WO2002042287A1 - Methode de preparation par chromatographie de tocotrienol - Google Patents
Methode de preparation par chromatographie de tocotrienol Download PDFInfo
- Publication number
- WO2002042287A1 WO2002042287A1 PCT/JP2001/010164 JP0110164W WO0242287A1 WO 2002042287 A1 WO2002042287 A1 WO 2002042287A1 JP 0110164 W JP0110164 W JP 0110164W WO 0242287 A1 WO0242287 A1 WO 0242287A1
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- Prior art keywords
- liquid
- tocotrienol
- adsorbent
- raw material
- enriched
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1814—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns recycling of the fraction to be distributed
- B01D15/1821—Simulated moving beds
- B01D15/185—Simulated moving beds characterized by the components to be separated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
- B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/32—Bonded phase chromatography
- B01D15/325—Reversed phase
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
- C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
Definitions
- the present invention relates to a method for industrially and inexpensively and efficiently separating tocotrienol from a tocotrienol, and more specifically, a method for separating a target tocotrienol from a raw material liquid containing a homologue of tocopherol using a simulated moving bed method. It relates to a chromatographic fractionation method for tocotrienols that can be recovered.
- the above-mentioned tocopher group consists of eight kinds, specifically, homologues of, ⁇ , ⁇ , ⁇ -tocopher and // ?, ⁇ , (5-tocotrienols).
- the homologues of these homologues are not necessarily completely the same, for example, ⁇ -tocopherol has strong bioactivity, is effective in vivo, and is suitable for use in medicine and for nutritional enhancement. ing.
- tocotrienol in the above-mentioned tocopherol homologs is said to have weak physiological activity, but recent studies have noted that tocotrienol has a strong antioxidant power, and it has been used in antioxidants such as pharmaceuticals and foods.
- Japanese Patent Application Laid-Open Nos. H08-12532, H08-92050, H08-92062, H09 Japanese Patent Application Publication No. 1571396, Japanese Patent Application Laid-Open No. Hei 9-189395, etc.
- each of the tocotrienols (hi, ⁇ , 6) containing liquid after separation from tocopherol is obtained from Techniques for separating enols by reverse phase chromatography have also been disclosed.
- tocopherol and tocotrienol may be mixed, there is no particular need to purify and separate them, but in order to utilize the different properties of tocotrienol and tocopherol efficiently, these It is preferable to separate and use the above substances (tocopherol and tocotrienol).
- the substance in which tocotrienol is isolated is more preferable than the substance in which tocopherol and tocotrienol are mixed.
- the target raw material liquid of the present invention (a liquid that is almost oily)
- steps such as dilution and concentration so as to consume less heat energy.
- the oily component which is the target component, becomes more concentrated in the polar desorbate.
- the techniques related to the separation and recovery of tocotrienol include the raw material liquid containing a large amount of the tocopherol group (the raw material liquid targeted in this example has an oil content of substantially 100%). %), A method of Japanese Patent Application Laid-Open No. 8-59647 using a normal phase chromatography method is known as a conventional method for fractionating a broadly defined group of tocopherols on an industrial scale, but includes tocotrienol. No efficient chromatographic separation method for separating tocotrienol from tocopherols in a narrow sense (excluding tocotrienol) from the tocopher group in the raw material liquid is not known.
- the separation and recovery of tocotrienol from a raw material liquid containing a tuperol group (a raw material liquid containing a large amount of tocopherol and tocotrienol) can be carried out based on the above-mentioned conventional technology, not at the laboratory level.
- the intent is to study industrially inexpensive methods to develop and propose new methods of the present invention.
- Another object of the present invention is to provide a method capable of maintaining the recovery and purity of tocotrienol at a sufficiently high level while permitting implementation on an industrial scale.
- Still another object of the present invention is to realize separation and recovery on an industrial scale while achieving the above-mentioned object, by an operation method that is not much different from a conventionally known simulated moving bed type chromatographic separation method. It is intended to provide a method that can reduce the initial equipment costs and operating costs during operation.
- the present invention further provides a method for chromatographic separation of tocotrienols, in which a raw material liquid and a desorbed liquid are passed through an adsorbent to separate tocotrienols contained in the raw material liquid.
