Xanthan gum (XG) production by Xanthomonas campestris NCIM 2961 using jackfruit seed powder (JSP) as a novel substrate was reported. Central composite design (CCD) of response surface method (RSM) was used to evaluate the linear and interaction effects of five medium variables (JSP, peptone, citric acid, KHPO and KHPO) for XG production. Maximum XG production (51.62 g/L) was observed at the optimum level of JSP (4 g/L), peptone (0.93 g/L), citric acid (0.26 g/L), KHPO (1.29 g/L) and KHPO (0.5 g/L). KHPO and KHPO were found as significant medium components, which served as buffering agents as well as nutrients for X. campestris growth. The obtained biopolymer was characterized as XG by XRD and FTIR analysis. Results of this study revealed that JSP was found to be a suitable low cost substrate for XG production.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5511587 | PMC |
| http://dx.doi.org/10.1007/s13205-017-0876-5 | DOI Listing |
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