When I use canned vegetables I rinse them off. That liquid that is in there should go away, so much salt in it.
They add salt to preserve this produce. A half-cup serving of canned string beans has approximately 300 to 400 milligrams of sodium. That is way too much. Can we say future heartache if it's kept up. Just saying.
Many companies offer "no salt added" options. If you can't find one to your liking, go frozen instead many of these don't contain salt. Better yet, you can buy fresh and in season. I know that's a scary option, but you can handle it I know.