Induction of Bacillus circulans F-2 Amylase by Crosslinked Starches(Biological Chemistry)

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概要

• 論文の詳細を見る

• Potato and corn starch granules were crosslinked by epichlorohydrin to various extents (DC=0.6〜7.1). Most of these crosslinked starches retained a granular structure after autoclaving, though their crystalline structure had been lost. Using these starches as a carbon source for the cultivation of Bacillus circulans F-2, the digestion of starch granules, bacterial growth and production of amylase were investigated in comparison with those obtained with raw potato and corn starch granules. An increase in the DC of the starches decreased their degradation rate and bacterial growth. On the other hand, the amount of amylase produced increased with an increase in the DC of the added starches. CLP induced a larger amount of amylase than CLC of the same DC. CLP (DC=4.0) induced 0.6U/ml of amylase, which is 1.8 times as much as that induced by raw potato starch. This, together with the fact that it is autoclavable, proved CLP to be a most excellent carbon source for the production of Bacillus circulans F-2 amylase.

• 社団法人日本農芸化学会の論文
• 1986-11-23

著者

• TANIGUCHI Hajime

  Department of Biological Chemistry, Chubu University

• Taniguchi H

  National Food Research Inst. Ibaraki Jpn

• Maruyama Y

  Univ. Tokyo Tokyo Jpn

• Maruyama Yoshiharu

  Department Of Agricultural Chemistry Faculty Of Agriculture The University Of Tokyo

• Sata H

  Oji Starch Co. Ltd. Ichihara Jpn

• SATA Hiroshi

  Department of Agricultural Chemistry, The University of Tokyo

• Taniguchi Hajime

  Department Of Biological Chemistry Chubu University

• TANIGUCHI Hajime

  Department of Agricultural Chemistry, The University of Tokyo:(Present office)National Food Reserach Institute

• TANIGUCHI Hajime

  Department of Agricultural Chemistry, The University of Tokyo

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