JP6143654B2 - Cleaning composition for cleaning tableware or cooking utensils - Google Patents

Description

  The present invention relates to a cleaning composition for cleaning dishes or cooking utensils.

  In general, an anionic surfactant is used as a cleaning agent from the viewpoint of detergency. In particular, a cleaning composition for dishwashing is a concentrated type composition having a higher anionic surfactant concentration from the viewpoint of saving resources. Proposed. In addition, due to increased awareness of hygiene, research has been conducted in the field of detergents, including the addition of antibacterial agents, etc., to remove germs in objects to be cleaned and cleaning tools, and to suppress the growth of bacteria. .

  However, in a dishwashing detergent composition having a high concentration of anionic surfactant, it is difficult to obtain an effect with conventional antibacterial agents, and many antibacterial agents must be used to obtain a satisfactory antibacterial effect. I had to. In addition, in order not to inhibit the antibacterial effect of the antibacterial agent, a dishwashing detergent composition mainly composed of a nonionic surfactant, an amphoteric surfactant, or a semipolar surfactant provides a satisfactory detergency. There wasn't.

  Techniques using zinc compounds as antibacterial agents are already known. For example, Patent Document 1 discloses a liquid detergent composition containing an anionic surfactant, a polyvalent carboxylic acid, zinc, an alkaline earth metal, and water under predetermined conditions. Patent Document 2 discloses an antibacterial agent containing zinc and a monoalkyl glyceryl ether. Even when a low concentration of zinc and a high concentration of an anionic surfactant are used in combination, the antibacterial property is high and storage is performed. It is described that an antibacterial liquid detergent composition having excellent stability can be provided. Patent Document 3 discloses a liquid detergent composition for hard surfaces containing a nonionic surfactant, a zinc salt, and a predetermined organic acid under predetermined conditions.

JP 2004-131626 A JP-A-2005-170878 JP 2005-336384 A

  In the case of a liquid detergent composition for use in kitchen business products where the environment of dirt and bacteria contamination is extremely severe, there are cases where sufficient antibacterial effects cannot be exhibited by the conventionally proposed methods. Numerous bacteria have been found to be detected in cleaning tools around commercial facilities. However, even if the cleaning tool is contaminated with bacteria, it is considered that cross contamination of dishes, cooking utensils, and food can be reduced by reducing the number of bacteria in the cleaning tool. Cleaning tools used in kitchens for commercial facilities have a much higher soil load than those used in general households, and there are many biofilms in cleaning tools made of porous materials such as sponges. Therefore, a higher level of antibacterial activity is required to sufficiently disinfect the cleaning tool using a cleaning agent.

  In addition, the liquid detergent composition for use in kitchen commercial products has an appropriate viscosity from the viewpoint of ease of use, and is excellent in stability of the liquid composition, particularly storage stability at a low temperature while having such viscosity. It is desirable.

  An object of the present invention is to provide a liquid detergent composition for tableware or cooking utensils that has a good detergency and exhibits a certain sterilization effect even in the use of commercial kitchens where the environment of dirt and bacteria contamination is extremely severe. It is an object of the present invention to provide a cleaning composition for washing dishes or cooking utensils having desirable viscosity and storage stability at low temperatures.

  In the present invention, (A) zinc or a salt thereof (hereinafter referred to as “component (A)”) is 0.02% by mass or more and 0.7% by mass or less in terms of zinc ion, and (B) an amine oxide type surfactant [below] , (B) component] is 4.5% by mass or more and 22% by mass or less, and (C) alkylglycoside surfactant (hereinafter referred to as component (C)) is 5% by mass or more and 22.5% by mass or less. And a cleaning composition for washing dishes or cooking utensils, wherein the content of the anionic surfactant is 3% by mass or less.

  The present invention also relates to a method for sterilizing a cleaning tool for tableware or cooking utensils, wherein the cleaning composition for cleaning tableware or cooking utensils of the present invention is applied to a cleaning tool for tableware or cooking utensils.

