Sensory and physical and chemical indicators: Light yellow or yellow-green color; Transparent to translucent liquid aroma; Woody, ointment, and musk aroma with the characteristics of valerian; Relative density (20℃/20℃) 0.845~1.033; Refractive index (20℃/20℃ ) 1.331～1.627 Optical rotation (20℃) -38°～-8° Miscibility (20℃) 1 volume of sample is miscible in 2 volumes of 85% (volume fraction) ethanol, resulting in a clear solution. Acid value (in KOH Total)/(mg/g) ≤ 13 Characteristic component content camphene 9~29% bornyl acetate 21~41%