JPH1189530A - Instant noodles cookable in microwave oven and their cooking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain microwave oven instant noodles, cookable in a microwave oven and capable of simply providing texture and tastiness comparable to those of raw noodles by housing semiraw noodles preservable for a long period, an ingredient and a soup in a heat-resistant expanded resin container. SOLUTION: The instant noodles cookable in a microwave oven are obtained by housing semiraw noodles containing one or more selected from the group consisting of an ingredient consisting essentially of gliadin of wheat gluten and one or more selected from the group consisting of an ingredient consisting essentially of glutenin, gluten, a modified starch, an emulsifying agent, an oil and fat, egg yolk, albumen, a milk protein, thickening polysaccharides, calcium, a humectant, an alkaline aqueous solution of potassium carbonate used in the preparation of Chinese noodles, common salt, ethanol, a bacteriostatic or a fungistatic agent and amino acids, an ingredient and a soup in a heat-resistant expanded resin container. The semiraw noodles are enclosed with one or more of an oxygen scavenger and a sustained alcoholic formulation and has preferably 18-28 wt.% moisture content or 0.94-0.60 water activity. Furthermore, the semiraw noodles are cooked by adding hot water to the instant noodles cookable in the microwave oven and heating the resultant noodles in the microwave oven.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to microwave instant noodles and a cooking method thereof.

[0002]

2. Description of the Related Art Conventionally, many noodles for microwave cooking have been commercially available. For example, "Hong Kong stall ramen"
(Cherry Fresh Foods Co., Ltd.), "Range DE
Noodles (Child Day Co., Ltd.) are sold mainly at convenience stores, but these microwave noodles are hardened with a gelling agent such as gelatin, and cooked noodles are placed directly on them. At the time of cooking, the noodles enter the juice and heat the juice together,
The noodles sucked juice and grew and were not delicious, and could not be stored for a long time.

[0003] Also, there is a microwave noodle described in JP-A-2-286053, but this noodle cannot be stored for a long time.

On the other hand, microwave noodles that can be stored for a long period of time have been proposed in Japanese Patent Application Laid-Open No. Hei 8-275747. However, in order to sterilize raw noodles by heating in a microwave oven, raw noodles are boiled like cooked noodles. There is no delicious taste.

In addition, instant noodles, instant non-fried noodles, instant raw noodles and the like have been put on the market as instant noodles that can be stored for a long period of time, and many proposals have been made. It is different from the taste of raw noodles.

[0006]

As described above, conventionally,
There is no cooked noodle that can be stored for a long time and can be returned deliciously in a microwave oven. Accordingly, an object of the present invention is to provide instant noodles that can be stored for a long period of time and can be deliciously returned in a microwave oven.

[0007]

Means for Solving the Problems The present inventors have conducted intensive studies to achieve the above object, and as a result, by storing semi-fresh noodles, ingredients, and soup that can be stored for a long time in the same container, Enables storage, put those noodles and utensils in a heat-resistant foamed resin container, add hot water, heat the microwave,
It has been found that delicious noodles can be easily obtained by adding the concentrated soup, and the present invention has been achieved.

[0008] That is, the present invention is a microwave instant noodles characterized by accommodating half-life noodles, ingredients and soup which can be stored for a long time in a heat-resistant foamed resin container. Further, the present invention is a method for cooking instant noodles in a microwave oven, wherein hot water is added to a heat-resistant foamed resin container containing such instant noodles and heated in a microwave oven.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The heat-resistant foam container used in the present invention is not limited as long as it can be heated in a microwave oven, and its material, shape and capacity are not limited. For example, after putting hot water (90 to 95 ° C.) into a container, closing the lid, and then performing microwave heating (output 500 w) for 2 minutes, the diameter of the container becomes 2 mm.
High-density foamed polystyrene sheet that does not deform by 0% or more (apparent specific gravity of 0.05 g / cc or more; hereinafter, referred to as heat-resistant styrene paper) or polypropylene foam sheet (the degree of foaming is not limited, hereinafter, polypropylene paper) Etc.) in a bowl shape. Preferably, polypropylene paper having a small deformation rate or an apparent specific gravity of 0.05 g /
This is a bowl made of heat-resistant styrene paper of cc or more in a bowl shape.