  According to the present invention, a liquid detergent composition for tableware or cooking utensils that has a good detergency and exhibits a certain sterilization effect even in use in commercial kitchens where the environment of dirt and bacteria contamination is extremely severe. A cleaning composition for cleaning dishes or cooking utensils having a desirable viscosity and storage stability at low temperatures (hereinafter also referred to as low-temperature storage stability) is provided.

<(A) component>
The component (a) zinc is preferably contained as zinc ions. Further, zinc is preferably blended as a compound that generates zinc ions dissociated when dissolved in a cleaning agent, more preferably as a zinc salt having a solubility in 100 g of water at 20 ° C. of 5 g or more, more preferably 10 g or more. Blended.

  Examples of such zinc salts include zinc sulfate, zinc nitrate, zinc chloride, zinc perchlorate, zinc gluconate, zinc tartrate, zinc bromide, ammonium zinc chloride, aluminum zinc sulfate, potassium zinc sulfate, and zinc iodide. Can be mentioned.

  As the component (a), one or more selected from zinc sulfate, zinc nitrate, zinc gluconate, zinc tartrate, zinc chloride and zinc perchlorate are preferable from the viewpoint of sterilization. As the component (a), zinc sulfate is preferable from the viewpoint of versatility. Zinc includes all zinc in dissociation equilibrium with dissociated zinc ions.

<(B) component>
The amine oxide type surfactant as the component (B) has a carbon number of preferably 8 or more, more preferably 10 or more, more preferably 11 or more, from the viewpoints of viscosity, disinfecting property, detergency and low-temperature storage stability. And it has preferably 14 or less, more preferably 13 or less hydrocarbon groups. More preferably, the amine oxide type surfactant as the component (B) preferably has 8 or more carbon atoms, more preferably 10 or more, more preferably 11 or more, and preferably 14 or less, more preferably 13 or less. It has one hydrocarbon group and two hydrocarbon groups having 1 to 3 carbon atoms. The hydrocarbon group having 8 or more and 14 or less carbon atoms is preferably an alkyl group or an alkenyl group, and more preferably an alkyl group. The hydrocarbon group having 1 to 3 carbon atoms is preferably an alkyl group or an alkenyl group, and more preferably an alkyl group.

  Specific examples of the preferred component (B) include compounds represented by the following general formula (B1).

[Wherein R ^1b is a linear alkyl group or linear alkenyl group having 8 or more carbon atoms, preferably 10 or more, more preferably 11 or more, and 14 or less, preferably 13 or less, and R ^3b , R ^4b Is an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. R ^2b is an alkylene group having 1 to 5 carbon atoms, preferably 2 or 3 carbon atoms. A is a group selected from —COO—, —CONH—, —OCO—, —NHCO—, and —O—, and n is 0 or 1, preferably 0. ]

  The component (B) is preferably an alkyldimethylamine oxide having an alkyl group having 8 to 14 carbon atoms.

<(C) component>
As the alkylglycoside type surfactant as the component (C), a compound represented by the following general formula (C1) is preferable from the viewpoints of viscosity, disinfectability, detergency and low-temperature storage stability.
R ^1c- (OR ^2c ) _x G _y (C1)
[Wherein, R ^1c is a linear alkyl group having 8 or more carbon atoms, preferably 10 or more and 16 or less, preferably 14 or less, R ^2c is an alkylene group having 2 to 4 carbon atoms, preferably an ethylene group or A propylene group, more preferably an ethylene group, G is a residue derived from a reducing sugar, x is an average value of 0 or more and 6 or less, y is an average value of 1 or more and 10 or less, preferably 5 or less, more preferably Indicates a number of 2 or less. ]

  In the compound of the general formula (C1), G is a residue derived from a reducing sugar, and the reducing sugar as a raw material for G may be either aldose or ketose. Examples of the reducing sugar as a raw material for G include triose having 3 carbon atoms, tetrose having 4 carbon atoms, pentose having 5 carbon atoms, and hexose having 6 carbon atoms. Specific examples of aldoses include apiose, arabinose, galactose, glucose, lyxose, mannose, galose, aldose, idose, talose, and xylose. Specific examples of ketose include fructose. Among these, the reducing sugar of the G raw material of the present invention is an aldose which is an aldose having 5 carbon atoms or an aldose having 6 carbon atoms from the viewpoints of viscosity, disinfecting property, detergency and low-temperature storage stability. Hexose, more preferably glucose.

