Seafood mushroom, also known as jade mushroom and spotted jade mushroom, is hypsizygus marmoreus. Crisp texture, delicious taste, with the flavor of sea crab. In Japan, it is called "crab-flavored mushroom" and "seafood mushroom". It is a large saprophytic fungus. In the natural environment, it usually grows on dead or standing trees of broad-leaved trees such as beech in autumn.

Its fruiting bodies are clustered. The surface of the hat is nearly white to grayish brown, and there is often a dark marble pattern in the center. The folds are almost white, and the stalks are curved, from dense to slightly sparse. When the crab mushroom grows horizontally, the stipe is partial, the spore print is almost white, and it is wide oval to nearly spherical. At present, there are two strains cultivated, light gray and pure white. White strains are also called "White Jade Mushroom" and "Jade Dragon Mushroom", which are very popular in the market. Mostly used for industrial cultivation.

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Nutritional value of fresh mushrooms;

Pleurotus eryngii is rich in nutrition, with protein accounting for 14.7%, carbohydrate accounting for 43.2%, fat accounting for 4.3 1% and cellulose accounting for 15.4%. Rich in 18 amino acids. Pleurotus eryngii is a low-calorie and low-fat health food with delicious taste, crisp texture and high nutritional value.

Edible seafood mushrooms also have high medicinal value: 6- 1, 3-D glucan extracted from the fruiting body of seafood mushrooms has high anti-tumor activity, and the polymerase activity isolated from seafood mushrooms is much higher than other mushrooms. The hot water extract and organic solvent extract of its fruiting body have the function of scavenging free radicals in vivo, so it has the unique effects of preventing constipation, resisting cancer, improving immunity, preventing aging and prolonging life.

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