The lid may be formed of styrene paper, wrapped, or heat-sealed or shrunk with an aluminum vapor-deposited film or a resin film, and the type is not limited. Preferably, a lid made of styrene paper or a lid shrinked with a resin film is used.

In the present invention, semi-fresh noodles that can be stored for a long period of time refer to semi-dried raw noodles that can be stored for a long period of time. They are noodles having a lower moisture content than ordinary raw noodles, Those enclosing at least one kind are preferably mentioned. It is preferable that the water content is 18 to 28% by weight or the water activity is 0.94 to 0.60.

The method for storing half-life noodles, ingredients, and soup in the heat-resistant foamed resin container of the present invention is not limited. For example,
How to store half-cooked noodles, ingredients, soup packed in separate resin bags, put the raw noodles directly on the ingredients,
A method of storing soup in a separate resin bag and storing an oxygen absorber or sustained-release alcohol preparation, and semi-raw noodles enclosed in a bag with a low oxygen permeability and an oxygen absorber or sustained-release alcohol preparation There can be mentioned a method of storing the thing, the utensil, and the soup, each of which is packaged in a separate resin bag. The latter storage method is preferred.

[0013] The present invention is not limited to a method for making semi-fresh noodles. For example, a method of drying noodles manufactured by a normal noodle-making method until the water content becomes 18 to 28% by weight, a method of making noodles with a water content of 20 to 28% by weight to flour% at the time of noodle-making, and the like. it can. Preferably, it is a method of noodle making and drying in a conventional manner.

Further, after drying in the state of half-cooked noodles,
By performing the heat sterilization at 10 ° C. for 10 to 30 minutes, the noodles can be sterilized without heat denaturation, so that the storage stability can be improved.

[0015] The ingredients used in the present invention and the processing method that enables long-term storage of soups are not limited. For example, drying,
Low temperature retort (60-120 ° C), high temperature retort (12
0 ° C. or higher). Preferably, it is a low-temperature retort treatment.

The half-life noodles of the present invention contain wheat gluten components containing gliadin as a main component, fats and oils, egg yolk, emulsifier, modified starch, etc., for the purpose of improving noodle making properties and restorability at low moisture. It can contain calcium, brine, salt, humectant, amino acid, bacteriostatic component, ethanol and the like for the purpose of improving storage stability. Further, for the purpose of improving the quality of noodles, a component containing glutenin as a main component, gluten, egg white, milk protein, thickening polysaccharide, and the above-mentioned components can be contained.

There is no limitation on the nature, content method and content. For example, liquid, powder and the like can be given as properties. Preferably it is a powder. Examples of the content method include a method of adding to kneading water and a method of mixing with flour. Preferably, those used for the purpose of improving the storage stability, such as thickening polysaccharides, are added to kneading water, and the others are added to flour. Except for the modified starch, the content is 0.1 to 10% by weight based on flour, and the modified starch is an amount that replaces 5 to 50% by weight with wheat flour.

The components of wheat gluten whose main component is gliadin and those whose main component is glutenin are not limited to the extraction method. For example, preferably, an acidic alcohol extraction method proposed by us (JP-A-6-62721), an aqueous ethanol extraction method, an aqueous acetone extraction method, an acidic aqueous solution extraction method and the like can be mentioned. Preferred is an acidic ethanol extraction method.

The type of the modified starch is not limited. For example, there may be mentioned those obtained by using starches such as potato starch, corn starch, tapioca starch, rice starch, wheat starch and the like as raw materials and subjecting them to at least one kind of esterification, crosslinking, oxidation, etherification and the like. Preferably, tapioca starch is subjected to esterification and etherification.

The type of the humectant is not limited. For example, glycerin, propylene glycol,
Sugar alcohols such as sorbitol, sodium lactate and the like can be mentioned. Preferably, a sugar alcohol and sodium lactate are used.

The type of the emulsifier, the thickening polysaccharide, calcium and the like is not limited. For example, examples of the emulsifier include glycerin fatty acid ester, sucrose fatty acid ester, sorbitan fatty acid ester, lecithin, and enzyme-treated lecithin. Examples of the thickening polysaccharide include guar gum, tamarind gum, xanthan gum, agar, gellan gum, locust bean gum, alginic acid and its sodium salt, seaweed extract, pectin and the like. As calcium, phosphates, organic acid salts, hydroxides,
High temperature baked products such as eggshells, animal bones, and oyster shells can be used. Preferred are enzyme-treated lecithin, guar gum, and calcined calcium.

