Wintergreen essential oil is water steam-distilled from leaves charged into the still and allowed to macerate for several hours to hydrolyze the gaultherin glucoside (methyl salicylate + glucose). Distillation lasts from 5 to 6 hours and yields approximately 0.7% essential oil. The oil is often adulterated by intentionally co-distilling sweet birth (Betula lenta) bark. FCC (1996) has described wintergreen oil as obtained from the leaves of G. procumbens and bark of B. lenta. The oil has a strong, sweet, aromatic odor reminiscent of methyl salicylate, its main constituent.
Detailed Photos
| Appearance: |
pale yellow to reddish brown clear oily liquid (est) |
| Food Chemicals Codex Listed: |
No |
| Specific Gravity: |
1.17618 to 1.18200 @ 25.00 °C. |
| Pounds per Gallon - (est).: |
9.787 to 9.835 |
| Refractive Index: |
1.52900 to 1.54100 @ 20.00 °C. |
| Flash Point: |
185.00 °F. TCC ( 85.00 °C. ) |
| Shelf Life: |
24.00 month(s) or longer if stored properly. |
| Storage: |
store in cool, dry place in tightly sealed containers, protected from heat and light. |
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