Friday, November 30, 2012

The sushi includes parasites to give birth to the fish

The sushi includes parasites to give birth to the fish
Esthetic and delicious longevity commandant a lot of people are deep and fascinated, but Japanese find, the sushi contains the small parasite, may cause a kind of serious gastroenteritis called anisakidosis. The research group of medical college of Japan Yokohama university says: "Cases found are increasing constantly, we suspect this is only the corners of an iceberg. " Their report issued on the journal of American intestines and stomach. The report points out, a patient 60 years old of often edible sushi is sent into the hospital after going into a coma, discover after test and have in her small intestine " Angina is blocked " ,Need to have an operation at once. The real parasite expert diagnoses she is caused by larva of ingestion anisaki. They explain, this kind of parasite grows in the mammal (such as the dolphin) Stomach among,but it be lasted fish such as salmonned, mackerelled too, be grown at cod. Generally speaking, cooking can kill it. However, the raw fish's sushi can let the real parasite keep in touch with the digestive system directly, thus initiate serious illness. Study and report: Anisakidosis has already become Japan's main public health problem, there are more than 2000 cases every year. Among them in the most rare and most dangerous situation, the internal immune system attempts to isolate these parasites, and surround, form one it with leucocyte cells. In above-mentioned 60 year old old situation of woman, bulk in being enteric make, greatly, influence, defecate. Boiling or edible sushi boil it in the past (over 60 , one minute) Or freeze (-24 Celsius, over 24 hours) ,Contribute to eliminating anisaki larva. The researcher points out: "Such treatment is mandatory in Holland, so this kind of disease has nearly been eliminated. " However, sushi fans might not welcome such a strick precaution method, because it strangles the deliciousness of the raw fish while sterilizing. Researcher's therefore the suggestion, it is decided that the adventurous sushi fan must guarantee their fish are " it is dealt with that fresh, remove the viscera as soon as possible " . All kitchen utensils must clean carefully after dealing with the raw fish, the sign with the worm on the fish that the cook should check carefully and is given birth to. This kind of small worm is " Can see with the naked eye " (used after an attribute). Fans' sincere advice of sushi is that the researcher gives: "The mackerel or cod if it is the sea area that grows and haunts in the mammal, should avoid eating. " Perhaps this sincere advice is not apt to follow, because the American and Japanese water areas marine mammal's number is in constant growth. The researcher warns too, active that it stops that the vinegar used for preparing the sushi can totally dispel or make the larva, it can survive in the vinegar for up to 51 days. The document the west is quick

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