Abstract
The anthocyanin constituents of thirty samples of Vaccinium myrtillus fruits of various origin were examined by high-performance liquid chromatography. The data, characterized by 15 peaks for each chromatogram, were subjected to principal component analysis in order to reveal differences in the chromatograms. The vector space generated by eigenvector projection produced a clear separation between a group composed of Norwegian and Swedish berries and a group of berries of Italian or Romanian origin. Cyanidin glycosides are highly better represented in all the samples of the first group, while delphinidin glycosides are better represented in the latter.
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