Bird's nest is divided into white bird's nest and blood bird's nest by color. There is no such thing as snow bird's nest. White bird's nest is actually a color of bird's nest, but it is not all white, and it will be a little yellow inside. It is generally believed that blood swallow is rich in minerals and its nutritional value is higher than that of white swallow, but not all minerals are necessarily beneficial to human body. However, because blood swallows are mostly rust red, white bird's nest is mostly milky white. The color of blood is red, because it absorbed the trace element iron in the rock during its formation, which is the result of a natural change. Blood swallows are rare and expensive, so it will be more cost-effective if they are used by families themselves. Tongrentang and Fulinmen have a good reputation for bird's nest, among which Fulinmen is the most affordable. In fact, the selection of bird's nest, good bird's nest, no matter where it is produced, must have a high dryness, and it will be broken if it is slightly folded. The higher the dryness, the easier it is to store, and it will not be moldy if it is placed in a cool place. Generally, high-quality strips are more than 6 times, and some even reach 8-9 times, depending on the quality, soaking time and technology of bird's nest. The inferior bird's nest, after being treated with liquid medicine or brushing glue, makes the texture of bird's nest destroyed, and it is not easy to foam, and the hair is small, and some even can't foam at all.
. . . . . . . .
. . . . . . . .