期刊
KOREAN JOURNAL OF CHEMICAL ENGINEERING
卷 29, 期 5, 页码 563-566出版社
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-011-0224-0
关键词
Bacterial Cellulose; Acetobacter xylinum; Gluconacetobacter hansenii; Water Soluble Oligosaccharides; Characterization
资金
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [NRF-2010-0012672]
A single sugar alpha-linked glucuronic acid based oligosaccharide (SSGO) is water soluble oligosaccharides (WSOS) obtained by Gluconacetobacter hansenii PJK (KCTC 10505BP) as a byproduct during bacterial cellulose (BC) production. In this study, SSGO was used for the improvement of BC production by the vinegar bacterium, Acetobacter xylinum, which produces heteropolysaccharides as a byproduct. The addition of 1.0% SSGO to the chemically defined medium (CDM) resulted in an 89.3% increase in BC production by A. xylinum after 15 days of cultivation under static condition, and a 52.3% increase in BC production by G hansenii. Both the dry cell weight and live cell density of A. xylinum increased 50% with the addition of 1.0% SSGO. SSGO successfully improved BC production by A. xylinum.
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