納豆菌の大麦発酵によるナットウキナーゼ，ビタミンＫ２，およびアミノ酸類の生産

DOI

書誌事項

タイトル別名
  • Production of Nattokinase, Vitamin K2 and Amino Acids by Barley Fermented with Bacillus Natto.

抄録

The thrombolytic enzyme, nattokinase, could be produced by the solid-phase culture of barley with Bacillus natto NB-1. Nattokinase production reached its maximum level after 1 day of fermentation at 37°C, and then gradually decreased. However, in the presence of a high concentration (1.0 M) of urea, the production level was increased and continued for a longer time. The final product had very strong nattokinase thrombolytic activity (>100, 000 IU/100 g dry weight), as well as amidolytic activity for Suc-Ala-Ala-Pro-Phe-pNA, H-D-Val-Leu-Lys-pNA, and Suc-Ala-Ala-Ala-pNA. Very high concentrations of vitamin K2 (menaquinone-7; about 9, 500 μg/100 g dry weight) and free amino acids, including Phe, Val, Tyr and Glu, were also confirmed.

収録刊行物

  • 日本家政学会誌

    日本家政学会誌 52 (10), 937-942, 2001

    一般社団法人 日本家政学会

キーワード

詳細情報 詳細情報について

  • CRID
    1390001206334777600
  • NII論文ID
    130003706024
  • DOI
    10.11428/jhej1987.52.937
  • ISSN
    18820352
    09135227
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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