Jellyfish is a coelenterate. Jellyfish are umbrella-shaped and float in the water. It is found all over the coast of China. Summer and autumn are the peak seasons for fishing. After taking out, add alum and salt to squeeze dry, take out and drain, and then use salt after washing. Jellyfish are divided into South Jellyfish, East Jellyfish and North Jellyfish. South thorn produced in Fujian and Zhejiang is the best. It is big, light yellow and crisp. East thorn is produced in Yantai, Shandong Province, and can be divided into sand thorn and cotton thorn. Meat contains sand and sand, which is not easy to wash off. Is the cotton prickly meat thick? North thorn is produced in Beitang, Tianjin. It is white and small, crisp and tender, and of inferior quality. The fishing season of jellyfish is generally in summer and autumn.

Efficacy and function of jellyfish skin

1. Iodine supplement: Jellyfish contains many nutrients needed by human body, especially iodine lacking in people's diet, and is an important nutritious food;

2. Lowering blood pressure: It contains substances similar to acetylcholine, which can dilate blood vessels and lower blood pressure;

3. Prevention of atherosclerosis: Mannan gum contained in it has a certain effect on prevention and treatment of atherosclerosis;

4. Prevention of tumor: jellyfish can soften hard mass, clear away heat and resolve phlegm, which is beneficial to tracheitis, asthma, gastric ulcer, rheumatoid arthritis and other diseases and has the effect of preventing and treating tumors; Workers who have more contact with dust, such as hairdressing, textile and grain processing, often eat jellyfish, which can remove dust accumulation, clear the stomach and protect their health.