WO2005054553A1 - ゼラチン繊維とその製造方法 - Google Patents
ゼラチン繊維とその製造方法 Download PDFInfo
- Publication number
- WO2005054553A1 WO2005054553A1 PCT/JP2004/017792 JP2004017792W WO2005054553A1 WO 2005054553 A1 WO2005054553 A1 WO 2005054553A1 JP 2004017792 W JP2004017792 W JP 2004017792W WO 2005054553 A1 WO2005054553 A1 WO 2005054553A1
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- WO
- WIPO (PCT)
- Prior art keywords
- gelatin
- solution
- aqueous
- fiber
- spinning
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F4/00—Monocomponent artificial filaments or the like of proteins; Manufacture thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
Definitions
- the present invention relates to a low-toxicity gelatin fiber having mechanical properties and water resistance, which can be mainly used as a bioabsorbable material or a food packaging material, and a method for producing the same.
- Gelatin is produced by dissolving a triple helical molecule of collagen, such as bovine bone, cow skin, and pig skin, which can be obtained by strong force. It is used as a bioabsorbable material because its bioabsorbability is much faster than that of an absorbent material.
- an aqueous solution of gelatin obtained by dissolving the gelatin in water has low ductility at low concentrations and gelles at high concentrations, making it difficult to use gelatin as fibers.
- the present inventors have conducted intensive studies on a method of producing gelatin fibers by wet spinning.As a result, the use of a solution containing an amide compound, a halogen salt of an alkali metal or an alkaline earth metal as a solvent for dissolving the gelatin, They found that fiber could be manufactured and filed a patent application (Patent Document 1).
- Patent Document 1 Japanese Patent Application Publication No. 2001-89929
- an object of the present invention is to provide a gelatin fiber having lower toxicity and higher strength than conventional gelatin fibers.
- a method for producing a gelatin fiber according to the present invention comprises heating a gelatin aqueous solution so as to be in a sol state, spinning the heated gelatin aqueous solution in the air, and then forming a crosslinking agent. It is characterized in that it is immersed in a solution and crosslinked. Further, the gelatin fiber of the present invention is heated so that the aqueous gelatin solution is in a sol state, the heated aqueous gelatin solution is spun in the air, and then immersed in a polyvalent glycidyl ligated product. It is characterized by being crosslinked.
- gelatin fibers with high strength and few impurities and low toxicity can be obtained by dry spinning.
- the method for producing a gelatin fiber of the present invention is characterized in that an aqueous gelatin solution containing dimethyl sulfoxide is spun in a coagulation solution. Further, the gelatin fiber of the present invention is characterized in that it is spun in a gelatin aqueous coagulation solution containing dimethyl sulfoxide.
- the method for producing a gelatin fiber of the present invention is characterized in that an aqueous gelatin solution containing a hydrophilic solvent (excluding an amide compound) is spun in the air or in a coagulating liquid. Further, the gelatin fiber of the present invention is characterized in that a gelatin aqueous solution containing a hydrophilic solvent (excluding amidy conjugate) is spun in the air or in a coagulating liquid.
- the method for producing a gelatin fiber of the present invention is characterized in that an aqueous gelatin solution containing a polyvalent glycidyl conjugate is spun in the air or in a coagulating solution.
- the gelatin of the present invention The fibers are characterized in that an aqueous gelatin solution containing a polyvalent glycidyl conjugate is spun in the air or in a coagulating liquid.
- the polyvalent glycidyl compound functions as a crosslinking agent for crosslinking gelatin molecules.
- the cross-linking points cross-linked by the polyvalent glycidyl conjugate have high stability and little change with time, and thus the obtained gelatin fibers maintain high strength for a long time.
- the gelatin fiber of the present invention has higher strength and lower toxicity as compared with the conventional gelatin fiber.
- FIG. 1 is a graph showing the relationship between tensile strength and elongation for the gelatin fibers of Examples 13 and 13 and Comparative Example 1.
