WO2004054372A2 - Masse de filage destinee a la production d'enveloppes comestibles pour produits alimentaires - Google Patents

Masse de filage destinee a la production d'enveloppes comestibles pour produits alimentaires Download PDF

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Publication number
WO2004054372A2
WO2004054372A2 PCT/EP2003/014028 EP0314028W WO2004054372A2 WO 2004054372 A2 WO2004054372 A2 WO 2004054372A2 EP 0314028 W EP0314028 W EP 0314028W WO 2004054372 A2 WO2004054372 A2 WO 2004054372A2
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WO
WIPO (PCT)
Prior art keywords
spinning mass
cellulose
nmmo
fibers
filler
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PCT/EP2003/014028
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German (de)
English (en)
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WO2004054372A3 (fr
Inventor
Herbert Gord
Klaus-Dieter Hammer
Rainer Neeff
Klaus Berghof
Markus Eilers
Eberhard Taeger
Original Assignee
Kalle Gmbh & Co. Kg
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Application filed by Kalle Gmbh & Co. Kg filed Critical Kalle Gmbh & Co. Kg
Priority to AU2003300520A priority Critical patent/AU2003300520A1/en
Publication of WO2004054372A2 publication Critical patent/WO2004054372A2/fr
Publication of WO2004054372A3 publication Critical patent/WO2004054372A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C13/00—Sausage casings
    • A22C13/0013—Chemical composition of synthetic sausage casings
    • A—HUMAN NECESSITIES
    • A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22C—PROCESSING MEAT, POULTRY, OR FISH
    • A22C13/00—Sausage casings
    • A22C2013/0096—Sausage casings cellulosic

Definitions

  • the invention relates to a dope comprising water-containing N-methylmorpholine-N-oxide (NMMO), cellulose dissolved therein, at least one filler which is insoluble or soluble in the dope, but not or not completely dissolved, and at least one further component dissolved in the dope, which disrupts the structure of the cellulose precipitated during the regeneration of the dope. It also relates to a method for producing the spinning mass and its use for producing edible or consumable food casings.
  • NMMO N-methylmorpholine-N-oxide
  • the tensile strength in the longitudinal direction in the dry state is approximately 20 to 40 N / mm 2 , in the transverse direction 18 to 27 N / mm 2
  • the tensile strength in the longitudinal direction in the wet state is approximately 5 to 10 N / mm 2 , in the transverse direction in the wet state about 4 to 6 N / mm 2
  • the elongation at break in the longitudinal direction in the dry state about 10 to 30%, in the transverse direction in the dry state about 20 to 25%
  • the elongation at break in the longitudinal direction in the wet state about 10 to 20%, in the transverse direction in the wet state 24 to 28%
  • the burst pressure in the dry state 25 to 30 kPa, in the wet state about 25 to 40 kPa (the values given apply to a collagen intestine of caliber 21). It is important in any case that the tensile strength in the wet
  • the edible sausage casings based on calcium alginate developed as a replacement have proven to be technically inadequate. Due to the changing effect between the sausage meat and brine, the sparingly soluble calcium alginate is gradually converted into the more soluble sodium alginate. As a result, the covers lose stability. Edible casings based on other natural polymers, such as crosslinked casein, have also not been widely used.
  • Biodegradable, possibly even edible, molded articles made from a thermoplastic mixture which contains native or modified starch and protein as essential constituents are also known (WO 93/19125).
  • starch and protein are linked together by a crosslinking agent such as formaldehyde, glutaraldehyde or epichlorohydrin.
  • a crosslinking agent such as formaldehyde, glutaraldehyde or epichlorohydrin.
  • it can also contain plasticizers, lubricants, fillers, antimicrobial agents and / or dyes, such as glycerol, glycerol mono-, di- or triacetate, sorbitol, mannitol, ethylene glycol, polyvinyl alcohol, methyl cellulose, diethyl citrate, fatty acids, vegetable oil , Mineral oil or microcrystalline cellulose.