The compound of the general formula (C1) can be easily synthesized by subjecting the reducing sugar and R ^1c- (OR ^2c ) _x -OH to an acetalization reaction or a ketalization reaction using an acid catalyst. In the case of an acetalization reaction, a hemiacetal structure or a normal acetal structure may be used.

  The compound of general formula (C1) is preferable from the viewpoints of viscosity, detergency and low-temperature storage stability.

<Cleaning composition for cleaning tableware or cooking utensils>
The cleaning composition for washing dishes or cooking utensils of the present invention contains the component (A) in an amount of 0.02% by mass or more and 0.7% by mass or less in terms of zinc ions. The content of the component (A) is 0.02% by mass or more, preferably 0.04% by mass or more, and more preferably 0.06% by mass in terms of zinc ion in terms of sterilization. % Or more, more preferably 0.08 mass% or more. Moreover, content of (A) component is 0.7 mass% or less in a composition in conversion of zinc ion from a viewpoint of low-temperature storage stability, Preferably it is 0.6 mass% or less, More preferably, it is 0. .4% by mass or less, more preferably 0.2% by mass or less, more preferably 0.15% by mass or less.

  The cleaning composition for washing dishes or cooking utensils of the present invention contains the component (B) in an amount of 4.5% by mass to 22% by mass. The content of the component (B) is 4.5% by mass or more, preferably 5.5% by mass or more, more preferably from the viewpoint of viscosity, sterilization property, detergency and low-temperature storage stability. Is 7% by mass or more, more preferably 10% by mass or more. Moreover, content of (B) component is 22 mass% or less from a viewpoint of a viscosity, detergency, and low-temperature storage stability, Preferably it is 21 mass% or less, More preferably, it is 17 mass% or less.

  In the detergent composition for cleaning dishes or cooking utensils of the present invention, from the viewpoint of viscosity and sterilization, the ratio of the mass of component (A) in terms of zinc ion to the mass of component (B) is [(B). Component mass] / [mass of component (A) in terms of zinc ion] is preferably 40 or more, more preferably 50 or more, more preferably 60 or more, more preferably 80 or more, more preferably 90 or more. Further, the mass ratio of [mass of (B) component] / [mass of component (A) in terms of zinc ion] is preferably 200 or less, more preferably 190 or less, from the viewpoint of viscosity and low-temperature storage stability. Preferably it is 160 or less.

  The cleaning composition for cleaning tableware or cooking utensil of the present invention contains 5% by mass or more and 22.5% by mass or less of component (C). The content of the component (C) is 5% by mass or more, more preferably 7% by mass or more, more preferably 9% by mass in the composition from the viewpoints of viscosity, sterilization property, detergency, and low-temperature storage stability. % Or more. In addition, the content of the component (C) is 22.5% by mass or less, preferably 21.5% by mass or less, more preferably 20% by mass or less, in the composition from the viewpoint of viscosity and sterilization. More preferably, it is 17 mass% or less.

  From the viewpoints of viscosity, sterilization, detergency, and low-temperature storage stability, the cleaning composition for cleaning dishes or cooking utensils of the present invention has a mass ratio of (B) component to (C) component [(B). Component mass] / [(C) component mass], preferably 0.20 or more, more preferably 0.25 or more, more preferably 0.35 or more, more preferably 0.65 or more, and Preferably it is 8 or less, More preferably, it is 5 or less, More preferably, it is 3 or less, More preferably, it is 2 or less.

