372
Acknowledgements The authors express gratitude to the staff of the UNILAB laboratory,
Department for Plant and Environmental Protection, Faculty of Agriculture, Goce Delcev
University, Štip, Republic of North Macedonia, for ICP-MS analysis of berry samples.
Fig. 12.4 Principal component analysis of multi-element data for analysed samples (Ch Chinese
samples, MK Macedonian samples)
0.4
Gb4-Mk
Gb5-Mk
Gb3-Mk
Gb1-Mk
Gb2-Mk
Gb2-Ch
Gb1-Ch
Gb4-Ch
Gb3-Ch
Gb5-Ch
0.8
1.2
1.6
2.0
Distance
2.4
2.8
3.2
3.6
4.0
Fig. 12.5 Cluster analysis
of multi-element data for
analysed samples (Ch
Chinese samples, MK
Macedonian samples)
L. Fan et al.