  • This mixture can be used for deep drawing, injection molding, blow molding or the like
  • thermoplastic mixture is not very suitable for tubular food casings, in particular cook-resistant sausage casings, because starch at least partially dissolves in hot water.
  • the material is also too tough for an edible sausage casing.
  • fibers from proteins are also known. They can be obtained by dissolving the proteins and spinning the resulting solution directly into a coagulation bath (wet spinning process) or into an air-conditioned chute (dry spinning process).
  • casein which in turn is obtained from milk by acid precipitation, is dissolved in dilute sodium hydroxide solution. The solution is then spun into an aqueous sulfuric acid precipitation bath. The resulting fibers or filaments are then hardened in a formaldehyde-containing bath.
  • other proteins such as maize, peanut, soybean, cottonseed or fish proteins can also be used as raw materials.
  • the stretched polypeptide chains are crosslinked and thus fixed.
  • other aldehydes or dialdehydes as well as formamide and aluminum sulfate are suitable as crosslinking agents.
  • NMMO N-methylmorpholine-N-oxide
  • US Pat. No. 3,447,939 Enzymatically pretreated cellulose dissolves more easily in NMMO monohydrate (DE-A 44 39 149 and 196 24 867).
  • the amine oxide / cellulose solution can be spun on known devices, for example with the aid of ring slot nozzles. After passing through an air gap, the extruded molded body enters an aqueous precipitation bath in which the cellulose is precipitated. Such processes have been described in numerous cases.
  • a food casing that meets the requirements. It contains cellulose, at least one protein and at least one filler. It is made from a spinning mass dissolved in NMMO monohydrate Cellulose, a protein (especially casein or zein) and a filler (especially finely ground wheat bran).
  • NMMO monohydrate Cellulose a protein (especially casein or zein)
  • a filler especially finely ground wheat bran.
  • the casing still has flaws which are attributed to undissolved cellulose particles. Such imperfections can cause the casing to burst when it is subsequently filled.
  • the object was therefore to improve the spinning mass in such a way that all the constituents contained therein, with the exception of the filler particles and the fibers which may only be present, are in dissolved form so that the formation of defects is reliably prevented.
  • the spinning mass should be easy and environmentally friendly to produce, without the need for any materials from slaughter animals.
  • NMMO monohydrate dissolves faster and practically without unwanted chain degradation in NMMO monohydrate.
  • the decomposition of NMMO is also minimized in this way.
  • the cellulose is activated in such a way that it dissolves more quickly when the spinning mass is produced.
  • the invention accordingly relates to a spinning mass comprising water-containing N-methyl-morpholine-N-oxide (NMMO), cellulose dissolved therein, at least one filler which is insoluble in the spinning mass or soluble, but not or not completely, and at least one filler in the Spinning mass dissolved further component, which disrupts the structure of the cellulose precipitated during the regeneration of the spinning mass, which is characterized in that the cellulose is pretreated to improve the solubility in water-containing NMMO.
  • NMMO N-methyl-morpholine-N-oxide
  • the pretreatment is preferably carried out by wet or dry grinding or shredding to a particle size of less than 4 mm, pre-swelling in water or in aqueous NMMO and / or by treatment with an enzymatic liquor. Treatment with an enzymatic liquor is particularly preferred.
  • the cellulose preferably comes from TCF or ECF pulp (Total Chlorine Free or Elemental Chlorine Free pulp) or from cotton linters. Their carbonyl and carboxyl group content is generally less than 50 ⁇ mol / g, the proportion of heavy metals therein less than 20 ppm.
  • the degree of polymerization DP (determined according to the Cuoxam method) of the cellulose is 300 to
  • a sulfite pulp with a Cuoxam-DP of about 800 to 850 has proven to be particularly favorable.
  • a grinding mill with a sieve with a mesh size of 4 mm is suitable for grinding or shredding dry pulp.
  • the cellulose then has a fibrous structure.
  • the cellulose is pre-swollen, for example, by stirring for 20 minutes in an approximately 60% by weight NMMO solution with the addition of heat.
