JPS61104762A - Preparation of roasted sweet potato - Google Patents

Abstract

PURPOSE:To prepare roasted sweet potato eatable only by heating, by washing unskinned sweet potato with water, roasting in a pot filled with stones or ash after draining, sealing the roasted sweet potato with a packaging film while it is still hot, and sterilizing the product. CONSTITUTION:An unskinned sweet potato is washed with water (1), drained (2), and roasted (3) in a roasting pot filled with stones or ash. The roasted sweet potato is sealed (4) with a packaging film immediately after roasting while it is still hot. The packaged (4) roasted sweet potato is sterilized (5) with hot water, etc., distributed and put on sale. The packaged roasted sweet potato can be eaten instantly by a consumer after heating in an electronic oven, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing baked goods, and more particularly, to a method for producing baked goods that allows consumers to enjoy the baked goods immediately by simply heating them using a microwave oven or the like.

As is well known, yakimo has been loved by the Japanese people since ancient times. In particular, there is something special about its warm taste, and it is g! It is also good for health, as it contains fiber that is useful for the intestines and helps prevent adult diseases.

However, these days, houses are crowded together, making it impossible to start a fire that would make it easy to roast food, and the cooking stoves in the home are mainly electric or gas-powered. The reality is that consumers are unable to easily make baked goods at home, and must purchase them from stone-grilled shops selling 1M units. Therefore, the reality is that consumers cannot easily eat it whenever they want.

In addition, although the appearance of a stone-baked food stall is elegant, even from the perspective of such a business, the reality is that there is a limit to the number of pieces that can be sold just by selling from the stall, and it is not possible to sell large quantities of stoneware to the market. It is.

The present invention has been made in view of these points, and its purpose is to provide a method for producing baked goods that can be easily enjoyed at home, and that can be sold at medium-sized markets, especially in stores such as supermarkets. Our goal is to provide a method for making pottery that can be done, and...? I. To provide a method for producing grilled foods that does not reduce the original taste of grilled foods.

That is, in the present invention, natural sweet potatoes, that is, sweet potatoes that have not been peeled, crushed, or cut, are washed with water, and then drained 2. In this case, a cloth, etc. You can wipe it off with a dryer, or you can dry it with natural ventilation, or in some cases, you can dry it with forced air. Enter baking step 3. Then, the baked baked goods are left to cool as they are, and are sealed and packaged 4 using a packaging film while the warm food temperature immediately after baking is maintained without lowering the temperature to about room temperature. Afterwards, sterilize with boiling water or the like. After that, it will be shipped and sold in stores.

According to the baked goods produced in this way, consumers can immediately enjoy the baked goods by simply purchasing the packaged baked goods, heating them in a microwave oven, etc., and tearing open the packaging. .

Packaging film used in L sealed packaging 4 Cellulose film, polyethylene film, plyo film, ionomer resin film suitable for vacuum packaging, etc. are preferably used, and transparent ones are preferable. Shrink wrapping that is snug and gives the appearance of a skin is also preferred.

Furthermore, according to the inventor's experiments, the food is thawed by being left at room temperature to protect it from deterioration, and then heated and enjoyed.

[Example 1] I washed 5 sweet potatoes with water and drained them in a colander.

This was placed in a stone oven and baked according to the usual method.

The temperature of the baked goods immediately after baking is so hot that it cannot be held with bare hands, and cannot be handled without using gloves made of thick fabric. Vacuum packaging was carried out while the product temperature was maintained. After vacuum packaging, it was sterilized by immersing it in hot water at nearly 100°C for 3 minutes.

After this was left in the apparatus for 5 days, it was heated in a microwave oven for 5 minutes.

When heated, the moisture in baked goods evaporated on the inner surface of the vacuum packaging film and the steam was adsorbed, and the moisture adhered to the inner surface of the transparent film, making it opaque or translucent. Immediately, the full steam dissipated into the outside air.

The stone-grilled sweet potato itself retained its crisp texture and was delicious.

When five people each ate these five pieces of stone-grilled potatoes, they all judged that the taste was almost the same as regular stone-grilled potatoes.

[Example 2] I washed three sweet potatoes with water and drained them in a colander.

This was placed in a stone oven and baked at room temperature.

Immediately after baking, the stone-baked potatoes are vacuum packaged.
Then, it was sterilized by immersing it in hot water at nearly 100°C for 3 minutes. Then, put it in a freezer at around -5℃ and freeze it for 3
I took it out after a week. First, I left it at room temperature to thaw, then heated it in the microwave and ate it.

When each person ate three pieces of grilled potatoes separately, the taste did not seem to have deteriorated much. There was no deterioration or rot in appearance or texture.

[Comparative Example 1] Three sweet potatoes were washed with water and drained in a colander. This was placed in a stone-grilled pot and roasted in the usual manner. The baked stone baked sweet potatoes were left overnight at room temperature, and the next day, the cold stone baked sweet potatoes were vacuum packaged. This was sterilized by immersing it in hot water near 100°C for 5 minutes.

This was left for 5 days, then heated in a TL microwave and eaten.

No deterioration or rot was found, but when three people ate each piece, they found that it had a little too much moisture and lacked the soft, chewy flavor of stone-grilled meat.

Regarding point 1, once stone-baked potatoes are cooled to room temperature after baking, conditions will arise where bacteria that will attach in an unpredictable manner will easily grow before the next vacuum packaging process. The time required for sterilization using boiling water after packaging must be increased.

In addition, it is thought that the baked stoneware is in a hot state both on its surface and inside, and its structure is also in an expanded state. It is thought that if the tissue is left at room temperature, its tissue will shrink slightly and absorb moisture from the outside air.

Therefore, if the product is vacuum packaged in a cooled state, it is thought that the product will be packaged in a state that has absorbed a little more moisture than the so-called fluffy dryness at the time of baking.

This is considered to be one of the reasons for the deterioration in taste.

As detailed above, this invention involves washing sweet potatoes with water,
After draining, the pottery is baked in a stone pot, sealed and packaged with packaging film while maintaining the temperature immediately after baking, and then sterilized. Therefore, it has various practical advantages, such as being able to provide a method for making baked goods that can be enjoyed easily at home, and also being able to provide a method for making baked goods that can be sold on the market, especially in supermarkets.

[Brief explanation of the drawing]

The accompanying drawings are block diagrams showing the manufacturing process of the present invention.

Claims (1)

[Claims] Sweet potatoes with skin are washed with water, drained, and then baked in a stone or ash oven, sealed and packaged with packaging film while maintaining the temperature immediately after baking, and then sterilized. A method of manufacturing pottery that is characterized by