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.
If your herbs are damp, be sure to gently blot them dry with a towel to remove as much moisture as you can. Place the herbs on the dehydrator trays in a single layer. Small leaves can remain on the stems, but removing larger leaves from thick stems will shorten the drying time.
Oven drying. 1  Takes two to three times longer to dry food in an oven than in a dehydrator; the oven is not as efficient and uses a great deal more energy than a dehydrator. 2  Drying in an oven is slower than in a dehydrator because ovens do not have built-in fans for the air movement.