Scientific Opinion on Flavouring Group Evaluation 63,Revision 4 (FGE.63Rev4): consideration of aliphaticsecondary saturated and unsaturated alcohols, ketones andrelated esters evaluated by JECFA (59th and 69thmeetings) structurally related to flavouring substancesevaluated by EFSA in FGE.07Rev6 (16) (PDF) Scientific Opinion on Flavouring Group Ev