  In the detergent composition for cleaning dishes or cooking utensils according to the present invention, the sum of the content of the component (A), the content of the component (B), and the content of the component (C) From the viewpoint of viscosity, it is preferably 18% by mass or more, more preferably 22% by mass or more, more preferably 25% by mass or more, and from the viewpoint of viscosity, low-temperature storage stability and economy, preferably 40% by mass. Hereinafter, it is more preferably 35% by mass or less, more preferably 30% by mass or less.

  In the detergent composition for cleaning dishes or cooking utensils according to the present invention, the total content of the component (A), the content of the component (B), and the content of the component (C) is excluded from the components other than water. From the viewpoint of fungi, it is preferably 85% by mass or more, more preferably 90% by mass or more, more preferably 93% by mass or more.

  In the cleaning composition for washing dishes or cooking utensils according to the present invention, the content of the anionic surfactant is 3% by mass or less from the viewpoint of sterilization, viscosity, and low-temperature storage stability. The content of the anionic surfactant in the composition is preferably 2% by mass or less, more preferably 1.5% by mass or less, more preferably 1% by mass or less, and more preferably 0.5% by mass or less. . It is more preferable that the anionic surfactant is not contained, that is, the content of the anionic surfactant is 0% by mass in the composition.

  Examples of the anionic surfactant include alkylbenzene sulfonic acid, alkyl (or alkenyl) sulfate, polyoxyalkylene alkyl (or alkenyl) ether sulfate, olefin sulfonic acid, alkane sulfonic acid, α-sulfo fatty acid, α-sulfo fatty acid ester. And salts thereof. In the present invention, the content of an anionic surfactant selected from alkylbenzene sulfonic acid, polyoxyalkylene alkyl (or alkenyl) ether sulfate, and salts thereof may be limited to the above range.

  The pH at 25 ° C. of the cleaning composition for washing dishes or cooking utensils of the present invention is preferably 5.5 or higher, more preferably 5.8 or higher, more preferably 6. from the viewpoint of low-temperature storage stability and viscosity. 0 or more, and preferably 8.5 or less, more preferably 7.5 or less, more preferably 7.0 or less.

  The viscosity at 20 ° C. of the detergent composition for cleaning dishes or cooking utensils of the present invention is preferably 80 mPa · s or more, more preferably 100 mPa · s or more, more preferably 150 mPa · s or more, from the viewpoint of handling during use. 220 mPa · s or more, and preferably 1000 mPa · s or less, more preferably 700 mPa · s or less, more preferably 600 mPa · s or less, more preferably 500 mPa · s or less. The viscosity was measured using a B-type viscometer with rotor No. 2 and measured at 20 rpm at 60 rpm for 1 minute.

  The cleaning composition for cleaning tableware or cooking utensils of the present invention has a range that does not affect the effects of the present invention, in addition to the aforementioned component (A), component (B), component (C) and anionic surfactant. The component which can be contained in a normal liquid cleaning agent can be contained. For example, a rust preventive agent such as sodium sulfite, a fragrance, a pigment, or the like can be given. In consideration of the effect of the component (A), it is preferable that the content of a component that captures metal ions, such as a chelating agent, is small. In this invention, it is preferable that content of a chelating agent is less than 0.01 mass% in a composition, and 0.005 mass% or less is more preferable. It may not contain a chelating agent, that is, the content of the chelating agent may be 0% by mass in the composition. Examples of the chelating agent include polyvalent carboxylic acids or salts thereof, and examples include chelating agents selected from citric acid, tartaric acid, malic acid, fumaric acid, succinic acid, and salts thereof. You may restrict | limit the content of the chelating agent chosen from a citric acid, tartaric acid, malic acid, fumaric acid, succinic acid, and these salts to the said range.

  Although the preparation method of the cleaning composition for washing | cleaning the tableware or cooking utensil of this invention is not specifically limited, From a viewpoint of suppressing high viscosity, before mix | blending (C) component (A) component , (B) component and other components are preferably blended. That is, it is preferable to mix the component (C) after mixing the component (A) and the component (B).

