Why do you steam crabs with vinegar?

Chef's answer
First of all, the vinegar will reduce the boiling point of the water present in your steaming pot, thus helping you to steam your crabs quickly. ... So, if you want to avoid your crab meat to stick the shell's wall, then it is better to add some vinegar while steaming the crabs.
Frequently asked Questions 🎓
Grab that jug of plain ol' white or apple-cider vinegar. It's a bargain cleaner: * Remove leftover cooking odors in the kitchen. Boil several cups of water and 5 to 6 tablespoons of vinegar in a pan on the stove.
When people think about cooking, they mostly think about heat. But there's one sort of dish that is "cooked" without any heat. ... Soak fish or shellfish in vinegar or lemon or lime juice, and the meat turns opaque and the texture firms up, almost as if it has been cooked.8 Jul 1998.
Some of the participants "washed" their chicken by soaking it in the sink, either with water only, or adding soap, vinegar or lemon juice. ... Chapman said there's no good evidence that soaking raw chicken in vinegar or lemon juice kills bacteria.
Soak chicken in equal parts white vinegar and water for about 30 minutes. This is Edna Eaton's surprise preparation. The vinegar removes all the gooey, fatty residue from chicken skin so that chicken parts hold coating better. Rinse off vinegar water and pat chicken pieces dry.
White vinegar is a mildly acidic product that cleans, deodorizes, and disinfects. It can also kill 82% of mold species, including black mold, on porous and non-porous surfaces. You can use it safely on most surfaces, and its offensive odor goes away quickly. Pour undiluted white vinegar into a spray bottle.
Fish, Seafood The acid in vinegar can tenderize the muscle fiber in lobster, oysters, salmon, and other. Soak them in vinegar for at least several hours, even overnight. You can bring out the flavor of fish by adding a few drops of white vinegar to it..
Some of the participants "washed" their chicken by soaking it in the sink, either with water only, or adding soap, vinegar or lemon juice. ... Chapman said there's no good evidence that soaking raw chicken in vinegar or lemon juice kills bacteria.
A few more cooking questions 📍