CN102180988B - Method for preparing k-carrageenan with high gel strength from eucheuma - Google Patents
Method for preparing k-carrageenan with high gel strength from eucheuma Download PDFInfo
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Abstract
The invention relates to a method for preparing k-carrageenan with high gel strength from eucheuma. The method comprises the following steps of: (1) adding aqueous solution of ethanol into red algae eucheuma, treating under the ultrasonic condition, and draining water from the algae residue; (2) adding alkali modifier into the algae residue, and heating to remove sulfate groups on the C6 site in carrageenan so as to form 3,6-inner ether-galactose; (3) boiling gel: cleaning the algae residue by using tap water, draining water, adding deionized water, boiling the gel, and filtering to obtain carrageenan gel solution; (4) adding macroporous weak alkaline styrene series anion exchange resin into the carrageenan gel solution, decolorizing, and filtering to obtain liquid for later use; and (5) adding a flocculation accelerator into the liquid obtained by filtering, filtering to obtain white gel, performing vacuum drying, and crushing the product obtained by vacuum drying to obtain the k-carrageenan. By the method, the loss of gel is low, the consumption of alkali is greatly reduced, and the water treatment cost and the environmental pollution are reduced.
Description
Technical field
The present invention relates to a kind of method of from the red algae Eucheuma muricatum (Gmel.) Web, extracting the high-gel strength kappa-carrageenan, belong to oceanic resources processing and utilization field.
Background technology
Carrageenin (Carrageenan; Claim X 5189, carrageeman again) be a kind of water-soluble colloid that from chondrus ocellatus Holmes (Chondrus), Eucheuma muricatum (Gmel.) Web (Eucheuma), China fir algae (Gigartina) and husky dish multiple red algaes such as (Hypena), extracts, be one of the world's three big seaweed gel Industrial products (agar-agar, carrageenin, algin).Carrageenin is the complex mixture of several kinds of polysaccharide, and by 1,3-β-D-galactopyranose and 1,4-α-D-galactopyranose be as basic framework, the linear polysaccharide that alternately is formed by connecting.The position that on semi-lactosi, is connected according to half ester formula sulfate is different, can be divided into seven types, three kinds on the type of type of the type of κ-(Kappa) that mainly contains of industrial production and use at present, ι-(Iota) and λ-(Lamda).κ-type carrageenin can form hard fragility glue; Its solidifiability is best, and viscosity is lower, is fit to cook jelly, fixed enzyme vector and capsule for medicine etc.; Use the most extensive in the industry; Especially utilizing the κ of high purity high-gel strength-type carrageenin to manufacture medicinal hard capsule becomes hot research in recent years, so the good kappa-carrageenan of processability, and very significant meaning and use value are arranged.
Chinese patent document application number is the new process for producing that 03114130.7 (publication number CN1450088A) introduced a kind of carrageenin, and the carrageenin gel-strength of this invented technology gained is low (less than 1500g/cm
2), and alkali consumption big (concentration of potassium hydroxide is 5～25%) in the alkali modification process, water loss is many during cleaning, and environmental pollution is serious.Chinese patent document application number is that 200510019044 (publication number CN1769302A) have proposed the method that a kind of diluted alkaline legal system is equipped with the Kappa-carrageenin; Though this method has reduced concentration of potassium hydroxide in the alkali modification process (0.5～1%); But employing concentration is 0.05～0.5% mineral acid pre-treatment; Be prone to cause colloid loss, reduce the colloid yield, and in this patent and the undeclared κ for preparing-type carrageenin gel-strength.The carrageenin product of handling without bleaching in addition is a brown, can not satisfy demand for commodity, does not all mention the problem of carrageenin color and luster and transparency in these two patents.People's bleaching process to carrageenin in the discussion of carrageenin production technique such as beam Qinghua are studied; Adopt the sodium hypochlorite bleaching method, but chlorine not only influences operating environment, the infringement workman's is healthy; And bigger to the carrageenan molecule structure deteriorate, cause unstable product quality.
