The so-called "head" refers to a Sima catty (about 0.6 kilograms) in the number of abalone of uniform size, such as 2 heads, 3 heads, 5 heads, 10 heads, 20 heads, etc., the head of the number of fewer means that the abalone's head is larger.
Abalone is a traditional Chinese valuable ingredients, its meat is tender, fresh flavor, ranked one of the eight "sea treasures", known as "the crown of the sea food", is extremely valuable seafood, has always enjoyed a reputation in the international market. Not only that, abalone is rich in nutrients and has high medicinal value. Moreover, the edible part of fresh abalone is 24% protein and 0.44% fat; the dried abalone contains 40% protein, 33.7% glycogen, 0.9% fat and a variety of vitamins and trace elements, which is a kind of high-protein and low-fat food that is very favorable to human body. Abalone is very tasty because it is rich in glutamic acid.