Model Studies on Precursor System Generating Blue Pigment in Onion and Garlic Imai, Shinsuke ; Akita, Kaori ; Tomotake, Muneaki ; Sawada, Hiroshi Abstract Publication: Journal of Agricultural and Food Chemistry Pub Date: February 2006 DOI: 10.1021/jf051980f Bibcode: 2006JAFC...54..848I