| 摘要 |
1331694 Flavours and aromas INTERNATIONAL FLAVORS & FRAGRANCES Inc 2 Sept 1971 [3 Sept 1970 28 July 1971] 40980/ 71 Headings A2B and A2C [Also in Division A5] A composition for altering the flavour and/or aroma of consumable materials, including foods, tobacco products including tobacco substitutes, and non-tobacco components used in tobacco products, comprises the reation product obtained by reacting at least one cyclic ketone of the general formula: in which R<SP>1</SP> is an alkyl group of up to 6 carbon atoms and Y is a divalent saturated or unsaturated radical in which the free valencies are separated by a 2 or 3 carbon chain, with at least one sulphur-free amino acid, peptide, protein, or a mixture thereof. |
