WO2019082588A1 - Bird carcass weight controlling method - Google Patents
Bird carcass weight controlling methodInfo
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- WO2019082588A1 WO2019082588A1 PCT/JP2018/035979 JP2018035979W WO2019082588A1 WO 2019082588 A1 WO2019082588 A1 WO 2019082588A1 JP 2018035979 W JP2018035979 W JP 2018035979W WO 2019082588 A1 WO2019082588 A1 WO 2019082588A1
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- carcass
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L13/00—Meat products; Meat meal; Preparation or treatment thereof
Definitions
- the holding time of bird carcasses in peracetic acid solution is 25 minutes to 3 hours, but small to medium sized birds such as chicken meat, minced meat and duck meat having a weight of 500 g or more and less than 2 kg.
- 25 minutes to 1 hour is preferable, and 25 minutes to 45 minutes is more preferable.
- a deposition holding time of 1 hour to 3 hours, preferably 2 hours to 3 hours is preferable. This gives the desired weight control effect.
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- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
There is a demand for controlling a carcass weight, which inevitably decreases in the process of processing a bird carcass such as chicken meat, to maintain a state that is close to a pre-processing carcass weight, and achieving a normal state in a transaction in the original commercial process. The present invention provides a bird carcass weight controlling method characterized in that a bird carcass is placed and held, at 5ºC or lower, in an aqueous solution in which the pH thereof is made greater than 9 and equal to or less than 10 by adding an alkaline substance to a 1-to-200-ppm peracetic-acid solution at equilibrium and that comprises glacial acetic acid and hydrogen peroxide, and whereby, the weight of the carcass is controlled.
Description
本発明は、鳥類の屠体重量制御方法に関する。
本願は、２０１７年１０月２６日に、日本に出願された特願２０１７－２１８６２４号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to a method for controlling carcass weight of birds.
Priority is claimed on Japanese Patent Application No. 2017-218624, filed Oct. 26, 2017, the content of which is incorporated herein by reference.
本願は、２０１７年１０月２６日に、日本に出願された特願２０１７－２１８６２４号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to a method for controlling carcass weight of birds.
Priority is claimed on Japanese Patent Application No. 2017-218624, filed Oct. 26, 2017, the content of which is incorporated herein by reference.
鶏肉等の鳥類の屠体の加工の過程で失われる重量はかなりであり、これは屠体からの水分の放出が原因していると考えられる。そのため、経済的にその商品価値が減殺されている。このため、失われた水分の回復が必要とされてきた。基本的には濃度差を使った浸透法の利用によって元に戻す方法が考えられたが、短時間で行なえる効果的な方法ではない。
The weight lost during processing of carcasses of birds such as chicken and the like is considerable, which is believed to be due to the release of water from the carcass. Therefore, the commodity value is economically reduced. For this reason, recovery of lost water has been required. Basically, although the method of restoring by the use of the permeation method using concentration difference was considered, it is not an effective method which can be performed in a short time.
特許文献１には、過酢酸を用いた浸漬除菌液のｐＨを４．５～９に制御することで、浸漬除菌前の鶏肉を本来の重量に近い状態に戻すことが報告されている。
Patent Document 1 reports that the chicken meat before immersion sterilization is returned to a state close to the original weight by controlling the pH of the immersion sterilization solution using peracetic acid to 4.5 to 9. .
鶏肉等の鳥類の屠体の加工の過程で必然的に減少する屠体重量を、処理前の鶏肉等の鳥類の屠体重量に近い状態に制御することによって、本来の商業過程での取引を正常な状態にすることが求められている。すなわち、取引上で金銭的な損失を発生させないことが望まれる。
By controlling the carcass weight which is inevitably reduced in the process of processing the carcass of birds such as chicken and the like to the carcass weight of birds such as chicken and the like before processing, it is possible to carry out the original commercial transaction. It is required to be in a normal state. That is, it is desirable not to cause a financial loss on the transaction.
特許文献１の方法ではその効果は一定ではなく条件によってその効果が変わり安定していない。また、鶏肉等の重量を沈積前の重量の５．５％以上まで重量を回復させることはできない。
In the method of Patent Document 1, the effect is not constant, and the effect changes depending on conditions and is not stable. In addition, it is impossible to restore the weight of chicken etc. to 5.5% or more of the weight before sedimentation.
