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Bioflavoring and beer refermentation.
B Vanderhaegen1, H Neven, S Coghe
1Center for Malting and Brewing Science, Katholieke Universiteit Leuven, Kasteelpark Arenberg 22, 3001, Heverlee, Belgium. bart.vanderhaegen@agr.kuleuven.ac.be
Applied Microbiology and Biotechnology
|May 22, 2003
Summary
Consumers increasingly prefer natural bioflavors over synthetic chemicals due to health and environmental concerns. This review explores microbial production of bioflavors, particularly for beer, using fermentation and precursor biotransformation.
Area of Science:
- Food Science
- Biotechnology
- Microbiology
Background:
- Growing consumer demand for natural products drives interest in bioflavors.
- Synthetic flavoring chemicals raise health and environmental concerns.
- Bioflavors offer a sustainable alternative, produced via biological methods.
Purpose of the Study:
- To review microbial systems for natural bioflavor production.
- To highlight bioflavoring applications in beer and refermentation processes.
- To discuss using flavor precursors with yeasts for novel flavor development.
Main Methods:
- Overview of microbial bioflavor synthesis (de novo and precursor biotransformation).
- Focus on yeast-based fermentation and refermentation techniques.
- Exploration of non-conventional and genetically modified yeasts.
Main Results:
- Microbial production offers diverse routes to natural flavors.
- Beer refermentation presents specific opportunities for bioflavor integration.
- Yeast engineering enables tailored flavor precursor conversion.
Conclusions:
- Microbial bioflavor production is a viable and growing field.
- Yeast technology is key for developing new and improved food and beverage flavors.
- Bioflavors align with consumer preferences for natural and sustainable products.