Table 1.

Identified discriminant metabolites in Euphorbia palustris, Euphorbia amygdaloides, and Euphorbia glareosa latex collected in different locations of Serbia (± presence/absence of the compound; OM observed mass; ME mass error; IM ionization mode; Ns no cluster separation by PCA; Neg negative ionization mode; Pos positive ionization mode)

Euphorbia Species

Compound

OM

ME (ppm)

IM

E. palustris

E. amygdaloides

E. glareosa

nicandrose E

650.3532

2.83

Neg

+

–

–

sibiromycina

648.3371

0.08

Neg

+

–

–

asperazine

664.2791

−1.06

Neg

–

+

–

milliamine C

706.2854

−5.14

Neg

–

+

–

rankiniridine

552.2486

2.66

Neg

–

–

+

Geographical originc

Bo

Če

Ša

Mj

Av

Ko

Tb

Dp

Zb

solanoglycosydane I

576.4099

−6.80

Neg

Ns

Ns

Ns

+

–

–

Ns

Ns

Ns

plactin

644.4008

−0.16

Neg

Ns

Ns

Ns

+

–

–

Ns

Ns

Ns

aphanamolide B

706.2830

−0.84

Neg

Ns

Ns

Ns

–

+

–

Ns

Ns

Ns

manadoperoxide J

406.7664

1.62

Neg

Ns

Ns

Ns

–

+

–

Ns

Ns

Ns

stelleralide C

666.2976

−9.55

Neg

Ns

Ns

Ns

–

–

+

Ns

Ns

Ns

C36H36N2O8 b

624.2411

−0.08

Neg

Ns

Ns

Ns

–

–

+

Ns

Ns

Ns

pentaglycerol

388.1910

−8.76

Pos

Ns

Ns

Ns

+

–

–

Ns

Ns

Ns

^aDerivative: 9-O-(4,6-Dideoxy-3-C-methyl-4-(methylamino)-α-L-mannopyranoside)

^bPossibly grossamide, heliotropamide, or lyciumamide B

^cBo Borča; Če Čenta; Ša Šajkaš; Mj Mali Jastrebac; Av Avala; Ko Kosmaj; Tb Titelski breg; Dp Deliblatska peščara, Zb Zagajička brda