  • the protein especially zein
  • correspondingly finely ground pulp can be stirred into an aqueous, approximately 60% by weight NMMO solution in portions, optionally together with the filler.
  • the cellulose is preferably pretreated with enzymes.
  • Hydrolases especially cellulases (eg from Aspergillus niger), hemicellulases, especially xylanases (eg from Trichoderma viride) and endoglucanases (available, for example, under the name ⁇ Cellusoft L) are particularly suitable.
  • the cellulose is generally dispersed in water, the dispersion preferably having a solids content of approximately 3 to 15% by weight, and then at a temperature of approximately 20 to 60 ° C., preferably approximately 40 to 55 ° C., with enzyme ( treated).
  • the pH of the dispersion is expediently between 3.5 and 7, preferably between 4.5 and 5.5.
  • the enzymes take about 1 hour to react.
  • a proportion of about 0.5% by weight of enzyme, in particular cellulase, based on the weight of the dry cellulose, has proven to be favorable.
  • the cellulytic enzymes can then be inactivated by increasing the pH to about 8.5 to
  • Cellulose can be washed out and dried after the enzyme treatment.
  • the proportion of pretreated cellulose is generally 2.0 to 12.0% by weight, preferably 4.0 to 8.0% by weight, based on the total weight of the spinning mass.
  • the component present in the spinning solution in dissolved form, which the
  • the protein in turn is preferably a natural, globular protein, in particular casein (milk protein), soy protein, gluten (wheat protein), zein (corn protein), ardein (peanut protein) or pea protein.
  • casein milk protein
  • soy protein soy protein
  • gluten wheat protein
  • zein corn protein
  • ardein peanut protein
  • pea protein any protein that is soluble in NMMO monohydrate together with the cellulose is suitable.
  • it has proven expedient to crosslink it beforehand. This can be achieved, for example, by reacting the protein with an aldehyde, methylol, epoxide and / or a cross-linking enzyme.
  • aldehyde aldehyde
  • methylol methylol
  • dimethylolethylene urea and dialdehydes in particular glyoxal, malonaldehyde, succinaldehyde and glutaraldehyde, are particularly suitable crosslinkers.
  • the crosslinking usually takes place in the presence of Lewis acids. In the case of crosslinking, not only do the free amino groups and any acid amide groups of the protein react, but also the imino groups of the peptide bonds and the hydroxyl groups of the serine.
  • a suitable crosslinking enzyme is, for example, transglutaminase.
  • Other suitable components for disrupting the structure of the precipitated cellulose are also homo- or heteropolysaccharides or derivatives thereof, waxes, hydrocarbons and / or synthetic polymers or copolymers
  • a suitable homopolysaccharide is, for example, starch.
  • a suitable derivative thereof is, for example, starch acetate.
  • carrageenan, xanthan and alginate are particularly noteworthy.
  • the wax is beeswax, for example,
  • the hydrocarbon is, for example, an edible natural rubber.
  • synthetic (co) polymers polyvinyl alcohol and polyethylene oxide are suitable. Of course, all of the components mentioned must be toxicologically safe.
  • the solubility of the protein in water or aqueous NMMO is optionally reduced by reaction with suitable crosslinking agents.
  • the proportion of component (s) which disturb the crystal structure of the precipitated cellulose is generally about 0.2 to 2.0% by weight, preferably about 0.8 to 1.5% by weight, in each case based on the total weight of the spinning mass.
  • the filler should dissolve as little as possible in the dope.
  • Fillers insoluble in aqueous NMMO can be added to the mash before the excess water is drawn off under reduced pressure.
  • Fillers which have a certain solubility are expediently mixed with the spinning mass only immediately before the extrusion. If necessary, the solubility of the fillers in the dope can be reduced by pre-crosslinking. Like the proteins mentioned above, they also interrupt
  • Fillers the structure of cellulose. They reduce the stretchability of a film made from the spinning mass by extrusion, without impairing its strength.