Ion exchange resin is the one type of novel high polymer parting material that grows up the sixties in 20th century, has the good adsorption performance, and after the nineties in last century, its application is extensive day by day, is particularly demonstrating very strong meliority aspect the separation and purification of natural product.Big quantity research shows that ion exchange resin possesses good physical property, and decolouring characteristic and reproducing characteristic are applicable to the decoloration process of polysaccharide very much.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art; A kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan is provided; It is big to have solved the alkaline purification concentration that conventional process techniques exists, and causing cleaning water loss increases, the defective of the serious and chemical decolorization method of environmental pollution.
According to technical scheme provided by the invention, a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan, characteristic are to comprise following process step:
(1) ethanol ultrasonic pretreatment: in the red algae Eucheuma muricatum (Gmel.) Web, add aqueous ethanolic solution, under the UW condition, handled 30～60 minutes, cleaning and swelling are with softening Eucheuma muricatum (Gmel.) Web frond, and said ultrasonic frequency is 60～90KHz, and treatment temp is 20～60 ℃; The algae-residue that obtains after the ultrasonication is drained, and aqueous ethanolic solution reclaims; The ratio of said red algae Eucheuma muricatum (Gmel.) Web raw material and aqueous ethanolic solution is 1g:10～50ml, and the concentration expressed in percentage by volume of said aqueous ethanolic solution is 10～50%;
(2) Pottasium Hydroxide alkali modification: in the algae-residue that step (1) obtains, add the alkali modification agent; The ratio of said red algae Eucheuma muricatum (Gmel.) Web raw material and alkali modification agent is 1g:5～20ml; Be heated to 60～90 ℃ and handled 1～2 hour, said alkali modification agent is that mass concentration is 1～5% potassium hydroxide solution;
(3) boil glue: the algae-residue that obtains with tap water cleaning step (2) is 7～8 to pH, and the back that drains the water adds the deionized water with respect to 15 ~ 30 times of red algae Eucheuma muricatum (Gmel.) Web raw materials quality, under 75～95 ℃ condition, extracts 1～2 hour, filters, and obtains the carrageenin glue;
(4) macroporous type weakly basic styrene type anion exchange resin purifying decolouring: in the carrageenin glue that step (3) obtains, add the macroporous type weakly basic styrene type anion exchange resin; Said red algae Eucheuma muricatum (Gmel.) Web raw material and macroporous type weakly basic styrene type anion exchange resin's mass ratio is 1:10～50; Under 40～60 ℃ of conditions, stir decolouring 1～2 hour, said stirring velocity is 30～80r/min;
(5) vacuum-drying: add flocculation accelerator in the liquid that after the decolouring of step (4) purifying, obtains, the ratio of the liquid that obtains after said flocculation accelerator and the purifying decolouring is 3～6g/100ml; Filter, the white gels thing that obtains vacuum-drying 3～6 hours under 45～60 ℃ of conditions, vacuum tightness is-0.06 ~-0.09 MPa, the product that obtains after the vacuum-drying is crushed to 80～120 orders, promptly obtains described kappa-carrageenan.
Said flocculation accelerator is a Repone K.
Said macroporous type weakly basic styrene type anion exchange resin can regeneration after percent by volume is 80～99% aqueous ethanolic solution processing.
Said resin can regeneration after percent by volume is 80～99% aqueous ethanolic solution processing.
The present invention has following advantage:
1, compare with other kappa-carrageenans preparation method, the inventive method makes high temperature low concentration alkali modified-reaction successful earlier with ethanol ultrasonic pretreatment raw material Eucheuma muricatum (Gmel.) Web; Colloid runs off few; And significantly reduced the alkali consumption, reduced cost of water treatment and environmental pollution, this method is not appeared in the newspapers;
2, mostly the carrageenin decoloring method is chemical process, and the present invention adopts the decolouring of macroporous type weakly basic styrene type anion exchange resin purifying, and decolorizing effect is obvious, and environment friendly and pollution-free, and this method is not appeared in the newspapers;
3, the kappa-carrageenan product gel-strength for preparing of the inventive method reaches 1800～2000g/cm
2, colloid yield 30～33%, viscosity 150～180cp, color and luster are white, occupy leading domestic level, can supply the industrial production reference.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
Macroreticular weakly base styrene type anionite-exchange resin of the present invention can adopt Jiangsu Province to border on the sea D301 type macroreticular weakly base styrene type anionite-exchange resin that resin Science and Technology Ltd. produces.
