The reason why the gastrointestinal part of the king crab is inedible is related to the growth environment of the king crab. The king crab is a creature growing in the deep sea, which is at a relatively low position from the surface. When it preys in the deep sea, it is inevitable to suck some metals and soil pollution, leaving a lot of bacteria. Once the stomach and intestines are not filtered cleanly, it is easy to cause metal residues.
In addition, the yellow stripes in the king crab may be gills or pancreatic organs, not crab yellow, so you can't eat them. King crab belongs to sea crab and has no crab yolk.
No matter whether it is male or female, the soft Huang Dou is actually the dirty pancreas of crabs, and the hard yellow of the female crab is the gonad, so don't eat yellow strips or yellow organs in the king crab, just eat legs.
Extended data:
In western countries, king crabs are eaten without crab paste and crab roe, because crab paste and crab roe are not full, or even crab roe is less, if not in the breeding season.
The king crab is very difficult to catch, and the cost is high. Of course, the nutritional value of crab paste and crab roe is higher than that of crab meat, but it also gathers most harmful heavy metals and organic substances, so the king crab does not eat crab roe.
Strictly speaking, king crabs are not crabs. Generally, crabs are four pairs of feet and a pair of claws, such as hairy crabs and swimming crabs that are eaten on weekdays. King crabs belong to deep-sea crabs, and eating king crabs has become popular in western countries. Western countries pay more attention to eating crab meat than crab roe and crab paste.
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