  • the filler can be organic or inorganic in nature, and comminuted natural products are preferred. So finely ground bran, especially wheat bran, is well suited.
  • finely ground natural fibers can be used, in particular flax, hemp or cotton fibers, cotton linters, chitin, chitosan, guar gum, locust bean gum or microcrystalline cellulose.
  • Inorganic fillers are, for example, finely ground calcium carbonate or SiO 2 powder.
  • the filler generally consists of essentially spherical particles with a grain size of less than 200 ⁇ m, preferably 20 to 150 ⁇ m, particularly preferably 30 to 100 ⁇ m.
  • the grain size refers to the period after regeneration.
  • the particle size is practically identical to that which can be measured on the food casing made from the spinning mass.
  • the desired grain size can be achieved, for example, by dry or wet grinding and, if necessary, by sieving to certain grain size fractions. The coarse grain fraction can then be returned to the grinding process become.
  • the diameter of the filler particles must in any case be less than the thickness of a film made from the spinning mass, so that no holes can form in the film.
  • Fillers with a platelet shape are arranged essentially parallel to the surface of the film due to the flow conditions during extrusion.
  • the length or width of the platelet-shaped particles can then also be greater than the thickness of the film.
  • the proportion of filler (s) is generally 2.0 to 12.0% by weight, preferably 3.0 to 7.0% by weight, in each case based on the total weight of the spinning mass.
  • the spinning mass contains at least one stabilizer which prevents undesired degradation of the cellulose or
  • the stabilizer expediently has an antioxidant and / or basic effect. This applies, for example, to NaOH, gallic acid (C 1 -C 3 ) alkyl esters (especially propyl gallate), reductones, phenylenediamine or hydroxylamine. These and other additives are described, for example, in EP-A 047 929.
  • the proportion of the stabilizer is generally 0.5 to 2
  • % By weight, preferably 0.6 to 1.0% by weight, in each case based on the weight of the cellulose.
  • the spinning mass may contain fibers which do not dissolve in the spinning mass.
  • these are the same fibers that are used in the production of collagen intestines. These are, for example, cellulose fibers, cotton fibers, cotton linters, flax or hemp fibers. They practically do not dissolve in aqueous NMMO or NMMO monohydrate. To do this, in some cases (this applies in particular to cellulose fibers) they have to be rendered inert by appropriate pretreatment. This is achieved, for example, by crosslinking the surface of the fibers with aldehydes, in particular glyoxal, or with citric acid.
  • the fibers improve the mechanical stability in the transverse direction of the resulting food casings.
  • the length of the fibers is generally 30 ⁇ m to 2 mm, preferably 80 to 150 ⁇ m. Their proportion, based on the total weight of the spinning mass, is generally 0.05 to 0.5% by weight, preferably 0.1 to 0.3% by weight.
  • the proportion of NMMO monohydrate is generally about 80 to 93% by weight, preferably about 85 to 90% by weight, in each case based on the total weight of the spinning mass.
  • the inventive Compared to a collagen-based spinning mass, the inventive has a significantly higher storage stability.
  • the spinning composition according to the invention is expediently produced as follows: First, the pretreated cellulose is mixed with aqueous (40 to 90% by weight, preferably about 60% by weight) NMMO. Stabilizers can already be contained in the aqueous NMMO or added to the mixture.
  • a mixture of filler which has previously been brought to the appropriate grain size, and aqueous NMMO is produced.
  • Stabilizers can in turn be contained in the aqueous NMMO or added to the mixture. Any water-soluble portions of the fillers that may be present are removed and removed beforehand, if necessary.
  • the use of a high-shear stirrer is advantageous.
  • the component dissolved in the dope which disrupts the structure of the precipitated cellulose (which is preferably a protein), is likewise first mixed with aqueous NMMO, optionally with the addition of stabilizer (s).
  • the individual suspensions produced in this way are then brought together and mixed together. Water is then drawn off from the mixture with stirring at elevated temperature and reduced pressure until the aqueous NMMO has essentially become NMMO monohydrate.
