Compounds

QC concentration (ng/mL)

Intra-day

Inter-day

Precision (% CV)

Accuracy (% bias)

Precision (% CV)

Accuracy (% bias)

Lycorine

0.5

1.4

−3.9

1.5

−5.6

5

1.3

0.03

2.2

0.1

50

1.8

0.7

1.3

−0.2

100

0.9

−0.4

0.5

−0.6

Galantamine

0.5

2.0

−9.7

1.7

−11.3

5

0.8

−4.3

0.9

−3.9

50

1.3

−2.8

1.2

−3.3

100

0.7

−3.0

0.4

−3.3