期刊
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
卷 84, 期 3, 页码 445-452出版社
SPRINGER
DOI: 10.1007/s00253-009-2124-3
关键词
Acetic acid bacteria; Biorefinery; Biodiesel fuel; Glyceric acid; Glycerol use
资金
- New Energy and Industrial Technology Development Organization (NEDO) of Japan [08A26202c]
Glycerol is currently produced in large amounts as a by-product during fat splitting and biodiesel fuel production. Over the past decade, both chemical and biotechnological processes to convert glycerol to value-added chemicals have been increasingly explored. This mini-review provides recent information about the biotechnological production of a glycerol derivative, d-glyceric acid (d-GA), and its possible applications. Little is known about GA as a bioproduct, but it is naturally found in different kinds of plants as a phytochemical constituent and is reported to have some biological activity. A racemic mixture of dl-GA can be obtained from glycerol via chemical oxidation; however, d-GA is mainly biotechnologically produced with the aid of bacteria. Under aerobic conditions, some acetic acid bacteria transform glycerol into d-GA, and optimization of initial glycerol concentration and aeration rate provided a yield of more than 80 g/l d-GA, using a strain of Gluconobacter frateurii.
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