そこで、本発明は、一定の条件を選択することにより、鶏肉等の鳥類の屠体の加工の過程で減少する屠体重量を、加工前の屠体重量に近い状態に制御することができ、且つ、処理前の鳥類の屠体重量の５．５％以上まで屠体重量を回復させる方法を提供することを目的とする。
Therefore, by selecting certain conditions, the present invention can control the carcass weight, which decreases in the process of processing carcasses of birds such as chickens, to a state close to the carcass weight before processing. And, it is an object of the present invention to provide a method for restoring carcass weight to 5.5% or more of bird carcass weight before treatment.
発明者らは、氷酢酸と過酸化水素からなる平衡状態の過酢酸溶液に、ｐＨが９より大きく１０以下とした水溶液中に、一定時間鳥類の屠体を沈積保持することにより、前記屠体の重量を安定して制御し、沈積保持前の鳥類の屠体重量の５．５％以上まで重量を回復できることを見出し、本発明を完成させた。
すなわち、本発明は、下記の特徴を有する鳥類の屠体重量制御方法を提供するものである。
［１］氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で鳥類の屠体を沈積保持して、前記屠体の重量を制御することを特徴とする鳥類の屠体重量制御方法。
［２］鳥類の屠体を洗浄殺菌する殺菌工程と、
氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で前記鳥類の屠体を沈積保持して、前記屠体の重量を制御する重量制御工程と、
からなる鳥類の屠体重量制御方法。
［３］前記沈積保持が、１℃以上５℃以下で２５分間から３時間である［１］または［２］に記載の方法。
［４］さらに、温度を０．５℃以上２℃未満とした前記水溶液中で、鳥類の屠体温度が０．５℃～１．０℃になるまで沈積保持する［３］に記載の方法。
［５］前記アルカリが、水酸化ナトリウムまたは水酸化カリウムである［１］～［４］のいずれか一項に記載の方法。
［６］前記鳥類の屠体が、鶏肉、鴨肉、七面鳥の肉、またはアヒルの肉である［１］～［５］のいずれか一項に記載の方法。 The inventors deposited the carcass of the bird in an aqueous solution of pH> 9 and 10 or less in an equilibrated peracetic acid solution consisting of glacial acetic acid and hydrogen peroxide for a certain period of time, said carcass. It has been found that the present invention can stably control its weight and recover its weight up to 5.5% or more of the weight of the carcass of the birds before sedimentation.
That is, the present invention provides a method for controlling carcass weight of birds having the following features.
[1] A carcass of birds at 5 ° C. or less in an aqueous solution in which an alkali is added to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide to have a pH of more than 9 and 10 or less. Depositing and holding to control the weight of the carcass.
[2] a sterilizing process for washing and sterilizing a carcass of birds;
Deposit the carcass of the birds at 5 ° C. or less in an aqueous solution in which the pH is greater than 9 and less than 10 by adding an alkali to an equilibrated solution of 1 to 200 ppm of peracetic acid consisting of glacial acetic acid and hydrogen peroxide A weight control step of holding and controlling the weight of the carcass;
Method for controlling carcass weight of birds consisting of
[3] The method according to [1] or [2], wherein the deposition retention is 25 minutes to 3 hours at 1 ° C. or more and 5 ° C. or less.
[4] Furthermore, the method according to [3], wherein the precipitation is maintained until the carcass temperature of birds reaches 0.5 ° C. to 1.0 ° C. in the aqueous solution at a temperature of 0.5 ° C. or more and less than 2 ° C. .
[5] The method according to any one of [1] to [4], wherein the alkali is sodium hydroxide or potassium hydroxide.
[6] The method according to any one of [1] to [5], wherein the carcass of the birds is chicken, minced meat, turkey meat, or duck meat.
すなわち、本発明は、下記の特徴を有する鳥類の屠体重量制御方法を提供するものである。
［１］氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で鳥類の屠体を沈積保持して、前記屠体の重量を制御することを特徴とする鳥類の屠体重量制御方法。
［２］鳥類の屠体を洗浄殺菌する殺菌工程と、
氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で前記鳥類の屠体を沈積保持して、前記屠体の重量を制御する重量制御工程と、
からなる鳥類の屠体重量制御方法。
［３］前記沈積保持が、１℃以上５℃以下で２５分間から３時間である［１］または［２］に記載の方法。
［４］さらに、温度を０．５℃以上２℃未満とした前記水溶液中で、鳥類の屠体温度が０．５℃～１．０℃になるまで沈積保持する［３］に記載の方法。
［５］前記アルカリが、水酸化ナトリウムまたは水酸化カリウムである［１］～［４］のいずれか一項に記載の方法。
［６］前記鳥類の屠体が、鶏肉、鴨肉、七面鳥の肉、またはアヒルの肉である［１］～［５］のいずれか一項に記載の方法。 The inventors deposited the carcass of the bird in an aqueous solution of pH> 9 and 10 or less in an equilibrated peracetic acid solution consisting of glacial acetic acid and hydrogen peroxide for a certain period of time, said carcass. It has been found that the present invention can stably control its weight and recover its weight up to 5.5% or more of the weight of the carcass of the birds before sedimentation.
