2006-08-02 08:10:03 · 15 answers · asked by tazisab!t<h32 1 in Social Science ➔ Other - Social Science
it absorbs the moisture in things. so... you get dried out beef, (jerky), or really dry papers and stuff.
2006-08-02 08:13:48 · answer #1 · answered by digital genius 6 · 0⤊ 1⤋
in former times, salt was the main preservative in foods because of its osmotic properties...it causes meat or whatever you are preserving to "sweat" away water by osmosis.
when it osmotically removes water from the meat, it also creates a seal against any new water coming in. It also keeps things cold because when you apply it to an object, it lowers the freezing point of that object and makes it freeze more easily, preserving foods by cold.
2006-08-02 08:20:48 · answer #2 · answered by Mr. Fancy Pants 3 · 0⤊ 0⤋
It preserves foods by lowering the amount of "free" water molecules in foods. Bacteria need moisture in order to thrive, so without enough "free" water, they cannot grow well in foods that contain salt. It literally pulls the life-sustaining moisture from those harmful bodies, making them unable to grow or reproduce.
2006-08-02 08:22:56 · answer #3 · answered by ☼ Ỉẩη ♫ 4 · 0⤊ 0⤋
It does not preserve everything. Its preserving quality derives from its ability to absorb moisture and by creating a difficult environment for bacteria to thrive.
2006-08-02 08:14:31 · answer #4 · answered by Chuck E 1 · 0⤊ 0⤋
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2016-11-27 21:13:41 · answer #5 · answered by dysart 4 · 0⤊ 0⤋
I dont know what these guys are thinking about. Salt has sodium in it, which is very reactive, therefore the sodium displaces most other materials. This is also why: iron is somtimes wrapped in zinc etc.
2006-08-02 08:16:27 · answer #6 · answered by tom1122bb 2 · 0⤊ 0⤋
takes all of the water out of what ever you are preserving
2006-08-02 08:13:22 · answer #7 · answered by The original John Doe 3 · 0⤊ 0⤋
By removing the moisture which causes aging in different types of things.
2006-08-02 08:38:44 · answer #8 · answered by TiaLee 2 · 0⤊ 0⤋
by removing some of the water and providing a bacteria free environment
2006-08-02 08:14:35 · answer #9 · answered by lambtonliner 3 · 0⤊ 0⤋
Nothing can live in salt.
2006-08-02 08:13:10 · answer #10 · answered by Anonymous · 0⤊ 0⤋
It dries the food out
2006-08-02 08:13:44 · answer #11 · answered by heidinichole 4 · 0⤊ 0⤋