It has a special affinity for radioactive substances, and its colloid can promote the excretion of radioactive substances in the body with feces, thus reducing the accumulation and reduction of substances that induce human dysfunction.

2. swim bladder

The swim bladder can nourish kidney and replenish essence. There is a saying in Chinese medicine that "the essence deficient person supplements it with taste", that is, the essence deficient person supplements it with medicine (food) with strong taste. In the Qing Dynasty, doctors' prescriptions for nourishing the middle and lower jiao were mostly heavy and turbid foods such as sea cucumber, swim bladder, abalone and oyster. From a nutritional point of view, these foods can promote the growth and development of germ cells, because they contain a lot of nutrients such as mucin, amino acids, vitamins and trace elements.