Fig. 1From: Mellitin peptide quantification in seasonally collected crude bee venom and its anticancer effects on myelogenous K562 human leukaemia cell lineMS spectroscopy of Jordanian crude bee venom (JCBV) collected in Spring and Melittin (MEL) analytical standard. a Calibration curve of MEL using range of concentrations 10–100 ppm (R = 0.9999); b MEL spike found in springtime JCBV (RT = 4.5); c MS spectroscopy of JCBV collected in spring (1424 [M + 2H]2 + , 949.7 [M + 2H]3 + , 712.2 [M + 2H]4 + , and 570.1 [M + 2H]5 +)Back to article page