According to the principle of slow food, the more handmade the food is, the more expensive it is. Bird's nest is a "purely handmade" product, and it is impossible to carry out industrialized production. The fact that it is so rare and expensive also provides unlimited business opportunities for counterfeiters.

It is reported that in 2006, the global production of bird's nest was about 1,000 tons, and the total annual consumption of bird's nest in Hong Kong was about 250 tons, even though the consumption of bird's nest started late in Taiwan, China, the total annual consumption of the market is also more than 1

50n tons. Starting from 2002, the consumption of bird's nest market in mainland China has been growing at a rate of 60% per year, not to mention the medium and high-end restaurants, even a 30 yuan per capita consumption of home-cooked food halls next to the Beijing Institute of Technology, there are swallow, abalone and shark's fins stalls, and it is not an exaggeration to say that "all people are bird's nests". Eaten in restaurants, sold in supermarkets, and added to medicines, such a large market share, by virtue of the hundreds of tons of share from the global market, where to stand up to the many "mouth"?

So, how did the fake bird's nest come out?

Dyed bird's nests: Unscrupulous traders use low-priced white bird's nests to bleach, dye or smoke them into red or yellow to sell them as higher-priced blood bird's nests or yellow bird's nests.

Coated Bird's Nest: Bird's nests are usually found in marigolds, where the surface of the bird's nests is usually coated with flour, egg, fish glue powder, gum powder, gum, paste, or other gelatinous materials. These glue substances are slightly vinegary and will be more turbid and sticky after soaking in water, making the original messy and loose capsule filaments more tightly packed, while the surface of the bird's nest is airtight and reflective, making it less likely to be broken, and maximizing the profit by directly increasing the weight of the bird's nests by 20% to 30%.

Seaweed Bird's Nest: Most of the bird's nests are sold in the market, because the seaweeds are in the form of silk strips, and it is hard to detect them after bleaching and adding them into the bird's nests or bird's nests. The color of seaweed bird's nests is solid white, with less luster, and the texture is coarse and hard