North america has become the world39s largest producer of this oil which is steam distilled from the leaves of the familiar fast growing herb most of the production goes into confectionery and toiletries its sweet cooling aroma is familiar to all of us the american crops are descendants of the highest quality peppermint mitcham oil which is only produced in small quantities in the uk absolute aromas also stocks an english peppermint because of the size of its crop the usa has a