × 440 mm glass columns, Super 200-X19 resin(Nanjing Gen Shan Biotechnology Co., Ltd)For Separating medium, 863.5 mL of packed column volume rinse chromatographic column with 90% ethyl alcohol and water mixed solution of 2 times of column volumes and impregnate 2h Afterwards, then with 3 times of column volume ultrapure water chromatographic columns;By sample with the continuous loading of flow velocity of 4 times of column volumes per hour, loading knot Shu Hou is gone to rinse chromatographic column with the ultrapure water of 1 times of column volume;Then with 30% ethyl alcohol and water mixed solution with 4 times of cylinders per hour Long-pending speed elution, is in charge of collection according to UV detection case.The collection liquid of purity qualification is merged, is just concentrated, recrystallize can Obtain 20.5g RD and RM.
Embodiment 2:
Preparation of samples:3.19 mL of mother liquor sugar dope will be weighed, 15% concentration is diluted to ultrapure water;
Purifying:Using 26 × 300 mm glass columns, Super 200-X19 resin(Nanjing Gen Shan Biotechnology Co., Ltd)For Separating medium, 159.5 mL of packed column volume rinse chromatographic column with 90% ethyl alcohol and water mixed solution of 1 times of column volume and impregnate 2h Afterwards, with 4 times of column volume ultrapure water chromatographic columns;By sample with the continuous loading of flow velocity of 2 times of column volumes per hour, end of the sample Afterwards, it is gone to rinse chromatographic column with the ultrapure water of 2 times of column volumes;Then with 40% ethyl alcohol and water mixed solution with 2 times of column volumes per hour Speed elution, collection is in charge of according to UV detection case.The collection liquid of purity qualification is merged, is just concentrated, recrystallized and can obtain To 2.75g RD and RM.
Embodiment 3:
Preparation of samples:0.603 mL of mother liquor sugar dope will be weighed, 50% concentration is diluted to ultrapure water;
Purifying:Using 16 × 100 mm glass columns, Super 200-X19 resin(Nanjing Gen Shan Biotechnology Co., Ltd)For Separating medium, 20.1 mL of packed column volume rinse chromatographic column with 90% ethyl alcohol and water mixed solution of 4 times of column volumes and impregnate 2h Afterwards, with 2 times of column volume ultrapure water chromatographic columns;By sample with the continuous loading of flow velocity of 1 times of column volume per hour, end of the sample Afterwards, it is gone to rinse chromatographic column with the ultrapure water of 3 times of column volumes;Then with 30% ethyl alcohol and water mixed solution with 1 times of column volume per hour Speed elution, collection is in charge of according to UV detection case.The collection liquid of purity qualification is merged, is just concentrated, recrystallized and can obtain To 0.5g RD and RM.
Above-described embodiment is only the preferred technical solution of the present invention, and is not construed as limitation of the invention, the present invention Protection scope should with claim record technical solution, including claim record technical solution in technical characteristic etc. It is protection scope with alternative, i.e., equivalent replacement within this range is improved, also within protection scope of the present invention.

Claims (10)