  The appearance of the detergent composition for cleaning dishes or cooking utensils of the present invention should be uniform and transparent from the viewpoint of expressing the effects of the active ingredients (A), (B), and (C). preferable. Here, “uniformly transparent” for the cleaning composition for washing dishes or cooking utensils means that there is no turbidity or separation, and foreign matters such as precipitates, agglomeration, and floating substances are not visually recognized.

  The cleaning composition for washing dishes or cooking utensils of the present invention is applied to the dishes or cooking utensils to wash the dishes or cooking utensils. The application of the cleaning composition for cleaning tableware or cooking utensils of the present invention to tableware or cooking utensils is specifically performed by applying an appropriate amount to a cleaning tool and washing by hand washing. According to the present invention, the present invention provides a method for cleaning tableware or cooking utensils, wherein the cleaning composition for cleaning tableware or cooking utensils of the present invention is applied to tableware or cooking utensils.

  Examples of the tableware to which the present invention is applied include dishes, glasses, cups, pantry and the like. In addition, examples of the cooking utensil that is an object of the present invention include cooking utensils such as knives, cutting boards, and colanders used in restaurant kitchens and the like. Furthermore, as an object of the present invention, there are equipment, equipment, or facilities that are in direct contact with food, such as equipment, equipment, or filling machines that manufacture or process food or beverage used in food factories or beverage factories. Can be mentioned.

<How to disinfect cleaning tools>
The present invention relates to a method for sterilizing a cleaning tool for tableware or cooking utensils, wherein the cleaning composition for cleaning tableware or cooking utensils of the present invention is applied to a cleaning tool for tableware or cooking utensils. Preferably, the state where the composition of the present invention is in contact, more preferably the state where the component (A), the component (B) and the component (C) applied from the composition of the present invention are in contact is maintained for a certain period of time. In the present invention, from the viewpoint of sterilization after application of the composition, it is preferably 4 hours or more, more preferably 5 hours or more, more preferably 6 hours or more, more preferably 8 hours or more, more preferably 12 hours. More preferably, the cleaning tool is left for 16 hours or more, and from the viewpoint of economy, preferably 3 days or less, more preferably 2 days or less, more preferably 1 day or less, more preferably 20 hours or less. From the viewpoint of not taking time and labor, it is preferable to dry naturally at room temperature. The temperature at the time of leaving is preferably 10 ° C. or more, more preferably 15 ° C. or more from the viewpoint of drying efficiency, and preferably 35 ° C. or less, more preferably 30 ° C. or less from the viewpoint of sterilization.

Furthermore, according to the present invention,
(I) Washing tableware or cooking utensils with a cleaning tool for tableware or utensils containing the cleaning composition of the present invention,
(II) rinsing the cleaned cleaning tool with water, and then attaching the cleaning composition of the present invention to the cleaning tool;
(III) After (II), the cleaning tool is placed at a temperature of 5 ° C. or higher and 40 ° C. or lower for 4 hours or longer, preferably 5 hours or longer, more preferably 6 hours or longer, more preferably 8 hours or longer, more preferably 12 hours or more, more preferably 16 hours or more, and 3 days or less, preferably 2 days or less, more preferably 1 day or less, more preferably 20 hours or less,
Are provided in the order of (I), (II) and then (III) in order to use the cleaning tool.

  Further, according to the present invention, after washing the tableware or cooking utensil with the cleaning composition for cleaning the tableware or cooking utensil of the present invention with the cleaning tool to which the tableware or cooking utensil is attached, the cleaning tool is removed from the composition. There is provided a sterilization method for maintaining a state containing the incorporated component (A), component (B) and component (C).

