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posted by martyb on Monday September 03 2018, @05:24PM   Printer-friendly
from the too-cool dept.

FDA Advises Consumers to Avoid Eating, Drinking, or Handling Food Products Prepared with Liquid Nitrogen at the Point of Sale

The U.S. Food and Drug Administration alerts consumers and retailers of the potential for serious injury from eating, drinking, or handling food products prepared by adding liquid nitrogen at the point of sale, immediately before consumption.

These products are often marketed under the names "Dragon's Breath," "Heaven's Breath," "nitro puff" and other similar names.

[...] Foods and drinks prepared by adding liquid nitrogen immediately before consumption may be sold in malls, food courts, kiosks, state or local fairs, and other food retail locations. These products may include liquid nitrogen-infused colorful cereal or cheese puffs that emit a misty or smoke-like vapor. Similarly, alcoholic and non-alcoholic drinks prepared with liquid nitrogen emit a fog.

The FDA has become aware of severe -- and in some cases, life-threatening -- injuries, such as damage to skin and internal organs caused by liquid nitrogen still present in the food or drink. There has also been a report of difficulty breathing after inhaling the vapor released by liquid nitrogen when added immediately before consumption. Injuries have occurred from handling or eating products prepared by adding liquid nitrogen immediately before consumption, even after the liquid nitrogen has fully evaporated due to the extremely low temperature of the food.


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  • (Score: 2) by Freeman on Monday September 03 2018, @07:35PM (10 children)

    by Freeman (732) on Monday September 03 2018, @07:35PM (#729941) Journal

    Ok, sure it's not really a myth, but it would be interesting to see them put this one through the ropes. To get an idea of just how dumb it is to ingest stuff that's been cooled to stupidly low temperatures.

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  • (Score: 3, Interesting) by RandomFactor on Monday September 03 2018, @08:02PM (4 children)

    by RandomFactor (3682) Subscriber Badge on Monday September 03 2018, @08:02PM (#729947) Journal

    Does "drinking this is safe" count? :-\
     
    Seems like it is used for the same purposes as Dry Ice mostly, just a canister is more convenient than chunks?
     
    On the asphyxiation front, with dry ice your body has a mechanism to try to let you know something is wrong when it takes over your air. Not being something i'm particularly familiar with, maybe someone else has some info on how well your body would let you know if dry ice started increasing the CO2 too much and how long you would have to react.
     
    Random top 10 of Liquid Nitrogen accidents https://www.youtube.com/watch?v=ms1AzNr0wVc [youtube.com] - lots of associated deaths and injuries. Like removing a girls entire stomach after drinking a cocktail.

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    • (Score: 2) by Freeman on Monday September 03 2018, @10:30PM (2 children)

      by Freeman (732) on Monday September 03 2018, @10:30PM (#729994) Journal

      I've seen the chefs on some cooking shows use Liquid Nitrogen to do some things. I never thought about possible problems for the person actually consuming the thing. Not that I've ever been to a place that offered that as an option, but that's definitely something to chew on. I'll just put that on the same list as Puffer Fish and live octopus; things not to try.

      --
      Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
      • (Score: 2) by c0lo on Tuesday September 04 2018, @08:36AM

        by c0lo (156) Subscriber Badge on Tuesday September 04 2018, @08:36AM (#730163) Journal

        Not that I've ever been to a place that offered that as an option, but that's definitely something to chew on.

        Somehow I really doubt you are gonna chew on Liquid Nitrogen.

        (grin)

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      • (Score: 2) by Sourcery42 on Tuesday September 04 2018, @05:22PM

        by Sourcery42 (6400) on Tuesday September 04 2018, @05:22PM (#730349)

        Chefs and the alcohol industry are just doing this stuff because it looks cool, and that flashy looking drink generates interest. The unfortunate thing is liquid nitrogen's normal boiling point is so frickin cold that it tends to film boil at room temperature. That film boiling often sets up a Leidenfrost effect https://en.wikipedia.org/wiki/Leidenfrost_effect, [wikipedia.org] and the resulting vapor blanketing causes a liquid that boils at -320 F (-196 C) stick around way longer than a lay person would expect. I didn't realize this was a trend, but it sounds like quite a dangerous one. Somebody is just bound to get some cold burns or cracked teeth ingesting this stuff. The volumes probably aren't large enough to result in asphyxiation, but nitrogen is quite sneakily good at that too. Then there's the whole >700x volume expansion from boiling liquid to vapor at body temperature. But hey, I sure bet those foggy drinks look awesome.

