WO2001042106A1 - Films enveloppants pour aliments - Google Patents

Films enveloppants pour aliments Download PDF

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Publication number
WO2001042106A1
WO2001042106A1 PCT/JP2000/008678 JP0008678W WO0142106A1 WO 2001042106 A1 WO2001042106 A1 WO 2001042106A1 JP 0008678 W JP0008678 W JP 0008678W WO 0142106 A1 WO0142106 A1 WO 0142106A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
smoked
film
food
smoke
Prior art date
Application number
PCT/JP2000/008678
Other languages
English (en)
Japanese (ja)
Inventor
Midori Matsunami
Hiroyuki Yabuta
Ichiro Arai
Original Assignee
Gunze Kobunshi Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gunze Kobunshi Corporation filed Critical Gunze Kobunshi Corporation
Publication of WO2001042106A1 publication Critical patent/WO2001042106A1/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

Definitions

  • the present invention relates to a casing film for food and a smoked food which has been used for packaging processed meat products such as ham and sausage and dairy products such as cheese and performing smoke treatment.
  • it is packaged with a dry sausage (Moryu Dela) that releases the water inside the ham and sausage appropriately without smoke treatment, a food packaging film used for dry ham, and a food packaging film.
  • Dried sausage (Moryu dela) about dry ham.
  • fiber brass casing and collagen casing have a large amount of weight loss due to excessive water vapor permeability, and a large oxygen permeability for a long period of time. Preservation may cause problems such as spoilage of the filling and generation of power, and the unpleasant odor of the casing. There are problems such as necessity.
  • polyamide films such as Polycapramid®polyhexamethylene adipamide, which is used as a synthetic plastic casing, have a certain smoke-treating effect under high humidity and have a tensile strength at break. It has advantages such as large size, high impact strength, good dimensional stability, and excellent oxygen barrier properties, and enables long-term storage of the contents. This is extremely small compared to that of the above, and is insufficient for a casing for smoking.
  • the present invention has been made to solve the above problems.
  • the present invention can be subjected to the same smoke treatment as the natural casing ⁇ fibrous casing, has good smoked aroma, smoked color, smoked flavor, and is appropriately permeable to water vapor.
  • An object of the present invention is to provide a heat-shrinkable casing film for smoking, which is impermeable to oxygen and has high strength, and a smoked food casing with the film.
  • the present invention is suitable for dry sausage and dry ham which is not required to be smoked, which is required to appropriately release the internal moisture, is suitably permeable to water vapor, and is suitable for oxygen.
  • An object of the present invention is to provide an impermeable food casing film, and a food product casingd with the film.
  • thermoplastic resin N-vinylacetamide
  • the present invention has been found to be able to obtain a casinda film for food which is impermeable to oxygen, can be smoke-treated at the same time, and can maintain good smoked aroma, smoked color, and smoked flavor. Things. Disclosure of the invention
  • the present invention is a casinda film for food, comprising a thermoplastic resin containing at least poly (N-vinylacetamide).
  • a thermoplastic resin containing at least poly (N-vinylacetamide).
  • a polyamide resin is preferable.
  • the weight ratio of the polyamide resin to the poly N-vinylacetamide is 50-99: 50-1 in weight ratio, and particularly preferably 80-99: 20-1 in weight ratio.
  • These casinda films for food can be used for smoked foods, and can be used for dry sausage (Moryu dela) and dried ham. Further, the present invention provides a food packaged using the food casing film.
  • the main smoke component of smoke consists of phenols, alcohols, organic acids and carbonyl compounds, and these compounds are said to have affinity for water. For this reason, in order for the smoke component to pass through the casing effectively, the casing has an affinity for water, is more plasticized by water, and has the property of easily permeating water and steam. Must have.
  • the moisture and water vapor transmission capacity of the casing is too large, the moisture in the filling in the casing will be released to the outside of the casing during a series of processes such as smoke treatment, conditioning, and cooling. As a result, the weight of the filling is reduced, causing wrinkles in the final packaged product, and further causing a problem of reducing the yield.
  • the present invention relates to a thermoplastic resin containing at least poly-N-vinylacetamide. It is a food casing film characterized by the following.
  • the film has an appropriate permeability to water vapor and is impermeable to oxygen, and at the same time, adsorbs and dissolves water containing smoked flavors and flavor components, and is used for smoke treatment. It is strong enough to withstand casing processing such as clipping, shearing, and filling of contents.
  • thermoplastic resin a polyamide resin is particularly preferable, and the mixing ratio of the polyamide resin to the poly N-bieracetoamide is 50 to 99: 50 to 1 by weight, and 80 to 9 9: A mixture in a ratio of 20 to 1 is preferable.
  • the casing film is preferably a single layer having a thickness of 5 to 90 m.
  • the casing film having such a configuration is appropriately permeable to water vapor and impermeable to oxygen. Then, by wrapping the contents with the film, the inside water can be appropriately released. In the smoking process, moisture containing smoked flavors and flavor components is adsorbed, dissolved and penetrated, and the final packaged product is not wrinkled without reducing the weight of the contents. Further, it has high tensile strength at break and high impact strength, and is excellent in dimensional stability and oxygen barrier properties.
  • the poly-N-biacetamide used in the present invention is a three-dimensional cross-linked polymer of N-vinylacetamide, which absorbs water up to about 1 to 50 times its own weight, and absorbs water. Can be released. And it shows stable water absorption even in salt solution of various concentrations, and shows stable water absorption even in a wide pH range.
  • the casing filling is moderately salted and the atmosphere of the smoke treatment can be acidic or alkaline depending on various treatment conditions. Therefore, the above-mentioned properties of poly N-vinylacetamide are important and essential in the present invention.
  • Polyacrylic acid salt-based water-absorbing agents whose water-absorbing performance is significantly reduced in an aqueous salt solution or in a neutral environment, are not suitable for smoking.
