1. Appearance: Observing the appearance of sea cucumber, the sea cucumber with good quality usually has smooth surface, uniform color and no obvious unevenness or damage. If it is dry sea cucumber, it looks like it should expand evenly without obvious damage and deformation.
2, smell: smell the smell of sea cucumber, good quality sea cucumber should have a faint ocean smell, no odor or fishy smell. If you smell a strange or pungent smell, it may be that the quality of sea cucumber is poor or improperly preserved.
3. Texture and elasticity: Touch the texture and elasticity of sea cucumber with your hands. High-quality sea cucumbers should be firm, elastic and tough, not too soft or too hard.
4, taste: cook a small part of sea cucumber to try the taste. A good sea cucumber should be tender, delicious, tender and rich in taste. Bad sea cucumbers may taste rough, stiff or unpalatable.
5. Taste: Taste the sea cucumber. A good sea cucumber should taste fresh and sweet, without peculiar smell or fishy smell. Poor quality sea cucumbers may have a light taste or an odor.