- FIG. 2 is a graph showing the relationship between tensile strength and elongation for the gelatin fibers of Examples 4 and 5.
- FIG. 3 is a graph showing the relationship between tensile strength and elongation for the gelatin fiber of Example 6.
- Gelatin used in the present invention is obtained as a single molecule by unraveling the triple helix of a collagen, such as bovine bone, cowhide, or pig skin, which has also obtained strength.
- Methods for producing such gelatin include an acid treatment method for a gelatin raw material and a lime treatment method, and the gelatin used in the present invention may be gelatin produced by any method. Alternatively, commercially available gelatin may be used.
- gelatin undergoes various purification steps before being extracted in the production process, so that components other than protein are small.
- the composition is generally 8-14% in water, 2% or less in ash, and 1% or less in other components (lipids, polysaccharides, etc.).
- a powerful general gelatin can also be used.
- the molecular weight of the gelatin is not particularly limited.
- an aqueous gelatin solution obtained by dissolving the above gelatin in a solvent is used as a viscous liquid for dry spinning or wet spinning.
- an aqueous gelatin solution To dry spin an aqueous gelatin solution, the aqueous solution is heated until it becomes a sol state, and the aqueous gelatin solution in the sol state is extruded into the air of a nozzle and spun.
- the temperature of the aqueous gelatin solution is in the sol state at 40 ° C. or higher, and the heating temperature is preferably 40 ° C. or higher, more preferably 45 ° C. or higher.
- the aqueous gelatin solution is added with a halogen salt of an alkali metal or an alkaline earth metal, and further added with dimethyl sulfoxide, and then the aqueous gelatin solution is extruded into a coagulation solution. And spin.
- the concentration of the dimethyl sulfoxide is preferably from 60 to 85% by weight, more preferably from 72 to 75% by weight.
- the concentration of the hydrophilic solvent is preferably 5 to 30% by weight, more preferably 10 to 20% by weight.
- hydrophilic solvent examples include alcohols such as methyl alcohol, ethyl alcohol, and butyl alcohol, acetone, and ethyl acetate. Among them, alcohols having 14 to 14 carbon atoms are preferable as the hydrophilic solvent.
- Nozzle force When a hydrophilic solvent is mixed with a viscous liquid that is extruded into the air or a coagulating liquid and spun, friction between the viscous aqueous gelatin solution and the inner wall of the nozzle is reduced. Nozzle tip force Extrusion into the air or coagulating liquid is smooth, and the orientation of the gelatin molecules is improved. As a result, higher strength gelatin fibers can be obtained.
- a polyvalent glycidyl conjugate it is preferable to add a polyvalent glycidyl conjugate to the aqueous gelatin solution.
- the polyvalent glycidyl compound include sorbitol polyglycidyl ether, pentaerythritol polyglycidyl ether, glycerol polyglycidyl ether, resorcinol diglycidyl ether, neopentyl glycol diglycidyl ether, hydrogenated bisphenol A type diglycidyl ether, and polyethylene glycol diglycidyl ether.
- glycidyl ether, polypropylene glycol diglycidyl ether, and the like are preferable.
- the addition amount of the polyvalent glycidyl ligated product is preferably 0.01 to 0.1 part by weight based on 100 parts by weight of the aqueous gelatin solution.
- the polyvalent glycidyl compound When the polyvalent glycidyl compound is added to an aqueous gelatin solution, gelatin is cross-linked and the viscosity of the aqueous gelatin solution is increased. Therefore, it is preferable to add the polyvalent glycidyl compound while adjusting the viscosity so as to facilitate spinning.
- the polyvalent glycidyl compound acts as a so-called cross-linking agent, but the cross-linking point becomes a more stable ether bond as compared with a conventional cross-linking agent.
- the length By selecting the length, the size of the crosslinked matrix can be adjusted, and it becomes possible to obtain elastic gelatin fibers according to the application.