    • (Score: 0) by Anonymous Coward on Tuesday September 04 2018, @02:09PM

      by Anonymous Coward on Tuesday September 04 2018, @02:09PM (#730243)

      On the asphyxiation front, with dry ice your body has a mechanism to try to let you know something is wrong when it takes over your air. Not being something i'm particularly familiar with, maybe someone else has some info on how well your body would let you know if dry ice started increasing the CO2 too much and how long you would have to react.

      10% CO₂ in the air is a reasonable ballpark figure of a lethal concentration [wikimedia.org]. Basically if you happen to be in a room with that kind of CO₂ concentration it'll be too late for you to do anything about it.

      For comparison, Earth's atmosphere is about 0.5% CO₂ normally, and the air you breathe out is about 5%.

      Another ballpark figure is that 1 m³ of air is about 1kg. So at 10% concentration that's about 100g of carbon dioxide per cubic metre. How quickly the room can reach 10% concentration then depends on the size of the room, the quality of the room's ventilation, and how quickly you can melt the dry ice.

  • (Score: 2) by takyon on Monday September 03 2018, @10:22PM (3 children)

    by takyon (881) <takyonNO@SPAMsoylentnews.org> on Monday September 03 2018, @10:22PM (#729987) Journal

    You just want them to die!

    Yikes, I didn't realize the show [wikipedia.org] is still running, in some form.

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    • (Score: 2) by Freeman on Monday September 03 2018, @10:49PM (2 children)

      by Freeman (732) on Monday September 03 2018, @10:49PM (#730002) Journal

      The dynamic duo that made Mythbusters have moved on. "In October 2015, Hyneman and Savage confirmed that the season premiering in January 2016 would be their final season of MythBusters after over 13 years of the show.[2]" https://en.wikipedia.org/wiki/MythBusters_(2016_season) [wikipedia.org]

      I've not seen any recent episodes, but I've been a fan of the show for a while. It's still going with different hosts, but that would seem like having Hogan's Heroes without Bob Crane or Spin City without Michael J. Fox.

      --
      Joshua 1:9 "Be strong and of a good courage; be not afraid, neither be thou dismayed: for the Lord thy God is with thee"
      • (Score: 2) by takyon on Monday September 03 2018, @10:54PM (1 child)

        by takyon (881) <takyonNO@SPAMsoylentnews.org> on Monday September 03 2018, @10:54PM (#730004) Journal

        Well, I remember that they were easing new hosts in by having the "B" team doing half of the experiments during episodes.

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        • (Score: 4, Informative) by AthanasiusKircher on Monday September 03 2018, @11:28PM

          by AthanasiusKircher (5291) on Monday September 03 2018, @11:28PM (#730025) Journal

          Meh. They've had the "B team" doing that since the early seasons. (I usually just referred to the "B Team" as the "idiots," which is why I stopped paying attention to the show after the first season or so. Actually, Jamie was the only sensible and reasonably intelligent person on that show -- Adam had a few moments on genius, but if you look into the history of the show, Jamie was the one that was supposed to be doing it... He asked Adam to join because he thought he wasn't "entertaining" enough to do the show by himself... And he was probably right for a mass audience, though I'd definitely have preferred the show with Jamie by himself.)

          Anyhow, I started to reply because your assumption isn't correct: the "B Team" left the show a few years back. Jamie and Adam hosted the last couple seasons alone, before the reboot.

  • (Score: 0) by Anonymous Coward on Tuesday September 04 2018, @04:39PM

    by Anonymous Coward on Tuesday September 04 2018, @04:39PM (#730326)

    https://www.youtube.com/results?search_query=drink+liquid+nitrogen [youtube.com]

    Is it worse to win a Darwin award or to not by living through the experience?