Raw Fish Safety (bacteria and parasite education for sushi lovers)

The two risks we need to address to serve fish raw at home are bacteria and parasites. Bacteria ======= When the fish dies, bacteria start decomposing its flesh and multiplying very quickly. Bacteria growth can be minimized by bleeding and gutting the fish immediately after death, and storing it on ice. As the temperature drops, bacteria growth drops off exponentially. Exposing the fish flesh to air introduces more bacteria, so you want to fillet the fish as close to serving raw as possible. To ensure that these conditions are met, buy your fish from a high end fishmonger who has a good turn over, and from a fishmonger who is comfortable answering your questions. Ask the fishmonger when the fish was filleted. If the answer is “today”, you are in good hands. But please don’t panic if the fish came to the store a few days ago. Whole fish can last very well on ice. If you want to eat the fish raw, I suggest you do so within 24 hours after purchase. Keep the fish between ice-packs as soon as it’s in your possession (even in the car and in your fridge). Parasites: ======== Now let’s talk about parasites. Although the kingdom of marine parasites is extremely diverse, the only 3 that you need to worry about are are cod worm, anisakis, and tapeworm. Those can live in mammals, which is you. The other ones can’t, so they are harmless. Fish that are prone to these species of parasites should not be consumed raw (at least not without freezing). Of particular concern are freshwater fish and pacific fish, like wild salmon. The incidence of parasites in some of those fish is as high as 90%. Safe Species: =========== Now that I’ve ruined fish for you, let me assure you that not all is lost. Among wild denizens of the seas, tuna, scallops, and oysters are free from cod worm, anisakis, and tapeworm. Farm-raised fish that are aqua-cultured in huge pools (vs the ocean) are completely parasite free. This includes arctic char, and Mediterranean bass (branzino). Farm raised salmon is raised in cages in the ocean. Whether these fish pose a parasite risk or not depends on how the farm is set up. Since it’s not easy to find out, it’s best to freeze farm-raised salmon before eating it raw. Wrap it tightly in plastic, place in the freezer bag and freeze. 7 days in the home freezer is sufficient to kill parasites. To defrost, move it to the fridge 24 hours before serving. I can’t get a straight answer from any source about parasites in hamachi. But since the only hamachi available to me in Boston is imported from Japan in the frozen state, I don’t need to worry about parasites. Does freezing solve all the problems? =============================== I know what you are thinking -- can’t we just freeze all fish? In sushi restaurants, most fish is frozen, but they have a freezing technology that doesn’t allow water to crystallize. This prevents fish from turning mushy. Freezing halibut, fluke and most other white fish in a home freezer completely destroys their texture. But salmon freezes quite well in a home freezer because it’s fatty. Oh, and by the way, the freezer section in your supermarket is not a good option for raw consumption. Although the parasites in those fish are long dead, the bacteria are not. Freezing pauses bacteria growth, but doesn’t kill bacteria. Most of those fish have been through a lot of transportation. In some cases, they were frozen and defrosted numerous times. Even if they were safe, their flesh is often mushy and the flavor is dull. Cured fish ========= If you like your fish cured in acid or salt, like ceviche or gravlax, keep in mind that unlike heat, acid and salt do not kill parasites. So the same precautions that apply to raw fish, apply to cured fish.

Raw Fish Safety (bacteria and parasite education for sushi lovers) sentiment_very_dissatisfied 47