- the method of dissolving gelatin in a solvent is not particularly limited, but gelatin is easily dissolved in water.
- water and gelatin are mixed at, for example, 50 ° C or higher.
- the above-mentioned dimethyl sulfoxide, hydrophilic solvent, or polyvalent glycidyl conjugate is added and kneaded so as to form a uniform solution.
- the gelatin aqueous solution obtained as described above is pressure-filtered using a stainless steel filter of about 600 to 2000 mesh.
- the gelatin solution after filtration was defoamed under a reduced pressure or normal pressure, 5 transported by the gear first pump from a pressurized tank lOkg / cm 2, through a pipeline, 0. 05-0. 5mm about caliber Is extruded from a plurality of nozzles into a coagulation bath containing a coagulation liquid.
- organic solvents such as alcohols, ketones, and ethers
- alcohols include methanol, ethanol, butanol, and the like.
- ketones include acetone, 2-ketopropyl alcohol, cyclohexanone, and the like.
- ethers include getyl ether and tetrahydrofuran. And dioxane.
- the temperature of the coagulation liquid varies depending on the viscosity of the gelatin solution. Generally, it is preferable to heat the coagulation liquid to about 30 to 50 ° C.
- the gelatin fiber extruded and coagulated into the coagulating liquid is wound up on a bobbin or the like at a speed of about 11 lOmZmin, and after sufficiently removing the coagulating liquid, it is stretched or immediately rolled up. Stretch with a roller.
- the stretching ratio is about 2 to 8 times, and it is preferable to stretch as much as possible.
- ketones and ethers which have a high volatility of the coagulating liquid, may be rapidly eliminated and the physical properties of the fiber may be reduced. Therefore, a polyhydric alcohol or a derivative thereof having low volatility may be used. For example, glycerin or polyethylene glycol is preferably added.
- Examples of the addition method include a method of immersing gelatin fibers in a polyhydric alcohol solution.
- the thus obtained yarn is washed with a coagulating liquid, and then dried under tension to obtain a colorless and high-quality gelatin fiber having a single yarn diameter of 5 to 100 ⁇ m. it can.
- the strength of such gelatin fibers is about 21 to 36 MPa, which is higher than that of conventional gelatin fibers.
- the dry spinning method 30 to 80 parts by weight, preferably 40 to 50 parts by weight of gelatin powder is added to 100 parts by weight of deionized water, and the suspension is added. , Preferably 4 Dissolve the gelatin powder in deionized water by heating to 5-50 ° C. Further, a hydrophilic solvent or a polyvalent glycidyl conjugate is preferably added to the aqueous gelatin solution, and the mixture is stirred so as to form a uniform solution to obtain a spinning dope.
- a pore force of about 500 m in diameter is introduced into an air at 15-20 ° C, preferably 15-17 ° C, at a pressure of 0.4-1.2 kgZcm 2 .
- High-strength gelatin fibers can be obtained by extruding at a speed of 30-40 m / min so as to coagulate in a space of about 4-5 m.
- the gelatin fibers can be dipped in a crosslinking agent solution to crosslink the gelatin fibers to increase the strength.
- the crosslinking agent remaining in the gelatin fiber may be removed by washing with alcohol.
- the gelatin fiber thus obtained can be processed in the form of a long fiber or a short fiber.
- a body for example, a flocculent laminate, a nonwoven fabric, a knitted fabric, a woven fabric, or a fibrous cloth made of the same.
- gelatin fiber aggregate After such a gelatin fiber aggregate is cut into a required size, it is subjected to a manufacturing process, that is, cutting, sterilization, packaging, etc., to perform various bioabsorbable materials (for example, artificial dura or adhesion prevention). Material, wound protection material, etc.) and can be used.
- a manufacturing process that is, cutting, sterilization, packaging, etc., to perform various bioabsorbable materials (for example, artificial dura or adhesion prevention). Material, wound protection material, etc.) and can be used.
