Vanilla is a flavoring derived from orchids of the genus Vanilla, primarily from the Mexican species, flat-leaved vanilla. The word vanilla, derived from vainilla, the diminutive of the Spanish word vaina, is translated simply as "little pod
Vanilla beans will keep for at least a year when properly stored, and can last more than two years in ideal conditions. They should be stored in a closed container in a cool, dry place. An airtight container will help to keep the beans moist, but it is not necessary for storage.