Characterization of new exopolysaccharide production by Rhizobium tropici during growth on hydrocarbon substrate
作者： Tereza Cristina Luque Castellane , João Carlos Campanharo , Luiz Alberto Colnago , Isabel Duarte Coutinho , Érica Mendes Lopes
DOI: 10.1016/J.IJBIOMAC.2016.11.123
关键词: Substrate (chemistry) 、 Rhizobium tropici 、 Rhizobia 、 Food science 、 Botany 、 Chemistry 、 Hydrocarbon 、 Carbohydrate
摘要: Abstract Exopolysaccharide (EPS) are produced by a diverse of rhizobia species and has been demonstrated to be bioemulsifier with potential applications in the degradation hydrocarbons. In present study, attempts were made obtain new exopolysaccharide production Rhizobium tropici (SEMIA 4080 MUTZC3) strains during growth on hydrocarbon substrate. Under different cultivation conditions, high molecular weight exopolysaccharides from cultivated for 96 h mainly consisted carbohydrates (79–85%) low percentage protein. The EPSC3-D differed others, only 60% carbohydrate. However, all polymers distinct rheology properties, such as viscosity each EPS sample, suitable applications. addition, RP-HPLC, FTIR NMR studies revealed similar indicating minimal difference between compositions.
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