Shark's fin, also known as shark's fin, is made by drying shark's fin in the sun. Fins can be divided into dorsal fin, pectoral fin, gluteal fin and caudal fin according to their growth sites. Made of dorsal fin is called ridged wing, dorsal wing or split wing, which has more wings and less meat and the best quality; Made of pectoral fin, called wing wing or upper green wing, with less meat and poor quality; Tail fin and hook tip made of tail fin.

1, shark fin or tail hook; It's called purse-string wing, and its root is made of gluteal fin. Tail fin and gluteal fin have the most meat and the least wings, so the latter two are the worst.

2. Shark's fin contains lipid-lowering, antiatherosclerosis and anticoagulant components, which can prevent and treat cardiovascular diseases;

3. Shark fin is rich in collagen, but its protein is incomplete. Cook with meat, chicken, duck, shrimp, etc. , thus supplementing protein, increasing flavor and freshness, nourishing and softening skin.

4. Applicable people: people with deficiency of qi and blood, malnutrition and weak constitution, as well as patients with various cancers, cardiovascular diseases and immune diseases, are all suitable for eating.

5. When choosing shark fins, it is best to have thick ribs, clean and dry ribs, no mildew, no moth, no oil roots, no sand inclusion and no lime ribs.

6. Shark fin is sweet, salty and flat; Has the effects of invigorating qi, promoting diuresis, stimulating appetite, resolving phlegm, eliminating fish accumulation, nourishing five internal organs, strengthening waist strength, benefiting deficiency and tuberculosis.