â¦ purity n-uncount with poss. They worried about the purity of tap water. 3 adj If you describe something such as a colour, a sound, or a type of light as pure, you mean that it is very clear and represents a perfect example of its type. usu ADJ n. ...flowers in a whole range of blues with the occasional pure white. â¦ purity n-uncount.
How To Dry Fresh Herbs Using a Dehydrator. 1  Preheat your dehydrator with the thermostat set between 95 and 115 degrees Fahrenheit. 2  If your herbs are damp, be sure to gently blot them dry with a towel to remove as much moisture as you can. 3  Place the herbs on the dehydrator trays in a single layer.
Then you just leave the dehydrator running as long as it takes to completely dry out the food, which can take anywhere from 4 to 24 hours. Depending on the type of food, it will be hard and crisp, or a more leathery when done. Some foods (mostly fruit) will brown when dried.