- the adsorbent is a hydrophobic adsorbent for reversed-phase liquid chromatography, wherein the adsorbent has an affinity for the tocotrienol smaller than the affinity for the tocopherol.
- the desorption liquid is a mixture of alcohol and water having 2 or more carbon atoms.
- the features of the chromatographic fractionation method of tocotrienol of the present invention are as follows. (1) At least four unit packed towers filled with an adsorbent (stationary phase) having a lower polarity than the desorbed liquid (mobile phase), and the entire unit packed tower is connected by connecting these unit packed towers.
- valve opening / closing control means for determining a position for extracting each of the fraction liquids from the end of a predetermined unit packed tower in the circulation channel system and opening / closing each of the valves; In addition to determining the supply position of the liquid and the desorbed liquid and the extraction position of each of the above-mentioned fraction liquids from the circulation flow path system, the same position is divided by one unit in the packed flow tower at regular intervals for each unit.
- This is a simulated moving bed type chromatographic preparative method using reverse phase chromatography, in which the target component in the raw material liquid is separated and recovered by moving it to the downstream side of the liquid flow, comprising tocopherol and tocotrieno.
- tocopherol homologues a raw material liquid of substantially 100% oil containing preferably several tens% or more (at least 10% or more) of tocopherol homologues.
- the hydrophobic adsorbent for reverse phase liquid chromatography whose affinity for tocotrienol is relatively weaker than that for tocopherol, is packed in each unit packed column as the above adsorbent, and a mixture of alcohol and water with 2 or more carbon atoms is mixed.
- a method for chromatographic separation of tocotrienol characterized in that the opening and closing of a valve is switched by a valve opening / closing control means to move the liquid supply position and the liquid discharge position as described above.
- At least four unit packed towers filled with a hydrophilic adsorbent having a lower polarity than the desorbed liquid are connected to form an endless series with a single unit packed tower pipe.
- a valve that can be opened and closed is installed on the way, and a branch pipe for supplying the desorbed liquid that is branched from the above pipe, and a fraction liquid enriched with the component to be separated and collected from the end of the unit packed tower is extracted or A valve capable of opening and closing the extraction of the fraction liquid enriched with other components is interposed in the middle and each of the liquid extraction branch pipes branched from the above-mentioned pipe, and the raw material liquid and the desorbed liquid are circulated through the above-mentioned circulation flow.
- the affinity for the adsorbent is divided into three groups: strong, medium, and weak. While supplying a raw material liquid containing components that are relatively separated to the circulation channel system, A first step of extracting at least one of the three components, and a second step of extracting at least one of the three groups of components while supplying the desorbing liquid without supplying the raw material liquid.
- a simulated moving bed type chromatographic preparative method for separating and recovering components which is a raw material for a substantially 100% oil component containing preferably a large number of tocopherol homologs of tocopherol and tocotrienol, preferably several tens% or more.
- the affinity for tocotrienol is intermediate as described above, the affinity for tocoprole is relatively strong, and the affinity for other components is high.
- a relatively weak adsorbent for reversed phase liquid chromatography is packed in each unit packed column as the above adsorbent, and a mixed solution of alcohol and water having 2 or more carbon atoms is used as the above desorbing liquid.
- a tocotrienol characterized by performing at least the following first and third operations, and performing the second step at least by the following second and fourth operations without performing the following third operation: 1st operation: operation of extracting the fraction containing the component from the end of the unit packed column at the downstream position in the tocotrienol-enriched zone
- Second operation Tocopherol-enriched zones, and zones enriched in components having an affinity for the adsorbent weaker than the above-mentioned tocotrienol, and downstream of each of these zones in which tocotrienol is substantially absent. From the end of the unit packed tower, Withdrawing simultaneously or with time
- Third operation An operation of supplying the raw material liquid from the top of a unit packing tower on one side or a few units downstream of the unit packing tower from which tocopherol is extracted in the second operation.
- fractionation is a term used in comparison with analysis and is not directly related to quantity, but in general, analysis involves separation and analysis of target components. After that, it is not used for a specific purpose, whereas in preparative separation, it is used to separate the substance from a solution containing valuable substances as a target component and use it for a specific purpose. Will increase in size as the required collection and recovery volume increases.
