A list of the contents of this article:

How to preserve the lotus root? How to tell if it can still be broken?

1. Look at the skin. If the frontal epidermis of lotus root becomes darker, and there are large black-brown patches on it, this kind of lotus root is bad. Feel the hand. The skin of fresh lotus root is rough and dry and hard, while the bad lotus root feels soft and the tentacles are sticky and greasy. Smell it. Fresh lotus roots can smell more obvious fragrance and soil smell, while bad lotus roots may smell rotten and sour smell.

2. Looking at the epidermis, we can first look at the skin of the lotus root to judge whether it is bad or not. We can judge from the color that the good lotus root is yellow and white, and there are red ones. If the skin color of the lotus root becomes darker, and there are large dark brown patches on it, then it is probably broken.

3. Look at the color in general, a section of lotus root will change color, and the whitened lotus root will be as white as new even after a few days, but after cleaning, the lotus root will quickly deteriorate, yellowing at first, and then blackening the third taste if eating raw is sour, this shows that the lotus root is likely to have been soaked in acid solution.

How to judge the deterioration of lotus root slices

How to tell if the lotus root slice has gone bad? look at the skin. If the frontal epidermis of lotus root becomes darker, and there are large black-brown patches on it, this kind of lotus root is bad. Feel the hand. The skin of fresh lotus root is rough and dry and hard, while the bad lotus root feels soft and the tentacles are sticky and greasy. Smell it.

Color: the normal lotus root color is yellowish brown or with certain black spots, the meat is white, and the skin and meat are brown or black after bad. Smell: Lotus root is a fast underground plant, normal lotus root with lotus root fragrance and soil smell, and bad will begin to appear sour or rotten odor.

The specific methods to distinguish the deterioration of lotus root powder are as follows: 1 see that pure lotus root powder contains a lot of iron and reducing sugar, which is easy to oxidize in contact with air. the color of lotus root powder will change from white to reddish other starches do not have this change, are all pure white or.

How to judge whether the lotus root is bad or not? How to preserve lotus root for a long time?

If we look at the epidermis, we can first look at the skin of the lotus root and judge whether it is bad or not. We can judge from the color that the good lotus root is yellow and white, and there are red ones. If the skin color of the lotus root becomes darker, and there are large dark brown patches on it, it's probably broken.

Color: the normal lotus root color is yellowish brown or with certain black spots, the meat is white, and the skin and meat are brown or black after bad. Smell: Lotus root is a fast underground plant, normal lotus root with lotus root fragrance and soil smell, and bad will begin to appear sour or rotten odor.

Look at the skin. If the frontal epidermis of lotus root becomes darker, and there are large black-brown patches on it, this kind of lotus root is bad. Feel the hand. The skin of fresh lotus root is rough and dry and hard, while the bad lotus root feels soft and the tentacles are sticky and greasy. Smell it. Fresh lotus roots can smell more obvious fragrance and soil smell, while bad lotus roots may smell rotten and sour smell.

What do you think of the lotus root?

1, how to judge the quality of lotus root 1 look at the epidermis. If the frontal epidermis of lotus root becomes darker, and there are large black-brown patches on it, this kind of lotus root is bad. Feel the hand. The skin of fresh lotus root is rough and dry and hard, while the bad lotus root feels soft and the tentacles are sticky and greasy. Smell it.

2. Observe the color: the color of a good lotus root should be natural white or light yellow, with a smooth surface and no spots. If the color of lotus root is too white or too yellow, it may be fumigated by sulfur. This kind of lotus root not only tastes bad, but also harmful to human health. Touch: good lotus root feels solid, the surface is smooth, and there is no sticky feeling. If there is a sticky feeling on the surface of the lotus root, it may be because it has been stored for too long and has begun to rot.

3. The surface is yellow, and there is a fragrance on the fracture. The lotus root treated with industrial acid looks very white and smells sour. The thick and long lotus root body is round and straight, and the node is short. The second section of lotus root from the tip of lotus root is the best. There are many sections of lotus root, pointed more tender, can be mixed and eaten, the middle can be fried, the old can be stuffed with glutinous rice and boiled into sweet-scented osmanthus sugar lotus root.

4. there are no injuries inside and outside: when buying lotus roots, you should first make sure that there are no injuries inside and outside, and pay attention to whether there are obvious injuries.

5. Generally speaking, judging the quality of lotus root needs to be judged comprehensively from many aspects, such as appearance, hardness, smell, section, lotus root node, taste and so on. When buying, we should try to choose lotus root with clean, smooth appearance, no obvious spots and damage, moderate hardness, light fragrance, white and glossy section, closely connected lotus root nodes and crisp and tender taste. At the same time, we should also pay attention to check the packaging and shelf life to ensure that the purchased lotus root is fresh.

6. the methods to identify lotus roots are as follows: relatively large, harmless, non-discoloration, no rust spots, continuous section of the lotus root surface yellowing, where the fracture smells a fragrance of lotus root as a good product. The lotus root, which is very white and tender, may be bleached if you smell the chemical reagent carefully. The lotus root with sediment and rough feeling on the surface is a good product. The surface of the bleached lotus root is very smooth and moist.

How to judge whether the lotus root is broken

1. Look at the skin. If the frontal epidermis of lotus root becomes darker, and there are large black-brown patches on it, this kind of lotus root is bad. Feel the hand. The skin of fresh lotus root is rough and dry and hard, while the bad lotus root feels soft and the tentacles are sticky and greasy. Smell it. Fresh lotus roots can smell more obvious fragrance and soil smell, while bad lotus roots may smell rotten and sour smell.

2. Color: the normal lotus root color is yellowish brown or with certain black spots, the meat is white, and the skin and meat turn brown or black when it is bad. Smell: Lotus root is a fast underground plant, normal lotus root with lotus root fragrance and soil smell, and bad will begin to appear sour or rotten odor.

3. Looking at the epidermis, we can first look at the skin of the lotus root and judge whether it is bad or not. We can judge from the color that the good lotus root is yellow and white, and there are red ones. If the skin color of the lotus root becomes darker, and there are large dark brown patches on it, then it is probably broken.

4. What does it look like when the lotus root is broken? after the lotus root is broken, it will give off a kind of sour taste, which makes people uncomfortable. Its color will also change from white to yellowish. If a long time, it has undergone a serious deterioration, the color will become black. The broken lotus root can not be eaten, because the bad lotus root will produce substances that are bad for the human body, which will make people uncomfortable after eating.

5. Three ways to distinguish between bad lotus root and good lotus root smell: you can't have sour lotus root. Good lotus root with sand, rough skin, close to a fishy smell of soil. But the lotus root soaked with citric acid is white in appearance and slippery to the touch, but it exudes a sour taste. Look at the color: in general, a section of lotus root will change color, and the whitened lotus root is as white as new even if it is placed for a few days.