The stereochemical structure of acylated anthocyanins in the Japanese grape, Muscat Bailey A, was determined by homonuclear Hartmann‐Hahn (HOHAHA) spectroscopy and liquid chromatography‐mass spectrometry. The structures found were peonidin 3‐ O ‐(6‐ O ‐( trans‐p ‐coumaroyl)‐β‐D‐glucopyranoside), delphinidin 3‐ O ‐(6‐ O ‐( trans‐p ‐coumaroyl)‐β‐D‐glucopyranoside), malvidin 3‐ O ‐(6‐ O ‐( trans‐p ‐coumaroyl)‐β‐D‐glucopyranoside), and malvidin 3‐ O ‐(6‐ O ‐( trans‐p ‐coumaroyl)‐β‐D‐glucopyranoside)‐5‐ O ‐D‐glucopyranoside.
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Tamura et al. (1994) studied this question.
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