Is it normal for the bird s nest to have a musty smell when you buy it?

The first thing to do is to confirm whether the bird's nest is musty, the normal taste of bird's nest is fishy (from marine food), sawdust (from the nesting wooden house), and moist (from the damp smell of the bird's nest).

After mold and mycotoxins contaminate food, there are two main harms: food deterioration caused by mold and poisoning caused by toxins produced by mold. Mold contamination of food can reduce the edible value of food, or even make it completely inedible, causing huge economic losses.

At present, there are more than 200 kinds of known mycocins, different molds have different toxin production capabilities, and the toxic effects of toxins are also different, which can be divided into liver toxicity, kidney toxicity, nerve toxicity, cytotoxicity and similar sex hormone-like effects according to their chemical properties.

It is normal for bird's nests to have a musty smell. If it is slightly gray, it can be gently brushed off with a brush. If it's all dark gray, you can't eat it.

When you suspect that the bird's nest has expired, you may suspect that the bird's nest is moldy. At this time, you need to confirm whether the bird's nest has a musty smell. First of all, it is necessary to confirm whether the bird's nest is moldy.

The normal smell of bird's nest is fishy (from seafood), sawdust (from the nesting wooden house), and moist (from the moist air of the swallow house). Just stewed, the taste is very fragrant, and the better quality Zhanyan has just been stewed, and the egg whites taste very fragrant. If it is confirmed to have a musty smell, be sure to consume it with caution.

When food is contaminated with mycotoxins, there are two main hazards: food spoilage caused by mold and poisoning caused by toxins produced by mold. Contaminated food can reduce the edible value of the food, or even make it completely inedible, causing huge economic losses.

There are more than 200 known mycotoxins. Different molds have different virulence and potencies. According to its chemical properties, it can be divided into hepatotoxic, nephrotoxic, neurotoxic, cytotoxic and similar sex hormone-like effects.

Therefore, the moldy bird's nest can only be cut and thrown away, and the rest can be eaten normally. If you feel that the remaining parts that are not moldy are still wet, you can put them in the air conditioner and blow them overnight, and the moisture will disappear.

Abnormal. Check whether there are black spots on the surface of the bird's nest, if not, it is not the musty smell caused by the mold of the bird's nest itself, and consumers can eat it with confidence. If the bird's nest has a pungent or ammonia smell, there is a possibility of chemical bleaching, and consumers should stop eating it immediately.

Bird's nest refers to the saliva secreted by some swifts of the swift family and several swiftlets of the genus Swiftlet, mixed with other substances.

Also known as bird's nest vegetables, bird's nest roots, bird's nest can be divided into "house nest" and "cave swallow" according to the place of nesting, cave nest because of its mineral influence causes different colors, there are white bird's nest, yellow bird's nest, red bird's nest, and house nest only ivory white a color. The so-called "blood bird's nest" on the market is said to be made by artificially bred house nests through the "guano fumigation method".

Related information

The nutritional value of bird's nest is very limited, and the cost performance is extremely low. If you usually eat a moderate amount of meat, eggs, milk, and seafood, it is enough to obtain all the nutritional value that bird's nest can provide. Yun Wuxin, Ph.D. in Food Engineering from the Department of Agriculture and Biology at Purdue University in the United States, and Wang Feng, director of the Nutrition and Food Hygiene Teaching and Research Department of the Fourth Military Medical University in China, both told reporters.

Taking protein as an example, bird's nest is not as "high-quality" as eggs and milk. From the perspective of meeting the needs of the human body, the amino acid composition of bird's nest is not good, and the nutrients it can provide are incomplete protein, and the benefits to the human body are not as good as eggs and milk. Ji Lixia, director of the China Food and Nutrition Safety Committee, also told Science and Technology Life that modern medical research has confirmed that bird's nest contains protein, trace elements and amino acids.

The smell of bird's nest moldy is a normal taste, generally bird's nest has a moldy taste, if the quality of bird's nest is checked whether there is a change, it depends on whether there are black spots on its surface, if not, you can take it normally. Bird's nest has a very rich nutritional value, which can delay aging, enhance immunity, beautify and nourish the skin, improve skin problems, and eat bird's nest for at least a month to have an effect, but some people eat it for three or four months, and the effect is not obvious, which varies from person to person.

It is not normal for bird's nest to have a mildew smell, normal bird's nest will not have a mildew taste, and if there is a mildew smell, it has deteriorated, so don't eat durian again, not only has no health benefits, but also may harm the health of the liver.

If the bird's nest has a moldy smell, it means that it has deteriorated and cannot be used, which is abnormal. It should be thrown away as soon as possible.

Or don't eat it, and the quality of the so-called bird's nest is uneven, so you must choose carefully.

It's not normal, it is estimated that the bird's nest you bought is moldy.

Bird's nest is a precious tonic, and dried bird's nest is recommended to be stored in the refrigerator and sealed at a temperature between 0 3 degrees. Check the bird's nest for moisture at least every 15 days and change the direction of the bird's nest (this will prevent moisture from accumulating). Follow this method to preserve bird's nests, bird's nests can be kept for 3 to 4 years.

If you don't have a refrigerator, you can keep the dried bird's nest in a cool, dry and ventilated place to keep it sealed and protected from sunlight and humid weather.

Bird's nest has long been considered a tonic, and is a nest made by mixing its feathers and saliva with moss, seaweed, and soft plant weaves in the seas of Southeast Asia, such as Indonesia, Malaysia, and Thailand. People take down this bird's nest, and after refining and sorting, it becomes a precious bird's nest.

It is mostly seen in the market bird's nest cake or bird's nest. There are real and fake mixtures, and there are also artificial bird's nests made from 100% bleaching, drying and boiling seaweed. The color is solid white, less glossy, coarse and hard, and has a seaweed smell, while the natural bird's nest strips are transparent, shiny, and odorless.

The mouldy part of the bird's nest can only be cut and thrown away, and the remaining part can still be eaten normally. If you feel that there is still moisture in the remaining parts of the mold, you can leave it under the air conditioner overnight and the moisture will disappear. Do not expose to sunlight.