Figure 5From: Improved methodology for assaying brassinosteroids in plant tissues using magnetic hydrophilic material for both extraction and derivatizationMRM chromatograms of the five BRs obtained without (A) or with MSPE-ISD (B). Peaks: 1. 28-norBL; 2. 28-norCS; 3. BL; 4. CS; 5. 28-homoBL; 6. 28-norBL derivative; 7. BL derivative; 8. 28-norCS derivative; 9. 28-homoBL derivative; 10. CS derivative.Back to article page