Embodiment one: a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan comprises following process step:
(1) ethanol ultrasonic pretreatment: in 10g red algae Eucheuma muricatum (Gmel.) Web, add the 150ml aqueous ethanolic solution, under the UW condition, handled 30 minutes, cleaning and swelling are with softening red algae Eucheuma muricatum (Gmel.) Web frond, and said ultrasonic frequency is 70KHz, and treatment temp is 30 ℃; The algae-residue that obtains after the ultrasonication is drained, and aqueous ethanolic solution reclaims; The concentration expressed in percentage by volume of said aqueous ethanolic solution is 20%;
(2) Pottasium Hydroxide alkali modification: in the algae-residue that step (1) obtains, add the agent of 150ml alkali modification, be heated to 80 ℃ and handled 1 hour, to remove C in the carrageenin
6Sulfate group on the position forms 3,6-inner ether-semi-lactosi; Said alkali modification agent is that mass concentration is 3% potassium hydroxide solution;
(3) boil glue: using tap water to clean algae-residue is 7～8 to pH, and the deionized water that the back that drains the water adds 200ml extracted 1 hour under 80 ℃ condition, filtered, and obtained the carrageenin glue;
(4) macroporous type weakly basic styrene type anion exchange resin purifying decolouring: in the carrageenin glue that step (3) obtains, add 100g macroporous type weakly basic styrene type anion exchange resin; Under 45 ℃ of conditions, stir decolouring 2 hours, said stirring velocity is 30r/min; Said resin can be regenerated after percent by volume is 80～99% aqueous ethanolic solution processing; The ADS-22 macroporous resin that described macroreticular weakly base styrene type anionite-exchange resin can adopt Xi'an Lanxiao Sci-Tech Co., Ltd. to produce;
(5) vacuum-drying: add flocculation accelerator Repone K in the liquid that after step (4) is filtered, obtains, said flocculation accelerator is 3g/100ml with the ratio of filtering back liquid; , filter, the white gels thing that obtains vacuum-drying 4 hours under 60 ℃ of conditions, vacuum tightness is-0.06MPa that the product that obtains after the vacuum-drying is crushed to 100 orders, promptly obtains described kappa-carrageenan.
The present invention adopts ethanolic soln ultrasonic pretreatment and lower concentration potassium hydroxide solution alkali modification to handle the red algae Eucheuma muricatum (Gmel.) Web and extracts kappa-carrageenan, has removed C in the carrageenin
6Sulfate group on the position forms 3,6-inner ether-semi-lactosi; 3, the de-oxygenised water bridge in 6-inner ether-galactose residue can form hydrogen bond with the Wasserstoffatoms in other carrageenan molecule, promotes the formation of carrageenin gelinite duplex configuration; Be beneficial to the formation cross-linked network, thereby improve the colloidal gel-strength.The macroporous anion exchange resin effective elimination pigment and other small molecular weight impurities in the carrageenin, product color and transparency are comparatively desirable.
The concrete effect of present embodiment and existing method is more as shown in table 1.
Table 1
| ? | Embodiment one (triplicate) | Existing method (triplicate) |
| The ethanol ultrasonic pretreatment | 20% alcohol pre-treatment | Do not carry out the ethanol ultrasonic pretreatment |
| Alkali modification | The 3%KOH modification | The 3%KOH modification |
| Anionite-exchange resin | 45 ℃ decoloured 2 hours | The processing of not decolouring |
| Yield | 32.7% | 22.9% |
| Gel-strength | 1952.3g/cm 2 | 265.9g/cm 2 |
| Viscosity | 180cp | 130cp |
| Transparency | 90% | 50% |
| Color and luster | White | Vandyke brown |
Can be known that by table 1 adopt the inventive method, the kappa-carrageenan product gel-strength for preparing significantly improves, indexs such as product yield, viscosity and transparent color and luster degree are also greatly taken on a new look simultaneously.
