From: A validated, precise TLC-densitometry method for simultaneous quantification of mahanimbine and koenimbine in marketed herbal formulations
Conc. in ppm
Mean ± RSD
Intra-day
180
510 ± 1.96
260
564 ± 2.48
340
636 ± 2.83
Inter-day
240
710 ± 1.4
300
760 ± 2.63
360
825 ± 1.81