  • the solvent then consists of approximately 87% by weight of NMMO and 13% by weight
  • n D refractive index
  • the cellulose as well as the component that disturbs the structure of the precipitated cellulose completely dissolve in the NMMO monohydrate at a temperature of 90 to 115 ° C, preferably 95 to 105 ° C. Temperatures of more than 115 ° C should be avoided, otherwise there is a risk of explosion.
  • the excess water can be removed in one or two stages. There are simple mixing vessels with low shear and large ones
  • Heat exchange surface, extruder, kneader or thin film evaporator with a larger shear field and comparatively small heat exchange surface can be used.
  • the order in which the components are added is freely selectable.
  • the filler can be added last, possibly together with fibers. It can then be checked whether the other constituents have completely dissolved in the NMMO monohydrate and form a homogeneous solution. If the filler is added right at the beginning, it will distribute itself more evenly in the spinning mass. In any case, as described, the excess water is drawn off and the mixture is kept at an elevated temperature, if appropriate with stirring or kneading, until the components, with the exception of the filler and, if appropriate, the fibers, have dissolved. Which procedure is more favorable also depends on the type of components used. A filler that is (partially) soluble in aqueous NMMO or NMMO monohydrate should be added as late as possible so that not too much of it goes into solution and the particle size does not decrease too much.
  • the spinning mass according to the invention is used in the production of edible food casings, especially edible casings, ie sausage casings suitable for consumption.
  • edible food casings especially edible casings, ie sausage casings suitable for consumption.
  • the highly viscous spinning mass Before the extrusion, generally has a temperature of approximately 80 to 100 ° C., preferably approximately 90 ° C.
  • the hose first runs through an air gap of about 2 to 20 cm in length, in which it is caused by an internal gas pressure (generally generated by compressed air) is held in the cylindrical shape so that the inner walls cannot stick together. It then passes into a precipitation bath in which the cellulose and the other solid constituents of the spinning mass are coagulated and precipitated.
  • the precipitation bath usually consists of a dilute (approximately 15% by weight) aqueous NMMO solution.
  • Precipitation liquid is also fed into the interior of the hose (so-called “inner precipitation bath”).
  • the hose then runs through various washing sections in which NMMO residues are removed.
  • It is then generally plasticized (for example in an aqueous glycerol bath), dried to a residual moisture content of about 8 to 20% by weight, preferably 15 to 18% by weight, optionally also made up, for example by gathering in sections to form so-called caterpillars,
  • the mechanical properties of the food casing obtained in this way largely correspond to those of the known collagen casings the casing produced from the spinning mass according to the invention has a wet tensile strength in the longitudinal direction of approximately 4 to
  • a dry tensile strength in the longitudinal direction of 15 to 50 N / mm 2 , preferably 20 to 45 N / mm 2 , in Transverse direction 17 to 28 N / mm 2 .
  • the elongation at break in the longitudinal direction is about 12 to 30% when dry and about 10 to 20% when wet.
  • the elongation at break in the transverse direction is 20 to 25% in the dry state and 23 to 28% in the wet state.
  • the sleeves generally have a diameter of 14 to 45 mm (nominal caliber) and a wall thickness of 20 to 60 ⁇ m. preferably from 30 to 50 ⁇ m.
  • the burst pressure of the (dry) casings is generally 15 to 32 kPa. They are therefore easily chewable and are suitable as edible food casings, in particular as edible casings or sausage casings suitable for consumption, for example for sausages or sausages.
  • the production of edible food casings is also described in the unpublished application DE 101 29 539.
  • Example 1 (spinning mass with ground cellulose)
  • ECF pulp Particle size less than 3 mm
  • a pH of 11 was then set by adding NaOH.
  • An additional 12 g of propyl gallate was added as a stabilizer.
  • the spinning mass thus produced was then extruded at a temperature of 90 ° C. through an annular gap die with a gap diameter of 20 mm and a gap width of 0.5 mm.
