Shark fin can moisten water, stimulate appetite, eliminate phlegm, eliminate fish accumulation, tonify five internal organs, strengthen waist strength, and benefit deficiency and tuberculosis. Shark fin contains about 80% protein, and also contains minerals such as fat and sugar. Shark fin is a precious cooking material, but its nutritional value is very high. Because protein contained in shark fin lacks an essential amino acid (tryptophan), it is not completely protein.

Shopping tips:

Real shark's fin:

① The shark fin is white before soaking, translucent or nearly transparent after cooking, and its shape is very full.

② Shark fin is rich in collagen and has a tough taste.

(3) True shark's fin is filamentous cartilage in shark's fin, and the fin is terminal, that is to say, one end of true shark's fin should be slightly round and slightly thick, and the other end should be conical and needle-shaped, and fins are connected with each other.

Fake shark fin:

① The color of synthetic vermicelli is golden yellow, even if it is cooked after soaking, it will still appear pale yellow or yellowish brown.

② Synthetic vermicelli is very brittle.

(3) Synthetic vermicelli with artificially cut length not only has no wing meat, but also has segments with general thickness at both ends. Shark's fin is really a very good thing with rich nutrition. Eating it is good for your health, because shark fin contains lipid-lowering, anti-arteriosclerosis and anti-coagulation components, which can prevent and treat cardiovascular diseases; It is also rich in collagen, which is beneficial to nourish and soften skin and mucosa. It is a good beauty food, which can also stimulate appetite, eliminate phlegm, eliminate fish accumulation, tonify five internal organs, strengthen waist strength, benefit fatigue and improve immunity.