Sensory and physical and chemical indicators Color Yellow-brown to reddish brown State Transparent, viscous liquid Aroma Has a strong characteristic odor of Angelica sinensis Relative density (20℃/20℃) 0.879～1.075 Refractive index (20℃/20℃) 1.378～1.684 Optical rotation (20℃) -10°～+10° Characteristic component content β-ocimene 12～32% Ligustilide 21～51% Hygienic indicators Total colony count/(CFU/mL) ≤ 1000 Total mold and yeast count/(CFU/mL) ≤ 100 Fecal coliforms/(mL) Pseudomonas aeruginosa shall not be detected/(mL) Staphylococcus aureus shall not be detected/(mL) Lead shall not be detected/(mg/kg) ≤ 10 Arsenic/(mg/kg) ≤ 2 Mercury/(mg/kg) ≤ 1 Cadmium/(mg/kg) ≤ 5