Raww fishing 8 years ago 41,104 views

The two risks we need to address to serve fish raw at home are bacteria and parasites. Bacteria ======= When the fish dies, bacteria start decomposing its flesh and multiplying very quickly. Bacteria growth can be minimized by bleeding and gutting the fish immediately after death, and storing it on ice. As the temperature drops, bacteria growth drops off exponentially. Exposing the fish flesh to air introduces more bacteria, so you want to fillet the fish as close to serving raw as possible. To ensure that these conditions are met, buy your fish from a high end fishmonger who has a good turn over, and from a fishmonger who is comfortable answering your questions. Ask the fishmonger when the fish was filleted. If the answer is “today”, you are in good hands. But please don’t panic if the fish came to the store a few days ago. Whole fish can last very well on ice. If you want to eat the fish raw, I suggest you do so within 24 hours after purchase. Keep the fish between ice-packs as soon as it’s in your possession (even in the car and in your fridge). Parasites: ======== Now let’s talk about parasites. Although the kingdom of marine parasites is extremely diverse, the only 3 that you need to worry about are are cod worm, anisakis, and tapeworm. Those can live in mammals, which is you. The other ones can’t, so they are harmless. Fish that are prone to these species of parasites should not be consumed raw (at least not without freezing). Of particular concern are freshwater fish and pacific fish, like wild salmon. The incidence of parasites in some of those fish is as high as 90%. Safe Species: =========== Now that I’ve ruined fish for you, let me assure you that not all is lost. Among wild denizens of the seas, tuna, scallops, and oysters are free from cod worm, anisakis, and tapeworm. Farm-raised fish that are aqua-cultured in huge pools (vs the ocean) are completely parasite free. This includes arctic char, and Mediterranean bass (branzino). Farm raised salmon is raised in cages in the ocean. Whether these fish pose a parasite risk or not depends on how the farm is set up. Since it’s not easy to find out, it’s best to freeze farm-raised salmon before eating it raw. Wrap it tightly in plastic, place in the freezer bag and freeze. 7 days in the home freezer is sufficient to kill parasites. To defrost, move it to the fridge 24 hours before serving. I can’t get a straight answer from any source about parasites in hamachi. But since the only hamachi available to me in Boston is imported from Japan in the frozen state, I don’t need to worry about parasites. Does freezing solve all the problems? =============================== I know what you are thinking -- can’t we just freeze all fish? In sushi restaurants, most fish is frozen, but they have a freezing technology that doesn’t allow water to crystallize. This prevents fish from turning mushy. Freezing halibut, fluke and most other white fish in a home freezer completely destroys their texture. But salmon freezes quite well in a home freezer because it’s fatty. Oh, and by the way, the freezer section in your supermarket is not a good option for raw consumption. Although the parasites in those fish are long dead, the bacteria are not. Freezing pauses bacteria growth, but doesn’t kill bacteria. Most of those fish have been through a lot of transportation. In some cases, they were frozen and defrosted numerous times. Even if they were safe, their flesh is often mushy and the flavor is dull. Cured fish ========= If you like your fish cured in acid or salt, like ceviche or gravlax, keep in mind that unlike heat, acid and salt do not kill parasites. So the same precautions that apply to raw fish, apply to cured fish.

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Most popular comments
for Raw Fish Safety (bacteria and parasite education for sushi lovers)

Crystal Libby
Crystal Libby - 5 years ago
Thumbs up just for that introduction.
Nathan Hevenstone
Nathan Hevenstone - 5 years ago
"Safe sushi and safe sex"

...

And this is officially my favorite raw fish safety video ever. I hate that I'm nearly 3 years too late to it...
Sancte Alphonse
Sancte Alphonse - 6 years ago
Thumbs down, cuz you're stoobid! and you have bowl haircut! STOOBID!
Mouse
Mouse - 6 years ago
Great short summary of information Just one concern. To kill parasites it needs to be frozen at -15°C for not less than 96 hours, or -20ºC for 24 hours or -35ºC for 15 hours. It’s hard to be done at home. Also, in companies, they stack the water dripping products on top of each other resulting uncertainty of maintaining the freezing temperatures. Causing some parasites to survive even though it’s frozen before. It’s something that industry needs very strict regulation. Remember Japan is the most country that gets this fish parasites since they eat fresh also. Not sure if other country sushi restaurants are using fresh or frozen. But it is not an easy job and each government needs to step up and make industry or related restauranteurs realize and get educated repeatedly considering how much people are eating sushi and sushi products in the market.