1. a kind of preparation method of high-purity steviosides RD and RM, which is characterized in that specific step is as follows:
(1)Chromatographic column fills column, rinses:It by resin dispersion in the mixed solution of second alcohol and water, stirs evenly, and is packed into chromatography In column, compacting chromatographic column bed is rinsed with the mixed solution of second alcohol and water and impregnates 2h, ultrapure water to efflux is without alcohol taste;
(2)Sample preparation:It takes steviol glycoside mother liquor sugar dope and is diluted with ultrapure water, mother liquor sugar dilution is made, it is spare;
(3)Loading:By step(2)Obtained sample liquid continues to flow through chromatographic column;
(4)Balance:After end of the sample, chromatographic column is rinsed with ultrasonic water;
(5)Elution:After chromatography column equilibration, chromatographic column is eluted using the mixed solution of second alcohol and water as eluent, root According to UV detection case, efflux is collected, detects purity;The collection liquid of purity qualification is merged, collection liquid is obtained;
(6)Concentration:Collection liquid is concentrated, concentrate is obtained;
(7)Recrystallization:Concentrate is recrystallized, RD and RM can be obtained.
2. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(1)Middle resin is Super 200-X19.
3. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(1)The volume ratio of second alcohol and water is 1-89 in the mixed solution of second alcohol and water:9;Ethyl alcohol in the mixed solution of second alcohol and water Concentration is 90%.
4. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(1)The middle mixed solution with second alcohol and water rinses the column volume that the speed of chromatographic column is 1-4 times per hour.
5. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(2)The concentration of middle mother liquor sugar dilution is 2-50%.
6. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(3)Speed of the middle sample liquid Jing Guo chromatographic column is 1-4 times of column volume per hour.
7. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(3)Center pillar volume of resins and the volume ratio of mother liquor sugar dope are 100:1-4.
8. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(4)The volume of middle ultrasound water is 1-3 times of column volume.
9. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:The step Suddenly(5)The volume ratio of second alcohol and water is 1-21 in the mixed solution of second alcohol and water:9.
10. the preparation method of high-purity steviosides RD and RM according to claim 1 a kind of, it is characterised in that:It is described Step(5)The mixed solution of middle second alcohol and water is when eluting to chromatographic column, and speed is 1-4 times of column volume per hour.
CN201810654176.7A 2018-06-22 2018-06-22 A kind of preparation method of high-purity steviosides RD and RM Pending CN108864222A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110229201A (en) * 2019-06-25 2019-09-13 浙江天草生物科技股份有限公司 A kind of process preparing high-purity steviosides RM
CN111187316A (en) * 2020-02-14 2020-05-22 南京全凯生物基材料研究院有限公司 Method for extracting rebaudioside D and rebaudioside M from stevioside mother liquor
CN115536715A (en) * 2022-08-17 2022-12-30 浙江天草生物科技股份有限公司 Method for extracting stevioside RD

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011112892A1 (en) * 2010-03-12 2011-09-15 Purecircle Usa Inc. High-purity steviol glycosides
CN104151378A (en) * 2014-08-12 2014-11-19 济南汉定生物工程有限公司 Rebaudioside M purification method
CN104684414A (en) * 2011-12-19 2015-06-03 可口可乐公司 Methods for purifying steviol glycosides and uses of the same
CN105503975A (en) * 2016-01-08 2016-04-20 谱赛科(江西)生物技术有限公司 Method for synthesizing stevioside RM through cation exchange resin catalyzed synthesis
CN107105733A (en) * 2014-09-26 2017-08-29 谱赛科美国股份有限公司 Stevia components, production method and purposes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011112892A1 (en) * 2010-03-12 2011-09-15 Purecircle Usa Inc. High-purity steviol glycosides
CN104684414A (en) * 2011-12-19 2015-06-03 可口可乐公司 Methods for purifying steviol glycosides and uses of the same
CN104151378A (en) * 2014-08-12 2014-11-19 济南汉定生物工程有限公司 Rebaudioside M purification method
CN107105733A (en) * 2014-09-26 2017-08-29 谱赛科美国股份有限公司 Stevia components, production method and purposes
CN105503975A (en) * 2016-01-08 2016-04-20 谱赛科(江西)生物技术有限公司 Method for synthesizing stevioside RM through cation exchange resin catalyzed synthesis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110229201A (en) * 2019-06-25 2019-09-13 浙江天草生物科技股份有限公司 A kind of process preparing high-purity steviosides RM
CN111187316A (en) * 2020-02-14 2020-05-22 南京全凯生物基材料研究院有限公司 Method for extracting rebaudioside D and rebaudioside M from stevioside mother liquor
CN115536715A (en) * 2022-08-17 2022-12-30 浙江天草生物科技股份有限公司 Method for extracting stevioside RD

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