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Fig. 1 | BMC Complementary Medicine and Therapies

Fig. 1

From: Mellitin peptide quantification in seasonally collected crude bee venom and its anticancer effects on myelogenous K562 human leukaemia cell line

Fig. 1

MS 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 +)

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