JP2007084589A - Acidic bactericidal detergent - Google Patents

Acidic bactericidal detergent Download PDF

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JP2007084589A
JP2007084589A JP2005271262A JP2005271262A JP2007084589A JP 2007084589 A JP2007084589 A JP 2007084589A JP 2005271262 A JP2005271262 A JP 2005271262A JP 2005271262 A JP2005271262 A JP 2005271262A JP 2007084589 A JP2007084589 A JP 2007084589A
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peracetic acid
acidic
acid
weight
sulfonate
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Mikio Nemoto
幹雄 根本
Katsuko Hirakuri
かつ子 平栗
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Nippon Peroxide Co Ltd
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Nippon Peroxide Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an acidic bactericidal detergent containing a peracetic acid excellent in bactericidal and cleaning power. <P>SOLUTION: This acidic bactericidal detergent is obtained by incorporating a 10-20C alkane sulfonic acid in an aqueous peracetic acid solution consisting of peracetic acid, hydrogen peroxide, acetic acid and water. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、過酢酸を含有する酸性殺菌洗浄剤に関する。更に詳細には、食品の製造装置、加工装置、或いはそれらのライン、または食品工場の床、壁等の殺菌、洗浄に有利に使用できる酸性殺菌洗浄剤に関する。   The present invention relates to an acidic sterilizing detergent containing peracetic acid. More specifically, the present invention relates to an acidic sterilizing cleaning agent that can be advantageously used for sterilization and cleaning of food production apparatuses, processing apparatuses, or their lines, or floors and walls of food factories.

食品分野において、その製造装置あるいは加工装置、またはそれらのラインの殺菌には、過酢酸が用いられている。しかし、これらの製造装置あるいは加工装置、またはラインには、食品に起因する種々の汚れが付着するため、過酢酸での殺菌工程とは別に洗浄工程が設けられている。医療分野においても洗浄と殺菌を別々に行うことが多い。
このように従来は別々に行われている、洗浄と殺菌とを同時に行う試みがあり、例えば、特許文献1には、過酢酸に界面活性剤を配合し、殺菌と同時に、無機系の汚れ及び有機系の汚れを除去することが提案されている。
また、特許文献2には、過酢酸の濃縮物にアルキルベンゾールスルホネート、アルキルサルフェートおよび/またはアルキルスルホネート等の界面活性剤を含有させることが開示されている。
特開2001−72996号公報 特公昭61−10465号公報
In the food field, peracetic acid is used for sterilization of the manufacturing apparatus or processing apparatus or their lines. However, these manufacturing apparatuses, processing apparatuses, or lines are provided with a cleaning process separately from the sterilization process with peracetic acid because various stains resulting from foods are attached. In the medical field, washing and sterilization are often performed separately.
Thus, there has been an attempt to simultaneously perform cleaning and sterilization, which are conventionally performed separately. For example, in Patent Document 1, a surfactant is added to peracetic acid, and at the same time as sterilization, inorganic soil and It has been proposed to remove organic soils.
Patent Document 2 discloses that a peracetic acid concentrate contains a surfactant such as alkyl benzol sulfonate, alkyl sulfate and / or alkyl sulfonate.
JP 2001-72996 A Japanese Patent Publication No. 61-10465

本発明者等は、過酢酸に界面活性剤を配合することによって、殺菌と洗浄が同時に行えることに注目し、過酢酸溶液に界面活性剤を配合することを試みたが、過酢酸溶液に界面活性剤を配合すると、その保存中に有効成分である過酢酸が失われてしまうことが分かった。
本発明者等は、保存中に過酢酸濃度が低下しない、界面活性剤を含む過酢酸溶液を開発すべく、検討を重ねた結果、過酢酸水溶液に特定のアルカンスルホン酸塩を配合した場合、過酢酸が失われないことを見出し、本発明を完成した。
The present inventors paid attention to the fact that by mixing a surfactant with peracetic acid, sterilization and washing can be performed simultaneously, and tried to add a surfactant to the peracetic acid solution. It has been found that peracetic acid, which is an active ingredient, is lost during storage when an activator is added.
As a result of repeated studies to develop a peracetic acid solution containing a surfactant, the peracetic acid concentration does not decrease during storage, the present inventors have formulated a specific alkanesulfonic acid salt in a peracetic acid aqueous solution. The inventors found that peracetic acid was not lost and completed the present invention.