  • the resulting film tube ran through a 10 cm air gap in which it passed through the inside
  • Compressed air was kept free of wrinkles before it entered a precipitation bath consisting of a cooled (about 15 ° C.), about 15% aqueous NMMO solution.
  • the same cooled precipitation bath liquid was also introduced into the inside of the film tube, the level of the inner precipitation bath lying approximately at the same level as that of the outer precipitation bath.
  • the indoor precipitation bath was continuously renewed.
  • the hose then ran through a precipitation bath section of 3 m in length, whereby it was deflected halfway by a roller located at the bottom of the precipitation bath. It was then stretched so far that the flat width after leaving the spinning skid was 35 mm.
  • the hose then went through 4 washing runners with a total of 8 deflection rollers arranged at the top and bottom, a bath depth of 2.5 m each and an air gap of 0.5 m. At the end of the last runner, water was introduced, which flows in counterflow through the wash runners was led. In this way the NMMO content at the exit of the first runner was kept at 12 to 16%. The temperature was raised to 60 to 70 ° C in the last washing runners. Finally, the tube was passed through a plasticizer runner containing a 10% glycerol solution. The flat width of the hose was 25 mm when leaving the plasticizer runner.
  • the tube was then pre-dried horizontally in a jet dryer in a non-inflated state. Then it was dried between 2 pairs of squeeze rollers in the inflated state with hot air.
  • the dryer had multiple zones with the temperature decreasing from one zone to the next.
  • the zone at the entrance had a temperature of 120 ° C, that at the exit of 80 ° C.
  • the hose was then moistened again until its water content was 8 to 12% (based on the weight of the hose) and wound up. The moisture content was increased even further (to 16 to 18%) before the hose was catered for in sections.
  • the caterpillars were then on an automatic filling machine
  • Example 2 (Spinning mass produced with ground cellulose and additionally undissolved fibers) Example 1 was repeated, but this time 1.7 kg of surface-crosslinked cellulose fibers with an average length of 150 ⁇ m and a maximum length of less than 1 mm and 2.3 kg wheat bran ground and sieved to a grain size of less than 63 ⁇ m (TG: 92%) in 67.9 kg one
  • Example 2 60% NMMO solution were stirred in. A spinning mass was produced from this as described in Example 1 and processed into a seamless food casing. This casing was filled with sausage meat in the same way.
  • Example 3 (Spinning mass with ground and whipped cellulose) 3.9 kg of ground wheat bran and sieved to a grain size of less than 63 ⁇ m with a TG of 92% were stirred into 58.2 kg of a 70% strength aqueous NMMO solution. A pH of 11 was obtained by adding NaOH set. 0.33 kg of zein (TG: 90%) and 5.4 kg of ground wood pulp, which had been broken down in water and then adjusted to a TG of 50% with the aid of a vacuum press, were then added to the resulting suspension. An additional 12 g of propyl gallate were added as a stabilizer. The mash obtained became a continuous one
  • Kneader added. Water was then distilled off at a reduced pressure of about 25 mbar and a temperature of up to 99 ° C. The mash feed was adjusted so that the solution leaving the kneader had a refractive index n D of 1.4884 and a zero shear viscosity of 7,100 Pa s at 85 ° C. The dope was then processed into a food casing as described in Example 1.
  • a suspension of 34.0 kg of 75% aqueous NMMO with a pH of 1, 0.33 kg of zein, 5.4 kg of enzymatically pretreated pulp (TG: 50%) and 12 propyl gallate as a stabilizer was metered into a continuously working kneader , As described in Example 2, excess water was then withdrawn from the suspension in the kneader at reduced pressure and increasing temperature, and the suspension was thus converted into a spinning solution.
  • a suspension of 17.5 kg of NMMO monohydrate and 2.4 kg of finely ground chalk was metered into the solution leaving the kneader, the chalk being sieved to a particle size (cut-off size) of less than 63 ⁇ m.
  • the two substreams were mixed as much as possible in a dynamic mixer.