- a bioabsorbable material produced using the gelatin fiber of the present invention has a high strength, so that it can be made thinner than a conventional bioabsorbable material, and the amount absorbed into a living body is reduced. Will be done.
- 165 g of gelatin powder was added to 165 mL of distilled water, dissolved by heating at 50-60 ° C., and a solution prepared by adding 135 g of lithium chloride to 339 mL of dimethyl sulfoxide (DMSO) was added and kneaded. Further, a solution was prepared by adding 70 mL of DMSO, 7.3 g of lithium salt, 30 mL of distilled water, and 70 mL of glutaraldehyde separately, and mixed with the gelatin solution to prepare a viscous liquid.
- DMSO dimethyl sulfoxide
- Gelatin powder (150 g) was suspended in 150 mL of deionized water, and dissolved by heating to about 80 ° C. After adding 3 g of "Denacol EX-931" manufactured by Nagase ChemteX Corporation and 30 g of ethyl alcohol to this aqueous solution of gelatin as a polyvalent glycidyl ligated product and kneading the mixture further, the mixture was heated to about 60 ° C. The mixture was allowed to stand for 24 hours to allow sufficient crosslinking reaction and defoaming. While maintaining this viscous liquid at about 80-100 ° C, it was passed through a stainless steel single nozzle (500 ⁇ m diameter) at 15-18 ° C. 0. the airborne 2-0. extruded at a pressure of 4kgZcm 2, by winding the cassette (diameter 12cm) at a rate of 33 m so as to solidify in the space of about 4m A gelatin fiber was obtained.
- a gelatin fiber was obtained in the same manner as in Example 4, except that "Denacol EX-931" manufactured by Nagase ChemteX Corporation as a polyvalent glycidyl compound was not added.
- 96 g of gelatin powder is added to 200 mL of distilled water and heated to 80 ° C to dissolve sufficiently.Heat at 60 ° C for 24 hours to remove bubbles, fill the spinning tube with power, and maintain at 60 ° C. Extruded through a tenless single nozzle (500 m diameter) into air at 15-18 ° C at a pressure of 0.2-0.4 kg Zcm 2 , and force set at a speed of 33 meters per minute to solidify in a space of about 4 m (diameter). 12 cm) to obtain a gelatin fiber.
- the fibers were kept in a cassette and immersed in a 0.01% methanol solution of daltaraldehyde at room temperature for 2 hours for crosslinking. The fiber was thoroughly washed with methanol to remove unreacted darthal aldehyde and air dried.
- gelatin fibers of Examples 13 to 13 are extremely low in toxicity, they are highly toxic such as DMAc and inferior to the gelatin fibers of Comparative Example 1 using a solvent. ⁇ ! High, showing strength and helping to understand.
- the gelatin fiber of Example 5 by dry spinning has a much higher strength than that of Examples 13 to 13 by wet spinning, and the polyvalent glycidyl liquefaction is obtained. It can be seen that the gelatin fiber of Example 4 to which the compound was added had higher strength. Since the gelatin fibers of Examples 4 and 5 were obtained without using a solvent other than water, it can be said that the gelatin fibers were dramatically improved in terms of toxicity (safety).
