Studies on the Metabolism and Regulation of xanthan gum by Xanthomonas campostris-9902

Abstract

Abstract: In this paper,the potential productivity and effect on metabolism and regulation during fermentation of xanthan gum by Xanthomonas campestris-9902 were studied.The results showed that X.Campestris-9902 was a proficient strain when the medium composition and process were properly improved.Furthermore,the carbon-to-nitrogen ratio,trace elements,precursor and surfactant etc.Played an important role in the later stage of biosynthesis,especially in the formation of viscous polymer.The production could be enhanced evidently if the medium and fed-batch process were optimized.

Key words: , Biosynthesis Fermentation Xanthan gum Metabolism and regulation；

LI Bai-Lin, HU De-Liang, CHEN You-Rong, QI Feng-Lan, XU Ming-Quan. Studies on the Metabolism and Regulation of xanthan gum by Xanthomonas campostris-9902[J]. FOOD SCIENCE, 2001, 22(3): 29-32.

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Studies on the Metabolism and Regulation of xanthan gum by Xanthomonas campostris-9902

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