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Some recently published programs for the isolation of new products from nature will be discussed herein. In addition, a series of ideas for the development of new or improved flavor and fragrance substances will be presented. These ideas concern new mono- and sesquiterpenoids, substitution of sterical or electronical parts (functional groups) of molecules by more stable ones. New materials with greater organoleptic or olfactive value-for-money will be suggested.
One may question whether the search for new aroma chemicals is economic. In other words, are the costs for research in the flavor and fragrance industry a value for the money? Recent studies of the American Council for Chemical Research revealed that during the period of 1975 to 1998 every $1 invested by 83 chemical industries produced a profit of $2.6. The conclusion: research in the chemical industry does pay off. Recently some interesting publications appeared regarding the search for and the design of new flavor and fragrance materials.
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