TY - RPRT TI - Fractionation of grape anthocyanin classes using multilayer coil countercurrent chromatography with step gradient elution. AU - Stéphane Vidal AU - Yoji Hayasaka AU - Emmanuelle Meudec AU - Véronique Cheynier AU - George Skouroumounis PY - 2004 DO - 10.1021/jf034906a UR - https://pubmed.ncbi.nlm.nih.gov/14969521/ ID - 14969521 ER -