2, water absorption method: the water absorption of snow bird's nest is very rich, with very strong water absorption, snow bird's nest is put into the water, probably only need three seconds to do, can increase to more than 30%, due to the water adsorption capacity is very strong, in addition, snow bird's nest is put into the water within a short period of time after the water is limited, the weight of the magnitude of the weight will generally be up to 20% or so, with the naked eye can also be found there are The water droplets can also be found with the naked eye.
3, look at the marigold shape: the real Snow Bird's Nest marigold type is usually very stretchy, and the fiber is loose, but also present filament, cracks are very rich, permeability is also good. If the structure shows silk, but the length and thickness are not the same, and you are also irregular shape, poor permeability, color and luster is not particularly pure, then it is possible that it is not the real Snow Bird's Nest.
4, taste: the real Snow Bird's Nest after cooking will be found to have a kind of protein fishy taste, and the taste is very lubricated, the color is yellowish, not particularly white, and is rendered translucent. Such a color will be dark and light.