Orchidaceae Vanilla is an ancient flavoring, used by the Aztecs who added it to chocolate. Vanilla is the only member of the orchid family used as food. Vanilla is often used in puddings, ice creams, candy and liqueurs. Vanilla extract is made only of vanilla and alcohol. Vanillin a synthetic subsitute is actually more flavorful than true vanilla.
Vanilla is a digestive and stimulant, but in excess it is inflaming and irritating.