What are the grades of bird s nest? How to divide the grade of bird s nest?

According to the texture, cleanliness and appearance of the bird's nest,Bird's nests are divided into official bird's nest, hairy bird's nest and grass bird's nest.

The official swallow belongs to the top grade, because it only paid tribute to the official government in the past, it is called the official swallow, the impurities are less, the color is slightly yellow and bright, it is like a loofah, it becomes soft after adding water, and it absorbs about 7 8 times of water and expands, which is called "hair head"; Mao Yan is the second, with more impurities than Guan Yan, darker color and brightness, worse "hair", and slightly lower value and **.

Grass swiftlets are the lowest in the three categories, and most of them are the second nesting nesters after the bird's nest is harvested, which contains more impurities, and needs to be rinsed and sorted to remove impurities, and the price is also the cheapest.

There is a kind of red substance seeping out of the red rock wall attached to the bird's nest, and the whole body is dark red, called "blood bird's nest" or "red bird's nest", the yield is very small, it is a treasure in the bird's nest, and a few bird's nests have blood streaks, or are caused by the swallow's second nesting, and the natural blood bird's nest production is scarce.

Bird's nests can be divided into the following grades according to their shape: bird's nest, bird's nest, bird's nest horn, bird's nest cake, and bird's nest crush.

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.

Grade identified: Bird's nest is graded according to the amount of saliva it contains. There are more impurities in the feathers, the shape of the nest is more uneven, and the nest is small and thin, which is because the lines of the bird's nest are finer and denser, and the larger and thicker the bird's nest, the better. Choose bird's nest and smell it.

Normally, he is all high, medium and low, as long as he chooses a relatively high transparency, this one will be fine.

Generally, bird's nests can be divided into the following grades according to their shape: bird's nest, bird's nest, bird's nest horn, bird's nest cake, and bird's nest crush.

1. Bird's nest: Bird's nest with stray hair removed and retained in shape is the best grade. The complete bird's nest can also be divided into different grades according to the size of the bird's nest and the raw materials, size of the bird's nest, hair, taste, etc.

2. Bird's nest sticks: Many whole bird's nests are crushed in the process of picking, packing, or transporting to become bird's nests. The bird's nest strips of ginseng source are not the common long swallow strips (swallow silk) in the market, but the wide swallow strips, which can be vaguely seen in the original shape of the bird's nest, full of dryness, and are fragile when they are basically pressed, with tight fibers, high cleanliness, good hair and rich gelatin.

However, due to the fact that it is not a bird's nest, it is still lower than that of a bird's nest.

3. Bird's nest: It is the part of the swiftlet used to fix the two ends of the bird's nest, and it is the "load-bearing beam" of the bird's nest. The swallow horn part is the first part of the swiftlet nesting, with high saliva concentration, hard and thick, not easy to soak, so the soaking time can be longer than that of bird's nest or bird's nest.

4. Bird's nest: The raw material is a bird's nest (nest) with a lot of impurities, which is made of bird's nest silk and bird's nest crushed after manual picking and machine cleaning, and then pressed with a model. During the production process, it is possible to add chemicals to clean and use edible glue to bind.

5. Bird's nest crushed: It is a fine piece of bird's nest that is crushed during picking or transportation, and all parts are broken, so the taste of bird's nest is poor.

Precautions for purchasing bird's nest:

First, the place of origin should be fixed. The place where swiftlet grows affects the quality of bird's nest production, the more impurities such as dust, the darker the bird's nest produced by serious air pollution, the higher the rainwater and forest coverage area of the production area, the better the bird's nest head and the higher the quality. Many well-known bird's nest brands in China are from the above origins.

Second, look at the hair of bird's nest. Bird's nests harvested at different times also have different "hairs".

3. See if the bird's nest is clean. The fewer fine hairs, the better.

Fourth, pick the lamp type. The thinner the head and feet at both ends of the bird's nest, the more beautiful it is.

5. See if the bird's nest is dry and lightweight. It is dry and contains less water as the top grade. High-quality bird's nest should feel dry to the touch. Wetter bird's nests have more moisture and can become moldy if not stored properly.

6. Stewed bird's nest. Good bird's nest is resistant to stewing, and the bird's nest that is hand-picked is not easy to appear watery, and there will be a strong protein fragrance after stewing, which is an important indicator of true and fake bird's nest. Fake bird's nests will not have such a fragrant albumin.

Chemically processed bird's nests tend to turn into watery form if they take too long during the stewing process.

1. Comparison by texture.

1. The "dense, fine, and sparse" of bird's nest cups are distinguished, and the denser ones are classified as top-level bird's nests, and the sparse ones are second-class. Generally, the compact fiber of the complete fiber is the first grade, and the fiber of the incomplete shape is not compact as the second grade.

