ANTHOCYANINS IN RIPE FRUIT OF THE SPARKLEBERRY, Vaccinium arboreum MARSH

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Abstract
The extracted and purified anthocyanins (Acy) of V. arboreum Marsh [section batodendron (Nutt.) Klotzch], commonly called the sparkleberry, were identified as the 3-monoglycosides of the aglycones delphinidin, petunidin, malvidin, cyanidin and peonidin with the sugars arabinose, galactose and glucose (except for cyanidin and malvidin) (or 13 of a potential 15 Acy). V. arboreum fruit contains Acy which are extremely similar to those reported for the fruits of highbush and lowbush blueberries (subgenus Cyanococcus). V. arboreum has at least 12 Acy, while V. stamineum (subgenus Polycodium), in which geographical range is similar to that of V. arboreum, has only 3 (monoglycosides of the sugars galactose, arabinose, or glucose with the aglycone cyanidin). If Acy of fruits were to be considered of taxonomic importance, V. arboreum would appear to be more closely associated with subgenus Cyanococcus than with Polycodium, which is associated with subgenus Oxycoccus.

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