WINTERGREEN OIL
Gaultheria fragmentissima Wall.
Leaf and Twig
Description
| Appearance: | Fluid liquid |
| Colour: | Pale yellow to yellowish or pinkish |
| Aroma: | Strongly aromatic with sweet characteristic odour. displaying a peculiar creamy-fruity and sweet-woody dryout. |
| Specific gravity: | 1.1738 to 1.769 at 30 C |
| Optical rotation: | – 0.3 to 0.5 o at 30 C |
| Refractive index: | 1.5372 to 1.5403 at 30 C |
| Acid number: | 10 to 15 |
| Ester number: | 345 to 365 |
| Ester content: | 92 to 98 % as Methyl salycilate |
| Solubility: | soluble in 3 to 3.5 volumes of 80 % alcohol |
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