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How to categorize shark's fin?

1, according to the parts:

Row of shark's fins, also known as abalone fins, skirt fins or group shark's fins, such as the five sheep piece, green piece, tooth picking shark's fins and so on up and into, and in the rise of some kind of conforming method, so that the fins needles through the soft periosteum connected together. The good rows of wings are fan-shaped comb-shaped, complete shape, beautiful and generous.

Scattered shark's fins are made from thinner and smaller shark's fins, and the fin pins are separated into a fan-like shape. Row fins are generally thicker and have a thicker periosteum. Shark fins can be divided into dorsal, pectoral, anal, and caudal fins according to where they grow.

The ridge fin (dorsal fin) is taken from the shark's dorsal fin, which is mostly triangular and similar in color to the hook fin, and the ridge fin has shorter pins, which is mostly used for wrapping the fin;

The hook fin (caudal fin) is taken from the shark's caudal fin, which is boneless, and therefore has the highest yield after processing, and the pins are thicker and longer, which is the most expensive, which is mostly used to scatter the fins;

The pectoral fin (pectoral fin) is mostly in the form of a long shape, and has a different color on the two sides, i.e.Yin and Yang. The color of the fins is different on both sides, i.e. yin and yang.

2. According to the color of the fins

there are six kinds of fins: yellow, white, grey, green, black and mixed (yellow-white), among which yellow, white and grey are better.

3, according to the origin and roasting method

freshwater wings, saltwater wings.

Expanded Information:

The main ingredient of shark's fin is protein.

In terms of containing protein, the quality of protein in shark's fin is no better than that of eggs and meat, which contain incomplete protein; and in terms of unsaturated fat, shark's fin, like ordinary sea fish, has no special value. The flavor of shark's fin soup comes mainly from its ingredients, not from the shark's fin itself.

Additionally, according to scientific journals, shark fins and meat contain high concentrations of the neurotoxin BMAA (β-N-Methylamino-L-alanine ), which may cause brain degeneration and movement disorders.BMAA is an amino acid that cannot be metabolized by the body, and after taking it, it accumulates in the brain to continually stimulate neuron receptors, leading to neuron toxicity damage, which can in turn cause lateral sclerosis and Parkinson-like dementia and other brain degenerative diseases.

Baidu Encyclopedia - Shark Fin