  • the spinning mass obtained had a refractive index n D of 1.4885 and a zero shear viscosity of
  • Example 5 (Spinning mass with ground cellulose) 3.9 kg of a crosslinked polyvinylpyrrolidone screened to an exclusion size of less than 63 ⁇ m with a TG of 92% were in 67.9 kg of a 60% aqueous NMMO solution with a pH from 11, 5 stirred. The suspension then became 0.33 kg zein (TG: 90%) and 2.87 kg ground (Particle size less than 3 mm) added wood pulp (sulfite pulp). An additional 12 g of propyl gallate was added as a stabilizer.
  • Spinning mass was then processed into a tubular film as described, which could be used as an edible sausage casing.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Artificial Filaments (AREA)
  • Processing Of Meat And Fish (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

L'invention concerne une masse de filage comprenant du N-méthylmorpholine-N-oxyde (NMMO) hydraté, de la cellulose dissoute dans celui-ci, cette cellulose ayant subi un prétraitement destiné à accroître sa solubilité, au moins une matière de charge organique et/ou inorganique insoluble dans le NMMO hydraté ou soluble dans celui-ci, mais non ou non totalement dissoute, ainsi qu'au moins un composant dissous dans la masse de filage, ce composant perturbant la structure de la cellulose précipitée lors de la régénération. Ce composant est de préférence une protéine, telle que la caséine ou la zéine. La matière de charge est de préférence du son finement broyé. De préférence, la masse de filage selon l'invention comprend également des fibres non dissoutes présentant une longueur comprise entre 50 ñm et 2 mm. Cette masse de filage peut servir à produire une enveloppe comestible ou consommable pour produits alimentaires, en particulier un boyau à saucisse.
PCT/EP2003/014028 2002-12-13 2003-12-11 Masse de filage destinee a la production d'enveloppes comestibles pour produits alimentaires WO2004054372A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003300520A AU2003300520A1 (en) 2002-12-13 2003-12-11 Spinning material for the production of edible food casings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10258679.9 2002-12-13
DE2002158679 DE10258679A1 (de) 2002-12-13 2002-12-13 Spinnmasse für die Herstellung von eßbaren Nahrungsmittelhüllen

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WO2004054372A2 true WO2004054372A2 (fr) 2004-07-01
WO2004054372A3 WO2004054372A3 (fr) 2004-10-28

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CN100447319C (zh) * 2006-06-08 2008-12-31 利芳建医药科技咨询(上海)有限公司 一种防治乳腺增生的药用蛋白质纤维及其制备和应用
CN103290508A (zh) * 2013-06-04 2013-09-11 浙江纺织服装职业技术学院 一种废旧棉纺织品再生纺丝液配方及湿法纺丝工艺
CN110886025A (zh) * 2019-12-17 2020-03-17 上海里奥纤维企业发展有限公司 一种溶剂法高湿模量蛋白纤维及其制备方法

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CN102696737B (zh) * 2012-07-10 2014-04-30 兰州亚成生物科技股份有限公司 可食玉米蛋白肠衣的制备方法
CN103668500B (zh) * 2013-11-29 2015-11-18 南通市通州区大达麻纺织有限公司 一种棉麻混纺工艺

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DE4439149A1 (de) * 1994-11-03 1996-05-09 Thueringisches Inst Textil Verfahren zur Herstellung einer homogenen Celluloselösung
WO1997031970A1 (fr) * 1996-03-01 1997-09-04 Kalle Nalo Gmbh & Co. Kg Enveloppes alimentaires a base de cellulose produites selon le procede par oxydes d'amine
DE19624867A1 (de) * 1996-05-30 1997-12-04 Fraunhofer Ges Forschung Verfahren zur Verbesserung der Löslichkeit von Cellulose in wasserhaltigem Aminoxid
US5744251A (en) * 1994-11-18 1998-04-28 Viskase Corporation Cellulosic composition and article
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AU2003300520A8 (en) 2004-07-09

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