Is the white stuff on the dried sweet potatoes moldy?

If the dried sweet potatoes are moldy and hairy, they are all green and brown hairs. It also smells sour and rancid. If the dried sweet potato is placed at room temperature after drying, the sugar contained in it will penetrate into the surface and form a white frosting sugar, commonly known as sweet potato cream.

The principle of sweet potato frost is exactly the same as that of persimmon frost. Sweet potato cream is not only sweet in taste, but also has many benefits for the human body, and is edible.

1. First of all, when it is exposed to the sun, it must be dried;

2. Completely sealed, not breathable, add a little desiccant when sealing.

3. After sealing, put it in a ventilated, dry and dark place;

4. It cannot be placed in a damp and dark place, and it will also be moldy.

Dried sweet potatoes retain their natural color and quality, the color is yellow and red, the taste is fragrant and sweet, the texture is soft and chewy, and it is also high in glucose and vitamin A

b content. The above content refers to People's Daily Online-White-collar snacks must choose dried purple sweet potatoes are nutritious.

No, it's sugar crystallization. A layer of hoarfrost will appear on the surface of dried sweet potatoes, which is formed by the crystallization of sugar in the sweet potatoes themselves. Dried sweet potatoes contain a lot of glucose and fructose, and when it is dried in the sun, the water gradually evaporates, and the glucose and fructose contained in the pulp penetrate into the skin to form sugar crystals like frost.

The frosted dried sweet potatoes are powdered with icing sugar, which is relatively dry and has the fragrance of sweet potatoes. The moldy dried sweet potatoes look closely at the wisps, and they have a strange smell of mold, accompanied by a damp feeling.

How to save:

After the sweet potatoes are steamed, each piece is cut into three to four slices and placed on the house or in a sunny, dry and ventilated place to dry. After the sweet potato is steamed, the water evaporates slowly, and it takes a long time to dry, so be careful not to get exposed to the rain. After drying, store it indoors in a dry place.

Wash with water before eating and steam.

When the temperature is too low, it may be frozen, forming a hard heart, steaming is not ripe, boiling is not rotten, if the temperature is higher than 18 degrees Celsius for a long time, it will sprout. Therefore, it is best to keep the room temperature at around 15 degrees Celsius. At the same time, it is also necessary to pay attention to prevent the temperature from rising and falling.

Dried sweet potatoes are moldy and white frost is still relatively easy to identify, if it is moldy, it is long hair, some are white and some are green, this hair is very similar to the cotton candy made on the street, and the white frost is granular or powdered, just like white sugar or powdered sugar.

Dried sweet potato, also known as dried sweet potato, is a traditional native product of Liancheng County, Fujian Province and Shandong, and is loved by consumers for its pure natural soft sweetness. Among them, Fujian Liancheng is the largest producer of dried sweet potatoes, accounting for more than 70% of the market share, and was used as a tribute to the imperial palace during the Qing Dynasty.

Dried sweet potatoes retain their natural color and quality, the color is yellow and red, the taste is fragrant and sweet, the texture is soft and chewy, and there is also a high content of glucose and vitamin A and B.

The dried sweet potatoes that are dried at home have a layer of white sweet potato cream on them.

If the dried sweet potato is placed at room temperature after drying, the sugar contained in the dried sweet potato itself will penetrate into the surface and form a white frost, so we will make sweet potato cream. The principle of sweet potato frost is exactly the same as that of persimmon frost. This sweet potato cream is not only sweet, but also has many benefits for the human body.

No. Hoarfrost is the crystallization of dried sugar, and hoarfrost is granular or powdered, just like white sugar or powdered sugar. If it is moldy, it is long hair, some white and some green, and this hair is very similar to the marshmallows made on the street, and it smells of rot.

The dried process of sweet potatoes should not be too long, but it should not be too short, it should be dried for about a month and a half after being cooked and sliced, the sugar content is sufficient, the appearance of sweet potatoes is not good-looking, and the good-looking ones are added with too much sugar pigment, which is not delicious. If the dried sweet potato goes through the temperature difference between hot and cold, the surface is easy to produce sugar crystallization, forming a white icing, which is the same as persimmons.

The difference between dried and moldy sweet potatoes and frosting is different in appearance and taste.

Moldy dried sweet potatoes will have wisps of white and damp, while frosty dried sweet potatoes will have powdery and dry frost; Moldy dried sweet potatoes will have a musty smell and cannot be eaten, while frosty dried sweet potatoes will have a fresh sweet potato flavor and can be eaten directly.

Dried sweet potatoes contain a large amount of fructose and glucose, and when the water evaporates after it is dried, the fructose and glucose in it will penetrate into the epidermis, thus forming a layer of crystals like frost. Dried sweet potatoes are made by peeling steamed sweet potatoes, then cutting them into strips, and waiting for natural drying, which is a traditional native product of Liancheng and Shandong in Fujian. Sweet potatoes not only have medicinal properties, but also edible functions, and are praised by the United Nations as the healthiest food.

If the sweet potato is dried and moldy, it is recommended not to eat it. Because at this time, it means that it has deteriorated, even if there is no abnormality in it, but a large number of bacteria have grown, and there may be carcinogens such as Aspergillus flavus, which may not be a major problem in the short term, but if it is consumed for a long time, it will cause cancer cells to grow in the body, which is a serious danger to health.

Sweet potatoes have dried white mold, indicating that it has deteriorated, and there will be bacteria and other microorganisms in it, and there may be carcinogens such as Aspergillus flavus, although short-term consumption may not cause any major problems, but if it is consumed for a long time, it will cause cancer cells to grow in the body.

Dried sweet potato, also known as dried sweet potato and dried sweet potato, is a traditional native product of Liancheng and Shandong in Fujian, and the raw material is sweet potato. Generally, the whole sweet potato is steamed and peeled, then cut and dried naturally. Flakes or strips, invigorating qi and other edible and medicinal functions, by the United Nations praised as the healthiest food.