- substantially 100% oil content means that there is substantially no component soluble in water.
- substantially 100% oil content means It is not necessarily limited to the case where components other than oil are exactly zero, and does not exclude the case where water-soluble components are present within a range that does not hinder the fractionation operation. In the case of fractionation of tocotrienols of the present invention, about 1% of a water-soluble component may be present.
- the “unit packed tower at the upstream position in the zone” and the “unit packed tower at the downstream position in the zone” are usually defined as each zone when each component is divided into multiple zones and enriched in the entire circulation system. Means the unit packed tower at the most upstream or downstream position within the unit. If the zone consists of one unit packed tower, the tower, or a plurality of units with two or more zones In the case of a packed tower, the unit packed tower one downstream of the uppermost stream in the zone is combined with the unit packed tower at the upstream position in the zone according to the recovery rate and purity requirements of the target component. However, this does not exclude the case where the unit packed tower one upstream of the most downstream in the zone is the unit packed tower at the downstream position in the zone.
- Normal phase chromatography refers to a liquid chromatography method using a highly polar substance as the stationary phase and a substance having a lower polarity than the stationary phase as the mobile phase. This is a method of liquid chromatography in which a substance having a lower polarity than the mobile phase is used as the stationary phase.
- the present invention can further have the following configuration in addition to the configuration of the above-described invention.
- the first step in the above invention (2) includes an operation of extracting at least the tocotrienol having an intermediate affinity for the adsorbent
- the second step includes a step of extracting at least a tocotrienol having a strong affinity for the adsorbent.
- a method for extracting tocotrienol which comprises an operation of extracting a solvent and an operation of extracting a component having a low affinity for an adsorbent.
- the supply position of the desorbed liquid and the extraction position of the fraction liquid enriched with other components except for tocotrienol are adjusted in accordance with the movement of the zone where each component is enriched.
- the invention according to (2) or (3) comprising an operation of moving one unit of the packed tower downstream of the circulation and circulation system at regular intervals by switching the opening and closing of the unit, and not performing the third step. Mouth separation method for tocotrienols.
- a chromatographic preparative method in which the tocotrienol group is separated from other oils and recovered from a substantially 100% oil-based raw material liquid containing at least tens of percent of a tocopherol homolog of the tocopherol group and the tocotrienol group. Then, the raw material solution and the ethanol-water desorbed solution are supplied to a packed column filled with a hydrophobic adsorbent having an affinity for the tocotrienol group which is relatively smaller than that for the tocopherol group, and the reversed phase chromatography is performed.
- a chromatographic preparative method for tocotrienol comprising separating and recovering a group of tocotrienols from tocopherol by one method.
- Either the alcohol-water desorbed liquid is a mixture of ethanol and water of 80 to 98.5% ethanol and the remaining water, or 75 to 90% of isopanol and the remaining water
- a simulated moving bed separation method for separating tocotrienol from tocoprole has not been considered before.
- the separation and recovery of the target component by the simulated moving bed type chromatographic preparative method is extremely advantageous in terms of heat energy cost and the like as an industrial method compared to the distillation method and the like. Therefore, the present inventor has studied various combinations of the adsorbent and the desorbing solution, and the normal phase or reverse phase method of chromatographic separation, and used an adsorbent having predetermined properties in combination with a desorbing solution of alcohol and water. It has been found that the reverse phase chromatography method can be used for industrial-scale fractionation of the tocotrienol family. Such findings are considered to be extremely significant as overriding the technical common sense that was previously impossible. It was also confirmed that even when an alcohol-water solution was used as the desorbing solution, separation was not effectively obtained when the alcohol was methanol.
- the desorbing solution preferably used in the present invention is 80 to 98.5%, preferably 90 to 95%, and the balance of alcohol-aqueous solution. It is preferably an ethanol-water mixture of water or an isopropanol-water mixture of 75-90%, preferably 80-85% of isopropanol and the balance water. If the alcohol is lower than these ranges, the desorption properties of tocopherol and tocotrienol tend to decrease (the tendency to come off the adsorbent), which increases the operating time, increases the amount of desorbed liquid used, and withdraws. On the contrary, if the alcohol content is higher than these ranges, the time difference between the desorption of tocopherol and tocotrienol becomes small, resulting in insufficient separation.
