UHPLC-Q-TOF analysis of pyrrolizidine alkaloids in North-Macedonian honey

Abstract

Monocrotaline 7.95 2.46 bc 2.12 b 11.91 4.66 3.18 c 0.90 a 2.93 c Jacobine 8.84 3.74 b 3.61 b 9.48 12.59 13.34 c 6.90 13.31 c Europine 8.01 b 8.53 b 8.45 b 14.62 41.11 48.59 29.81 50.09 Europine N-oxide 10.97 0.00 0.00 21.05 0.00 0.00 0.00 0.00 Retrorsine 8.57 0.74 a 0.66 a 11.80 3.75 2.29 b 0.98 a 2.55 b Retrorsine N-oxide