The present invention relates to: a Gluconobacter sp. strain which is resistant to 1-hydroxyethyl amino-D-sorbitol and is able to bioconvert 1-hydroxyethyl amino-D-sorbitol into 6-hydroxyethyl amino-L-sorbose in high yield; a manufacturing method of 6-hydroxyethyl amino-L-sorbose or miglitol using the same; and a composition for producing 6-hydroxyethyl amino-L-sorbose comprising the strain. The present invention can advantageously be used for the production of miglitol precursors and miglitol.;COPYRIGHT KIPO 2014
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