The type of the bacteriostatic agent, amino acid and the like are not limited. For example, examples of the bacteriostatic agent include basic polypeptides such as protamine, polylysine, lysozyme, and nisin. Amino acids include glycine, alanine, glutamic acid, cystine, cysteine and the like. Preferred are basic polypeptides such as protamine and lysozyme, and glycine.

In addition to the above, flours such as buckwheat flour, rice flour, and corn flour; starches such as potato starch, corn starch, tapioca starch, rice starch, wheat starch; animal and plant properties such as soy protein, egg white, and milk protein Proteins; acids such as acetic acid, adipic acid, citric acid, malic acid, lactic acid, phosphoric acid, and carbonic acid, and sodium, calcium, potassium, and magnesium salts thereof; or a combination of two or more thereof can be added.

The method and amount of addition of these flours and starches are not limited, but the addition method is preferably a method of mixing with flour. In addition, the addition amount of these flours is 5 to 80% by weight with the replacement amount of flour.

The addition method and amount of the following animal and plant proteins are not limited, but the addition method includes a method of mixing with flour and a method of dissolving in water, preferably a method of mixing with flour. is there. Further, the amount of the mixture added is 0.01 to 1 with respect to the flour.
0% by weight.

Although the instant noodles of the microwave oven of the present invention are not limited to the cooking method, in particular, according to the following cooking method of the present invention, cooked noodles excellent in the original texture and taste of the noodles by a simple method Can be obtained. That is, this is a cooking method in which the instant noodles as described above are put in hot water in a container and heated in a microwave oven. By using hot water, cooking can be performed in a shorter time, and therefore, the moisture distribution in the noodle strings differs between the surface and the inside, and the original texture of the noodles can be reproduced. That is, in the cooking method of the present invention, the heating of the noodles is different from the heat transfer by hot water that has penetrated into the noodle strings when the ordinary raw noodles are boiled by gas fire, and the noodle strings and the hot water are simultaneously heated and boiled. Can be Therefore, the noodle strings can be boiled while suppressing water absorption, and can be boiled in a shorter heating time than in the case of boiling over gas fire. Therefore, while the growth of the noodles is suppressed, especially in Chinese noodles, etc., it is possible to bring out the unique texture (smoothness),
The original texture of noodles can be sufficiently reproduced.

An example of the cooking method of the present invention will be described. First, remove the lid, take out the half-boiled noodles, ingredients, soup,
Take the raw noodles and the ingredients out of the bag if necessary, put them back in the foaming container, put hot water (80-100 ° C), cover them, or leave them as they are, After heating for about 1 to 3 minutes for thin noodles such as yakisoba, and about 3 to 10 minutes for thick noodles, add soup to make delicious noodles. In addition, a bowl made of earthenware may be used instead of the heat-resistant foamed resin container.

The raw noodles used in the present invention include Chinese noodles, Japanese soba, udon, and pasta.

[0029]

The present invention will be described in more detail with reference to the following examples. In Examples,% is based on weight unless otherwise specified.

Example 1, Comparative Example 1 A heat-resistant styrene paper having a diameter of about 4 mm and a diameter of 18.2 c was used.
m, a heat-resistant resin container (apparent specific gravity 0.057 g / cc) obtained by molding into a bowl shape with a depth of 6 cm and a thickness of 0.2 mm
18.25 inside diameter using a biaxially stretched polystyrene sheet of
A lid having a U-shaped notch for venting steam was provided at four places of an upper lid having a height of 1.5 cm and a height of 1.5 cm.

To 10 kg of semi-strength flour, kneading water in which 60 g of starch and 100 g of salt were dissolved in 3.6 kg of water was added.
Raw Chinese noodles with cutting teeth No. 22 were obtained by a conventional method. This Chinese noodle was hung on a rod and dried at room temperature until the water content was reduced to 24% to obtain a half-life noodle. 120 g of this half-life Chinese noodle and a bag with low air permeability were filled with a sustained-release alcohol preparation (2 g of anti-mold, manufactured by Freund Corporation) and heat-sealed.
A bag was prototyped. Also, 40 servings of commercially available concentrated ramen soup were prepared. Furthermore, 2 pieces of baked pork, 5 pieces of synacic and Impact A (protamine preparation, Asama chemical storage preparation) 0.3g
Was dispersed in a small amount of water and packed in a bag for retort, and heated at 105 ° C. for 20 minutes to prepare 40 pieces.
Separately, 1 g of chopped and dried green onions were placed in a resin bag, and 40 spice powders for ramen of 0.3 g were prepared.