即ち、本発明は、過酢酸、過酸化水素、酢酸、水及び炭素数が10〜20のアルカンスルホン酸塩を含む酸性殺菌洗浄剤に関する。   That is, the present invention relates to an acidic sterilizing detergent containing peracetic acid, hydrogen peroxide, acetic acid, water, and an alkane sulfonate having 10 to 20 carbon atoms.

本発明の酸性殺菌洗浄剤は、過酢酸と界面活性剤とを安定に配合することができ、その保存中に過酢酸が失われることがないため、食品分野、医療分野あるいは畜産分野において、有利に使用できる。   The acidic disinfectant cleaning agent of the present invention can be stably blended with peracetic acid and a surfactant, and since peracetic acid is not lost during storage, it is advantageous in the food field, medical field or livestock field. Can be used for

本発明において、酸性殺菌洗浄剤の調整は、既に平衡状態にある過酢酸の水溶液に、炭素数が10〜20のアルカンスルホン酸塩(以下、単に界面活性剤ということもある)を添加しても良いし、過酸化水素、酢酸、水及び界面活性剤を混合することによって調整することもできる。
上記のようにして得られる、酸性殺菌洗浄剤の好ましい組成は、過酢酸0.1〜10重量%、過酸化水素1〜30重量%、酢酸2〜40重量%及び界面活性剤0.1〜25重量%である。一般には、比較的高濃度の組成物を調整し、使用時にそれを適当な濃度に希釈して使用する。
In the present invention, the adjustment of the acidic sterilizing detergent is performed by adding an alkane sulfonate having 10 to 20 carbon atoms (hereinafter sometimes referred to simply as a surfactant) to an aqueous solution of peracetic acid already in an equilibrium state. Alternatively, it can be adjusted by mixing hydrogen peroxide, acetic acid, water and a surfactant.
The preferred composition of the acidic sterilizing detergent obtained as described above is 0.1 to 10% by weight of peracetic acid, 1 to 30% by weight of hydrogen peroxide, 2 to 40% by weight of acetic acid, and 0.1 to 0.1% of the surfactant. 25% by weight. In general, a relatively high concentration composition is prepared and diluted to an appropriate concentration before use.

殺菌、洗浄する際の各成分の好ましい濃度は、過酢酸0.1〜1重量%、過酸化水素0.1〜5重量%、酢酸0.2〜6重量%、及び界面活性剤0.1〜1.5重量%であり、更に好ましくは、過酢酸0.2〜0.6重量%、過酸化水素0.5〜3重量、酢酸0.6〜4重量%、及び界面活性剤0.5〜2.5重量%である。   The preferred concentration of each component when sterilizing and washing is 0.1 to 1% by weight of peracetic acid, 0.1 to 5% by weight of hydrogen peroxide, 0.2 to 6% by weight of acetic acid, and 0.1% of surfactant. To 1.5% by weight, more preferably 0.2 to 0.6% by weight peracetic acid, 0.5 to 3% by weight hydrogen peroxide, 0.6 to 4% by weight acetic acid, and 0. 5 to 2.5% by weight.

本発明における、アルカンスルホン酸塩としては、炭素数が10〜20のアルカンスルホン酸のアルカリ金属塩またはアルカリ土類金属塩であり、具体的には、デカンスルホン酸ナトリウム、ウンデカンスルホン酸ナトリウム、ドデカンスルホン酸ナトリウム、トリデカンスルホン酸ナトリウム、テトラデカンスルホン酸ナトリウム、ペンタデカンスルホン酸ナトリウム、ヘキサデカンスルホン酸ナトリウム等である。炭素数が10より少ないものは、過酢酸と安定に配合することができず、また炭素数が20よりも大きいものは、溶解性が悪く溶液が濁りを生じる。
また、アルカンスルホン酸塩として、第一級のアルカンスルホン酸塩よりも、第二級のアルカンスルホン酸塩の方がより安定に過酢酸と配合できる。
In the present invention, the alkane sulfonate is an alkali metal salt or alkaline earth metal salt of alkane sulfonic acid having 10 to 20 carbon atoms, specifically, sodium decane sulfonate, sodium undecane sulfonate, dodecane. Examples thereof include sodium sulfonate, sodium tridecane sulfonate, sodium tetradecane sulfonate, sodium pentadecane sulfonate, and sodium hexadecane sulfonate. Those having less than 10 carbon atoms cannot be stably mixed with peracetic acid, and those having more than 20 carbon atoms have poor solubility and turbidity.
Further, as the alkane sulfonate, the secondary alkane sulfonate can be blended with peracetic acid more stably than the primary alkane sulfonate.

