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Crawfish Boil Reminder: Salt "purging" does nothing.

Posted on 2/25/21 at 2:26 pm
Posted by Havoc
Member since Nov 2015
39548 posts
Posted on 2/25/21 at 2:26 pm
The LSU AgCenter and the LSU College of Agriculture

quote:

In conclusion, preparing crawfish for cooking by immersion in a water bath, with or without salt, for a short time will often provide some degree of cleansing, although this is mainly associated with exterior surfaces and the gill cavity where debris can accumulate. The amount of digesta in cooked crawfish subjected to an adequate wash may not be discernible from nonwashed crawfish; however, washing will lessen the amount of debris shed during the cooking process. There is no evidence from this study that suggests the use of salt in cleansing crawfish was beneficial, but results do indicate that a saltwater bath may contribute to increased mortality, if washed crawfish are subjected to refrigerated storage for several days prior to cooking. Conventional commercial style purging for 12 hours or longer is the only known way to significantly reduce the size of the hindgut in cooked crawfish, and that method is usually not practical for consumers.

Posted by beerJeep
Louisiana
Member since Nov 2016
39215 posts
Posted on 2/25/21 at 2:28 pm to
Posted by SixthAndBarone
Member since Jan 2019
11332 posts
Posted on 2/25/21 at 2:33 pm to
But, but, but pawpaw always purged and he learned it from a REAL Cajun who spoke French and was the first one to boil crawfish before anyone else. He also left his gumbo in the pot overnight and never got sick.
Posted by Dam Guide
Member since Sep 2005
16791 posts
Posted on 2/25/21 at 2:35 pm to
Does anyone still do it at this point?
Posted by LNCHBOX
70448
Member since Jun 2009
89339 posts
Posted on 2/25/21 at 2:37 pm to
quote:

Does anyone still do it at this point?


Oh yea Some people still swear by it.
Posted by Saskwatch
Member since Feb 2016
18360 posts
Posted on 2/25/21 at 2:46 pm to
quote:

pawpaw


PawPaw will whip your arse if you want a word with him
Posted by Sherman Klump
Wellman College
Member since Jul 2011
4572 posts
Posted on 2/25/21 at 2:46 pm to
Never purged but I wash dem baws.
This post was edited on 2/25/21 at 2:47 pm
Posted by TigerOnTheMountain
Higher Elevation
Member since Oct 2014
41773 posts
Posted on 2/25/21 at 2:56 pm to
You calling my paw paw a liar?
Posted by Havoc
Member since Nov 2015
39548 posts
Posted on 2/25/21 at 3:13 pm to
Definitely wash, and thoroughly.

It would be nice to rig some kind of aerated vat to do a true purge like the study mentions. Wonder how involved that would be to do a sack or two?
Posted by Tigerpaw123
Louisiana
Member since Mar 2007
17918 posts
Posted on 2/25/21 at 3:20 pm to
Why even bring this shite up, science has said it does nothing for years, those that want to, will still do it, and it does nothing negative, let them do it, but why fight over it
Posted by SixthAndBarone
Member since Jan 2019
11332 posts
Posted on 2/25/21 at 3:24 pm to
It’s the fact that science proves something, but some still won’t accept it, which doesn’t bother anyone. But those people always want to tell you you’re wrong.
Posted by Dam Guide
Member since Sep 2005
16791 posts
Posted on 2/25/21 at 3:50 pm to
quote:


Oh yea Some people still swear by it.


Yeah my dad was one of them, took me a bit of trying but finally got him just washing them without salt. At first I think he thought I just wanted him to skip the entire step of washing them out.
Posted by Epic Cajun
Lafayette, LA
Member since Feb 2013
37463 posts
Posted on 2/25/21 at 3:54 pm to
quote:

It’s the fact that science proves something, but some still won’t accept it, which doesn’t bother anyone. But those people always want to tell you you’re wrong.
Are you trying to correct people at their own boil? Or are they trying to correct you at your boil? If the former, you're an a-hole even if you're right. If the latter, they are an a-hole if they argue with you about it
Posted by LNCHBOX
70448
Member since Jun 2009
89339 posts
Posted on 2/25/21 at 3:56 pm to
quote:

Are you trying to correct people at their own boil? Or are they trying to correct you at your boil? If the former, you're an a-hole even if you're right. If the latter, they are an a-hole if they argue with you about it



Most likely the salters are watching someone else prep crawfish and saying "gross, gotta purge"
Posted by Havoc
Member since Nov 2015
39548 posts
Posted on 2/25/21 at 4:01 pm to
quote:

Why even bring this shite up, science has said it does nothing for years, those that want to, will still do it, and it does nothing negative, let them do it, but why fight over it

Well this is a message board to discuss topics and you are free to not open a thread if disinterested.

If you’re worried about bandwidth or something being wasted by the threads existence please contact Chicken but note first the existence of the entire soccer board.
Posted by Havoc
Member since Nov 2015
39548 posts
Posted on 2/25/21 at 4:03 pm to
quote:

Most likely the salters are watching someone else prep crawfish and saying "gross, gotta purge"

Dah salt make them throw up and poop out the trash bruh.
Posted by SmokedBrisket2018
Member since Jun 2018
1544 posts
Posted on 2/25/21 at 4:07 pm to
quote:

It would be nice to rig some kind of aerated vat to do a true purge like the study mentions. Wonder how involved that would be to do a sack or two?


I watched something on YouTube a couple of years ago and this company sold crawfish that were left in huge troughs for around 24-36 hours. They said people could do it at home but most mess up because they don't realize how much oxygen the crawfish go through. The key was lots of aeration, more than you would think is necessary.

I too have always wanted to try it just for the hell of it.
Posted by PeteRose
Hall of Fame
Member since Aug 2014
18295 posts
Posted on 2/25/21 at 4:13 pm to
At this point, let’s just label crawfish as a luxury item. It’s a matter of time before it’s more expensive than lobsters.
Posted by SixthAndBarone
Member since Jan 2019
11332 posts
Posted on 2/25/21 at 4:25 pm to
My college professor had done this study 30 years ago. In our seafood processing class, he told us how salt doesn’t do anything and explained why. I’ll never forget when he said “even if salt did make them throw up, how does that help, you aren’t eating their stomachs!” I felt like my whole life was a lie.
Posted by Darla Hood
Near that place by that other place
Member since Aug 2012
14108 posts
Posted on 2/25/21 at 4:29 pm to
quote:

Does anyone still do it at this point?
My husband only did when my dad was around, watching and (presumably) judging.

He does give them a good washing, though.
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