期刊
BIORESOURCE TECHNOLOGY
卷 98, 期 6, 页码 1329-1332出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2006.05.001
关键词
Cyanothece; exopolysaccharide; aeration rate; glucan; marine cyanobacteria
Cyanothece sp. 113, a unicellular, aerobic, diazotrophic and photosynthetic marine cyanobacterium, produced 22.34 g/l of exopolysaccharide in 11 days at 29 degrees C, aeration rate of 7.0 l/min and continuous illumination with 4300 lux. After purification, the spectra of UV, IR, H-1 NMR, C-13 NMR and GC-MS analysis showed that the purified exopolysaccharide was alpha-D-1,6-homoglucan. This is first report describing linear alpha-D-1,6-homoglucan exopolysaccharide produced by marine cyanobacteria. (c) 2006 Elsevier Ltd. All rights reserved.
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