That is, the present invention provides a method for controlling carcass weight of birds having the following features.
[1] A carcass of birds at 5 ° C. or less in an aqueous solution in which an alkali is added to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide to have a pH of more than 9 and 10 or less. Depositing and holding to control the weight of the carcass.
[2] a sterilizing process for washing and sterilizing a carcass of birds;
Deposit the carcass of the birds at 5 ° C. or less in an aqueous solution in which the pH is greater than 9 and less than 10 by adding an alkali to an equilibrated solution of 1 to 200 ppm of peracetic acid consisting of glacial acetic acid and hydrogen peroxide A weight control step of holding and controlling the weight of the carcass;
Method for controlling carcass weight of birds consisting of
[3] The method according to [1] or [2], wherein the deposition retention is 25 minutes to 3 hours at 1 ° C. or more and 5 ° C. or less.
[4] Furthermore, the method according to [3], wherein the precipitation is maintained until the carcass temperature of birds reaches 0.5 ° C. to 1.0 ° C. in the aqueous solution at a temperature of 0.5 ° C. or more and less than 2 ° C. .
[5] The method according to any one of [1] to [4], wherein the alkali is sodium hydroxide or potassium hydroxide.
[6] The method according to any one of [1] to [5], wherein the carcass of the birds is chicken, minced meat, turkey meat, or duck meat.
本発明によれば、鳥類の屠体の加工過程で減少する屠体重量を加工前の屠体重量に近い状態に制御することができ、屠体重量が処理前の重量の５．５％以上まで回復する鳥類の屠体重量制御方法が提供される。
According to the present invention, it is possible to control the carcass weight which decreases during processing of the carcass of birds to a state close to the carcass weight before processing, and the carcass weight is at least 5.5% of the weight before the treatment A method of carcass weight control for birds that recovers to
本発明の鳥類の屠体重量制御方法は、氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で鳥類の屠体を沈積保持して、前記屠体の重量を制御することを特徴とする。
The method of the present invention for controlling carcass weight of birds comprises adding an alkali to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide in an aqueous solution having a pH of more than 9 and 10 or less. And holding the bird carcasses at a temperature of 5 ° C. or less to control the weight of the carcass.
過酢酸の製造方法の一つに、過酸化水素とトリアセチンを混合することによって起こる非可逆的な反応で製造する方法がある。この場合には逆反応は起こらないので、過酢酸は安定に存在する。
One of the methods of producing peracetic acid is a method of producing by an irreversible reaction caused by mixing hydrogen peroxide and triacetin. Peracetic acid is present stably, since no reverse reaction occurs in this case.
過酸化水素とトリアセチンから製造される場合は仕込みの濃度にも依存するが、最終的な状態ではそのｐＨは２～３である。これをｐＨを９より大きく、１０以下とするためにアルカリ金属またはアルカリ土類金属の水酸化物のアルカリ成分を添加する。代表的には水酸化ナトリウム、水酸化カリウムなどを用いる。
When prepared from hydrogen peroxide and triacetin, it also depends on the concentration of the feed, but in the final state, its pH is 2-3. The alkali component of the hydroxide of an alkali metal or alkaline earth metal is added to bring the pH to more than 9 and 10 or less. Typically, sodium hydroxide, potassium hydroxide or the like is used.
この場合には過酢酸は安定に存在するので比較的長時間状態が保たれるので、作業は時間を気にしないで進められる。
In this case, since peracetic acid is stably present, it can be maintained for a relatively long time, so the operation can proceed without worrying about time.
しかしながら、非可逆的な反応で製造した過酢酸を用いた場合は、過酢酸が屠体重量の制御のために使用されるにしたがって、その量が減少するため、過酢酸の屠体重量の制御における効果が時間の経過に伴い減弱してしまうという問題がある。
However, when using peracetic acid produced in a nonreversible reaction, the amount of peracetic acid decreases as it is used to control carcass weight, so control of peracetic acid carcass weight There is a problem that the effect at the end of the problem diminishes with the passage of time.
