Glossary of Terms

Adulterated – a herb replaced or mixed with another substance that lacks the herb’s potency.

Analgesic – pain-relieving.

Antibiotic – kills bacteria.

Antispasmodic – reduces muscle spasms.

Astringent – has a binding and contracting effect, produces a protective coating over cells.

Bulk laxative – increases the volume of feces.

Capsule – herbs are processed into powders or liquids and encapsulated. Capsules dissolve quicker than tablets.

Carminative – relieves flatulence and gastric discomfort.

Decoction – used to prepare bark, roots and berries. These plant parts are boiled in water for at least ten minutes.

Diuretic – encourages urine flow.

Essential oil – commercial oil extracted from plants using steam distillation.

Expectorant – encourages loosening of the phlegm.

Infusion – also known as tea. Used to prepare leaves, flowers and seeds.

Inhalation – a mixture of essential oil or an infusion with boiling water. Used to clear head congestion.

Laxative – encourages bowel movements.

Sedative – soothing and calming.

Tannin – plant constituents that combine with proteins. They have astringent qualities.

Tonic – restoring and nourishing.

Tablets – contain compounds which bind the active constituents and help them dissolve.

Tincture – used to prepare roots or leaves. Herbs are distilled in an alcohol/water mixture. This form is stronger than a decoction or infusion.

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