Smell the aroma: When you open the bottle, the natural and fresh egg scent should be evident.Bird's NestIt should contain a fresh egg scent.Look closely: Inspect the color of the bird's nest. Naturally processed bird's nests do not undergo any chemical bleaching; they may have fine black spots and a slightly yellow hue due to the amount of rock sugar used. If you notice that the purchased bird's nest is overly white with no impurities, be cautious.Taste: When opening the jar, the natural taste should not be overly sweet, but rather have a slight bitterness. Unlike eatingSilver Ear, it does not carry such a texture or flavor.Homestory Fresh Bird's Nest is carefully selected and packaged with minimal handling to ensure no chemical preservatives or additives are used; it is purely hand-picked and safe to consume.