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General comparison of vetiver essential oils obtained from four different methods.
| Vetiver Essential Oil | Color | Yield (%) | Extraction Time (h) |
|---|---|---|---|
| HD oil | pale yellow | 0.6 | 12 |
| IVD oil | dark brown | 0.3–0.5 | 18 |
| CXE oil | light yellow | 5.12 | 3 |
| SFE oil | greenish brown or olive | 0.5 | 2 |
