How to look at bird s nest as a fake, how to distinguish the real from the fake

1. Brush glue bird's nest. Apply fillers such as edible gum to the surface of the bird's nest. Bird's nests that have been brushed with glue generally look shiny on the surface.

It is relatively smooth to the touch, and the wall is seamless and thick. The bird's nest without brushing has an obvious rough hand feeling, and the bird's nest wall has a gap left by picking hairs, and the bird's nest wall is thinner. Nowadays, more and more counterfeiters still brush the pulp, but they will deliberately leave a little gap to come out.

In fact, the techniques of the master who finally shaped the bird's nest in the process of processing are different, some masters like to widen the bird's nest to appear wider, and some masters will have one more shaping process to pinch the bird's nest tighter, so that the gift box will be more beautiful.

2. Bleached bird's nest. Bleaching the bird's nest with a potion. The bleached bird's nest is white in color and uniform in color, because bird's nest is originally a natural food, and the color should be yellow and white, which is very natural. Not every lamp is the same color!

3. Adulterated swallow crushed. Because the bird's nest is no longer complete, it is difficult to distinguish its authenticity, and some unscrupulous traders will mix the real bird's nest with algin, fish skin and other items similar to the bird's nest. This kind of bird's nest is solid white in color, less glossy, coarse and hard, and has a seaweed smell.

The natural bird's nest strips are transparent in color and slightly yellow, shiny, and odorless.

In addition to looking at the appearance and smelling the taste, adulteration can also find obvious differences in the process of soaking, good bird's nest soaking can generally reach 7-8 times, but the soaking of inferior bird's nest will be relatively small. It could be 3-4 times or even less. A good bird's nest is sweet in the mouth and has a fresh aroma of protein.

1: Pure bird's nest is not completely transparent but translucent after soaking or under light. Two:

Natural bird's nest will have a fishy smell and a smell of Trichoderma, so be careful if you smell the potion. Three: Take a small piece of bird's nest, soak it in water and pull it softly, and pull it with a silk strip.

How to distinguish the authenticity of bird's nest?

1. Different shapes: The real bird's nest is an untidy half-crescent, concave into a pocket, with a yellowish-white or gray-white surface, one side attached to the rock is relatively flat, and the other side is slightly raised. False bird's nests are generally hemispherical in shape, with a pale yellow or yellowish-white surface, slightly raised on one side and slightly concave on the other.

2. Internal differences: The inside of the real bird's nest is rough, loofah-like, and small feathers can be seen in the magnified environment; The inside of the fake bird's nest is rough like slag, and the fine feathers are not visible under the magnifying glass, and some even have fur visible.

3. Texture and taste: The texture of real bird's nest is hard and crisp, the section is slightly keratinous, the taste is slightly sweet, and the fake bird's nest is crunchy, fragile and light in taste.

4. Judging after combustion: real bird's nest is slightly cracked when burning, melted and foamed, smokeless, odorless, and gray-white; When the fake bird's nest burns, it cracks and sparks, emits black smoke, has a burning smell, and its ash is a black lump.

1. Bird's nest should be a filamentous structure, and it is not a real bird's nest composed of a piece structure; Pure bird's nest is not completely transparent, but translucent, whether it is soaked or under light**.

2. Smell bird's nest has a unique fragrance, but there is no strong smell. Those with a special smell, fishy smell or greasy taste are fakes.

3. Touch a small piece of bird's nest and soak it in water, and pull it with silk strips after it is soft, the elasticity is poor, and it will break when it is pulled is a fake; Rubbing it with your fingers, it is also a fake if it can be kneaded into a paste without elasticity.

Fourth, burn the dried bird's nest slices with fire, if it is a real bird's nest, it will never produce any violent sound of splashing sparks.

Grade of Bird's Nest:

According to the texture, cleanliness and appearance of bird's nest, it can generally be divided into three levels: official swallow is a top grade, because it only paid tribute to the government in the past, it is called official swallow, there are fewer impurities, the color is slightly yellow and bright, it is like a loofah, it becomes soft after adding water, and it absorbs water and expands about 7 8 times, which is called "hair"; 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.

The above content refers to People's Daily Online-Tips to quickly distinguish between real and fake bird's nests.

There are a lot of people who eat bird's nest, and in recent years, more and more, in addition to celebrities, pregnant women and other commonly used people, stay up late party, women who want to beautify and nourish their beauty have also begun to eat bird's nest.

1. The color of fake bird's nest is very white.

Natural bird's nest is beige, off-white, or even light yellow, the color is not very uniform, some are white, some are yellow, generally the bird's nest is white in the rainy season, and the bird's nest is yellow in the dry season. If the color of the bird's nest purchased is white and beautiful, and it will not change color for a long time, then 100% of it is bleached.

2. The surface of the brushed bird's nest is dense and bright, and the texture is unnatural.

The newly picked bird's nest is with swallow feathers and other impurities, if it is hand-picked, there are generally sparse seams on the surface of the body after picking the hairs. And the rubberized bird's nest meat is impermeable.

In addition to brushing glue, some unscrupulous merchants will also achieve the effect of increasing the weight of bird's nest by sticking and crushing, that is, cheap parts such as bird's nest crushed bird's nest.

There are also some sparse lamps, in fact, they are a lot of hairy swallows, the hairs are picked up after the sparse seams are very large, merchants through bleaching, sticking sticky silk, brushing glue, after shaping, can be made into a big pot to sell, specifically deceive Xiaobai!

3. The smell of fake bird's nest is strong and pungent.

Some bird's nest counterfeiting technology is superb, and it is impossible to see it purely from ** or entity, and it is necessary to distinguish the real from the fake by smell. The smell of real bird's nest has a faint egg white smell or a slight musty smell. The smell of fake bird's nest has the smell of chemical potions, gum or strong fishy smell.

