FORMS OF HERBS
The goal of the herbalist is to release the volatile oils, antibiotics, aromatics, and other healing chemicals contained by the herb. Herbs can be prepared in a variety of forms depending on their purpose. This techniques include
Juice squeezed from herbs.
Mashing herbs into a paste.
Decoction or extracting the active ingredients by boiling down the herb in water.
Hot infusion (like hot tea)- Herb is steeped in hot water.
Cold infusion (like sun tea) - Herb is steeped in cold water.
Herbs ground into a powder and used as such or as compressed into a pill.
Herbal wine made by adding the herb to water and sugar and letting it ferment.
Tincture, made by combining ground herbs with alcohol, glycerin or vinegar and used internally.
Liniment - Made like a tincture except it is used externally.
Salves and ointments made by adding herbs to a medium such as petroleum jelly.
Syrups - Made by adding herb to a medium such as honey, sugar or glycerin.
Poultice - Herb is applied directly to a wound or body part and held in place with a cloth.
Herbal Oil - Usually made with common base oil, such as olive, almond, grape seed, or sesame oils. The herb is allowed to sit in the oil for a week. It is strained and bottledose. More on this article from http://www.holistic-online.com/Herbal-Med/hol_herb-forms.htm