Oysters collected arbitrarily by individuals are at risk of shellfish toxin poisoning.
Core temperature: 85 degrees; safe if heated for more than 1 minute.
ⓒNewsis Oysters that are in season in winter are rich in nutrients as they are nicknamed the milk of the sea, but they can also cause norovirus that occurs in winter, so caution is needed when consuming them.
According to the Ministry of Food and Drug Safety on the 12th, one of the common routes of norovirus infection in winter is consuming uncooked seafood such as oysters.
In addition, infection can occur between people through contact with an infected person, through feces or vomit of an infected person, or by consuming contaminated water or food. Norovirus can cause acute gastroenteritis with just 10 to 100 particles, so avoiding contact is the best preventive measure.
According to data released by the Ministry of Food and Drug Safety, the number of reports of suspected food poisoning due to consumption of raw oysters and cooked oysters from November 2022 to February 2023 was 542, an eight-fold increase compared to the previous year. There were 68 reports during the same period last year. Additionally, if an individual collects and consumes oysters arbitrarily, there is a risk of not only norovirus but also shellfish toxin poisoning.
Therefore, when consuming oysters, even in the cold winter, if the packaging indicates that they are for heated cooking or cooked, you should heat them at a core temperature of 85 degrees or higher for at least 1 minute before consuming them.
Also, because norovirus is weak to heat, it is safe to eat it cooked in oyster soup, oyster pancake, etc. In addition, it is important to follow preventive rules, such as maintaining hygiene such as washing hands before cooking food, including oysters, and refraining from cooking when suspicious symptoms occur.
Oysters are a food that can be enjoyed both in taste and nutrition when consumed safely. Oysters are rich in minerals and vitamins, so they are helpful not only for adults but also for growing children and convalescent patients. The zinc contained in oysters is an ingredient that produces testosterone, the male hormone, and oysters have dozens of times more zinc than cockles. In addition, taurine, which helps liver cell regeneration, promotes liver function and is effective in detoxification.
Our ancestors also considered oysters to be the best food from the sea. Donguibogam explained that oysters are “the most precious of all foods from the sea” and “they improve the complexion and make the skin beautiful.”
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