これに対して、過酸化水素と氷酢酸を混合することによって合成製造される過酢酸は平衡反応によっているので、逆反応の分解反応も存在する。しかし、この合成反応は飽和点に達するまで、すなわち平衡状態に達するまでの時間は１週間程度であり、従って分解されずに過酢酸状態でいる保持時間はかなり長いと考えて良い。
On the other hand, since peracetic acid synthesized and produced by mixing hydrogen peroxide and glacial acetic acid is in equilibrium, there is also a reverse decomposition reaction. However, this synthetic reaction takes about one week to reach the saturation point, that is, to reach the equilibrium state, so it can be considered that the retention time in the peracetic acid state without decomposition is quite long.
一方、過酸化水素と氷酢酸を混合することによって製造される過酢酸は平衡反応によっているので、前記の過酸化水素とトリアセチンとから製造される過酢酸とは異なり、同様にアルカリ金属またはアルカリ土類金属の水酸化物のアルカリ成分で、代表的には水酸化ナトリウム、水酸化カリウムの添加によってｐＨを９より大きく、１０以下となるようにｐＨ調整を行う。
On the other hand, since peracetic acid produced by mixing hydrogen peroxide and glacial acetic acid is in an equilibrium reaction, unlike the above-mentioned peracetic acid produced from hydrogen peroxide and triacetin, alkali metals or alkaline earths are also produced similarly. The pH adjustment is carried out so that the pH is greater than 9 and less than or equal to 10, typically by the addition of sodium hydroxide or potassium hydroxide.
ここで、過酸化水素と氷酢酸を混合することによって製造される過酢酸を用いた場合は、前記の過酸化水素とトリアセチンとから非可逆的な反応により製造される過酢酸を用いた場合とは異なり、過酢酸が本発明の重量制御方法に使用されても、平衡反応により、過酸化水素と氷酢酸が反応し、過酢酸の量が維持されるため、本発明の重量制御方法における過酢酸の効果を長期に維持することができる。
Here, in the case of using peracetic acid produced by mixing hydrogen peroxide and glacial acetic acid, the case of using peracetic acid produced by the above-mentioned irreversible reaction from hydrogen peroxide and triacetin is used. Even though peracetic acid is used in the weight control method of the present invention, hydrogen peroxide and glacial acetic acid are reacted by the equilibrium reaction, and the amount of peracetic acid is maintained. The effect of acetic acid can be maintained for a long time.
また、過酸化水素と氷酢酸を混合して製造される過酢酸は、過酸化水素と酢酸を混合して製造される過酢酸と比較して、反応性に優れるため、過酢酸ができやすく、本発明の重量制御効果を向上させることができる。
Also, peracetic acid produced by mixing hydrogen peroxide and glacial acetic acid is more reactive than peracetic acid produced by mixing hydrogen peroxide and acetic acid, so peracetic acid is easily formed. The weight control effect of the present invention can be improved.
もちろん、対象とする屠体は十分に洗浄殺菌され、雑菌の付着はないのは当然で、糞尿などの付着もない状態での作業になるため、本発明の重量制御方法においては、屠体を洗浄殺菌する殺菌工程があることが好ましい。
すなわち、本発明の鳥類の屠体重量制御方法は、鳥類の屠体を洗浄殺菌する殺菌工程と、氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で前記鳥類の屠体を沈積保持して、前記屠体の重量を制御する重量制御工程と、からなっていてもよい。 Of course, since the target carcass is sufficiently cleaned and disinfected, and it is natural that there is no adhesion of bacteria and it becomes a work in a state without adhesion of manure etc., the weight control method of the present invention It is preferred that there is a sterilization process to wash and sterilize.
That is, the method for controlling the carcass weight of birds according to the present invention comprises adding an alkali to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide, and a sterilization step of washing and sterilizing the carcass of the birds. And the weight control step of controlling the weight of the carcass by depositing and holding the carcass of the bird at 5 ° C. or less in an aqueous solution having a pH of more than 9 and 10 or less.
すなわち、本発明の鳥類の屠体重量制御方法は、鳥類の屠体を洗浄殺菌する殺菌工程と、氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で前記鳥類の屠体を沈積保持して、前記屠体の重量を制御する重量制御工程と、からなっていてもよい。 Of course, since the target carcass is sufficiently cleaned and disinfected, and it is natural that there is no adhesion of bacteria and it becomes a work in a state without adhesion of manure etc., the weight control method of the present invention It is preferred that there is a sterilization process to wash and sterilize.
That is, the method for controlling the carcass weight of birds according to the present invention comprises adding an alkali to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide, and a sterilization step of washing and sterilizing the carcass of the birds. And the weight control step of controlling the weight of the carcass by depositing and holding the carcass of the bird at 5 ° C. or less in an aqueous solution having a pH of more than 9 and 10 or less.
