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Table 3 Amount of endogenous BRs in different plant tissues

From: A selective pretreatment method for determination of endogenous active brassinosteroids in plant tissues: double layered solid phase extraction combined with boronate affinity polymer monolith microextraction

Analytes O. sativa YTA shoot O. sativa YTB shoot B. napus L. shoot B. napus L. flower bud B. napus L. flower
BL n.d. n.d. n.d. 15.84 ± 0.78 89.80 ± 7.41
CS 1.86 ± 0.11 1.33 ± 0.22 0.30 ± 0.05 13.54 ± 0.20 11.42 ± 1.54
28-norBL n.d. n.d. n.d. n.d. 6.14 ± 0.18
28-norCS n.d. n.d. n.d. 5.13 ± 0.15 12.36 ± 0.56
  1. n.d: Not detected. Unit: ng/g FW.