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From Acetate to Bio-Based Products: Underexploited Potential for Industrial Biotechnology
Dirk Kiefer1, Manuel Merkel1, Lars Lilge1
1University of Hohenheim, Institute of Food Science and Biotechnology, Department of Bioprocess Engineering, Fruwirthstrasse 12, 70599 Stuttgart, Germany.
Abstract:
Currently, most biotechnological products are based on microbial conversion of carbohydrate substrates that are predominantly generated from sugar- or starch-containing plants. However, direct competitive uses of these feedstocks in the food and feed industry represent a dilemma, so using alternative carbon sources has become increasingly important in industrial biotechnology. A promising alternative carbon source that may be generated in substantial amounts from lignocellulosic biomass and C1 gases is acetate. This review discusses the underexploited potential of acetate to become a next-generation platform substrate in future industrial biotechnology and summarizes alternative sources and routes for acetate production. Furthermore, biotechnological aspects of microbial acetate utilization and the state of the art of biotechnological acetate conversion into value-added bioproducts are highlighted.
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