  For example, at the end of a day's cleaning operation, an appropriate amount of a stock solution of the cleaning composition for cleaning dishes or cooking utensils of the present invention is impregnated in a cleaning tool such as a sponge and left to dry naturally, after several hours or the next day. Effectively reduce the number of bacteria in cleaning tools. In addition, after washing the tableware or cooking utensil, the cleaning tool is left to dry naturally as it is, the state where the composition of the present invention is adhered to the cleaning utensil is maintained. Effectively reduce.

  The time for leaving the composition of the present invention after it is applied, the time for maintaining the state where the component (A), the component (B) and the component (C) are attached to the cleaning tool, or the drying time is from the viewpoint of sterilization, Preferably it is 4 hours or more, more preferably 5 hours or more, more preferably 6 hours or more, more preferably 8 hours or more, more preferably 12 hours or more, more preferably 16 hours or more, and from the viewpoint of economy , Preferably 3 days or less, more preferably 2 days or less, more preferably 1 day or less, more preferably 20 hours or less.

  Examples of the cleaning tool targeted by the present invention include flexible absorbents such as sponges, brushes and bundles. From the viewpoint of obtaining effective sterilization properties, a flexible absorbent such as a sponge is preferable.

Examples 1-8, Comparative Examples 1-8
The cleaning composition described in Table 1 was prepared, and the pH of the cleaning composition at 25 ° C. was measured with a pH meter. The compositions of Examples 1 to 8 exhibited a uniform and transparent appearance by visual observation. Moreover, the viscosity of the cleaning composition at 20 ° C. was measured with a B-type viscometer. The respective measurement results are shown in Table 1. Furthermore, storage stability at −5 ° C., sponge sterilization, and detergency were evaluated by the following methods. The evaluation results are shown in Table 1.

<Evaluation of storage stability at −5 ° C.>
No. 1 filled with 100 mL of the cleaning composition. Eleven standard bottles were placed in a thermostatic bath at -5 ° C and stored for 20 days. The appearance of the cleaning composition after storage was visually observed and evaluated according to the following criteria.
G: Uniform and transparent.
NG: There was a change in state such as turbidity, separation, or precipitation.

<Evaluation of sponge disinfection>
P. aeruginosa (Pseudomonas aeruginosa NBRC13275) was grown using LB medium (Nihon Becton Dickinson Co., Ltd.) at 37 ° C. for 18 hours. Thereafter, 10 mL of physiological saline was added and suspended to obtain a bacterial solution. The number of bacteria in 1 mL of the bacterial solution was measured to obtain the initial number of inoculated bacteria.
To a model soil obtained by mixing 5 g of commercially available chicken mince and 100 mL of sterilized water with a juicer, 1 mL of a bacterial solution and 1 mL of a detergent composition were added. The model soil to which the bacterial solution and the detergent composition were added was soaked in a commercially available new sponge (115 mm × 75 mm × 35 mm flexible absorber, trade name: Kikuron, distributor: Kikuron Corporation) for 1 minute. After squeezing the sponge lightly, it was left at 25 ° C. for 5 hours. The sponge was rinsed with running tap water for 10 seconds. Further, 2 g of the cleaning composition was squeezed into a sponge and left at 25 ° C. for 18 hours.
Thereafter, the sponge was squeezed and squeezed out with 100 mL of LP diluent (product name LP diluent “DAIGO” manufactured by Nippon Pharmaceutical Co., Ltd.), the number of bacteria in 1 mL of the squeezed solution was measured, and the number of bacteria after operation was obtained. The quotient of (the initial number of inoculated bacteria) / (the number of bacteria after the operation) was obtained, and the logarithm with 10 as the base was defined as the sterilization activity value.
That is, the sterilization activity value is calculated by the following formula. A larger value in the table means higher disinfection.
Bactericidal activity value = Log 10 [(initial inoculum count) / (number of bacteria after operation)]