These were put into the heat-resistant resin container one serving at a time, capped, and the whole was shrink-wrapped with a shrink film to obtain 20 servings of instant Chinese noodles in a microwave oven. In addition, as a taste control product, of the above-mentioned formulations, the same formulation was used except that the amount of starch was 100 g, and raw noodles before drying were prepared according to the date of tasting (Comparative Example 1).

The instant Chinese noodles were prepared at room temperature (20 to
32 ° C), and a sensory test was conducted by five panelists every month until after March. A microwave instant Chinese noodle is a heat-resistant resin container in which noodles taken out of a bag, baked pork and cinnamon are put, 350 ml of hot water (95 ° C.) is put, and then a lid is put on a home microwave oven (output 500 W). And heat for 1.5 minutes (boiled), then concentrate soup, spices,
Dried leek was put into the sensory test sample, and a sensory test was performed. Separately, the raw noodle of Comparative Example 1 was boiled in boiling water for 3 minutes, and then put in a bowl containing a soup previously dissolved in hot water.
Sinachiku, dried green onions and spices were added, and used as a control for the sensory test.

In the sensory test, each item was evaluated for hardness, viscoelasticity, smoothness, and flavor on the basis of 10 points, based on the control product of Comparative Example 1. In addition, as a test of water activity and preservability of the instant Chinese noodles in a microwave oven, the change of the general viable cell count of the noodles and ingredients (baked pork and cinnamon) was measured in accordance with the sensory test day.

Table 1 shows the results of the sensory test and the results of the storage test.
Shown in As can be seen from Table 1, the product of the present invention was excellent in preservability, and had a texture that was the same as or better than that of raw noodles, and was flavorful. Further, the water activity of the half-boiled noodle of Example 1 was 0.890.

[0036]

[Table 1] The standard viable cell count was measured using a standard agar medium.
The culture was carried out at 48 ° C for 48 hours.

Example 2, Comparative Example 2 Containers, ingredients, concentrated soups, spices used in Example 1
Dried chopped green onions were prepared for 60 servings each. In addition, 120 g of half-cooked Chinese noodles obtained in the same manner as in Example 1 and an oxygen absorber (2 g of Ageless, manufactured by Mitsubishi Gas Chemical) were placed in a resin bag with low gas permeability and sterilized in a steam oven at 85 ° C. for 20 minutes. Then, 30 servings of half-raw noodles were obtained.

These foods were placed in the heat-resistant resin container one serving at a time and shrink-wrapped with a thick (0.15 mm) shrink film to obtain 30 servings of instant Chinese noodles in a microwave oven. In addition, as a taste control product, the same formulation was used except that the amount of the starch was changed to 100 g among the above-mentioned formulations, and raw noodles before drying were prepared according to the date of tasting (Comparative Example 2).

The instant noodles were prepared at room temperature (20 to
32 ° C.), and a sensory test was conducted by five panelists every month until after May. A microwave instant Chinese noodle is a heat-resistant resin container, noodles taken out of a bag, baked pork, cinnamon, and then 350 ml of hot water (95 ° C.). And heated for 2.5 minutes (not brought into a boiling state), and then concentrated soup, spices and dried green onions were added to prepare a sensory test sample, and a sensory test was performed. Separately, the raw noodles of Comparative Example 2 were boiled in boiling water for 3 minutes, and then put in a bowl containing a soup previously dissolved in hot water, and then put the syrup and dried green onions and spices as control products for a sensory test. A sensory test was performed.

In the sensory test, the hardness, viscoelasticity, smoothness and flavor of the noodles were evaluated on the basis of the control product of Comparative Example 2 on the basis of a 10-point scale. In addition, the water activity value of the instant noodles in a microwave oven and the preservation test were used to measure the change in the general viable cell count of the noodles and ingredients (baked pork and cinnamon) according to the sensory test date.

Table 2 shows the results of the sensory test and the storage test.
As can be seen from the results, the product of the present invention was excellent in storage stability and had the same texture and flavor as the raw noodles.

