JPH10212492A - Cleanser composition, and food or raw material for processed food - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cleanser composition excellent in detergent and removing ability against heat-resistant spore bearing bacterium, which is known as a bacterium difficult to remove, high in safety, suitable for removing microorganisms attached to a food, a raw material for a processed food, etc., by including a specific fatty acid monoester of diglycerin. SOLUTION: This cleanser composition includes a fatty acid monoester of diglycerin (e.g. diglycerin monocaprylate) having >=50wt.% purity of monoester of the fatty acid having carbons within the range of 8-16 preferably of 1-40wt.%. The cleanser composition is used by diluting by a diluent. A food or a raw material for a processed food is preferably washed by diluting the cleanser composition with a diluent.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a novel detergent composition and a food or processed food raw material. More specifically, the present invention relates to a detergent composition excellent in washing and removing effects of microorganisms adhering to foods such as vegetables, fruits, cereals, etc. and raw materials for processed foods, and also to a highly safe raw material and raw materials for foods or processed foods.

[0002]

2. Description of the Related Art In recent years, food diversification and health consciousness have become remarkable, and safe and delicious foods and high-quality foods have been demanded, and processed foods with low salt and low sugar content have been widely produced. Since such a tendency is not preferable from the viewpoint of food preservability, the importance of food preservation technology is increasing more than ever, and it can be said that microbial control by washing is one of them. Also,
Eating habits have progressed in the direction of simplification and diversification of cooking, and cooked foods such as cut vegetables, vegetable salads, and sandwiches have come to be used frequently. In the past, salads, etc., which were cooked at home and eaten immediately, take a long time to be eaten after they are cooked by distribution, or because they are cooked in large quantities at once, the raw materials Due to insufficient washing of vegetables, bacterial contamination of these foods, especially prepared foods using raw vegetables, has become a problem.

[0003] Detergents for the food industry, household detergents, and the like are required to be safe because if the detergent remains on the object to be washed, it is highly likely that the detergent will be taken into the human body through eating and drinking. In particular, since food detergents are intended for foods themselves, detergents containing sucrose fatty acid esters and glycerin fatty acid esters as main components are used from the viewpoint of safety. However, these cleaning agents were not sufficiently satisfactory in terms of detergency.

[0004]

SUMMARY OF THE INVENTION The present inventors consider that it is difficult to remove microorganisms adhering to foods and the like by physical or conventional methods, as well as by general viable bacteria. Excellent ability to wash and remove heat-resistant spores,
Further, it is an object of the present invention to provide a highly safe food and processed food raw material, a detergent composition suitably used for food manufacturing equipment, tableware and the like, and a food or processed food raw material.

[0005]

Means for Solving the Problems The present inventors have conducted intensive studies to develop a detergent having the above-mentioned preferable properties, and as a result, as a highly safe substrate, a specific diglycerin monofatty acid ester was used. Detergent composition containing a specific amount,
The present invention has been found to be highly safe and suitable for washing and removing microorganisms adhering to food and processed food raw materials, and has completed the present invention.

That is, the present invention provides: 1. A detergent composition comprising a diglycerin monofatty acid ester having a monofatty acid ester purity of 50% by weight or more, 2. The detergent composition according to the above 1, wherein the diglycerin monofatty acid ester has a fatty acid carbon number in the range of 8 to 16. 3. The cleaning composition according to the above 1 or 2, wherein the composition comprises 1 to 40% by weight of the diglycerin monofatty acid ester. 4. The cleaning composition according to the above 1, 2, or 3, which is used for food or processed food raw materials; A food or processed food material washed with a diluent of a detergent composition containing a diglycerin monofatty acid ester having a monofatty acid ester purity of 50% by weight or more.

[0007]

The specific diglycerin monofatty acid ester used in the present invention has an effect of removing microorganisms attached to food as a cleaning component. Furthermore, the diglycerin monofatty acid ester also has the effect of damaging the surface of bacterial cells adhering to food due to its penetrating power and enhancing the effect of removing bacteria.

[0008] The detergent composition of the present invention is based on a food additive, has high safety, and is excellent in removing general viable bacteria and heat-resistant spores by washing. It is suitable for cleaning raw materials, food production equipment, tableware and the like.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below.

[0010] Glycerin fatty acid esters and polyglycerin fatty acid esters are safe compounds used as food additives.

The diglycerin monofatty acid ester used in the present invention contains the monofatty acid ester in an amount of 50% by weight or more. In general, diglycerin fatty acid ester is obtained by converting diglycerin and a fatty acid without a catalyst or in the presence of a catalyst.
It is obtained by heating and mixing at 0 to 240 ° C. The esterification reaction proceeds along an indiscriminate distribution, and the reaction products include unreacted diglycerin, diglycerin monofatty acid ester, diester, triester, and tetraester as reaction products. When these diglycerin and palmitic acid are mixed and reacted until there is no unreacted palmitic acid, the reaction product substantially has the composition shown in Table 1 below.

[0012]

[Table 1]

The monoester content of the reaction product of diglycerin and fatty acid does not exceed 50% by weight even if the reaction molar ratio is changed.

The diglycerin monofatty acid ester containing 50% by weight or more of the monofatty acid ester used in the present invention can be obtained by a method for removing unreacted diglycerin from an ordinary reaction product (in this method, the monofatty acid ester content is at most 55%). % By weight), a method of fractionating a solvent, a method of molecular distillation, and the like. Known techniques can be employed for the unreacted substance removal method, solvent fractionation method, molecular distillation method and the like.

