what is the difference between food dehydration and food concentration?

Lawana Neemann: dehydration is removing all moistureconcentration is reducing moisture

Booker Warlick: With food dehydration, you are looking to withdraw the moisture of a food to preserve it, like with dried fruits and beef jerky.Food concentration is another way to dehydrate food, but you don't dehydrate it totally. You just boil it enough for the water to evaporate to condense to flavors, which is what you do to beef stock to make a demi-glace or brown gravy....Show more