A good few hours. Probably a day.
Depending on the vegetables, you can steam them or Blanche them. (Where you put vegetables in boiling water, then put them in ice cold water)
how long can cut sweet potatoes stay in water before cooking
Soak it in water to keep it from browning
Vegetables can be cooked without added salt. But salt causes water to boil at a higher temperature than unsalted water, shortening the cooking time. Salted water also improves the flavor of most vegetables. ---------------------------------------------------------------------------- Heavily salted water boils at about 213F (100.5C). The main reasons for adding salt is to keep starchy foods from sticking, prevent nutrient loss by "sealing" the surface of the food or to enhance the flavor of foods. See link below.
Hash the potatoes into cold water before cooking. This will keep them from graying in the air.
Wash your hands. Get your vaccinations. Clean cuts. Wash fresh fruits and vegetables before cooking. Common sense items.
no
Yes, but spraying it in the water before the water gets hot and boils is the best for safety. A bit of oil in the water when boiling pasta will keep it from sticking together.
To keep them fresh.
5000000 years
to keep them fresh. plants need water to live.
soak in vinegar and water