Abstract
ABSTRACTJuice processed from Royal Okanogan Huckleberries had an intense purple color, (CIE L*a*b*= L*, 22.66, a*, −0.06, b*, −0.46) and high anthocyanin pigment content, (>5 g/L). The anthocyanins were separated by HPLC and characterized from retention times and UV‐visible spectra of purified pigments and their hydrolysis products. The major pigment (>70%) was petunidin 3‐(p‐coumaroyl‐rutinoside)‐5‐glucoside. Eleven additional anthocyanins were identified as petunidin, delphinidin, and malvidin with the same glycosidic substitution pattern as the major pigment, and varying degrees of acylation with p‐coumaric, ferulic, and caffeic acids. It was concluded from comparative pigment analyses and berry morphology that Royal Okanogan Huckleberries had identical characteristics to the Garden Huckleberry, Solanaceae melanocerasum (renamed S. scabrum).
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