Intensely smoky and tar-like, reminiscent of birch tar, wintergreen and old leather. A pungent, phenolic opening gives way to a drier woody-balsamic base with camphoraceous and medicinal facets. Signature note in Russian leather and cade-style leather accords.AI · claude-opus-4-7
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Perfume and Flavor Materials of Natural Origin, page 79.
Birch Bark Oil is colorless or pale yellow, occasionally reddish tinted (from contact with iron).
The oil smells so strikingly similar to methyl salicylate that it is hard to justify the existence of the essential oil.
The flavor of wintergreen, 'teaberry' and birch bark oil was popular with the American Indians, and the early European settlers used wintergreen as a tea.
Its use in old-fashioned 'Root Beer' beverages, later in all sorts of candies, chewing gum, toothpaste, etc., shows the well-established and lasting popularity of the methyl salicylate type of flavor in the U.S.A.
'Oil of Sweet Birch' is produced by steam distillation of the comminuted bark after it has been macerated (or, more correctly, digested) in lukewarm water for 12 hours.