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The medium for one-step fermentation of raw inulin extract from Jerusalem artichoke tubers by Paenibacillus polymyxa ZJ-9 to produce R,R-2,3-butanediol (R,R-2,3-BD) was developed. Inulin, K 2 HPO 4 and NH 4 Cl were found to be the key factors in the fermentation according to the results obtained from the Plackett–Burman experimental design. The optimal concentration range of...
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