noun[mass noun] Chemistry
Distillation of a liquid in a current of steam, used especially to purify liquids that are not very volatile and are immiscible with water.
- Due to their relatively high boiling points, essential oils are usually obtained by steam distillation or co-distillation with water.
- In flavor production, chemists use steam distillation in preparative and analytical chemistry.
- The foundations for garlic research were arguably laid by German chemists, Theodor Wertheim and F.W. Semmler, who discovered volatile sulfur compounds through steam distillation.
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