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can you smoke bacteria out of meat boiling it? (linux.community)

submitted 2 months ago by vestmoria@linux.community to c/nostupidquestions@lemmy.world

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To avoid wasting meat I've been doing this for years. So far it has worked and now I wonder about the science behind it:

If for whatever reason I end up with a piece of raw meat that starts smelling a bit strong I cut the piece into small chunks, press the chunks to remove as much liquid as possible, put the meat in a pan, cover the meat with water, let the pan uncovered, boil it and wait till the water completely evaporates. At this point, meat looks brownish or darker depending on the meat I use and it doesn't smell as strong. I cook it then as I see fit.

I believe by boiling the meat, convection currents take (at least?) some of the bacteria away and this is a safe way not to waste meat. Is this right? Meat always smells better after 'washing' it this way.

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[–] sailingbythelee@lemmy.world 21 points 2 months ago

As everyone else has said, this is a risky practice due to heat-tolerant bacterial toxins. Here is an article about it, if you want to do some more reading:

https://blog.foodsafety.ca/what-are-bacterial-toxins

The reason the meat smells better after you partially cook it is that you are killing the spoilage bacteria coating the outer surface and washing away or destroying their smelly byproducts. Oddly enough, those aren't the really dangerous bacteria. The ones that cause serious food poisoning mostly do not stink.

Also, cutting the larger chunk of meat up into smaller pieces is a very bad idea. You are just spreading the surface contamination into the muscle. Also, using water as a medium actually limits the upper temperature you can achieve. If you really want to save a piece of meat while minimizing your risk, do this instead:

Leave the cut of meat intact.
Put a high-heat vegetable oil like canola or sunflower oil into a steel frying pan.
Heat it until the oil smokes just a little. The smoke point of sunflower oil is 248 Celsius, whereas water boils at 100 Celsius, so you can easily see why this method is more effective than boiling.
Pick up the piece of meat with two pairs of tongs and place it into the hot pan. Rotate it around until a brown crust forms on the outside. This is called searing.
Remove the meat from the pan and let it cool.
With a clean sharp knife, cut off the seared meat at the surface and discard.

Note that you should not attempt this with poultry, only whole, non-tenderized cuts of beef or pork. This, by the way, is how restaurants prepare beef for serving raw dishes like steak tartar. Or at least that's how they are supposed to prepare it from a food safety perspective.

Note also that this doesn't guarantee that the meat is safe, but raw, whole, non-tenderized cuts of meat are usually only contaminated on the outer surface. Obviously it is safer to avoid the risk altogether, but if you must try to save the meat, this method is far, far better than your current practice.