Porphyra itself is not only a delicious food, but also a blind medicinal material. Porphyra is cold and sweet, and has the effect of resolving phlegm and diuresis. Porphyra can provide an enzyme in human body, promote blood circulation, inhibit cell oxidation and play an anti-aging role. At the same time, it can reduce the content of lipofuscin and play an anti-cancer role. Long-term consumption of laver can protect liver cells and reduce hepatotoxin.
Shrimp skin has high nutritional value. In terms of protein content, the content of shrimp skin per 100g is 39.3g, which is much higher than that of aquatic products such as large yellow croaker, yellow croaker, prawn, hairtail and pomfret, and meat products such as beef, pork and chicken. The contents of calcium and phosphorus in shrimp skin per100g were 99 1 mg and 582 mg respectively. Therefore, shrimp skin element is called "calcium bank".