1. The longer the bird's nest soaking time is not, the better. The bird's nest soaking time has a great relationship with the type of bird's nest. Usually, cave bird's nest needs to be soaked for 6-12 hours; blood bird's nest needs to be soaked for 12 hours. —24 hours; white swallow needs to be soaked for 4-6 hours; swallow silk needs to be soaked for 2 hours; swallow strips need to be soaked for 6 hours; swallow cake needs to be soaked for 4-6 hours.
2. It is best to use cold water to soak bird’s nests. In fact, it is recommended not to use hot water for soaking bird's nest hair. You can use cold water in summer and warm water in winter. Hot water will destroy the nutritional active protein in the bird's nest; the collagen in the bird's nest will also be affected by high temperature and deteriorate, resulting in a loss of nutrients in the bird's nest and a deviation in taste.
3. Do not use tap water to soak bird’s nests. It is best not to use tap water for soaking bird's nests, because bird's nests are absorbent and tap water contains bleaching powder and other impurities, which are harmful to health when transferred into the human body. Therefore, for the taste and nutrition of bird's nest, it is recommended to use purified water, mineral water or household filtered drinking water.