Embodiment two: a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan comprises following process step:
(1) ethanol ultrasonic pretreatment: in 1000g red algae Eucheuma muricatum (Gmel.) Web, add the 10L aqueous ethanolic solution, under the UW condition, handled 50 minutes, cleaning and swelling are with softening red algae Eucheuma muricatum (Gmel.) Web frond, and said ultrasonic frequency is 80KHz, and treatment temp is 50 ℃; The algae-residue that obtains after the ultrasonication is drained, and aqueous ethanolic solution reclaims; The concentration expressed in percentage by volume of said aqueous ethanolic solution is 30%;
(2) Pottasium Hydroxide alkali modification: in the algae-residue that step (1) obtains, add the agent of 10L alkali modification, be heated to 75 ℃ and handled 2 hours, to remove C in the carrageenin
6Sulfate group on the position forms 3,6-inner ether-semi-lactosi; Said alkali modification agent is that mass concentration is 4% potassium hydroxide solution;
(3) boil glue: using tap water to clean algae-residue is 7～8 to pH, and the deionized water that the back that drains the water adds 20L extracted 2 hours under 75 ℃ condition, filtered, and obtained the carrageenin glue;
(4) macroporous type weakly basic styrene type anion exchange resin purifying decolouring: in the carrageenin glue that step (3) obtains, add 50kg macroporous type weakly basic styrene type anion exchange resin; Under 50 ℃ of conditions, stir decolouring 2 hours, said stirring velocity is 80r/min; Said resin can be regenerated after percent by volume is 80～99% aqueous ethanolic solution processing; The ADS-8 macroporous resin that described macroreticular weakly base styrene type anionite-exchange resin can adopt Xi'an Lanxiao Sci-Tech Co., Ltd. to produce;
(5) vacuum-drying: add flocculation accelerator Repone K in the liquid that after step (4) is filtered, obtains, said flocculation accelerator is 6g/100ml with the ratio of filtering back liquid; Filter, the white gels thing that obtains vacuum-drying 5 hours under 50 ℃ of conditions, vacuum tightness is-0.09 MPa, the product that obtains after the vacuum-drying is crushed to 80～120 orders, promptly obtains described kappa-carrageenan.Through measuring, the yield of gained carrageenin product is 31.5%, and gel-strength is 1904.9g/cm
2, viscosity is 160cp, and transparency is 95%, and color and luster is a white.
Embodiment three: a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan comprises following process step:
(1) ethanol ultrasonic pretreatment: in 200g red algae Eucheuma muricatum (Gmel.) Web, add the 2000ml aqueous ethanolic solution, under the UW condition, handled 30 minutes, cleaning and swelling are with softening red algae Eucheuma muricatum (Gmel.) Web frond, and said ultrasonic frequency is 90KHz, and treatment temp is 40 ℃; The algae-residue that obtains after the ultrasonication is drained, and aqueous ethanolic solution reclaims; The concentration expressed in percentage by volume of said aqueous ethanolic solution is 50%;
(2) Pottasium Hydroxide alkali modification: in the algae-residue that step (1) obtains, add the agent of 1000ml alkali modification, be heated to 60 ℃ and handled 2 hours, to remove C in the carrageenin
6Sulfate group on the position forms 3,6-inner ether-semi-lactosi; Said alkali modification agent is that mass concentration is 2% potassium hydroxide solution;
(3) boil glue: using tap water to clean algae-residue is 7～8 to pH, and the deionized water that the back that drains the water adds 4000ml extracted 1.5 hours under 95 ℃ condition, filtered, and obtained the carrageenin glue;
(4) macroporous type weakly basic styrene type anion exchange resin purifying decolouring: in the carrageenin glue that step (3) obtains, add 4000g macroporous type weakly basic styrene type anion exchange resin; Under 45 ℃ of conditions, stir decolouring 2 hours, said stirring velocity is 50r/min; Said resin can be regenerated after percent by volume is 80～99% aqueous ethanolic solution processing; The NAR-9 macroporous resin that described macroreticular weakly base styrene type anionite-exchange resin can adopt Xi'an Lanxiao Sci-Tech Co., Ltd. to produce;
(5) vacuum-drying: add flocculation accelerator Repone K in the liquid that after step (4) is filtered, obtains, said flocculation accelerator is 4g/100ml with the ratio of filtering back liquid; Filter, the white gels thing that obtains vacuum-drying 6 hours under 45 ℃ of conditions, vacuum tightness is-0.08MPa that the product that obtains after the vacuum-drying is crushed to 80～120 orders, promptly obtains described kappa-carrageenan.Through measuring, the yield of gained carrageenin product is 31.9%, and gel-strength is 1874.3g/cm
2, viscosity is 160cp, transparency 90%, and color and luster is a white.
