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Do you like sashimi or Sushi? If you eat sashimi, you should know about
parasites. Especially chefs who process fish!!!!!
Sashimi, Sushi. Recently, many raw fish are being eaten overseas as well.
However, without proper knowledge, there is a risk of food poisoning. In this
article, I would like to introduce "anisakiasis", a food poisoning that
seems quite risky to me as a chef in Japan, and, to my surprise,
"Anisakis light", which makes such anisakis parasites totally visible.
⚠️This article includes photos of fish being orocessed and parasitic
anisakis. If you are not comfortable with such things, please be
warned.⚠️
What is Anisakis?
Anisakis is a type of parasite that lives in fish and looks like a white worm
about 15 mm long. In Japan, the number of cases of poisoning by anisakis seems
to be increasing recently and has been reported in the news. Although the
parasite cannot normally live in the human body, it can infect humens when
fish parasitized by Anisakis are consumed raw. (Anisakiasis)
Anisakiasis can cause severe abdominal pain, nausea, and in severe cases,
intestinal obstruction. (In rare cases, some people have no symptoms, but in
painful cases, there are rumors that it was more painful than childbirth😱)
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| Anisakis in the guts of fish |
⚠️Freshly caught fish is not safe!!! In fact, freshly caught wild fish are
often crawling with them, so be careful.
Fish that can often see Anisakis
Are you thinking " I can't eat sashimi or sushi anymore!!!" ?? Of course,
all fish are susceptible to Anisakis parasites, but here are some types of
fish that you should be especially careful about.
- Mackerel
- Horse mackerel
- Pike
- Sardine
- Bonito
- Salmon
- Squid
- Atka mackerel
- Cod
- Trout
💡I was working at an izakaya in Japan. I was processing about 100 squid
roast, and most of them were full of anisakis. Fortunately, the squid was
not for raw consumption, so it was safe to say that there were many
parasites not only in the internal organs but also in the meat, and I could
not eat squid for a while.
How to prevent Anisakiasis?
Anisakiasis is an infection caused by eating live anisakis. Let's see how we
can prevent it together!
💡Japan has the highest incidence of food poisoning by anisakis in the
world. However, this does not mean that foreign countries are safe.
Nevertheless, it is a fact that Japan has the highest number of cases. I
hope that you will be careful when you travel to Japan.
💡Skilled Japanese chefs can handle fish quickly with excellent technique
and can remove anisakis almost completely visually, paying close attention
when cutting sashimi.
Soaking in vinegar does not work
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| Battera : marinated in vinegar mackerel sushi |
In fact, many people have the misconception that anisakis is killed by
vinegar and sake. I was surprised in the past when a senior cook told me,
"If you marinate the fish in vinegar for about 3 hours, it will be fine".
That's a horrible misconception!!! Having the correct knowledge is a
necessity for culinary worker. Below are some examples of common
misconceptions. Read through them.
✖ No problem if you marinate it in vinegar.
✖ No problem if you wash it with alcohol.
✖ No problem to be fresh just caught.
✖ No problem if you remove the internal organs right away.(not
perfect)
✖ No problem if you remove it visually.(not perfect)
⚠️These are all incorrect & not perfect, especially when you eat the
fish you catch!!!
Heating and freezing is safe
So how can it be prevented?? The safest way is to heat or freeze the fish.
Heating the fish at
140℉(60℃) or higher for at least 1 minute
or freezing it at
-4℉(-20℃) or lower for at least 24 hours
will completely kill Anisakis, so if the fish has been so treated, you can
eat it with peace of mind.
A professional chef can carefully and visually remove them when handring and
cooking to greatly reduce the risk. (Sashimi is thinly sliced and visually
checked, for example.) However, if the anisakis are deep in the meat, it may
not be possible to find them, so watch carefully before eating.
⚠️How to completely kill it.⚠️
- Heating : 140℉(60℃) or higher for at least 1 minute
- Freezing : -4℉(-20℃) or lower for at least 24 hours
Highlight!! Anisakislight is amazing!!!
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| Image:Amazon canada |
Anisakis is a parasite of some fish. Wouldn't you like to see it with your own eyes? (I wonder if there are any challengers out there....) So, I actually want one!!!!! I would like to introduce a black light that illuminates anisakis "Anisakis Light"!!! (I will definitely buy it on my next temporary return trip!!!)
The Anisakis Light is a black light with 365nm~395nm ultraviolet
light. When you shine this light on the flesh of fish that may have
anisakis, the anisakis, which are difficult to see with the eye, appear to
"glow"!!!
Image : https://www.blaue-reiter.com
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