Spirits are alcoholic or hydroalcoholic solutions of volatile substances and contain 50% to 90% of alcohol. Water-insoluble oils are presented as solutions due to the high alcoholic content of spirit. Spirits are prepared by dissolving the volatile substances in ethanol 90% with the exception of aromatic ammonia spirit, which is prepared by distillation method. They are used as flavoring agents. Examples are lemon spirit, peppermint spirit and compound orange spirit. Some spirits are taken internally for their medicinal value, for example, aromatic spirit of ammonia I.P., which is a respiratory stimulant.