Claims (3)
1. a method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan is characterized in that, comprises following process step:
(1) ethanol ultrasonic pretreatment: in the red algae Eucheuma muricatum (Gmel.) Web, add aqueous ethanolic solution, under the UW condition, handled 30～60 minutes, cleaning and swelling are with softening Eucheuma muricatum (Gmel.) Web frond, and said ultrasonic frequency is 60～90KHz, and treatment temp is 20～60 ℃; The algae-residue that obtains after the ultrasonication is drained, and aqueous ethanolic solution reclaims; The ratio of said red algae Eucheuma muricatum (Gmel.) Web raw material and aqueous ethanolic solution is 1g:10～50ml, and the concentration expressed in percentage by volume of said aqueous ethanolic solution is 10～50%;
(2) Pottasium Hydroxide alkali modification: in the algae-residue that step (1) obtains, add the alkali modification agent; The ratio of said red algae Eucheuma muricatum (Gmel.) Web raw material and alkali modification agent is 1g:5～20ml; Be heated to 60～90 ℃ and handled 1～2 hour, said alkali modification agent is that mass concentration is 1～5% potassium hydroxide solution;
(3) boil glue: the algae-residue that obtains with tap water cleaning step (2) is 7～8 to pH, and the back that drains the water adds the deionized water with respect to 15 ~ 30 times of red algae Eucheuma muricatum (Gmel.) Web raw materials quality, under 75～95 ℃ condition, extracts 1～2 hour, filters, and obtains the carrageenin glue;
(4) macroporous type weakly basic styrene type anion exchange resin purifying decolouring: in the carrageenin glue that step (3) obtains, add the macroporous type weakly basic styrene type anion exchange resin; Said red algae Eucheuma muricatum (Gmel.) Web raw material and macroporous type weakly basic styrene type anion exchange resin's mass ratio is 1:10～50; Under 40～60 ℃ of conditions, stir decolouring 1～2 hour, said stirring velocity is 30～80r/min;
(5) vacuum-drying: add flocculation accelerator in the liquid that after the decolouring of step (4) purifying, obtains, the ratio of the liquid that obtains after said flocculation accelerator and the purifying decolouring is 3～6g/100ml; Filter, the white gels thing that obtains vacuum-drying 3～6 hours under 45～60 ℃ of conditions, vacuum tightness is-0.06 ~-0.09 MPa, the product that obtains after the vacuum-drying is crushed to 80～120 orders, promptly obtains described kappa-carrageenan;
Said kappa-carrageenan gel-strength is 1800～2000g/cm
2, colloid yield 30～33%, viscosity 150～180cp, color and luster are white.
2. a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan as claimed in claim 1 is characterized in that: said flocculation accelerator is a Repone K.
3. a kind of method that from Eucheuma muricatum (Gmel.) Web, prepares the high-gel strength kappa-carrageenan as claimed in claim 1 is characterized in that: said macroporous type weakly basic styrene type anion exchange resin can regeneration after percent by volume is 80～99% aqueous ethanolic solution processing.