*The US Food and Drug Administration (FDA) on the other hand advises freezing fish at either minus 20 degrees for seven days, or minus 35 degrees until solid and then storing at minus 20 degrees for 24 hours.
Marcus Engel
Marcus Engel - 6 years ago
Absolutely top brass video. Funny intro with a great segue, good editing, compact format, and very very informative. Thanks!
LadyKay1818
LadyKay1818 - 6 years ago
Excellent and informative. Thank you!
Alex Farah
Alex Farah - 6 years ago
Holy bawls she started so meta! Does she write for John Oliver?
chrisddudududu
chrisddudududu - 6 years ago
Shoot...I've eaten raw salmon straight up from the store, none of that ice box from shop to home method, just bought it, took it home in a regular plastic bag, wash and devour FUDGE! am I gonna die?..
Booty Medic
Booty Medic - 5 years ago
Ena I think we lost her
Ena
Ena - 5 years ago
Did you die?
Trace Mitchell
Trace Mitchell - 6 years ago
You shouldn’t eat farmed fish to begin with

10. comment for Raw Fish Safety (bacteria and parasite education for sushi lovers)

Hypocrisy4
Hypocrisy4 - 6 years ago
So... to sum up everything is dangerous if I buy from supermarkets
Hypocrisy4
Hypocrisy4 - 6 years ago
Veeery sexy accent!
not this
not this - 6 years ago
Can I cure fish and freeze it to kill the parasites?
Helen Rennie
Helen Rennie - 6 years ago
yes you can.
Tony Wiltshire
Tony Wiltshire - 6 years ago
Helen thanks for the very informative video. I only have one question. What if the farm raised salmon was previously frozen? Freeze it again?
Tony Wiltshire
Tony Wiltshire - 6 years ago
That's the main reason I asked the questions. Where I live along the S Jersey shore we have no high end trusted sources. Great advice, Ill take a ride with my cooler! Thank you again you are very kind!
Helen Rennie
Helen Rennie - 6 years ago
curing it will help with bacteria, but not with parasites. freezing will help with parasites, but not with bacteria. Are you shopping at a high end fish market or a supermarket? If it's a supermarket like wagman's or whole foods, you might be able to get a very high quality product. At least where I live, those two supermarkets have very good fish. If it's regular supermarket, I wouldn't get anything either fresh or frozen to serve raw. Keep in mind that freezing only helps with parasites. You really don't know how that fish was handled unless it's explicitly labeled that it's intended for raw consumption. Whole foods sells some frozen salmon intended to be used raw. If the people selling you the fish, are not comfortable telling you that you can eat it raw, it's probably not a good idea.
Tony Wiltshire
Tony Wiltshire - 6 years ago
Yes I knew that is never a good idea I just wanted to clarify. So basically you are saying fresh previously frozen high end farm raised salmon is ready to eat raw correct? If it hasn't been frozen follow the instructions in the video. I've been looking at curing the salmon as an extra precaution but I am not really sure what the taste/texture difference would be. Could you enlighten me if you have tried both? I've had smoked salmon many times. Again thank you so much for the lesson.
Helen Rennie
Helen Rennie - 6 years ago
No, never freeze the fish twice. If your salmon was already frozen once that's sufficient to kill parasites.
jon pire
jon pire - 6 years ago
Very good informative video, not really a big lover of raw fish, but hey its trendy and fashionable at the moment and expensive.
JazzyRainyKitty
JazzyRainyKitty - 6 years ago
Thanks for sharing this with us! I was afraid to try sushi at first because one of my friends told me I could get tapeworms, but now I know which fish I can eat with out the risk of getting tapeworm or something similar.
Helen Rennie
Helen Rennie - 6 years ago
good luck with your sushi at home :)
Smokey777
Smokey777 - 6 years ago
You cute. Want to meet up for some raw fish and safe sex?
Skaði Bifröst
Skaði Bifröst - 6 years ago
People are so stuck up about you mentioning sex lmao
Juliana Franca
Juliana Franca - 6 years ago
What a GREAT video! Really well explained. Congratulations!
Summerfunhammybum Smile!
Summerfunhammybum Smile! - 6 years ago
What if I buy it (not sushi grade) and freeze it straight away, will I get a parasite?
Ho Sari
Ho Sari - 5 years ago
So if u freeze it for 7 days parisites will die and also their eggs..i love sashimi..but am afraid of having worms
Helen Rennie
Helen Rennie - 6 years ago
that's fine. You can freeze it yourself for 7 days and that should eliminate the risk of getting a parasite. Just make sure the fish is very fresh.

