Lactic Acid Production by a New Lactobacillus sp., Lactobacillus vaccinostercus Kozaki and Okada sp. nov., Immobilized in Calcium Alginate

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概要

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• Whole cells of a new Lactobacillus sp., L. vaccinostercus Kozaki and Okada sp. nov., which utilized xylose preferentially were immobilized in a living state in calcium alginate gel. The immobilized samples obtained were stable and no leakage of L. vaccinostercus cells into the surrounding medoum was detected. Production of lactic acid from xylose by immobilized whole cells was carried out in a batch system under stationary conditions.The immobilized living cells were found to produce more lactic acid than washed living cells in the same growth medoum (containing 2% xylose, 1% peptone and 0.5% yeast extract). The reason for this was examined, and it was concluded that microbial growth in calcium alginate gel matrix was the cause of better fermentative activation. It was also found that whole cells in the gel live for a month in the reaction medium.

• 公益社団法人日本生物工学会の論文
• 1982-12-25

著者

• Kozaki Michio

  Department of Agricultural Chemistry

• Kozaki Michio

  Department Of Applied Microbiology Tokyo University Of Agriculture

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