| 摘要 |
1277387 Coffee aroma GENERAL FOODS CORP 19 April 1971 [10 March 1970] 23469/ 71 Heading A2B [Also in Division C2] A gas aroma for coffee contains hemimercaptals and hemimercaptols produced from methyl mercaptan and a mixture of at least one aldehyde and at least one ketone, preferably in molar excess. |
