de-parasiting mackerel for sushi
We've bought some fresh sushi-grade mackerel, and would like to make saba sushi from it. We were told that we should treat it with vinegar to kill any parasites.
Some online recipes I've seen recommend a two step process of first salting for 30-40 mins, then marinating in vinegar for 30-40 mins. Others extend the salt step to 3 hours.
Is the salting necessary for de-parasiting? I ask because the fish store guys, who are usually very knowledgeable, didn't mention it. If so, is 3-4 hours really necessary, or is 30-40 minutes more like it?
Clearly I'm eager to eat this fish, but I'd like to play it safe :)
Best Answer
The FDA recommends below, which is how every restuarant I have ever heard of does it as well.
A recent survey of U.S. gastroenterologists has confirmed that seafood-borne parasitic infections occur in the U.S. with sufficient frequency to make preventive controls necessary during the processing of parasite-containing species of fish that are intended for raw consumption...[]..Freezing and storing at -4°F (-20°C) or below for 7 days (total time), or freezing at -31°F (-35°C) or below until solid and storing at -31°F (-35°C) or below for 15 hours, or freezing at -31°F (-35°C) or below until solid and storing at -4°F (-20°C) or below for 24 hours is sufficient to kill parasites. FDA's Food Code recommends these freezing conditions to retailers who provide fish intended for raw consumpution
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Can mackerel be used for sushi?
Mackerel has the longest history in [traditional] edomae-style sushi. It is rich and has a strong flavor. Saba is usually cured for many hours with salt and vinegar before being served as sushi. This technique was developed to avoid food poisoning but has become essential to showcase the skills of a sushi chef.Can I eat mackerel raw?
Blue marlin, mackerel, sea bass, swordfish, tuna and yellowtail are high in mercury, so limit your consumption of these high-mercury raw fish, since mercury in high amounts can affect your nervous system function.Is mackerel safe for sashimi?
With its firm, oil-rich flesh and rich, creamy flavor, Mackerel is a superb species of fish for Sashimi.What is mackerel sushi called?
Ingredients260gcooked sushi rice3strands of chives, finely chopped2fillets of shime saba (marinated mackerel - see ingredients and method below)For the shime saba:1x400g-600gwhole mackerel (filleted by your fishmonger) or 2 fillets (100g each) of mackerel3 more rowsHow to prepare Mackerel sushi step by step. ( Shime Saba )
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Answer 2
You can never be too safe when it comes to fish. Worms and other parasites are nasty business.
I would definitely salt the fish, and would err on the side of caution and salt for the three hours, not just a half an hour. I would then give a half hour in the vinegar.
That is the way I have done it, and indeed seen it done. Best to be safe rather than sorry. I've also known people who have not been safe and paid a rather disgusting price.
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