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Section: Fragrance
Ingredients
Fragrant Odorous Products From Less Sandalwood Oil
This study has shown that fragrant products can be obtained by direct esterification of the less odorous sandalwood oil with either caproic, cinnamic or isobutyric acids. It is hoped that this study demonstrates the opportunities that are available for the production of potentially useful products from items once thought to be of low or poor commercial value.
Ingredients
Unsaturated Components in the Essential Oil of Anthemis nobilis L. (Roman Chamomile)
French authors recently presented their analytical findings on the oil using the negative chemical ionization technique in mass spectrometry. They tracked the GLC profile of the complete oil with the mass numbers of the quasi-molecular ions [M-H]- in combination with the carboxylate anion RCOO-. Thereby inter alia the presence of five esters derived from methacrylic or crotonic acid was reported, however, without giving definite structural assignments for the individual components. The same holds for eight esters of the angelate or tiglate type, respectively. We have worked in a more traditional way and wish here to present the results concerning some of these methacrylates, crotonates, angelates and tiglates. All esters mentioned by us have proved by comparison with authentic synthetically prepared samples.
Fine Fragrance
Resin Acid in Tree Moss Extract
Lichens are symbiotic organisms of fungi and algae. The biological significance of lichens and their metabolites has been reviewed by Huneck, who even stated that “good perfumes require lichen extracts.”
Fine Fragrance
Aleuritic Acid in Perfumery and Pheromones
The brief account given above indicates the vast potential which aleuritic acid holds in the synthesis of numerous useful organic compounds possessing olfactory properties. With a steady and substantial availability of threo aleuritic acid, its utility is expected to increase enormously.
News
Afyren Launches Flavyren Portfolio of Carboxylic Acids
The portfolio is designed to be used in a large panel of flavors and fragrances compositions for the production of authentic tastes and smells.
Ingredients
Fragrant Esters of 3-Cyclohexylbutanoic Acid
Thus, the acid is not too easily available, but remarkable fragrant properties of its esters raise the interest in its production. The first four stages of its synthesis have been described previously. Prin’s reaction of α-methylstyrene with formaldehyde yields 4-methyl-4-phenyl-1,3-dioxane.
Ingredients
iso-Valeric Acid in Dairy, Brown, Nut, Savory, Alcoholic Drink & Fruit Flavors
The profile of iso-valeric is very much stereotypical of the primary cheese odor, without any hint of the faint goaty character that starts to creep into the series of aliphatic acids from six carbon atoms upwards.
Fine Fragrance
Perfume Materials: The Addition of Acetic Acid and Allylalcohol to Dicyclopentadiene
Chemistry and sensory evaluation
Ingredients
HESP—A New Essential Oil From the Acid Hydrolysate of Spent Sandal Heartwood
In the present study, the utilization of the spent (exhausted) sandalwood powder from steam distillation as a source of an acid hydrolysate oil is examined. It has been found that hydrolysis of the non-volatile portion of an acetone extract of the spent sandalwood powder with methanolic hydrochloric acid followed by steam distillation gave rise to a new essential oil (1.2% yield) which we have called HESP, the acronym for hydrolyzed exhausted sandalwood powder.
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