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[Biosynthesis of congeners during alcohol fermentation]
M C Santillán-Valverde1, M García-Garibay
1Departamento de Química Analítica, Facultad de Química, UNAM, México D.F., México. carmensv@servidor.unam.mx
Summary
Yeast fermentation produces volatile compounds called congeners, influencing alcoholic beverage flavor. Understanding these biochemical pathways, including higher alcohols, esters, and carbonyls, improves flavor control in production.
Area of Science:
- Food Chemistry
- Biochemistry
- Fermentation Science
Background:
- Alcoholic beverage flavor is determined by a complex mixture of volatile compounds.
- Congeners, produced by yeast during fermentation, significantly impact the organoleptic profile.
- Key congener groups include higher alcohols, esters, and carbonyls.
Purpose of the Study:
- To review the biochemical pathways responsible for congener production from raw materials.
- To enhance understanding of the formation of key flavor compounds in alcoholic beverages.
- To provide insights for better control over the final product's organoleptic characteristics.
Main Methods:
- Literature review of biochemical pathways.
- Analysis of congener formation during yeast fermentation.
- Categorization of volatile compounds into chemical species.
Main Results:
- Detailed review of biochemical pathways for higher alcohols, esters, and carbonyls.
- Identification of key compounds common across various alcoholic beverages.
- Understanding of how raw materials influence congener profiles.
Conclusions:
- Knowledge of congener biochemical pathways is crucial for understanding beverage flavor.
- This research facilitates improved control over the production of alcoholic beverages.
- Further research into these pathways can lead to optimized organoleptic profiles.