[0042]

[Table 2]

Example 3, Comparative Example 3 A heat-resistant styrene paper having a diameter of about 4 mm
m, a 6 mm deep bowl-shaped heat-resistant resin container (apparent specific gravity 0.03 g / cc) laminated with a 0.3 mm thick polypropylene sheet and a 0.3 mm thick aluminum laminated film for lid Was prepared.

The ingredients used in Example 1, concentrated soup, spices, and dried chopped leek were each prepared for 60 servings. 7.3 kg of semi-strong flour, 2 kg of hydroxypropylated tapioca starch, Glia A (Gliadin manufactured by Asama Kasei) 300
g, powdered oil and fat 300 g, egg white powder 100 g, baked egg shell calcium 20 g, mixed with 60 g of millet, salt 10
Kneading water obtained by dissolving 0 g in 3.6 kg of water was added, and raw Chinese noodles with cutting teeth No. 22 were obtained by a conventional method. 100 g of this half-life Chinese noodle and one sustained-release alcohol preparation used in Example 1 were placed in a resin bag and heat-sealed to prepare 30 servings.

The above semi-cooked Chinese noodles are put directly into the above-mentioned container, and then the bag containing the ingredients, concentrated soup, spices and dried chopped onion is heat-sealed with the aluminum laminated film. Obtained. In addition, raw noodles were obtained with the same composition as in Comparative Example 1 (Comparative Example 3).

The instant Chinese noodles were prepared at room temperature (20 to
32 ° C.), and a sensory test was conducted by five panelists every month until after May. The instant noodles other than the noodles are taken out of the container, 350 ml of hot water (95 ° C.) is put in, and the tools taken out of the bag are put in. Then, without using the lid, a household microwave (output 500 w) is used. The mixture was heated for 5 minutes (not brought into a boiling state), and then concentrated soup, spices and dried green onions were added to prepare a sensory test sample, and a sensory test was performed. Separately, the raw noodles of Comparative Example 3 were boiled in boiling water for 3 minutes, and then put in a bowl containing a soup previously dissolved in hot water. At the same time, a sensory test was performed.

The sensory test was carried out in the same manner as in Example 1 on the basis of the control product of Comparative Example 3, and the storage test was carried out in the same manner.

Table 3 shows the results of the sensory test and the storage test. As can be seen from Table 3, the product of the present invention was excellent in preservability, and had the same texture or taste as that of raw noodles.

[0049]

[Table 3]

Example 4, Comparative Example 4 6.3 kg of strong wheat flour, 3 kg of buckwheat flour, and Glia A400
g, powder mixed with 300 g of glutenin (made by Asama Kasei), kneaded water prepared by dissolving 200 g of salt in 3 kg of water,
Raw buckwheat of incisor No. 20 was obtained by an ordinary method. This raw buckwheat was hanged on a rod and dried at room temperature until the water content became 20%, to obtain semi-raw noodles. 120 g of this raw buckwheat buckwheat and an oxygen scavenger (2 g of Ageless) were placed in a non-breathable bag and heat-sealed.
Twenty bags were sterilized in a steam oven at 0 ° C. for 15 minutes. In addition, 40 servings of commercially available concentrated buckwheat juice were prepared. Further, forty 1 g of chopped and dried green onions were put in a resin bag and forty 40 pieces containing 0.3 g of Shichimi powder were prepared.

Each of these was placed in the heat-resistant resin container one serving at a time, and covered with the shrink film used in Example 2 to obtain 20 servings of instant Japanese soba in a microwave oven. In addition, as a sample for taste control, glial A and glutenin were replaced with wheat flour, and the other components were the same, and the raw soba before drying was prepared according to the date of tasting (Comparative Example 4).

[0052] The resulting instant Japanese soba was stored at room temperature (20-32 ° C).
A sensory test was performed until a month later. For the instant Japanese soba microwave oven, take out everything from the container, put the noodles out of the bag back into the container, put in 350 ml of hot water (95 ° C), and heat for 2 minutes in a household microwave oven (output 500 w) without opening the lid. (It does not become a boiling state.) Then, a sensory test was performed by adding a concentrated buckwheat juice, shichimi, and dried chopped green onion as a sample for a sensory test. Separately, boil the raw buckwheat of Comparative Example 4 in boiling water for 3 minutes, put it in a bowl containing buckwheat juice previously dissolved in hot water, add dried chopped green onions, and Shichimi to serve as a control product for a sensory test,
At the same time, a sensory test was performed. A sensory test, measurement of a water activity value, and a storage stability test were performed in the same manner as in Example 1.