20. comment for Raw Fish Safety (bacteria and parasite education for sushi lovers)

Wild Cats Life
Wild Cats Life - 6 years ago
Thnx so so so much
Patrice Marie
Patrice Marie - 6 years ago
MADAME: PLEEZEEEEEEEEEEEE .... KEEP YOUR SEX .... OUT OF YOUR RAW FISH SERMON........ SEPARATE ..... DISCUSSIONS ..... PLEASE!
w23857980
w23857980 - 6 years ago
Just chew your sushi, chewing should kill the worm.
Unbias Conspiracy Theory Review
Unbias Conspiracy Theory Review - 5 years ago
w23857980 yessss dr w2
MSWarrior
MSWarrior - 6 years ago
Or break it off into more worms!
silvermark04
silvermark04 - 6 years ago
Thank you!
Dances with Ghosts Quick Spirit Quiet Fox
Dances with Ghosts Quick Spirit Quiet Fox - 6 years ago
But oysters do have worms as well, i pulled certain worms ranging from pea size diameter to almost and inch long and they have small jaw claws you can see
爾靈山
爾靈山 - 6 years ago
They can, but it's rarely an issue with farmed oysters.
HidetoraToujou
HidetoraToujou - 6 years ago
so in a bunch of American chain grocery stores like Walmart/ralphs/Kroger's/albertsons et . it is NOT safe to use the salmon that's advertised as "fresh never frozen" for sashimi/lox/cold smoke right?
Helen Rennie
Helen Rennie - 6 years ago
if it's farm raised, the chance of parasites is very slim. if it's wild, I would never used it for raw dishes without freezing. that being said, I don't know if I'd use walmart's fish for raw preparations. You want fish that was filleted as recently as possible. I doubt walmart's have a fishmonger in every store. their fish was likely filleted 3-4 days before you bought it (that's the best case scenario ;)
Casino Octopus
Casino Octopus - 6 years ago
Does mackerel freeze well?
Casino Octopus
Casino Octopus - 6 years ago
Thanks. I've just seen your mackerel tartare recipe. I will try that in 7 days time.
Helen Rennie
Helen Rennie - 6 years ago
Yes. I've frozen mackerel for a week with no problems.
Denys A
Denys A - 6 years ago
I'm mainly into ahi and yellow tail when it comes to sushi and poke. No mention? Plus, I would never eat any salmon but wild caught Pacific salmon. Always cooked, though, but kinda rare. I buy it frozen solid at Trader Joe's. Never had a problem. I enjoyed this video, mainly because it's a very pleasant video to watch.
Helen Rennie
Helen Rennie - 6 years ago
ahi tuna is yellowfin tuna. yellowtail is not a tuna. it's an amberjack. in japanese restaurants it usually goes by the name of hamachi. fish go by many names :)
Lao Coste
Lao Coste - 6 years ago
I feel better now. Thank you <3
Scott Singley
Scott Singley - 6 years ago
So much easier to just COOK it lol

30. comment for Raw Fish Safety (bacteria and parasite education for sushi lovers)

