Sea cucumber is not only a precious food, but also a valuable medicinal herb. According to "Gleanings from the Compendium of Materia Medica", sea cucumber is sweet and salty in flavor, tonifying the kidney, benefiting the essence and marrow, taking in urine, strengthening the yang and treating impotence, and its nature is warm and complementary, enough to be the enemy of ginseng, so it is called sea cucumber. Sea cucumber has the function of improving memory, delaying gonadal aging, preventing arteriosclerosis and anti-tumor.
But there are many kinds of sea cucumber,
According to the data, there are more than 1300 kinds of sea cucumbers in the world, and there are more than 140 kinds of sea cucumbers in China, and the vast majority of sea cucumbers are not edible. According to statistics, there are 40 kinds of edible sea cucumbers in the world. The edible sea cucumbers in China account for half of them, amounting to 20 kinds. Sea cucumber is distributed in China's Yellow Sea, Bohai Sea junction Penglai sea, Liaoning, Shandong, and Hebei coast, mainly produced in Qingdao, Dalian, Changshan Island, Weihai, Yantai, etc. The fishing period is from November to June every year, especially in June and December, the largest amount of fishing, and the summer hibernation season of sea cucumber is from July to September. Sea cucumbers are classified into two categories: "Spiny Cucumber" and "Light Cucumber" according to whether or not they have conical spines on the back. The "spiny ginsengs" are mainly the species of the family of spiny ginsengs, and the "light ginsengs" are mainly the species of the family of sea cucumbers, melon ginsengs and taro ginsengs.
Among them, the body of spiny ginseng is of high nutritional value, with a thick and soft wall, which is the best quality among sea cucumbers and is known as "the crown of ginsengs".
It is known as "the crown of ginsengs".