Before food is finally being served for people to enjoy it, it passes through a lot of steps. During cutting, juices can ooze out of the food carrying the minerals that are supposedly there. Also, the minerals can also be vaporized once already dissolved in water during the heating process.
You shouldn't allow yourself to be re-hydrates in this way because it is incredibly unsafe. Tap and bottled water can carry bacteria which can cause severe infections to get into the bloodstream.
In Meiosis they would be identical