また、本発明において、過酢酸の濃度は１～２００ｐｐｍであり、１～１５０ｐｐｍが好ましく、１～１００ｐｐｍがより好ましい。なお、かなり長時間過酢酸溶液に沈漬するので、前記の殺菌処理が不完全であっても完全な殺菌ができることになる。
In the present invention, the concentration of peracetic acid is 1 to 200 ppm, preferably 1 to 150 ppm, and more preferably 1 to 100 ppm. In addition, since it is immersed in the peracetic acid solution for a considerably long time, even if the above-mentioned sterilization treatment is incomplete, complete sterilization can be performed.
鳥類の屠体の過酢酸溶液への沈漬保持時間は、２５分間～３時間であるが、鶏肉、鴨肉、アヒルの肉のような屠体重量が５００ｇ以上２ｋｇ未満の小型～中型の鳥類の屠体の場合は、２５分間～１時間が好ましく、２５分間～４５分間がより好ましい。また、七面鳥のように屠体重量が２ｋｇ以上の大型の鳥類の屠体の場合には1時間～３時間、好ましくは２時間～３時間の沈積保持時間が好ましい。このことによって所望の重量制御効果が得られる。
The holding time of bird carcasses in peracetic acid solution is 25 minutes to 3 hours, but small to medium sized birds such as chicken meat, minced meat and duck meat having a weight of 500 g or more and less than 2 kg. In the case of carcasses, 25 minutes to 1 hour is preferable, and 25 minutes to 45 minutes is more preferable. In addition, in the case of carcasses of large birds having a carcass weight of 2 kg or more, such as turkeys, a deposition holding time of 1 hour to 3 hours, preferably 2 hours to 3 hours is preferable. This gives the desired weight control effect.
本発明の方法によれば、ｐＨが９より大きく１０以下であるので、鳥類の屠体重量制御効果が安定し、処理前の鳥類の屠体重量に対し、屠体重量が平均５．５％の増量に達する。この増量分が屠体加工処理中の水分の放出量に相当するので、本発明の方法により、屠体重量を、屠体加工処理前の屠体の重量に近い状態に制御できることが分かる。
According to the method of the present invention, since the pH is greater than 9 and 10 or less, the carcass weight control effect of the birds is stabilized, and the average carcass weight is 5.5% of the carcass weight of the birds before treatment. Reaching an increase in It can be seen that the weight of the carcass can be controlled by the method of the present invention to be close to the weight of the carcass prior to carcass processing, as this increase corresponds to the release of water during carcass processing.
この処理を行なう場合、過酢酸水溶液の液温としては５℃以下、好ましくは、１℃以上５℃以下、より好ましくは、１℃以上３℃以下にする必要がある。上記上限値を超えて温度が上がった場合には重量の制御が不十分となる可能性がある。
When this treatment is carried out, the liquid temperature of the peracetic acid aqueous solution needs to be 5 ° C. or less, preferably 1 ° C. or more and 5 ° C. or less, more preferably 1 ° C. or more and 3 ° C. or less. If the temperature rises above the above upper limit, weight control may be insufficient.
本発明の鳥類の屠体重量制御方法は、前記鳥類の屠体を、前記水溶液に、１℃以上５℃以下で２５分間から３時間沈積保持（一次加工）した後、さらに温度を０．５℃以上２℃未満とした前記水溶液中で、前記水溶液中で、鳥の屠体温度が０．５℃～１．０℃になるまで沈積保持（二次加工）することが好ましい。この二次加工により、さらに、安定して鳥類の屠体重量を制御することができる。また、最終的な鳥類の屠体の温度管理も容易となる。
The method for controlling carcass weight of birds according to the present invention comprises depositing and holding (primary processing) the carcass of the birds in the aqueous solution for 25 minutes to 3 hours at 1 ° C. or more and 5 ° C. or less for 25 minutes. In the aqueous solution at a temperature of not less than 2 ° C. and not more than 2 ° C., it is preferable to carry out sedimentation (secondary processing) until the carcass temperature of the bird reaches 0.5 ° C. to 1.0 ° C. in the aqueous solution. This secondary processing can further stably control the carcass weight of birds. It also facilitates temperature management of the final bird carcasses.
以下、具体的実施例により、本発明についてより詳細に説明する。ただし、本発明は、以下に示す実施例に、何ら限定されるものではない。
Hereinafter, the present invention will be described in more detail by way of specific examples. However, the present invention is not limited at all to the examples shown below.