2. According to the division of the bowl shape, it is better to have a complete and uniform bowl shape.

2. Compare according to the color of bird's nest.

Bird's nest can be divided into white bird's nest and blood bird's nest according to its color. In fact, there is a lot of controversy about comparing the quality of bird's nest with **. A lot of data shows that the bird's nest unique ingredient content of white bird's nest in the first stage is the highest, and the difference between the two is not very large.

However, due to the fact that the production of blood bird's nest is very scarce and has a special texture and taste, sometimes the market ** is slightly higher than that of white bird's nest.

3. Comparison according to the type of bird's nest.

According to the quality of bird's nest, it is divided into official bird's nest, hairy bird's nest, and grass bird's nest.

1. Official bird's nest: The bird's nest in the first stage with a complete shape and few impurities is usually called "official bird's nest" and "tribute bird's nest". This bird's nest is the most nutritious, with few impurities and a good taste. Tradition also has a way of calling the first high-quality white bird's nest as the official bird's nest.

2. Bird's nest: a bird's nest containing more bird's nest, or second and third bird's nests. The nutritional content is not as good as that of the official swallow, and there are many impurities, which is not easy to handle.

3. Grass swiftlet: a kind of bird's nest built in the grass, mixed with a large number of grass clippings, the worst quality.

What are the different types of bird's nest?

According to the "dense, fine and sparse" division of bird's nest, the denser bird's nest is the top bird's nest, and the sparse is the second-class bird's nest, according to the type of bird's nest, it can be divided into official bird's nest, hairy bird's nest, grass bird's nest, and according to the color of bird's nest, it can be divided into white bird's nest and blood bird's nest.

According to the classification of bird's nest types, the shape of the official bird's nest is the most complete, the impurities are the least, and the taste is relatively good, and the grass bird's nest is mixed with a large number of grass clippings, and the quality is the worst.

The yield of blood bird's nest is very rare, and the texture and taste are relatively special, so sometimes it may be slightly higher than that of white bird's nest.

Please take a closer look: 1. According to the quality of bird's nest, the order is divided into blind official swallows, hairy swallows, and grass swallows.

2. Official swallow: The first bird's nest with a dull and bright guess shape and intact ant type, and very simple and less impurities is generally called "official swallow" and "Jianqing Gong swallow". This bird's nest is the most nutritious, with few impurities and a good taste.

3. There is also a traditional way of terminating the high-quality white swallow in the first stage as the official swallow.

4. Wu Dou Mao Bird's Nest: A kind of bird's nest containing more bird's feathers, or the second and third stage bird's nests. The nutrient composition is not as good as that of the official swallow, and there are many impurities, which are not well handled.

5. Grass bird's nest: a kind of bird's nest built in the grass, mixed with many grass clippings, the worst quality.

Preferred Malay bird's nest, after the professional group dust and the team of the ecological base bird's nest management of the bird's nest quality is good, Chang Yan Anju's stewed bird's nest is like this, a hand of bird's nest origin directly picked, return to the quality of fresh first-class bird's nest standard.

Bird's nests are generally divided according to the "dense, fine, sparse" and shape of the bird's nest, the denser and the more symmetrical are classified as the top bird's nest, and the sparse ones are inferior. Bird's nest products can be divided into the following types according to their shape and processing methods:

1. Bird's nest: Workers select nest-shaped or boat-shaped bird's nests from the harvested bird's nests, and then sell them after small plucking. Bird's nests are taken out naturally, so they vary in shape and size.

2. Bird's nest: The strip bird's nest that is broken during the bird's nest harvest or cut out from the bird's nest is basically the same as the bird's nest.

3. Bird's nest cake: The bird's nest that is broken by the workers during harvesting, and the bird's nest is pressed into different shapes (such as diamond, spherical, half-moon, rectangle, etc.).

4. Swallow horn: Swallow horn does not refer to large pieces of swallow pieces. This is a serious mistake! Bird's horn refers to the harder part of the two ends of the bird's nest, and it is also the place where the swallow's saliva is the thickest.

5. Bird's nest: refers to the very fine silk in the bird's nest. Depends on the breed**.

6. Broken swallows: seriously broken during transportation or harvesting. Many times it contains impurities, or it is a mixture of several qualities. The hair is small.

Bird's nest, also known as bird's nest, bird's nest, bird's nest, refers to the saliva secreted by some swifts of the swift family of the swift family and several swiftlets of the genus Swiftlet, and then mixed with other substances to build a nest.

Bird's nests can be divided into two types: "house nest" and "cave nest", cave nest has different colors due to its influence on minerals, there are white nests, yellow nests, red nests, and house nests only have one color, ivory white. Bird's nest is one of the traditional and precious foods that has been eaten in China since the Ming Dynasty.

What are the different types of bird's nest?