Table 5. Contents of active compounds in CE

Combined extract (µg/mL) Decursinol angelate (1) Decursin (2)
mean (%) SD RSD (%) Mean (%) SD RSD (%)
1 3.58 0.04 1.08 6.17 0.02 0.28
3 3.72 0.01 0.25 6.09 0.02 0.40
10 3.75 0.01 0.23 6.16 0.00 0.03
Average 3.68 0.07 2.02 6.14 0.04 0.59
CE, combined extract; RSD, relative standard deviation.