Colla is the belly of fish, and it is the dried product of all kinds of swim bladders. Known for its rich gum, it is named Huajiao. Gum is made by draining the swim bladder of big fish. Hua Jiao is not only a famous banquet dish, but also has considerable nourishing function and medicinal value.

air bladder of a fish

From the point of view of traditional Chinese medicine, flower gum has nourishing and dietetic effects. It is made by drying the swim bladder. Sturgeon and large yellow croaker are generally used as raw materials.

Hua Jiao, along with bird's nest and shark's fin, is one of the "Eight Treasures". Collagen is known as "marine ginseng", and its main components are advanced collagen, vitamins and trace elements such as calcium, zinc, iron and selenium.

Lac contains 84.2% protein and only 0.2% fat, so it is an ideal food with high protein and low fat.