The raw material of the frozen soil diced, commonly known as mud nails, sea otters, soil strips and bamboo shoots, also known as sea maggots, sand worms and sea worms, is a kind of link-soft-maggot-like animal that is wild on the beach at the junction of salt and fresh water along the coast, and its scientific name is "Starworm".

The "black earth Qiu" (scientific name is Phascolosoma esculenta, which is different from the worm, but the scientific name of the worm is Sipunculus) for making frozen bamboo shoots is produced in coastal areas of Fujian and coastal beaches of some coastal areas of Zhejiang.

Tuding jelly and Tusun jelly are the same thing, both of which are Fujian specialty snacks with different names.

Extended data:

Nutritional value of starworm

Its edible and medicinal value is recorded in many pharmacopoeias in China. Starworm is cold, sweet and salty. It has the functions of nourishing yin and reducing fire, clearing away lung-heat, tonifying deficiency, promoting blood circulation and strengthening the body, and nourishing kidney and caring skin. It can be used to treat bone steaming hot flashes, night sweats due to yin deficiency, cough due to lung deficiency, chest tightness and excessive phlegm, and women's postpartum milk scarcity. It has effects on treating tuberculosis, cough, neurasthenia, frequent nocturia due to spleen deficiency and kidney deficiency in children.

At the same time, Starworm is a kind of nutritious, rich in protein, various amino acids, trace elements such as calcium, phosphorus and iron, and taurine which can regulate brain function. In addition, Starworm is a high-protein seafood containing various amino acids, so it has the reputation of "beach sausage" and is favored by consumers in Quanzhou and at home and abroad.

"There are winter worms in the mountains and starworms in the sea" embodies the extremely high nutritional value of frozen bamboo shoots. Therefore, in Quanzhou, the origin of frozen bamboo shoots, children can often see the scene of eating frozen bamboo shoots.

Baidu Encyclopedia-Frozen Bamboo Shoots

Baidu Encyclopedia-Earth Frozen