［実施例１］
氷酢酸と過酸化水素の平衡反応によって作製された過酢酸溶液を、過酢酸濃度として１００ｐｐｍの過酢酸水溶液に水酸化ナトリウムでｐＨを９．５とした過酢酸水溶液に、鶏肉を５℃で沈積保持した。沈積時間と鶏肉の重量増加量の時間変化を図５に示す。沈漬時間の経過に伴って鶏肉の重量が増加することが分かり、またこの場合には３０分間で沈積保持前の重量の５．５％重量が増加したことが分かった。この例では過酢酸が１００ｐｐｍの濃度の場合であるが、同様に１ｐｐｍの場合、３５分間でほぼ同量の増量が観測された。更に２００ｐｐｍの場合には２５分間で同量の増量が観測された。なお、過酢酸濃度として１～２００ｐｐｍの間で変化させてもほぼ同量の増量が観測され、またｐＨについても９より大きく１０以下の範囲内でほぼ同量の増量が観測され、極めて安定的に増量が実現することが分かった。このことから、本発明の鳥類の屠体重量制御方法は、前記屠体の重量を安定して制御できることが確認された。 Example 1
The peracetic acid solution prepared by the equilibrium reaction of glacial acetic acid and hydrogen peroxide is deposited at a temperature of 5 ° C. in an aqueous peracetic acid solution in which the pH is adjusted to 9.5 with sodium hydroxide in a peracetic acid aqueous solution of 100 ppm. I kept it. The time change of the settling time and the increase in weight of the chicken is shown in FIG. It was found that the weight of the chicken increased with the lapse of the soaking time, and in this case, it was found that the weight of 5.5% of the weight before holding the deposit increased in 30 minutes. In this example, the peracetic acid concentration is 100 ppm, but in the case of 1 ppm, almost the same increase in amount was observed in 35 minutes. In the case of 200 ppm, an increase in the same amount was observed in 25 minutes. Even if the peracetic acid concentration is changed between 1 and 200 ppm, almost the same increase in amount is observed, and also about the same amount increase in the range of greater than 9 and 10 or less, the pH is extremely stable It turned out that an increase is realized. From this, it was confirmed that the method for controlling carcass weight of birds of the present invention can stably control the weight of the carcass.
氷酢酸と過酸化水素の平衡反応によって作製された過酢酸溶液を、過酢酸濃度として１００ｐｐｍの過酢酸水溶液に水酸化ナトリウムでｐＨを９．５とした過酢酸水溶液に、鶏肉を５℃で沈積保持した。沈積時間と鶏肉の重量増加量の時間変化を図５に示す。沈漬時間の経過に伴って鶏肉の重量が増加することが分かり、またこの場合には３０分間で沈積保持前の重量の５．５％重量が増加したことが分かった。この例では過酢酸が１００ｐｐｍの濃度の場合であるが、同様に１ｐｐｍの場合、３５分間でほぼ同量の増量が観測された。更に２００ｐｐｍの場合には２５分間で同量の増量が観測された。なお、過酢酸濃度として１～２００ｐｐｍの間で変化させてもほぼ同量の増量が観測され、またｐＨについても９より大きく１０以下の範囲内でほぼ同量の増量が観測され、極めて安定的に増量が実現することが分かった。このことから、本発明の鳥類の屠体重量制御方法は、前記屠体の重量を安定して制御できることが確認された。 Example 1
The peracetic acid solution prepared by the equilibrium reaction of glacial acetic acid and hydrogen peroxide is deposited at a temperature of 5 ° C. in an aqueous peracetic acid solution in which the pH is adjusted to 9.5 with sodium hydroxide in a peracetic acid aqueous solution of 100 ppm. I kept it. The time change of the settling time and the increase in weight of the chicken is shown in FIG. It was found that the weight of the chicken increased with the lapse of the soaking time, and in this case, it was found that the weight of 5.5% of the weight before holding the deposit increased in 30 minutes. In this example, the peracetic acid concentration is 100 ppm, but in the case of 1 ppm, almost the same increase in amount was observed in 35 minutes. In the case of 200 ppm, an increase in the same amount was observed in 25 minutes. Even if the peracetic acid concentration is changed between 1 and 200 ppm, almost the same increase in amount is observed, and also about the same amount increase in the range of greater than 9 and 10 or less, the pH is extremely stable It turned out that an increase is realized. From this, it was confirmed that the method for controlling carcass weight of birds of the present invention can stably control the weight of the carcass.
［比較例１］
トリアセチンと過酸化水素の非平衡法で作製された過酢酸溶液を、過酢酸濃度として９０ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。結果を図１に示す。ｐＨ６の時は平均２．９％、ｐＨが９の時は平均４．９％まで重量が回復することが観測された。 Comparative Example 1
A peracetic acid solution prepared by a non-equilibrium method of triacetin and hydrogen peroxide was adjusted to 90 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 2.9% atpH 6 and to an average of 4.9% at pH 9.