本発明の酸性殺菌洗浄剤は、この殺菌洗浄剤をそのまま、或いは適当な濃度に希釈して用いるが、殺菌時間を短縮したいとき、または殺菌力を増強したいときには、前記酸性殺菌洗浄剤にギ酸ナトリウム等のギ酸源を添加することができる。
ギ酸源の用い方は、前記酸性殺菌洗浄剤を使用する直前に、適当な濃度に希釈された殺菌洗浄剤に添加して用いることが好ましい。
ギ酸源としては、ギ酸、ギ酸ナトリウム、ギ酸プロピル、ギ酸ブチル、ギ酸イソブチル、ギ酸イソアミル等であり、前記酸性殺菌洗浄剤に、0.1〜5重量%配合することが好ましく、より好ましくは、0.5〜1.5重量%配合する。
The acidic sterilizing detergent of the present invention is used as it is or diluted to an appropriate concentration. When it is desired to shorten the sterilizing time or to enhance the sterilizing power, the acidic sterilizing detergent is sodium formate. A formic acid source such as can be added.
The formic acid source is preferably used by adding it to a sterilizing detergent diluted to an appropriate concentration immediately before using the acidic sterilizing detergent.
As the formic acid source, formic acid, sodium formate, propyl formate, butyl formate, isobutyl formate, isoamyl formate and the like are preferably added in an amount of 0.1 to 5% by weight, more preferably 0%. .5 to 1.5% by weight is blended.

本酸性殺菌洗浄剤の使用温度は、10〜40℃の範囲で行うことが好ましく、10℃以下では十分な効果が得られないことがあり、また40℃以上の温度では、有効成分である過酢酸が無効に分解するおそれがある。殺菌洗浄時間は、対象菌や汚れにもよるが、通常は、10〜75分である。   The use temperature of the present acidic disinfectant cleaning agent is preferably in the range of 10 to 40 ° C., and if it is 10 ° C. or lower, sufficient effects may not be obtained. There is a risk that acetic acid may be decomposed ineffectively. The sterilization washing time is usually 10 to 75 minutes although it depends on the target bacteria and dirt.

(安定性試験)
実施例1〜6及び比較例1〜7
過酢酸及び界面活性剤の濃度をそれぞれ表1に示される濃度に調整し、50℃で7日間静置した後、過酢酸濃度を測定して過酢酸残存率を求めた。その結果を表1に示す。なお、本試験においては、オキシペール100(日本パーオキサイド株式会社)を用いて調整した。
(*1)第二級アルカンスルホン酸ナトリウムは、Hostapur SAS 93(クラリアントジャパン社)を用いた。(炭素数は13〜16の混合物)
(*2)過酢酸残存率(%)は、7日後の過酢酸濃度を初期濃度で除して求めた。
(*3)4日後の測定値が44%であったので、7日後の測定は行わなかった。
(*4)50℃に静置後、まもなく発泡し容器より溢れた。
(Stability test)
Examples 1-6 and Comparative Examples 1-7
The concentrations of peracetic acid and surfactant were adjusted to the concentrations shown in Table 1, respectively, and allowed to stand at 50 ° C. for 7 days, and then the peracetic acid concentration was measured to determine the peracetic acid residual rate. The results are shown in Table 1. In addition, in this test, it adjusted using the oxy pail 100 (Nippon Peroxide Co., Ltd.).
(* 1) Hostapur SAS 93 (Clariant Japan) was used as the secondary sodium alkanesulfonate. (A mixture of 13 to 16 carbon atoms)
(* 2) Peracetic acid residual ratio (%) was obtained by dividing the peracetic acid concentration after 7 days by the initial concentration.
(* 3) Since the measured value after 4 days was 44%, the measurement after 7 days was not performed.
(* 4) After standing at 50 ° C., it soon foamed and overflowed from the container.

