International Flavors & Fragrances Inc.

Gail Harris

Mohamad I Farbood

James A Morris

Lynda B McLean

Laura E Kizer

Robert W Blocker

Described are optical isomers of (&plus;) &dgr;-decalactone and (&plus;) &dgr;-dodecalactone which impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners and hair preparations. The optical isomers are produced by means of a two-phase, environmentally friendly fermentation process for producing high yields of (&plus;) &dgr;-decalactone and (&plus;) &dgr;-dodecalactone from the corresponding unsaturated starting materials. The (&plus;) &dgr;-decalactone substantially has the structure:

Optical isomer of delta decalactone and organoleptic uses thereof

A two phase environmentally friendly fermentation process for producing high yields of &dgr;-decalactone and &dgr;-dodecalactone from the corresponding unsaturated starting materials is carried out under oxidative growth conditions using a saccharomyces species. The resulting products impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid, anionic, cationic, non-ionic or zwitterionic detergents, fabric softeners, and hair preparations.

Process for preparing saturated lactones, products produced therefrom and organoleptic uses of said products

A two phase environmentally friendly fermentation process for producing high yields of .delta.-decalactone and .delta.-dodecalactone from the corresponding unsaturated starting materials is carried out under oxidative growth conditions using a Saccharomyces species. The resulting products impart, augment and/or enhance the aroma and/or taste of consumable materials including foodstuffs, chewing gums, toothpastes, beverages, fragrance compositions, colognes and perfumed articles such as solid or liquid, anionic, cationic, non-ionic or zwitterionic detergents, fabric softeners, and hair preparations.

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Matawan, NJ, United States of America

Gail Harris