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003401583A JP3887703B2 (ja) | 2003-12-01 | 2003-12-01 | ゼラチン繊維とその製造方法 |
JP2003-401583 | 2003-12-01 |
Publications (1)
Publication Number | Publication Date |
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WO2005054553A1 true WO2005054553A1 (ja) | 2005-06-16 |
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PCT/JP2004/017792 WO2005054553A1 (ja) | 2003-12-01 | 2004-11-30 | ゼラチン繊維とその製造方法 |
Country Status (2)
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JP (1) | JP3887703B2 (ja) |
WO (1) | WO2005054553A1 (ja) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298901C (zh) * | 2005-03-14 | 2007-02-07 | 东华大学 | 大豆蛋白质/聚氨酯/聚丙烯腈共混复合纤维及制备方法 |
WO2007015327A1 (ja) * | 2005-08-03 | 2007-02-08 | Kurashiki Boseki Kabushiki Kaisha | セルロース/ゼラチン複合ビスコースレーヨンフィラメントの製造方法 |
WO2009036958A2 (de) * | 2007-09-18 | 2009-03-26 | Carl Freudenberg Kg | Bioresorbierbarer gelatinevliesstoff |
WO2014190443A1 (en) | 2013-05-31 | 2014-12-04 | Eth Zurich | Improved spinning process and novel gelatin fibers |
JP2015200055A (ja) * | 2014-04-01 | 2015-11-12 | 兵庫県 | コラーゲン繊維の製造方法及び高濃度コラーゲン溶液の製造方法 |
US9186472B2 (en) | 2005-09-12 | 2015-11-17 | Abela Pharmaceuticals, Inc. | Devices for removal of dimethyl sulfoxide (DMSO) or related compounds or associated odors and methods of using same |
US9186297B2 (en) | 2005-09-12 | 2015-11-17 | Abela Pharmaceuticals, Inc. | Materials for facilitating administration of dimethyl sulfoxide (DMSO) and related compounds |
US9427419B2 (en) | 2005-09-12 | 2016-08-30 | Abela Pharmaceuticals, Inc. | Compositions comprising dimethyl sulfoxide (DMSO) |
US9839609B2 (en) | 2009-10-30 | 2017-12-12 | Abela Pharmaceuticals, Inc. | Dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM) formulations to treat osteoarthritis |
CN111334883A (zh) * | 2020-04-21 | 2020-06-26 | 中国科学院长春应用化学研究所 | 天然蛋白纤维的制备及其应用 |
JP2021513617A (ja) * | 2018-02-14 | 2021-05-27 | ソシエテ・デ・プロデュイ・ネスレ・エス・アー | 食用繊維 |
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JP2007186556A (ja) * | 2006-01-12 | 2007-07-26 | Hyogo Prefecture | 物性改善したタンパク質組成物及び成形品 |
EP2722425B1 (en) * | 2006-04-24 | 2016-01-20 | Coloplast A/S | Gelatin non-woven structures produced by a non-toxic dry solvent spinning process |
KR100765549B1 (ko) | 2006-05-19 | 2007-10-11 | 이형경 | 천연 젤라틴 섬유의 제조 방법 |
JP6960862B2 (ja) * | 2018-01-15 | 2021-11-05 | 日本バイリーン株式会社 | ゼラチン溶液と該ゼラチン溶液からなる紡糸液、および、該紡糸液を用いた繊維集合体の製造方法と該ゼラチン溶液を用いたフィルムならびに複合体の製造方法 |
JP2022001669A (ja) * | 2018-07-19 | 2022-01-06 | Spiber株式会社 | タンパク質繊維の製造方法 |
CN109851826B (zh) * | 2018-12-19 | 2021-09-17 | 福建鸿大革业有限公司 | 一种高弹聚氨酯合成方法 |
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JP2003183595A (ja) * | 2001-12-19 | 2003-07-03 | Nitta Gelatin Inc | ゲル化特性に優れたゼラチン |
JP2003193328A (ja) * | 2001-12-19 | 2003-07-09 | Nipro Corp | コラーゲン単糸の製造方法 |
JP2004149953A (ja) * | 2002-10-30 | 2004-05-27 | Kurabo Ind Ltd | セルロース/蛋白質複合繊維用紡糸原液およびセルロース/蛋白質複合繊維 |
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2004