  • polyamide resin 6-nylon, 6-66 copolymer nylon, 11-nylon, 12-nylon, 6-12 copolymer nylon, and a mixture thereof can be suitably used.
  • the carcinda film for smoked foods of the present invention can be obtained by, for example, melt-extruding a mixture of a thermoplastic resin and poly (N-vinylacetamide), and biaxially stretching the mixture by about 1.5 to 3.5 times in each of length and width. it can.
  • This smoked food casing film is soft and soft to the touch.
  • casing film when it is subjected to a heat treatment, for example, when it is immersed in hot water at 95 ° C. for 30 seconds, it has the property of shrinking by 10 to 30% in both the vertical and horizontal directions. As a result, even after the smoked product has cooled, casing can provide a tightly packed, tightly packed final packaged product.
  • the tube-shaped casing is filled with food, and smoked by a usual method.
  • the smoke treatment temperature is from 20 to: L 00 ° C, preferably from 50 to 90.
  • This smoking treatment can be performed before, during or after the heat treatment in the presence of water or steam. Perform dry heat treatment at 60 to 85 before steam and smoke treatment, and spray and cool with cold water after steam and smoke treatment.
  • the temperature during the smoking and heat treatment is chosen to give the finished product a defined cooking degree and smoked aroma.
  • the smoked food casing obtained by the food casing film of the present invention maintains the weight of the filled food even after long-term storage, and is resistant to fungi such as mold. It does not cause shrinkage on packaged foods even after cooling. As a result, products with excellent fragrance and appearance can be obtained.
  • the smoked film for smoked foods of the present invention has the characteristics of being appropriately permeable to water vapor and impermeable to oxygen, and thus is simply filled without being smoked. It is also suitable for use as dry sausage (Mortadera), which releases the water content of the meat to the outside moderately, and as a key cinda film for dry ham. That is, the tube-shaped casing is filled with food, and dried by an ordinary method. The drying temperature is preferably 5 to 50 ° C.
  • Example 1 85:15 copolymer resin of nylon 6 and nylon 66 (density: 1.12, melting point: 198) 90% by weight and N-vinylacetamide three-dimensional cross-linking used in Example 1 A polymer that is blended with a polymer and 10% by weight.
  • a cylindrical film was molded and stretched three times vertically and horizontally to obtain a casing consisting of a cylindrical film having a folding width of 60 mm and a thickness of 30 / m.
  • the shrinkage of this casing when immersed in hot water of 95 ⁇ X 30 seconds was 20% length and 25% width.
  • Example 4 80% by weight of 85:15 copolymer resin of nylon 6 and nylon 66 (density 1.12, melting point 198 ° C) and 20% by weight of the N-vinylacetamide three-dimensional crosslinked polymer used in Example 1
  • a cylindrical film is molded through a melt extruder equipped with a circular die at the tip end, and then stretched three times vertically and horizontally to form a cylinder with a folding width of 60 mm and a thickness of 30 m.
  • a casing composed of a film was obtained.
  • the shrinkage ratio when immersed in hot water of 95t: x 30 seconds was 15% in length and 20% in width.
  • a blend of 95% by weight of nylon 6 resin (density 1.12, melting point 220 ° C) and 5% by weight of the N-vinylacetamide three-dimensional cross-linked polymer used in Example 1 was used.
  • a cylindrical film was molded through a melt extruder equipped with a circular mold and stretched three times vertically and horizontally to obtain a casing consisting of a cylindrical film with a folding width of 60 mm and a thickness of 30 m. .
  • the shrinkage of this casing when immersed in hot water at 95 ° C for 30 seconds was 15% in length and 20% in width.
  • Example 1 85:15 copolymer resin of nylon 6 and nylon 66 (density 12, melting point 198 ° C) 50% by weight and N-vinylacetamide three-dimensional cross-linking used in Example 1
  • a polymer blended with 50% by weight of a polymer is passed through a melt extruder equipped with a circular mold at the tip end to form a cylindrical film, stretched 2.5 times vertically and horizontally, and a folding width of 6 Omm
  • a casing consisting of a cylindrical film having a thickness of 30 / m was obtained. The shrinkage of this casing when immersed in hot water at 95 ° C for 30 seconds was 15% in height and 15% in width.
  • Nylon 6 resin (density 12, melting point 220 ° C) is passed through a melt extruder equipped with a circular mold at the outlet of the tip to form a cylindrical film, stretched three times vertically and horizontally, and folded 60 mm thick. 30 A casing consisting of LUM was obtained. In this case, the shrinkage when immersed in hot water at 95 ° C for 30 seconds was 15% in length and 15% in width.
  • a mixture of 70% by weight of minced pork, 20% by weight of water, 7% by weight of starch and 3% by weight of sodium chloride, cut into small pieces and processed into a paste was used as a raw material in Examples 1-4 and Comparative Examples 1-2.
  • the sings were filled with 300 g each, sealed with clips, and smoked by the following method.
  • a mixture of 70% by weight of minced pork, 20% by weight of water, 7% by weight of starch and 3% by weight of sodium chloride, finely cut and processed into a paste-like material was added to a casing of Example 5 to obtain 300 g. Each was filled, sealed with a clip, and dried by the following method.
  • Comparative Example 1 10 10 10 10 2.5 mm
  • the depth of smoked SKIN means the thickness at which smoke has penetrated from the surface of smoked sausage into the inside and turned into a smoked color (brown).
  • Example 14 As shown in Table 1, the casing of Example 14 exhibited almost the same smoking effect as Comparative Example 1 which was practically used as a conventional casing for smoking, but the casing of Comparative Example 2 consisting of polyamide alone was used. One Sing had an insufficient smoke effect.
  • Example 14 Comparative Example 1, Comparative Example 2
  • Table 2 shows the oxygen permeation amount, water vapor permeation amount, and weight loss of the contents after two months of the drying treatment.
  • the thickness of the film is not particularly limited, and can be arbitrarily selected. Industrial applicability
  • the present invention is a food casing film obtained from a thermoplastic resin containing at least poly N-vinylacetamide.
  • the casing film is moderately permeable to water vapor and impermeable to oxygen. In addition, it has the feature that it can be smoked and retains smoked incense, smoked color and smoked flavor.
  • This casing film can be widely used for food casings such as smoked foods, dry ham, and dry sage.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Processing Of Meat And Fish (AREA)