- the above-mentioned alcohol% refers to the volume before mixing, and more specifically, for example, when 90 ml of alcohol and 10 ml of water are mixed, the alcohol is 90%. .
- the composition of the ethanol-water mixture is the same in the above invention (5).
- the hydrophobic adsorbent having low polarity shown in the invention of the following (7) is preferably used.
- hydrophobic adsorbent for example, silica gel into which an alkyl group has been introduced, particularly ODS-silica gel, is preferably used.
- ⁇ DS-silica gel is known as a product in which octane decyl silane is introduced into silanol groups distributed on the surface of silica gel to adjust the polarity of the silica gel.
- a porous styrene-divinylbenzene copolymer gel may be used.
- FIG. 1 is a diagram showing an example of a schematic configuration of a pseudo moving bed type mouth separation apparatus used for carrying out the present invention.
- FIG. 2 shows that when the fractionation method of the present invention is performed using coconut oil as a raw material liquid by using the apparatus of FIG. 1, the enriched fractions of each oil such as tocotrienols and tocopherols show an affinity for the adsorbent.
- FIG. 5 is a diagram showing a state of distribution in the flow direction of a liquid due to a difference in affinity (affinity).
- Figure 3 shows that when a raw material solution containing a large amount of tocotrienols and tocopherols was fractionated by normal phase chromatography, the oil-enriched fraction had an affinity for the adsorbent (affinity).
- FIG. 7 is a diagram showing the results of the distribution in a state where it is not easy to separate in the flow direction of the liquid due to the difference in (1).
- the method of the present invention can be carried out in various ways.For example, it is regarded as substantially two components because it contains almost no other oils! / (It is similar to the tocopherol family containing other oils but having an affinity for an adsorbent in a narrow sense.)
- the feed position of the raw material liquid and the desorbed liquid and the extraction of the tocotrienol group-enriched fraction and the tocopherol-enriched fraction The outlet positions are set in a predetermined positional relationship, and all the positions are shifted to the downstream side by one unit packed tower at regular intervals.
- a general simulated moving bed type method of two-component separation can be adopted.
- the components refer to those that can be separated by differences in affinity for the adsorbent, and do not mean differences in chemical composition and the like (the same applies hereinafter).
- Japanese Patent Application Laid-Open No. As described in Japanese Patent Publication No. 804, the endless serial circulation flow path is provided so as to be circulated and shut off, and a raw material liquid containing three or more components having different affinities for the adsorbent is supplied to the large number of unit packed columns.
- a raw material liquid containing three or more components having different affinities for the adsorbent is supplied to the large number of unit packed columns.
- an adsorption zone is formed that is sequentially separated from components having low affinity for the adsorbent into components having high affinity, and upstream of the adsorption zone where a component selected in advance among components having low affinity is formed.
- a first step of extracting from the system While circulating the system without supplying the components, the components separated in the adsorption zone remaining in the first step are separated from each other while supplying the desorbed solution according to the method of the two-component simulated moving bed.
- the second step of extracting each of the raw materials separately is performed by sequentially changing the supply position of the raw material liquid, the supply position of the desorption liquid, and the extraction position of each fraction in accordance with the movement of the adsorption zone enriched with each component.
- the operation can be repeated in one cycle while performing the operation of switching and transferring one unit packed column to the downstream side of the circulation.
- the ⁇ pseudo-moving bed method for two-component separation '' performed in the second step is to circulate the liquid in the system by means of a pump, etc. in the endless serial circulation channel of multiple unit packed towers filled with adsorbent While supplying the desorbing liquid from the upstream position in the zone where the predetermined component is enriched, extracting the enriched fraction from the downstream position in the zone, and sequentially removing the enriched fraction in accordance with the movement of the adsorption zone. This refers to the operation of shifting to the downstream of the circulation flow.
- the components remaining in the first step are supplied without supplying the raw material liquid, while supplying the desorbed liquid to the circulation flow path and causing the liquid to flow in the circulation flow path.
- components extracted from one outlet include a plurality of components
- the components can be extracted as one group without distinction, and for example, the extraction of a plurality of components can be separately performed with time. (Separate in chronological order). More specifically, if components having different affinities are extracted in three stages, ie, initial, intermediate, and final stages, components whose distribution is further separated within one enriched fraction can be separated.