Table 4 shows the results. As can be seen from Table 4, the product of the present invention was excellent in preservability and had the same texture and flavor as raw soba. The water activity value of the noodles was 0.881.

[0054]

[Table 4]

Example 5, Comparative Example 5 7.4 kg of neutral flour, 2 kg of acetate-esterified phosphate-crosslinked tapioca starch, 300 g of glial A, 300 g of powdered fat and oil
Was mixed with kneading water prepared by dissolving 200 g of salt and 300 g of sorbitol in 3.4 kg of water, and a 1.5 mm-thick noodle band was cut with a cutting tooth No. 10 by a conventional method to obtain a raw udon. This raw udon was hanged on a rod and dried at room temperature until the water content became 24% to obtain a half raw udon. 100 g of this half-life udon and an oxygen scavenger (2 g of Ageless) were placed in a bag with low air permeability, heat-sealed, and sterilized in a steam oven at 80 ° C. for 15 minutes to produce 20 sacks. In addition, 40 servings of commercially available concentrated udon juice were prepared. Further, forty 1 g of chopped and dried green onions were put in a resin bag and forty 40 pieces containing 0.3 g of Shichimi powder were prepared.

Each of these was placed in the heat-resistant resin container one serving at a time, covered with the shrink film used in Example 2, and 20 servings of instant udon were prepared. Also,
As a taste control product, glial A and glutenin were replaced with wheat flour in the above-mentioned formulation, and the other formulations were the same, and prepared in accordance with the day of tasting raw udon before drying (Comparative Example 5).

The resulting instant udon was heated at room temperature (2
0 to 32 ° C), and a sensory test was conducted by five panelists every month until after March. The microwave instant udon takes out everything from the container, puts the noodles out of the bag back into the container, puts 350ml of hot water (95 ° C), and heats it for 5 minutes in a household microwave (output 500w) without lid ( Then it will not be boiled) and then concentrate udon soup, shichimi,
Dried chopped green onions were put in, and a sensory test was performed as a sensory test sample. Separately, boil the raw udon of Comparative Example 5 in boiling water for 9 minutes, put it in a bowl containing udon juice previously dissolved in hot water, add dried chopped green onions, and savory, and use it as a control product for a sensory test.
At the same time, a sensory test was performed. The storability and water activity were also measured in the same manner as in Example 1.

Table 5 shows the results of the sensory test and the storage test. As can be seen from Table 5, the product of the present invention has excellent storage stability,
The flavor was as soft and full of softness as udon. The water activity value was 0.894.

[0059]

[Table 5]

[0060]

According to the present invention, long-term normal temperature storage is possible,
It is possible to provide instant noodles having the same texture and taste as raw noodles easily by heating in a microwave oven, and to provide a cooking method thereof.

Claims (6)

[Claims] Claims 1. Instant noodles in a microwave oven containing semi-life noodles, ingredients and soup that can be stored for a long time in a heat-resistant foamed resin container. 2. The instant noodles according to claim 1, wherein the heat-resistant foamed resin container is a heat-resistant polystyrene or polypropylene foamed container. 3. The half-life noodles are wheat gluten gliadin-based component and glutenin-based component, gluten, modified starch, emulsifier, oil and fat, egg yolk, egg white, milk protein, thickening polysaccharide, calcium, Moisturizer, brine, salt,
The instant noodles according to claim 1 or 2, comprising at least one selected from the group consisting of ethanol, bacteriostatic components and amino acids. 4. A half-life noodles that can be stored for a long period of time is an oxygen scavenger,
The instant noodles according to any one of claims 1 to 3, which are half-life noodles enclosing at least one kind of sustained-release alcohol preparation. 5. The instant noodles according to claim 1, wherein the half-life noodles have a water content of 18 to 28% by weight or a water activity of 0.94 to 0.60. . 6. A method for cooking instant noodles, comprising adding hot water to a heat-resistant foamed resin container containing the half-life noodles according to claim 1 and heating in a microwave oven.