The diglycerin monofatty acid ester used in the present invention has a fatty acid carbon number in the range of 8 to 16.

In the detergent composition of the present invention, the amount of the diglycerin monofatty acid ester is 1 to 40% by weight. Since the food detergent is usually used after being diluted 100 to 500 times, if the diglycerin monofatty acid ester is less than 1% by weight, a sufficient effect may not be obtained.
Even if the amount of the diglycerin monofatty acid ester exceeds 40% by weight, no further effect is observed.

The detergent composition of the present invention can be added to the detergent composition of the present invention, if desired, by selecting any of the additives used in ordinary detergents as long as the present invention is not impaired. Good.

Such additional components include, for example, polyoxyethylene alkyl ether sulfate, sucrose fatty acid ester, glycerin fatty acid ester, polyglycerin monofatty acid ester, polyglycerin fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and the like.
Surfactants such as propylene glycol fatty acid ester, lecithin, fatty acid monoethanolamide, and polyoxyethylene alkyl ether. Further, water, alcohols, organic acids or alkali salts thereof, and saccharides may be blended as other components. The alcohol may be any alcohol recognized as a food additive, and specific examples thereof include ethanol, propylene glycol, and glycerin.

Organic acids or alkali salts thereof are recognized as food additives, and specifically include acetic acid, lactic acid,
Examples include succinic acid, fumaric acid, oxalic acid, malic acid, citric acid and the like. In addition, examples of the alkali salts include salts such as sodium and potassium.

Examples of the saccharide include sucrose, glucose, sorbitol, dextrin and the like.

Further, a pH adjuster, a foam inhibitor, a fragrance,
Fungicides, antibacterial agents and the like, the form of the composition is powder,
It is not particularly limited, such as a liquid or a paste.

[0022]

Hereinafter, the present invention will be described with reference to examples.
The present invention is not limited to this embodiment. Example 1 After the detergent compositions shown in Table 1 were prepared, each detergent composition was prepared in the same manner as in Example 1.
A 5% by weight aqueous solution was prepared, and the ability to remove general viable bacteria was evaluated as follows.

10 g of lettuce was immersed in 1 liter of a detergent aqueous solution and washed with a stirrer at 500 rpm for 5 minutes. Then, with 1 liter of sterile water, stirrer 5
Two 1 minute rinses at 00 rpm were performed. The number of viable bacteria (general viable bacteria and Escherichia coli) of the washed lettuce was determined by a method according to the Food Sanitation Inspection Guideline (issued by the Japan Food Sanitation Association).

[0024]

[Table 1]

The monoester content (% by weight) of the diglycerin monofatty acid ester in Table 1 is as shown in Table 2 below.

[0026]

[Table 2]

Table 3 shows the results of the above test.

[0028]

[Table 3]

Example 2 The same test as in Example 1 was conducted using 50 g of cucumber instead of lettuce. The results are shown in Table 4.

[0030]

[Table 4]

Example 3 Ten grams of Taisho Kinto beans were added to a 90% aqueous solution of 0.5% by weight of each detergent.
1 in a 500 ml Erlenmeyer flask and shaken at 25 ° C. for 5 minutes. The beans and 90 ml of sterilized water are placed in a 100 ml Erlenmeyer flask and left in a constant temperature room at 35 ° C for 20 hours. Next, under sterile conditions, the beans and 90 ml of sterile physiological saline were finely pulverized with a homogenizer, and the solid content was separated with sterile gauze.
The filtrate was used as a stock solution for general viable bacteria test.

In the case of heat-resistant spores, the filtrate is kept at 85 ° C. and 15 ° C.
After heat treatment for one minute, the mixture was quenched to obtain an undiluted test solution.

According to a conventional method, each test stock solution and each of them diluted 10-fold, 100-fold, and 1000-fold with sterile physiological saline are dispensed in a sterile petri dish (1 ml each), and sterilized at a high pressure beforehand and stored at about 50 ° C. Standard agar medium 15-2
Pour 0 ml into the Petri dish and leave until the medium is completely coagulated. After coagulation, the cells were cultured at 35 ° C. for 2 days, and the number of viable cells was counted according to a conventional method. Table 5 shows the results.

[0034]

[Table 5]

From the results shown in Tables 2 to 5, it can be seen that the foods washed using the detergent composition of the present invention have significantly reduced viable cell counts.

[0036]

By washing with the detergent according to the present invention, the effect of removing microorganisms adhering to vegetables and fruits as raw materials of food or processed food is enhanced, and the effect of preventing bacterial contamination of food or processed food is improved. Get higher.

Claims (5)

[Claims] 1. A detergent composition comprising a diglycerin monofatty acid ester having a monofatty acid ester purity of 50% by weight or more. 2. The cleaning composition according to claim 1, wherein the diglycerin monofatty acid ester has a fatty acid carbon number in the range of 8 to 16. 3. The diglycerin monofatty acid ester according to claim 1,
3 to 40% by weight.
The cleaning composition according to the above. 4. The cleaning composition according to claim 1, which is used as a food or a processed food raw material. 5. A food or processed food material washed with a diluent of a detergent composition containing diglycerin monofatty acid ester having a monofatty acid ester purity of 50% by weight or more.