- the desorbed liquid may be supplied to the circulation channel system.
- the position for supplying the desorbed liquid is preferably from an upstream position in the adsorption zone where the component having the highest affinity for the adsorbent is distributed or a position further upstream than the adsorption zone.
- other components separated in the adsorption zone in the first step are preferably from an upstream position in the adsorption zone where the component having the highest affinity for the adsorbent is distributed or a position further upstream than the adsorption zone.
- a component having a low affinity can be simultaneously extracted from the system.
- the apparatus used for carrying out the above method is not particularly limited.
- a unit packed tower filled with an adsorbent is generally 4 to 20 units, preferably 8 to 14 units.
- An endless series circulation flow path is formed by using a plurality of pieces selected from the plurality, and a liquid supply port and a liquid discharge port that can be opened and closed can be respectively switched between each unit packed tower in the circulation flow path. It can be configured by providing a liquid circulation means such as a pump for liquid circulation in the middle of the circulation flow path.
- the interruption in the operation of the first step can be performed by controlling the supply and withdrawal of the liquid so that the liquid does not substantially flow at that position.
- a shutoff valve that can be opened and closed can be provided in the middle of the flow (generally one or two places). That is, a shutoff valve is provided in at least one place of a path that sequentially connects a plurality of unit packed towers in the circulation flow path, and the raw material liquid is supplied from a position immediately downstream of the shutoff valve while the shutoff valve is closed, and the affinity
- the first step of extracting the tocotrienol from immediately upstream of the shut-off valve while supplying the desorbing liquid to the unit packed tower at a predetermined position can be performed.
- the tocotrienol raw material liquid (tocotrienol raw material liquid containing tocotrienol and tocoprole) used in carrying out the method of the present invention is not particularly limited as long as it contains a tocotrienol group.
- oil typically, oil (palm oil), rice bran oil, soybean oil, etc. can be used.
- the method of the present invention is described in, for example, JP-A-6-912205, in which the above-mentioned desorbed liquid recovery zone in the second step is omitted unless the amount of desorbed liquid used is taken into account. It can also be implemented by the three-zone method.
- Fig. 1 shows the apparatus of this example used in the preparative method for separating and recovering tocotrienol from a raw material liquid containing tocotrienols in a concentrated state (50% or more in the raw material liquid).
- 101 to 110 are a group of unit packed towers (hereinafter referred to as “columns”) filled with ODS silica gel adsorbent, and the end of each tower is connected to the top of the next tower by piping. As a whole, it is configured as an endlessly connected circulation system.
- shutoff valve Z10 is interposed to force the flow in the circulation system as necessary. It is provided so that it can be shut off automatically.
- Reference numeral 301 denotes a supply pipe (supply line) for the raw material liquid f, which is connected so that the raw material liquid can be supplied from the top of the column 101 via an openable / closable valve: f1.
- Reference numeral 302 denotes a desorbed liquid supply pipe (supply line). The desorbed liquid can be supplied from the top of each column 101 to 110 via supply valves dl to d10. It is connected.
- Reference numeral 303 denotes a weakly adsorbed component extraction pipe, and a weakly adsorbed component (an enriched fraction of other components) is supplied from the column 101 to 110 via the extraction valves al to a10. It is connected so that it can be pulled out.
- Reference numeral 304 denotes a strongly adsorbing component extraction pipe.
- the strongly adsorbing component liquid ( ⁇ -tocopherol-enriched liquid) is drawn from the end of the column 101 to 110 via the extraction valves cl to cl0. (Liquid separation) is connected to the end of each tower so that the liquid can be extracted.
- Reference numeral 305 denotes an intermediate component liquid (tocotrienol-enriched fraction) extraction pipe, which is connected so that the intermediate component can be extracted from the column 10 via an extraction valve b10.
- the shut-off valve (edge valve) z 10 is closed, Is cut off at this position, and the raw material liquid is supplied from the top of column 101 through the f1 valve, and is removed through the d6 valve opened from the top of column 106.
- the syneresis was supplied, and the weakly adsorbed component liquid (the fraction enriched with other components) was withdrawn through the a3 valve opened from the end of the column 103.