4. The soaking time of fake bird's nest is long, and the hair head is inflated.

Natural bird's nest without brushing glue and not crushing can be soaked in clean water for about 4 hours, and the old bird's nest or bird's nest horn can be soaked for a long time, and can be torn into strips after soaking, and the soaking rate is generally 8-10 times that of dry bird's nest.

The bigger the bird's nest start, the better, some merchants will even advertise that the head is more than ten times, and you can filter it out when you encounter such a business. Because the base part of the bird's nest is the dirtiest, it cannot be completely cleaned after manual picking, so the naturally processed bird's nest, no matter how clean it is, there will be a little bit of bird's nest, which is unavoidable, especially near both sides of the bird's nest horn and the place where there are many cysts at the bottom.

It is mainly distinguished from the appearance, taste, and feel. The shape of the real bird's nest is a filamentous structure, the color is light gray or light yellow, it will smell a faint fishy smell and Xylella, and it will be relatively dry to the touch. The surface of the fake bird's nest will be dense and shiny, the texture will be unnatural, it will smell pungent with a pungent smell of medicine, and it will feel sticky to the touch.

Soak the bird's nest in water, and take out the silk strips to pull after it is soft, if it is elastic, it means that it is a real bird's nest, otherwise, the elasticity is poor, and it breaks when pulled, it means that it is a fake bird's nest.

Fake bird's nest will produce crackling sparks when it burns due to impurities, while real bird's nest will not produce any violent sound and spark splash when burning.

The main components of bird's nest are protein, carbohydrates, a variety of amino acids (including arginine, lysine, cystine, neuraminic acid, etc.), as well as minerals and vitamins such as calcium, iron, and phosphorus.

To distinguish between genuine and fake bird's nests, please grasp the following points:

1.Bird's nest should be a filamentous structure, and it is not a real bird's nest composed of a piece structure; Pure bird's nest is not completely transparent, but translucent, whether it is soaked or under light**.

2.Smell: Bird's nest has a unique fragrance, but no strong smell. Those with a special smell, fishy smell or greasy taste are fakes.

3.Touch: Take a small piece of bird's nest and soak it in water, take the silk strip and pull it after it is soft, the elasticity is poor, and the one that will break is a fake; Rubbing it with your fingers, it is also a fake if it can be kneaded into a paste without elasticity.

Bird's Nest King".

Bird's nest is one of the traditional precious foods that have been eaten since the Ming Dynasty in China, and bird's nest has the best effect on preventing tumors, strengthening the heart and lowering blood pressure, anti-oxidation, anti-fatigue, and respiratory diseases. However, there are now fake bird's nests in the market that are sold as real bird's nests. Here's how we introduce you to how to distinguish the real from the fake bird's nest, so as not to be fooled.

1. Choose the bird's nest on the market is blood bird's nest, white bird's nest, and yellow bird's nest. Yellow bird's nest is very rare; And like white bird's nest, white is better; Like a blood bird's nest, it is better to have a dark red color. When buying, you can see that if it is a complete cup shape, it is better, and swallow strips, swallow cakes, and swallow silk are the second choice, especially if they are full of fakes.

Second, look at the bird's nest is generally half-moon shaped and untidy, there will be a depression in the middle, the texture is hard and brittle, translucent, the section has a mirror-like luster, slightly angular texture. In addition, of course, there will be some feathers in the bird's nest, and the less impurities the better. Real bird's nest is a filamentous structure, if it is flaky and lumpy, it is a fake bird's nest.

Bird's nests are thin and moderately weight, with an average of 6-8 grams per bird's nest.

3. Touching is mainly to judge the dryness and humidity of bird's nest. For bird's nests with high moisture content, bend the ends slightly by hand, and those with low moisture content are not easy to bend.

4. Smell Bird's nest has a relatively light taste when it is dried, and once it is soaked in water, it will have a fragrant fragrance and a faint egg white smell. If the bird's nest has a sour, chemical, fishy or greasy smell, it is a fake.

5. Soaking After soaking the bird's nest, if you press it by hand, it will be completely inelastic or the oil on the water surface after soaking is a fake bird's nest. Then the soaked bird's nest is pulled by its silk strips, and the poor elasticity will be broken as a fake; If you rub it with your fingers, it has no elasticity, and it becomes a paste when you rub it, and it is also a fake; The water discoloration of blood swallow and yellow swallow after soaking is a fake.

Here is the method of identifying Shangguan bird's nest, you can try it:

1. Fake bird's nest.

a.The weight of a single bird's nest of high-quality bird's nest is about grams, and the weight of a single bird's nest is more than 8 grams is very rare;

If the pot weighs more than 8 grams, but the price is low, it is a fake bird's nest.

b.After soaking in water, there is an oily substance floating on the surface of the water, and the water is white and turbid or has mucus;

c.Pasty or regular shape;

d.It has a strong albuminous smell when it is not cooked;

e.There is no faint merinous smell after cooking;

f.Smell of frying or chemical potions;

g.After cooking, the color is white and gray, and it is opaque to light;

h.After boiling, it swells to the original multiple, which is extremely small or large.

2. Real bird's nest.

a.The weight of a single bird's nest is York;

b.The water after soaking in water has no oil stains and no mucus;

c.Simmer for 3-5 minutes;

d.The shape is filamentous, with different lengths and thicknesses or clumps and irregularities; (Dong Yan) eThere is a faint merinous smell after cooking;

f.After cooking, the taste is smooth and tender;

g.When cooked, the color is pale milky yellow, not too white and translucent.