Provides an overview on flavor isolation as well as description of new advances in the enzymatic, fermentative, and molecular biological approaches to the generation of aromatic chemicals. The 29 chapters are divided into six sections: Perspectives, Analytical Methodology, Biosynthetic Pathways, Metabolism of Specific Compounds, Biogeneration of Selected Aromas, and Summary. Includes a special discussion on the emerging field of biotechnology and its possible application to flavor and aroma chemical production.