- the operation was performed so as to extract the enriched intermediate adsorbent liquid (tocotrienol-enriched fraction) through a b10 valve opened from the bottom of the column.
- one cycle from the first step to the tenth step is one cycle, and this is sequentially repeated. Therefore, at the beginning of the first step of one cycle, components fractionated from the raw material liquid supplied to the column 101 in the previous cycle remain in each column.
- the intermediate adsorption component liquid (tocotrienol-enriched fraction liquid) supplied to the column 101 in the first step of the previous cycle and separated by circulation of the liquid in the second step to the tenth step is supplied to the column. It is separated into 110. Therefore, in the first step, tocotrienol is extracted from the column 110 while supplying the raw material liquid to the column 110. Also, at the stage of starting the first step, the weakly adsorbed component liquid (the fraction enriched in other components) in the previous cycle exists in the column 103, from which other components are extracted. .
- a part of the desorbed liquid may flow into the column 106.
- the shutoff valve z10 is opened to allow circulation in each column, and the desorbed liquid is supplied via the d7 valve opened from the top of the column of the power ram 107.
- the weakly adsorbed component liquid fraction of the other component
- c Withdraw the strongly adsorbed component liquid (rich fraction of heart tocopherol) via the 8 valve.
- the raw material liquid was not supplied to the column 101.
- the undiluted solution may be introduced, but it may adversely affect the separation of tocotrienols.
- the strongly adsorbed component liquid that is most easily adsorbed to the adsorbent is located in the column upstream of the intermediate adsorbed component liquid. are doing. Therefore, in the second step, the force at which this strongly adsorbed component liquid is adsorbed The strongly adsorbed component liquid is extracted from the ram 108. At this time, the desorbing liquid is supplied to the column 107 located on the upstream side of the adsorption zone of the strongly adsorbing component liquid to promote the movement of the strongly adsorbing component liquid by the desorbing liquid. In the first step, the desorbed liquid is supplied to the column 106 for the same purpose.
- the strongly adsorbed component liquid is transported by the desorption liquid, and in the separation and purification operation zone (Band 2), the circulating liquid is supplied to the newly supplied raw material liquid.
- a new separation and purification is performed, and a liquid (substantially desorbed liquid) from which all of the strong, intermediate, and weakly adsorbed liquids have been removed (substantially desorbed liquid) is circulated in the desorbed liquid recovery zone (zone 3).
- the operation is carried out under the conditions for operating the ordinary simulated moving bed apparatus, except that the raw material liquid is not supplied.
- a pseudo adsorbent flow is created by moving the desorbed liquid supply position and the withdrawal position of each enriched fraction liquid by one packed tower at fixed intervals in the liquid flow direction. Extract the components and ⁇ -tocopherol.
- an operation is performed to separate and recover the remaining tocotrienols. Therefore, in the third step, which is the next step, the columns of 108 to 109 are in the desorption operation zone (band 1), and the columns of 110 to 105 are in the separation and purification operation band (band).
- the column group of 106 to 107 forms a desorbed liquid recovery zone (zone 3).
- zone 3 the total number of rams is 10, and the number of columns in each zone is also set.
- the present invention is not limited to the configuration of this example.
- the strongly adsorbed component liquid can be extracted from the column 107.
- the intermediate adsorption component liquid is extracted from the column 110 which is the furthest column from the column 101 to which the raw material liquid is supplied. Therefore, The fraction containing the target substance, tocotrienol, can be separated with the most advanced fractionation.
- the weakly adsorbed component liquid exists in the column 103 in the previous cycle, but in the subsequent steps, the weakly The adsorbed components are also mixed.
- the device in Fig. 1 is a multi-component separation simulated moving bed type chromatograph, in which 10 packed towers with an inner diameter of 2.2 cm and a length of 150 cm are connected in an endless series.
- Table 2 shows the results (component composition) of operating the multi-component simulated moving bed type chromatograph under these conditions.
- Comparative Test Example 1 In order to increase the processing capacity of Comparative Test Example 1, the operation was performed under the condition that the raw material supply amount was increased (loading twice as high as Comparative Test Example 1. 3.85 (L / D)). At this time, the raw material solid processing capacity was 0.062 kg / D. The results are shown in Table 4 below.
