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Which essential oils became commercially important in the United States after 1800?
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Essential oil
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In the United States, while oils of turpentine and peppermint were already being produced prior to 1800, the commercial landscape expanded significantly in the decades that followed. During this period, four indigenous American plants became commercially important for their essential oils:
- Sassafras
- Wormwood
- Wintergreen
- Sweet birch1
While many other essential oils have been prepared since 1800, only a limited number have achieved notable commercial significance.1