Download Common fragrance and flavor materials : preparation, by Kurt Bauer; Dorothea Garbe; Horst Surburg PDF

By Kurt Bauer; Dorothea Garbe; Horst Surburg

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Extra resources for Common fragrance and flavor materials : preparation, properties, and uses

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4515, occurs in many essential oils either as one of its optical isomers or as the racemate. The odor of racemic citronellyl acetate differs little from that of the optical isomers. (&)-Citronellyl acetate is a liquid with a fresh-fruity rose odor. It is often used as a fragrance, for example, for rose, lavender, and geranium notes as well as for eau de cologne with citrus nuances. Since it is relatively stable to alkali, it can be used in soaps and detergents. Citrus flavors acquire specific character through the addition of citronellyl acetate; it is also used to round off other fruit flavors.

Citronello1 is the predominant enantiomer in geranium and rose oils, both of which may contain up to 50% citronellols. Citronellol is a colorless liquid with a sweet roselike odor. The odor of (-)-citronellol is more delicate than that of (+)-citronellol. Citronellol undergoes the typical reactions of primary alcohols. Compared with geraniol, which contains one more double bond, citronellol is relatively stable. Citronellol is converted into citronella1 by dehydrogenation or oxidation; hydrogenation yields 3,7-dimethyloctan- 1-01.

FCT 1979 (17) p. 823. 4160, is a liquid with a powerful fruity odor. It has been identified in a number of fruits and berries and is an important constituent of fruit flavor compositions. FCT 1979 (17) p. 815. 25, is found in spearmint oil. It smells fruity-green and is used in perfumery to create freshness in blossom compositions. FCT 1979 (17) p. 799. 3962, is a colorless liquid with a fruity odor reminiscent of blueberries. It occurs in fruits, vegetables, and alcoholic beverages. It is used in fruity aroma compositions.

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