<Evaluation of detergency>
A commercially available new sponge (115 mm × 75 mm × 35 mm flexible absorber, trade name: Kikuron, distributor: Kikuron Co., Ltd.) is rinsed with tap water adjusted to 30 ° C., and the content of tap water is about 10 g. After the sponge was squeezed to 1 g, 1 g of the detergent composition for cleaning dishes or cooking utensils shown in Table 1 and about 20 g of tap water were soaked. The total of the tap water content after squeezing and the soaked tap water content was 30 g. A sponge soaked with a detergent composition for cleaning dishes or cooking utensils on a model-stained tableware prepared in advance was bubbled with a hand two or three times, and then the model-stained tableware was scrubbed. The model soiled tableware was a ceramic dish having a diameter of 200 mm in which 1 g of a mixture of beef tallow and rapeseed oil mixed to a mass ratio of 1: 1 was uniformly applied. The tap water adjusted to 30 ° C. was rinsed with running water at a flow rate of 4 L / min for 30 seconds to determine the number of dishes that were washed, and the washability was evaluated based on the number of dishes that were washed. It was judged that the plate could be washed when the plate after rinsing had no null.

The components in Table 1 are as follows. In Table 1, the number in parentheses of the component (A) is mass% in terms of zinc ion. In Table 1, the mass ratio (B) / (A) is [mass of component (B)] / [mass of component (A) in terms of zinc ion].
・ Zinc sulfate: ZnSO ₄ · 7H ₂ O
Amine oxide: an amine oxide type surfactant (N-) in which R ^1b is a linear alkyl group having 12 carbon atoms, n is 0, R ^3b and R ^4b are alkyl groups having 1 carbon atom in the general formula (B1) Lauryl-N, N-dimethylamine oxide)
Alkyl glucoside: In general formula (C1), R ^1c is a linear alkyl group having 12 carbon atoms, x is 0, G is a group derived from glucose, and the degree of glucose condensation y is 1.3 on average. Type surfactant / polyoxyethylene (21) lauryl ether: in the general formula R—O— (EO) _n —H 2, R is an alkyl group having 12 carbon atoms, EO is an ethyleneoxy group, and EO average Nonionic surfactant having an addition mole number n of 21: polyoxyethylene (7) alkyl (sec-C12-C14) ether: in the general formula R-O- (EO) _n- H, R is a carbon number of 12-14 A secondary mixed alkyl group, EO is an ethyleneoxy group, and EO has an average added mole number n of 7; LAS-S: a linear alkyl group having 12 carbon atoms Alkylbenzenesulfonic acid

Example 9
In the evaluation of the sponge disinfection property of Example 3, as a result of leaving at 25 ° C. for 5 hours instead of leaving at 25 ° C. for 18 hours, the disinfection activity value was 4.8.

Claims (5)

  (A) Zinc or a salt thereof (hereinafter referred to as “component (A)”) in terms of zinc ion is 0.02% by mass or more and 0.7% by mass or less, (B) an amine oxide type surfactant [hereinafter referred to as (B) 4.5% by weight or more and 22% by weight or less, and (C) alkylglycoside surfactant (hereinafter referred to as “component (C)”) in an amount of 5% by weight or more and 22.5% by weight or less, A cleaning composition for washing dishes or cooking utensils, wherein the content of an anionic surfactant is 3% by mass or less.   The ratio of the mass of the component (A) in terms of zinc ion to the mass of the component (B) is [mass of component (B)] / [mass of component (A) in terms of zinc ion] of 40 or more and 200 or less. The cleaning composition for washing dishes or cooking utensils according to claim 1.   The cleaning agent for washing dishes or cooking utensils according to claim 1 or 2, wherein the component (A) is at least one selected from zinc sulfate, zinc nitrate, zinc gluconate, zinc tartrate, zinc chloride and zinc perchlorate. Composition.   The sterilization method of the cleaning tool of tableware or a cooking utensil which applies the cleaning composition for tableware or cooking utensil cleaning of any one of Claims 1-3 to the cleaning tool of a tableware or cooking utensil.   The method for disinfecting a tableware or cooking utensil cleaning tool according to claim 4, wherein the cleaning tool is allowed to stand for 4 hours or more after application of the composition.