ハニカム状セラミックモノリスを担体とする固定化酢酸菌による食酢の製造

概要

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Vinegar production by growing Acetobacter cells immobilized on a ceramic honey-comb-monolith was studied in a fixed-bed reactor, where culture medium and air were supplied from the bottom. When the residence time was prolonged, the acetic acid concentration in the effluent increased and then reached a maximum value of about 40 g/l in about seven hours. The optimal rate of acetic acid production was 4.2 g/l・h. This was a little higher than for cells entrapped in a k-carrageenan gel. Furthermore, the number of released cells was much less than in the gel system. The reactor was effective for vinegar production for more than one month. It was concluded that growing cells immobilized by adsorption on ceramic honeycomb-monolith were advantageous for vinegar production.
社団法人日本生物工学会の論文
1988-09-25