farzad moshkelani
farzad moshkelani - 6 years ago
Hi,
First of all thank you for your helpful advise, second what will happened for bacteria if I eat raw fish with alcohol
heberildo
heberildo - 6 years ago
Does bacteria grow only on surfaces or also in the flesh? Will salting the surfaces of fish for ~15-20 mins kill most bacteria?
Helen Rennie
Helen Rennie - 6 years ago
ALL bacteria will survive freezing just fine, not "some" bacteria. And only SOME parasites are really harmful. Once your fish has grown enough bacteria, there is nothing you can do besides cook it. if you are worried about parasites, don't eat wild salmon raw. the odds of getting a parasite from farm-raised salmon are VERY low and if you freeze it, that risk goes down even further.
Helen Rennie
Helen Rennie - 6 years ago
I think you are confusing 2 issues. Freezing doesn't kill bacteria at all. It kills parasites. Alcohol doesn't kill parasites. It could slightly reduce the amount of bacteria, but is in no way a reliable method.
Helen Rennie
Helen Rennie - 6 years ago
it all depends on how much bacteria and how much alcohol ;) i wouldn't recommend eating spoiled fish and hoping to make it safe by drinking vodka (wine is way too weak to kill bacteria).
I can’t think of a name
I can’t think of a name - 6 years ago
“Safe sushi”
Alright, this vid is what I’m looking for.
“And safe sex”
...What?
Raven Hound
Raven Hound - 7 years ago
i am interested watching your video it's because your are gorgeous!
AJAB
AJAB - 7 years ago
To basically can I go to my local Tescos buy a massive chunk of salmon and go home and make some really shitty sushi out of RAW salmon that will be a disgrace to sushi chefs all over the globe?
AJAB
AJAB - 7 years ago
I came to watch a sushi video and the first fucking sentence was you comparing sushi to sex.
Alla Uk
Alla Uk - 7 years ago
I have 2 questions: After I make Sushi from home, how many days can it be fresh before it goes bad? 2nd Q, After I finish making fresh Sushi at home, and let's say I want to freeze several what is the best way do you think? Thank you, for any info.
爾靈山
爾靈山 - 6 years ago
The procedure is different depending if it's whole fish, gutted/bled whole fish, fish fillets or already made sashimi/sushi pieces. Temperature it's stored in also matters. With already made sushi/sashimi, it should be eaten/disposed of within 24 hours.
Helen Rennie
Helen Rennie - 7 years ago
sushi rice tastes awful after refrigeration.
Alla Uk
Alla Uk - 7 years ago
What if I don't use the fish. But only avocado and crab meat, with rice and seaweed? Would be wise to leave it in the frigerated for some days or freeze it?
Helen Rennie
Helen Rennie - 7 years ago
Days? sushi should be eaten immediately after making. If you'll be refrigerating your sushi, don't bother making it. Go to Whole Foods and pick some ready to eat bad tasting sushi ;) safety wise, raw fish should be eaten within 24 hours.
MS
MS - 7 years ago
Nice! I just caught 50lbs of fish in bc
爾靈山
爾靈山 - 6 years ago
As a general rule, you should be careful with flatfish. Flatfish are highly prized as sashimi or sushi, but they've got higher risks when it comes to parasites.
Helen Rennie
Helen Rennie - 7 years ago
there are many different freezing technologies. if it was flash frozen for 4 days, it's fine to eat raw.
MS
MS - 7 years ago
Helen Rennie thanks for the tips you are awesome! It was flash frozen in a commercial plant for 4 days so might be ok then?
Helen Rennie
Helen Rennie - 7 years ago
yes, halibut is safe raw after freezing for 7+ days, but its texture will suffer :( salmon on another hand doesn't suffer much after freezing and I strongly suggest you freeze salmon before eating raw because it's so prone to parasites.
MS
MS - 7 years ago
Helen Rennie Salmon and halibut. Can halibut be safely eaten raw if it's frozen properly?
Helen Rennie
Helen Rennie - 7 years ago
what did you catch?
Pastafarian
Pastafarian - 7 years ago
I have a solution. I just dunk my sushi in bleach instead of soy sauce
Summerfunhammybum Smile!
Summerfunhammybum Smile! - 6 years ago
Patrick Kane hahaha
Justin McNeal
Justin McNeal - 7 years ago
less sex talk, more sushi talk.
Helen Rennie
Helen Rennie - 7 years ago
I hope they weren't too traumatized. With some therapy, they'll get over it :)
colenol MD sues
colenol MD sues - 7 years ago
Is it strange how i dont like sushi but love raw fish?
B Charron
B Charron - 7 years ago
**The best raw fish in the world is not sushi but Ceviche**
Sridhar Natuva
Sridhar Natuva - 7 years ago
Do i need to add salt on fish and store in freezer?? Because i saw some other videos.. That they wash wish with salt.
Helen Rennie
Helen Rennie - 7 years ago
it depends on the fish. Mackerel is normally cured with salt, but other fish are not. I discuss freezing to kill the parasites if necessary in the video.
wakulu riel
wakulu riel - 7 years ago
very peacful info to watch... i loved it.
gongoland
gongoland - 7 years ago
You are Beautiful !! Thanks
Yuu Ichikawa
Yuu Ichikawa - 7 years ago
Thank you for very usefull information!~
ShlonBetts
ShlonBetts - 7 years ago
Great Video - Very informative!  Thank you!
Matthew St. Denis
Matthew St. Denis - 7 years ago
Thank you You are amazing
alaster134
alaster134 - 7 years ago
That was a very good video. Thank you
Nordisk Culture
Nordisk Culture - 7 years ago
did she just assume am a mammal ?

