Table 3: The linearity and detection limit (LOD) of LC-MS/MS method for the determination of BRs in plants.

Compound Linear Range Square of Correlation (r2) LOD (ng/g)
(ng/mL)
Castasterone /epi- Castasterone 2-500 0.95-0.99 2
Brassinolides/epi-Brassinolides 2-500 0.95-0.99 0.1