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artemisia_pallens_wall._ex_dc [2015/10/12 14:25] andreas |
artemisia_pallens_wall._ex_dc [2015/10/12 14:26] andreas |
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[H. Surburg und J. Panten: Common Fragrance and Flavor Materials: preparation, | [H. Surburg und J. Panten: Common Fragrance and Flavor Materials: preparation, | ||
- | "A number of important observations can be made from the olfactometry evaluation of the crude natural davana oil: (1) major components do not necessarily correlate with major sensory responses; (2) powerful sensory responses are observed for minor/trace constituents; | + | "The oil of davana is produced from dried davana plants by steam distillation with yields of approximately 0.2%. The oil is a brownish or dark greenish viscous liquid, very aromatic, with a persistent odor somewhat reminiscent of bourbon... \\ |
+ | A number of important observations can be made from the olfactometry evaluation of the crude natural davana oil: (1) major components do not necessarily correlate with major sensory responses; (2) powerful sensory responses are observed for minor/trace constituents; | ||
analyses were positive in nature and could be described as fruity, spicy, musty, green, sweet, and pleasant. These olfactometry results are in agreement with the literature in that davanone has been reported to have little to no aroma. On the other hand, minor components are thought to contribute significantly to the aroma of davana oil." \\ | analyses were positive in nature and could be described as fruity, spicy, musty, green, sweet, and pleasant. These olfactometry results are in agreement with the literature in that davanone has been reported to have little to no aroma. On the other hand, minor components are thought to contribute significantly to the aroma of davana oil." \\ | ||
Fruit esters like 2-methylbutyl 2-methylbutyrate (4.5%), propyl 2-methylbutyrate (3.8%), propyl 3-methylbutyrate (3.0%) and pentyl 3-methylbutyrate (2.1%) as well as some cinnamates and furanones [5, | Fruit esters like 2-methylbutyl 2-methylbutyrate (4.5%), propyl 2-methylbutyrate (3.8%), propyl 3-methylbutyrate (3.0%) and pentyl 3-methylbutyrate (2.1%) as well as some cinnamates and furanones [5, |