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| CN102391392B (en) * | 2011-10-12 | 2013-03-27 | 中国海洋大学 | Method for extracting agar from ahnfeltia algae |
| CN102585025B (en) * | 2012-02-05 | 2013-12-04 | 中国海洋大学 | Preparation method for low-sulfate-group low-viscosity carrageenan |
| CN103319620A (en) * | 2013-06-28 | 2013-09-25 | 如皋市双马化工有限公司 | Manufacturing process of carrageenan |
| CN103877586B (en) * | 2014-03-25 | 2016-06-29 | 暨南大学 | Medicinal hard capsule shell material containing eucheuma gelatinae polysaccharide and preparation method |
| CN105124337A (en) * | 2015-08-07 | 2015-12-09 | 黄世游 | Production technology of carrageenan |
| CN105985453A (en) * | 2016-07-26 | 2016-10-05 | 绿新（福建）食品有限公司 | Method for extracting carrageenan by using enzyme process instead of alkaline process |
| CN109706201B (en) * | 2019-01-08 | 2021-06-11 | 尚好科技有限公司 | Method for preparing low molecular weight kappa-carrageenan potassium by enzymolysis and application |
| CN110713553B (en) * | 2019-10-29 | 2021-12-10 | 广东海洋大学 | Method for extracting carrageenan from hypnea |
| CN116003644B (en) * | 2022-09-15 | 2024-03-29 | 集美大学 | Alkali extraction method for extracting kappa-carrageenan from red algae |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316439A (en) * | 2000-04-03 | 2001-10-10 | 上海众伟生化有限公司 | Process for preparing carragheenin |
| JP2007039477A (en) * | 2005-07-29 | 2007-02-15 | Toho Chem Ind Co Ltd | Cationically modified karaya gum and cosmetic composition containing the same substance |
| CN101423561A (en) * | 2008-10-22 | 2009-05-06 | 广东海洋大学 | Method for reducing fresh water dosage during carrageenan extraction by eucheuma |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620000B1 (en) * | 1970-10-20 | 1981-05-11 | ||
| JPS5695901A (en) * | 1979-12-28 | 1981-08-03 | Masayuki Matsumoto | Preparation of carrageenan by gelation with aqueous salt solution |
| JPS57131202A (en) * | 1981-02-06 | 1982-08-14 | Mitsubishi Rayon Co Ltd | Production of carrageenan |
-
2011
- 2011-04-15 CN CN 201110094170 patent/CN102180988B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316439A (en) * | 2000-04-03 | 2001-10-10 | 上海众伟生化有限公司 | Process for preparing carragheenin |
| JP2007039477A (en) * | 2005-07-29 | 2007-02-15 | Toho Chem Ind Co Ltd | Cationically modified karaya gum and cosmetic composition containing the same substance |
| CN101423561A (en) * | 2008-10-22 | 2009-05-06 | 广东海洋大学 | Method for reducing fresh water dosage during carrageenan extraction by eucheuma |
Non-Patent Citations (2)
| Title |
|---|
| 史升耀等.中国海南岛麒麟菜属卡拉胶的制备与性质.《水产学报》.1986,(第01期), * |
| 汤毅珊等.麒麟菜卡拉胶提取新工艺的探讨.《食品工业科技》.1997,(第02期), * |
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Inventor after: Wang Hongxin Inventor after: Qin Xiaojuan Inventor after: Tian Hongyun Inventor after: Ma Chaoyang Inventor after: Lou Zaixiang Inventor before: Wang Hongxin Inventor before: Tian Hongyun Inventor before: Ma Chaoyang Inventor before: Lou Zaixiang |
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Effective date of registration: 20210317 Address after: 201101 room f234, 2nd floor, building 1, No. 450, Husong Road, Minhang District, Shanghai Patentee after: Shanghai Guochu Biotechnology Co.,Ltd. Address before: No. 1800 road 214122 Jiangsu Lihu Binhu District City of Wuxi Province Patentee before: Jiangnan University |
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