家畜排泄物を用いた嫌気性発酵でのビタミンB<SUB>12</SUB>生産の生物学的定量実験

書誌事項

タイトル別名
  • Biological Quantification of Vitamin B<SUB>12</SUB> Production in Anaerobic Fermentation of Livestock Wastes
  • カチク ハイセツブツ オ モチイタ ケンキセイ ハッコウ デ ノ ビタミン B

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抄録

Quantification of vitamin B12 production in anaerobic fermentation of feces from swine was carried out by a bioassay techniqe using mutant E.coli 215 strain (requirement strain of Methionine and Vitamin B12).The concentration of vitamin B12 in the anaerobic fermentation sludge increased with an increase in the sludge volume, and a close correlation between them was found (r=0.97, p<0.001).The BOD removal and the vitamin B12 production were also very closely correlated in each experimental section, as the vitamin B12 production increased with a decrease in the BOD removal.Bioassay using mutant E. coli 215 gave satisfactory results in quantitative estimation of vitamin B12 production.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 58 (2), 155-161, 1987

    公益社団法人 日本畜産学会

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