Abstract

L'invention se rapporte à des films enveloppants pour aliments qui possèdent une perméabilité à la vapeur d'eau appropriée et une imperméabilité à l'oxygène, qui peuvent être fumés et peuvent conserver une odeur de produit fumé, une couleur de produit fumé et un goût de produit fumé. Ces films peuvent être utilisés non seulement pour des aliments fumés mais également pour des saucisses sèches non fumées, du jambon sec non fumé, etc. Ces films peuvent être produits à partir de résines thermoplastiques qui contiennent au moins du poly-N-vinylacétamide. Des polyamides peuvent être avantageusement utilisés en tant que résines thermoplastiques.
PCT/JP2000/008678 1999-12-10 2000-12-07 Films enveloppants pour aliments WO2001042106A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35097499 1999-12-10
JP11-350974 1999-12-10

Publications (1)

Publication Number Publication Date
WO2001042106A1 true WO2001042106A1 (fr) 2001-06-14

Family

ID=18414190

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/008678 WO2001042106A1 (fr) 1999-12-10 2000-12-07 Films enveloppants pour aliments

Country Status (1)

Country Link
WO (1) WO2001042106A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06184386A (ja) * 1992-12-16 1994-07-05 Showa Denko Kk 水溶性熱可塑性フィルムおよびその用途
JPH10195211A (ja) * 1996-12-27 1998-07-28 Kureha Chem Ind Co Ltd 包装用フィルムまたはシート
JP2000313723A (ja) * 1999-04-28 2000-11-14 Showa Denko Kk 吸水性樹脂組成物延伸体及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06184386A (ja) * 1992-12-16 1994-07-05 Showa Denko Kk 水溶性熱可塑性フィルムおよびその用途
JPH10195211A (ja) * 1996-12-27 1998-07-28 Kureha Chem Ind Co Ltd 包装用フィルムまたはシート
JP2000313723A (ja) * 1999-04-28 2000-11-14 Showa Denko Kk 吸水性樹脂組成物延伸体及びその製造方法

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