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English name: | Rhizoma Chuanxiong oil |
Appearance: | brown to reddish-brown |
Odour: | sweet,fragrance aroma |
Relative density: | 0.9380~0.9760 |
Refractive index: | 1.4985~1.5258 |
Optical rotation: | -20°~+26° |
Solubility: | easy soluble in 90% ethanol |
Content: | ligustilide 10%~50% |