- the present invention obtains tocotrienol separation and recovery from a raw material liquid containing a tocoprolol group (a raw material liquid containing a large amount of tocoprole and tocotrienol) at low cost on an industrial scale, not at a laboratory level. Simulated transfer that can maintain the recovery and purity of tocotrienol at a sufficiently high level while enabling industrial scale implementation that could not have been predicted from the prior art. There is an effect that a layered sorting technique can be provided.
- the separation and recovery on an industrial scale can be realized by a method that is not much different from the conventionally known simulated moving bed type chromatographic separation method.
- it has an excellent effect of reducing initial equipment costs and operating costs during operation.
- the conditions are limited to the use of an alcohol-aqueous solution with 2 or more carbon atoms as the desorbing solution.However, a method using such a limited desorbing solution and using a reverse phase chromatography method is adopted.
- the tocotrienol group can be predominantly separated on an industrial scale from the raw material liquid containing the tocopherol group and the tocotrienol group, and the heat energy can be reduced as compared with conventional general industrial methods such as distillation. It has the effect of realizing extremely effective tocotrienol fractionation in terms of cost, etc., and is extremely meaningful as overriding the technical common sense that was previously impossible. It should be noted that even when the above alcohol-based aqueous solution is used as the desorbing solution, the separation cannot be effectively obtained when the alcohol is methanol. For the first time.
- the present invention also provides an adsorbent for reversed phase liquid chromatography, 0 DS-silica gel. Is widely used in analytical techniques, but it also has the effect of expanding the use of the adsorbent, which has hardly been adopted in preparative techniques using reversed-phase chromatography. .
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01997483A EP1336610A4 (en) | 2000-11-21 | 2001-11-21 | PROCESS FOR THE CHROMATOGRAPHIC MANUFACTURE OF TOCOTRIENOL |
US10/432,136 US20040026323A1 (en) | 2000-11-21 | 2001-11-21 | Method for chromatographic preparation of tocotrienol |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2000-353871 | 2000-11-21 | ||
JP2000353871A JP2002153702A (ja) | 2000-11-21 | 2000-11-21 | トコトリエノ−ルのクロマト分取法 |
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WO2002042287A1 true WO2002042287A1 (fr) | 2002-05-30 |
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PCT/JP2001/010164 WO2002042287A1 (fr) | 2000-11-21 | 2001-11-21 | Methode de preparation par chromatographie de tocotrienol |
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US (1) | US20040026323A1 (ja) |
EP (1) | EP1336610A4 (ja) |
JP (1) | JP2002153702A (ja) |
WO (1) | WO2002042287A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7488422B2 (en) | 2004-10-01 | 2009-02-10 | 3M Innovative Properties Company | Method and apparatus for separating a target molecule from a liquid mixture |
JP2007064944A (ja) * | 2005-09-02 | 2007-03-15 | Japan Organo Co Ltd | クロマト分離方法 |
US7413660B2 (en) | 2005-09-30 | 2008-08-19 | 3M Innovative Properties Company | Single pass method and apparatus for separating a target molecule from a liquid mixture |
EP1775001A1 (en) | 2005-10-13 | 2007-04-18 | Xendo Holding B.V. | Device for chromatographic separations |
US8920645B2 (en) | 2005-12-07 | 2014-12-30 | Tarpon Biosystems Inc. | Disposable chromatography valves and system |
US7901581B2 (en) | 2007-06-15 | 2011-03-08 | Ge Healthcare Bio-Sciences Ab | Chromatography method |