トリアセチンと過酸化水素の非平衡法で作製された過酢酸溶液を、過酢酸濃度として９０ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。結果を図１に示す。ｐＨ６の時は平均２．９％、ｐＨが９の時は平均４．９％まで重量が回復することが観測された。 Comparative Example 1
A peracetic acid solution prepared by a non-equilibrium method of triacetin and hydrogen peroxide was adjusted to 90 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 2.9% at
［比較例２］
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図２に示す。ｐＨ４．８で平均３％、ｐＨ６で平均３．７％，ｐＨ９で平均４．８％まで重量が回復すること観測された。 Comparative Example 2
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 1 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 3% at pH 4.8, an average of 3.7% atpH 6, and an average of 4.8% at pH 9.
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図２に示す。ｐＨ４．８で平均３％、ｐＨ６で平均３．７％，ｐＨ９で平均４．８％まで重量が回復すること観測された。 Comparative Example 2
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 1 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 3% at pH 4.8, an average of 3.7% at
［比較例３］
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として９９ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図３に示す。ｐＨ４．７で平均４．２％、ｐＨ６では平均４％、ｐＨ９では平均５．４％まで重量が回復することが観測された。 Comparative Example 3
The peracetic acid solution prepared by the equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 99 ppm as a peracetic acid concentration, and the chicken was allowed to settle for 45 minutes in this peracetic acid aqueous solution. The results are shown in FIG. It was observed that the weight was restored to an average of 4.2% at pH 4.7, an average of 4% atpH 6, and an average of 5.4% at pH 9.
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として９９ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図３に示す。ｐＨ４．７で平均４．２％、ｐＨ６では平均４％、ｐＨ９では平均５．４％まで重量が回復することが観測された。 Comparative Example 3
The peracetic acid solution prepared by the equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 99 ppm as a peracetic acid concentration, and the chicken was allowed to settle for 45 minutes in this peracetic acid aqueous solution. The results are shown in FIG. It was observed that the weight was restored to an average of 4.2% at pH 4.7, an average of 4% at
［比較例４］
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図４に示す。ｐＨ４．９で平均２．５％、ｐＨ６では平均４．２％、ｐＨ９では平均５．１％まで重量が回復することが観測された。 Comparative Example 4
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 1 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 2.5% at pH 4.9, an average of 4.2% atpH 6, and an average of 5.1% at pH 9.
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に鶏肉を４５分間沈積保持した。その結果を図４に示す。ｐＨ４．９で平均２．５％、ｐＨ６では平均４．２％、ｐＨ９では平均５．１％まで重量が回復することが観測された。 Comparative Example 4
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to 1 ppm as a peracetic acid concentration, and chicken meat was kept in this aqueous peracetic acid solution for 45 minutes. The results are shown in FIG. It was observed that the weight was restored to an average of 2.5% at pH 4.9, an average of 4.2% at
［比較例５］
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に七面鳥の肉を３時間沈積保持した。七面鳥の肉の平均増加重量は、ｐＨを６とした場合に平均３．６％であった。 Comparative Example 5
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to a peracetic acid concentration of 1 ppm, and turkey meat was deposited and held in this peracetic acid aqueous solution for 3 hours. The average increase in weight of turkey meat was 3.6% at a pH of 6.
氷酢酸と過酸化水素の平衡法で作製された過酢酸溶液を、過酢酸濃度として１ｐｐｍに調整し、この過酢酸水溶液に七面鳥の肉を３時間沈積保持した。七面鳥の肉の平均増加重量は、ｐＨを６とした場合に平均３．６％であった。 Comparative Example 5
A peracetic acid solution prepared by an equilibration method of glacial acetic acid and hydrogen peroxide was adjusted to a peracetic acid concentration of 1 ppm, and turkey meat was deposited and held in this peracetic acid aqueous solution for 3 hours. The average increase in weight of turkey meat was 3.6% at a pH of 6.
比較例１～５の結果から、鶏肉の重量は、過酢酸濃度に関係なく、過酢酸水溶液のｐＨが４～９ではｐＨに依存して増加する傾向が認められたが、その効果は過酢酸濃度により安定しておらず、また、重量の回復は最大で沈積保持前の５．４％までであった。
From the results of Comparative Examples 1 to 5, the weight of the chicken tended to increase depending on the pH when the pH of the aqueous peracetic acid solution was 4 to 9, regardless of the concentration of peracetic acid, but the effect is the peracetic acid The concentration was not stable, and the weight recovery was up to 5.4% before holding the deposit.
