The safety evaluation of food flavouring substances: the role of metabolic studies

Robert L. Smith, Samuel M. Cohen, Shoji Fukushima, Nigel J. Gooderham, Stephen S. Hecht, F. Peter Guengerich, Ivonne M.C.M. Rietjens, Maria Bastaki, Christie L. Harman, Margaret M. McGowen, Sean V. Taylor