Figure 2007084589
Figure 2007084589

(洗浄試験)
実施例7〜8及び比較例8〜9
実施例6で用いた過酢酸水溶液を10倍に希釈し、過酢酸濃度0.5%、界面活性剤0.5%含有する溶液を調整し供試液とした。
供試液をホモジナイザーで泡立て、そこに下記の方法で作成した汚染板を15秒間浸漬する。その後、汚染板を引き上げ、立てた状態で20分間、室温で放置した後、50mlの水道水ですすぎ、汚染板の重量を測定し洗浄率を求めた。(洗浄率は、洗浄後の汚染板の重量を洗浄前の汚染板の重量で除した。)
(汚染板の作成方法)
市販のミルクコーヒー1.0mlを清浄なSUS316(50×80×1mm)の片面に均一に塗布し、90℃で2時間乾燥する。この操作を4回繰返し、汚染板を作成した。
(Cleaning test)
Examples 7-8 and Comparative Examples 8-9
The peracetic acid aqueous solution used in Example 6 was diluted 10 times to prepare a solution containing 0.5% peracetic acid and 0.5% surfactant.
The test solution is bubbled with a homogenizer, and a contaminated plate prepared by the following method is immersed in the solution for 15 seconds. Thereafter, the contaminated plate was pulled up, left standing for 20 minutes at room temperature, rinsed with 50 ml of tap water, the weight of the contaminated plate was measured, and the cleaning rate was determined. (The cleaning rate was obtained by dividing the weight of the contaminated plate after cleaning by the weight of the contaminated plate before cleaning.)
(How to make a contaminated plate)
Apply 1.0 ml of commercially available milk coffee uniformly to one side of clean SUS316 (50 × 80 × 1 mm) and dry at 90 ° C. for 2 hours. This operation was repeated 4 times to prepare a contaminated plate.

Figure 2007084589
Figure 2007084589

(殺菌試験)
実施例9〜11及び比較例10
20mlのビーカーに表3に示した供試液9mlを入れ、25℃の水浴中で攪拌しながら5分間保持する。その後、供試液に芽胞液または胞子液を1ml接種し、5分、10分、15分、30分、45分、60分及び120分経過後に1mlを採取し、亜硫酸ナトリウムを主成分とした不活化剤9mlを直ちに混和する。
適宜希釈し、芽胞菌(Bucillus subtilis
var. globigii)は、標準寒天培地で36℃・3日間、カビ(Chaetomium globosum)は28℃・4日間培養後、菌数をカウントした。
結果を表3に示す。
(Sterilization test)
Examples 9 to 11 and Comparative Example 10
In a 20 ml beaker, 9 ml of the test solution shown in Table 3 is placed and kept in a 25 ° C. water bath with stirring for 5 minutes. Thereafter, 1 ml of the spore solution or spore solution was inoculated into the test solution, and 1 ml was collected after 5 minutes, 10 minutes, 15 minutes, 30 minutes, 45 minutes, 60 minutes, and 120 minutes. Immediately mix 9 ml of activator.
Dilute appropriately and spore bacteria (Bucillus subtilis
var. globigii) was cultured on a standard agar medium at 36 ° C for 3 days, and mold (Chaetomium globosum) was cultured at 28 ° C for 4 days.
The results are shown in Table 3.

Figure 2007084589
Figure 2007084589


Claims (3)

過酢酸、過酸化水素、酢酸、水及び炭素数が10〜20のアルカンスルホン酸塩を含む酸性殺菌洗浄剤。 An acidic disinfectant cleaning agent comprising peracetic acid, hydrogen peroxide, acetic acid, water and an alkane sulfonate having 10 to 20 carbon atoms. 前記アルカンスルホン酸塩が第二級のアルカンスルホン酸塩である請求項1の酸性殺菌洗浄剤。 The acidic sterilizing detergent according to claim 1, wherein the alkane sulfonate is a secondary alkane sulfonate. 更にギ酸源を含む請求項1及び2の酸性殺菌洗浄剤。

The acidic disinfectant cleaner according to claims 1 and 2, further comprising a formic acid source.

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