Cocoa, Coffee, Green, Roast Beef, Roasted Nut
Smith R.L., Doull J., Feron V.J., Goodman J.I., Marnett L.J., Munro I.C., Newberne P.M., Portoghese P.S., Waddell W.J., Wagner B.M., and Adams T.B. 2002. The FEMA GRAS assessment of pyrazine derivatives used as flavor ingredients. Food and Chemical Toxicology. 40, 429.
JECFA Summary 767info
Safety evaluation of certain food additives and contaminants prepared by the fifty-seventh meeting of the Joint FAO/WHO Expert Committee on Food Additives (JECFA). WHO Food Additives Series No. 48, 2002.
SLR B6. Scientific literature review of substituted pyrazines. PB85141174. National Technical Information Service. 1978.