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JP2003183595A (ja) * | 2001-12-19 | 2003-07-03 | Nitta Gelatin Inc | ゲル化特性に優れたゼラチン |
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1298901C (zh) * | 2005-03-14 | 2007-02-07 | 东华大学 | 大豆蛋白质/聚氨酯/聚丙烯腈共混复合纤维及制备方法 |
WO2007015327A1 (ja) * | 2005-08-03 | 2007-02-08 | Kurashiki Boseki Kabushiki Kaisha | セルロース/ゼラチン複合ビスコースレーヨンフィラメントの製造方法 |
US8293157B2 (en) | 2005-08-03 | 2012-10-23 | Kurashiki Boseki Kabushiki Kaisha | Method of manufacturing cellulose/gelatin composite viscose rayon filament |
US9427419B2 (en) | 2005-09-12 | 2016-08-30 | Abela Pharmaceuticals, Inc. | Compositions comprising dimethyl sulfoxide (DMSO) |
US9186297B2 (en) | 2005-09-12 | 2015-11-17 | Abela Pharmaceuticals, Inc. | Materials for facilitating administration of dimethyl sulfoxide (DMSO) and related compounds |
US9186472B2 (en) | 2005-09-12 | 2015-11-17 | Abela Pharmaceuticals, Inc. | Devices for removal of dimethyl sulfoxide (DMSO) or related compounds or associated odors and methods of using same |
EP2409718A1 (de) * | 2007-09-18 | 2012-01-25 | Carl Freudenberg KG | Bioresorbierbarer Gelatinevliesstoff |
AU2008300873B2 (en) * | 2007-09-18 | 2011-11-10 | Carl Freudenberg Kg | Bioresorbable nonwoven fabric made of gelatin |
CN101861173B (zh) * | 2007-09-18 | 2014-06-18 | 卡尔·弗罗伊登伯格公司 | 明胶制成的可生物再吸收的非织造织物 |
US10624985B2 (en) | 2007-09-18 | 2020-04-21 | Carl Freudenberg Kg | Bioresorbable nonwoven fabric made of gelatin |
EP2042199A3 (de) * | 2007-09-18 | 2011-09-14 | Carl Freudenberg KG | Bioresorbierbare Wundauflagen |
WO2009036958A3 (de) * | 2007-09-18 | 2010-02-25 | Carl Freudenberg Kg | Bioresorbierbarer gelatinevliesstoff |
WO2009036958A2 (de) * | 2007-09-18 | 2009-03-26 | Carl Freudenberg Kg | Bioresorbierbarer gelatinevliesstoff |
US9855212B2 (en) | 2009-10-30 | 2018-01-02 | Abela Pharmaceuticals, Inc. | Dimethyl sulfoxide (DMSO) or DMSO and methylsulfonylmethane (MSM) formulations to treat infectious diseases |
US9839609B2 (en) | 2009-10-30 | 2017-12-12 | Abela Pharmaceuticals, Inc. | Dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM) formulations to treat osteoarthritis |
US10596109B2 (en) | 2009-10-30 | 2020-03-24 | Abela Pharmaceuticals, Inc. | Dimethyl sulfoxide (DMSO) or DMSO and methylsulfonylmethane (MSM) formulations to treat infectious diseases |
US10156028B2 (en) | 2013-05-31 | 2018-12-18 | Eth Zurich | Spinning process |
WO2014190443A1 (en) | 2013-05-31 | 2014-12-04 | Eth Zurich | Improved spinning process and novel gelatin fibers |
JP2015200055A (ja) * | 2014-04-01 | 2015-11-12 | 兵庫県 | コラーゲン繊維の製造方法及び高濃度コラーゲン溶液の製造方法 |
JP2021513617A (ja) * | 2018-02-14 | 2021-05-27 | ソシエテ・デ・プロデュイ・ネスレ・エス・アー | 食用繊維 |
CN111334883A (zh) * | 2020-04-21 | 2020-06-26 | 中国科学院长春应用化学研究所 | 天然蛋白纤维的制备及其应用 |
CN111334883B (zh) * | 2020-04-21 | 2021-08-17 | 中国科学院长春应用化学研究所 | 天然蛋白纤维的制备及其应用 |
Also Published As
Publication number | Publication date |
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JP3887703B2 (ja) | 2007-02-28 |
JP2005163204A (ja) | 2005-06-23 |
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