それに対し、氷酢酸と過酸化水素の平衡反応で作製した過酢酸溶液のｐＨを９．５とした過酢酸水溶液に沈積保持した実施例１の方法では、重量が５．５％まで重量が回復し、その効果も安定していた。
On the other hand, in the method of Example 1 in which the peracetic acid solution prepared by the equilibrium reaction of glacial acetic acid and hydrogen peroxide was deposited and maintained in the peracetic acid aqueous solution having a pH of 9.5, the weight was recovered to 5.5%. The effect was also stable.
本発明により、鳥類の屠体重量を、加工前の屠体重量に近い状態に制御することができ、屠体重量が処理前の重量の５．５％以上まで回復する鳥類の屠体重量制御方法が提供される。本発明により、鶏肉等の鳥類の屠体の、本来の商業過程での取引を正常な状態にすることができる。
According to the present invention, the carcass weight of birds can be controlled to a state close to the carcass weight before processing, and the carcass weight control of birds which restores the carcass weight to 5.5% or more of the weight before treatment A method is provided. According to the present invention, it is possible to normalize the original commercial transaction of a carcass of a bird such as chicken.
Claims (6)
- 氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で鳥類の屠体を沈積保持して、前記屠体の重量を制御することを特徴とする鳥類の屠体重量制御方法。 An avian carcass is deposited and maintained at 5 ° C. or less in an aqueous solution in which an alkali is added to an equilibrated peracetic acid solution of 1 to 200 ppm consisting of glacial acetic acid and hydrogen peroxide to adjust the pH to more than 9 and 10 or less And controlling the weight of the carcass.
- 鳥類の屠体を洗浄殺菌する殺菌工程と、
氷酢酸と過酸化水素とからなる１～２００ｐｐｍの平衡状態の過酢酸溶液にアルカリを添加して、ｐＨが９より大きく１０以下とした水溶液中に、５℃以下で前記鳥類の屠体を沈積保持して、前記屠体の重量を制御する重量制御工程と、
からなる鳥類の屠体重量制御方法。 A sterilization process for cleaning and sterilizing a carcass of birds;
Deposit the carcass of the birds at 5 ° C. or less in an aqueous solution in which the pH is greater than 9 and less than 10 by adding an alkali to an equilibrated solution of 1 to 200 ppm of peracetic acid consisting of glacial acetic acid and hydrogen peroxide A weight control step of holding and controlling the weight of the carcass;
Method for controlling carcass weight of birds consisting of - 前記沈積保持が、１℃以上５℃以下で２５分間から３時間である請求項１または２に記載の方法。 The method according to claim 1 or 2, wherein the deposition retention is 25 minutes to 3 hours at 1 ° C to 5 ° C.
- さらに、温度を０．５℃以上２℃未満とした前記水溶液中で、鳥類の屠体温度が０．５℃～１．０℃になるまで沈積保持する請求項３に記載の方法。 The method according to claim 3, further comprising holding the bird in the aqueous solution at a temperature of 0.5 ° C to less than 2 ° C until the carcass temperature of the birds reaches 0.5 ° C to 1.0 ° C.
- 前記アルカリが、水酸化ナトリウムまたは水酸化カリウムである請求項１～４のいずれか一項に記載の方法。 The method according to any one of claims 1 to 4, wherein the alkali is sodium hydroxide or potassium hydroxide.
- 前記鳥類の屠体が、鶏肉、鴨肉、七面鳥の肉、またはアヒルの肉である請求項１～５のいずれか一項に記載の方法。 The method according to any one of claims 1 to 5, wherein the carcass of the birds is chicken, minced meat, turkey meat, or duck meat.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632676A (en) * | 1993-10-12 | 1997-05-27 | Fmc Corporation | Use of peracetic acid to sanitize processed fowl |
| US20120244261A1 (en) * | 2011-03-24 | 2012-09-27 | Harvey Michael S | Methods of using peracetic acid to treat poultry in a chill tank during processing to increase weight |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632676A (en) * | 1993-10-12 | 1997-05-27 | Fmc Corporation | Use of peracetic acid to sanitize processed fowl |
| US20120244261A1 (en) * | 2011-03-24 | 2012-09-27 | Harvey Michael S | Methods of using peracetic acid to treat poultry in a chill tank during processing to increase weight |
Non-Patent Citations (1)
| Title |
|---|
| OHKOSHI, TOSHIYUKI: "Feasibility of processing poultry using peracetic acid formulation", FOOD PROCESSING AND INGREDIENTS, vol. 51, no. 12, December 2016 (2016-12-01), pages 37 - 41, ISSN: 0911-3932 * |
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