50. comment for Raw Fish Safety (bacteria and parasite education for sushi lovers)

Everlenne H.
Everlenne H. - 7 years ago
Hi does Tuna sashimi contains cod worm ?
Penagon is Gone
Penagon is Gone - 7 years ago
Why is she talking about sex?
yeah _
yeah _ - 6 years ago
It was a joke for the first 40 seconds or so of the video. Did you watch the rest?
Lightnin Hopkins
Lightnin Hopkins - 8 years ago
Where can I find your video on safe sex?
darklegended gaming
darklegended gaming - 7 years ago
Lightnin Hopkins lol go watch porn then since u like sex
Patchouli Colt
Patchouli Colt - 8 years ago
Why does safe sex make people uncomfortable? We're exposed to condom commercials constantly.
Yasmine x.x
Yasmine x.x - 8 years ago
So is smoked samon the same???? Do I just go buy raw samon or can I buy it smoked??
Bruce Levine
Bruce Levine - 8 years ago
i have found worms (little black ones ) in smoked salmon wiled salmon also have sea flies burrod in there flesh because the pass the pens of farmed fish in Canada on their way north to Alaska AND THE BARING SEA
Helen Rennie
Helen Rennie - 8 years ago
for hot smoked salmon, parasites and bacteria are not an issue because it's cooked to a high enough temperature to kill them. for cold smoked salmon, the same safety issues apply as to raw salmon. the brining process (that happens before smoking) would kill the bacteria, but will not necessarily kill the parasites, so if you are making smoked salmon yourself out of wild salmon, it's best to freeze it before or after the smoking process. if you are buying cold smoked salmon, it's already been through all the safety measures.
94nemppa
94nemppa - 8 years ago
Hi! just watched your video, you mentioned to freeze the fish before consuming. Does this work if you first do the gravlax and then freeze it?
Biagio Caretti
Biagio Caretti - 8 years ago
Helen Rennie
Helen Rennie
Helen Rennie - 8 years ago
Yes, gravlax freezes great! I would recommend curing the fish first, then drying it thoroughly, wrapping in plastic, sealing in a freezer bag and freezing. It will lose less moisture after it was cured. If you make gravlax with wild salmon, I would strongly recommend freezing. Salt doesn't kill parasites.
Michelle Kohler Art
Michelle Kohler Art - 8 years ago
Just go vegan and stop killing animals. Easy.
Jonny West
Jonny West - 6 years ago
And how about you stop killing plants
Horacthy
Horacthy - 7 years ago
Vegan What Now animal r too dumb to know what's going on ,if u love animals just get a pet
Deech
Deech - 7 years ago
Vegan What Now I bet you use plastic bottles and contribute to global pollution if you wanna be green do energy first, also let me know when Alzheimer's sets in because you don't have any omega 3 EPA or dha
Brandon Hassan
Brandon Hassan - 7 years ago
Vegan What Now stfu
sanjana guha
sanjana guha - 8 years ago
Please reply.. Can my freezer kill tapeworm eggs? Like if I buy fresh water fish and store it in the freezer for one whole day?
Helen Rennie
Helen Rennie - 8 years ago
Yes, freezing will kill parasites, but you need to freeze for 7+ days. If you are cooking the fish, the heat will kill parasites, so no need to freeze.
sanjana guha
sanjana guha - 8 years ago
I also plan to cook it. After freezing it for maximum safety.
sanjana guha
sanjana guha - 8 years ago
Please reply.. Can my freezer kill tapeworm eggs? Like if I buy fresh water fish and store it in the freezer for one whole day?
josh4all
josh4all - 8 years ago
one of the best cooking channel
Helen Rennie
Helen Rennie - 8 years ago
+josh4all Thanks :) You made my day!
vavavvavava
vavavvavava - 8 years ago
Excellent video. Is there a list or resource out there that lists all parasite free fish? I love hamachi/yellowtail and mackerel but not sure if that's safely home preparable or restaurant only.
oafagb
oafagb - 8 years ago