WO2012154613A1 (en) * | 2011-05-06 | 2012-11-15 | Edison Pharmaceuticals, Inc. | Improved process for the preparation of d-alpha-tocotrienol from natural extracts |
US8937191B2 (en) * | 2012-12-20 | 2015-01-20 | Orochem Technologies, Inc. | Recovery of highly pure alpha-tocotrienol from crude palm oil extract |
JP6675704B2 (ja) * | 2013-05-16 | 2020-04-01 | オルガノ株式会社 | 高純度セレブロシドの製造方法 |
US9512098B1 (en) | 2014-02-03 | 2016-12-06 | Board Of Trustees Of The University Of Arkansas | Process of producing purified gamma- and delta-tocotrienols from tocol-rich oils or distillates |
CN104262315A (zh) * | 2014-09-05 | 2015-01-07 | 宁波大红鹰生物工程股份有限公司 | 一种生育三烯酚的分离提纯方法 |
EP3390377A1 (en) * | 2015-12-16 | 2018-10-24 | BioElectron Technology Corporation | Improved methods for enriching alpha-tocotrienol from mixed tocol compositions |
CN106198826B (zh) * | 2016-07-15 | 2018-01-02 | 江苏出入境检验检疫局动植物与食品检测中心 | 用气相色谱‑正化学源‑质谱联用技术测定食用植物油中生育酚和生育三烯酚含量的方法 |
US11014903B2 (en) * | 2017-02-17 | 2021-05-25 | Phytochem Products Inc. | Vitamin E production method and vitamin E production device |
JP6769643B1 (ja) * | 2020-04-30 | 2020-10-14 | 東海物産株式会社 | イミダゾールジペプチドの精製方法 |
Citations (4)
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EP0495640A1 (en) * | 1991-01-16 | 1992-07-22 | Soken Kagaku Kabushiki Kaisha | Process and apparatus for separating and purifying a multicomponent mixture |
US5198120A (en) * | 1989-12-26 | 1993-03-30 | Japan Organo Co., Ltd. | Process for fractional separation of multi-component fluid mixture |
JPH0859647A (ja) * | 1994-08-29 | 1996-03-05 | Riken Vitamin Co Ltd | トコフェロールの製造方法 |
EP1083174A1 (en) * | 1999-09-10 | 2001-03-14 | TechniKrom, Inc. | Method for producing purified tocotrienols and tocopherols using liquid chromatography |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5799583A (en) * | 1980-12-15 | 1982-06-21 | Agency Of Ind Science & Technol | Fractional concentration of tocotrienols |
JPS6193178A (ja) * | 1984-10-12 | 1986-05-12 | Agency Of Ind Science & Technol | トコトリエノ−ル類の分離方法 |
JPS61151186A (ja) * | 1984-12-24 | 1986-07-09 | Nisshin Oil Mills Ltd:The | トコトリエノ−ル類およびトコフエロ−ル類の濃縮法 |
JP2962594B2 (ja) * | 1991-06-12 | 1999-10-12 | オルガノ株式会社 | 複数成分の分離方法 |
-
2000
- 2000-11-21 JP JP2000353871A patent/JP2002153702A/ja active Pending
-
2001
- 2001-11-21 EP EP01997483A patent/EP1336610A4/en not_active Withdrawn
- 2001-11-21 US US10/432,136 patent/US20040026323A1/en not_active Abandoned
- 2001-11-21 WO PCT/JP2001/010164 patent/WO2002042287A1/ja active Application Filing
Patent Citations (4)
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US5198120A (en) * | 1989-12-26 | 1993-03-30 | Japan Organo Co., Ltd. | Process for fractional separation of multi-component fluid mixture |
EP0495640A1 (en) * | 1991-01-16 | 1992-07-22 | Soken Kagaku Kabushiki Kaisha | Process and apparatus for separating and purifying a multicomponent mixture |
JPH0859647A (ja) * | 1994-08-29 | 1996-03-05 | Riken Vitamin Co Ltd | トコフェロールの製造方法 |
EP1083174A1 (en) * | 1999-09-10 | 2001-03-14 | TechniKrom, Inc. | Method for producing purified tocotrienols and tocopherols using liquid chromatography |
Non-Patent Citations (2)
Title |
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S.L. ABIDI: "Chromatographic analysis of tocol-derived lipid antioxidants", J. CHROMATR. A, vol. 881, 9 June 2000 (2000-06-09), pages 197 - 216, XP004200141 * |
S.L. ABIDI: "Reversed-phase retention characteristics of tocotorienol antioxidants", J. CHROMATR. A, vol. 844, 1999, pages 67 - 75, XP004170294 * |
Also Published As
Publication number | Publication date |
---|---|
JP2002153702A (ja) | 2002-05-28 |
US20040026323A1 (en) | 2004-02-12 |
EP1336610A1 (en) | 2003-08-20 |
EP1336610A4 (en) | 2006-05-17 |
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