Overnight salmon sashimi cannot be eaten.

Fish and seafood are prone to produce protein degradation products overnight, which can damage liver and kidney functions. Green leafy vegetables contain different amounts of nitrates, cooking excessively or put too long, not only the vegetables will be yellow, tasteless, nitrates will be reduced by bacteria into toxic nitrites, have a carcinogenic effect. Cold vegetables due to the processing of the time on the more contaminated, even if refrigerated, overnight is also likely to have deteriorated, should be made now eat.

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Wild salmon has more parasites, with heterotrichous nematodes being the most common, which can easily cause abdominal pain and diarrhea, although saltwater parasites can't survive for long periods of time in the human body. In contrast, farmed salmon may have fewer parasites.

It's worth noting that freshwater-farmed rainbow trout is sometimes used for sashimi, but it carries a far greater risk than salmon. That's because parasites in freshwater fish can survive in the human body, the most common of which is liver fluke.

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