Yes please check the FDA website there is a guide on fish and their parasite levels.
Helen Rennie
Helen Rennie - 8 years ago
+vavavvavava Unfortunately, I don't have a list to point you to, but if I find something I'll let you know. The reason a list is so hard to put together is that the origin of the fish makes a difference. Hamachi is farm-raised in Japan, so it's fine to eat raw (no parasite issues). Mackerel can have parasites, so you need to freeze it first. Mackerel is usually salted in sushi restaurants. You can get videos on-line how to prepare it. If you plan to salt it, I would do that first and THEN freeze it. Salt will help it retain moisture during freezing.
Anthony Ng
Anthony Ng - 8 years ago
I thought home freezers don't go cold enough to properly kill parasites? I was reading some places saying -7 degF was needed
Anthony Ng
Anthony Ng - 8 years ago
+Helen Rennie thanks, out of curiosity, how cold is your freezer? Mine says it can goto -6degC. I'm sure I'm fine, I just wanted to make sure I educate myself fully in terms of temp for controlling one thing and salt for controlling another thing! :) I've been trying some cold smoking and gravlax and everyone has different opinion and method but no full explanation of why they do things :)
Helen Rennie
Helen Rennie - 8 years ago
+Anthony Ng Home freezer just takes longer. I don't remember how long commercial freezers take since I don't have one, but it's 3 or 4. Home freezer takes 7 days.
Kari Coad
Kari Coad - 8 years ago
Excellent info, thanks for presenting the facts. You know more about raw fish than many of the fishmongers I've worked with and certainly more than most restauranteurs!
Helen Rennie
Helen Rennie - 8 years ago
+Kari Coad Thanks Kari! I owe everything that I know about parasites to a wonderful German professor of parasitology, Dr. Harry Palm. We started corresponding many years ago because I wanted to learn about this subject. When he came to a conference in Boston, we went fish shopping together and he showed me all sorts of creatures most people never notice. I realize how disgusting this seems at first (it took me years to get over it), but it's no reason to stay away from fish, even raw fish. It's just important to understand what's a real risk to your health and what's just icky.
Bernie Kida
Bernie Kida - 8 years ago
Worth watching more than once since you unpacked a lot of info! (Still presented on the simplest level). You also clarified "farm-raised" for me as I would turn my nose up to that label.
Helen Rennie
Helen Rennie - 8 years ago
+Bernie Kida So glad you found it useful Bernie! By the way, if you click "show more" below the video, you'll get the main points of the video in text form. Might be easier for skimming to find info.
Victoria Kul
Victoria Kul - 8 years ago
This was so great! Answered every question I've ever had about sushi. Thank you. :)
ManFlatlander
ManFlatlander - 8 years ago
No click bait crap no pointless crap; very well done.
Helen Rennie
Helen Rennie - 8 years ago
+J0cked Ahh -- I am blushing :)
J0cked
J0cked - 8 years ago
why I love this channel! straight up informative and presented with clarity, and entertaining exactly because of this! Best cooking channel on youtube
Victoria Kul
Victoria Kul - 8 years ago
Helen never disappoints!
MSP42
MSP42 - 8 years ago
If only this reached me sooner! My roommate got sick a couple months ago after eating raw salmon that was not properly frozen. Thank you Helen for all your hard work and looking forward to your next video.
jackeline aguirre
jackeline aguirre - 8 years ago
Very informative. I've been looking for information on raw fish for sushi and this was short and simple. Thank you Helen
Helen Rennie
Helen Rennie - 8 years ago
+jackeline aguirre So glad this video was useful to you!

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