Comparison of Characteristics of Koji Manufactured with Bacillus subtilis B-4 and Aspergillus oryzae F-5

Bacillus subtilis B-4와 Aspergillus oryzae F-5로 제조한 코오지의 특성 비교

  • Published : 2002.10.01

Abstract

In order to industrialize traditional Meju-tasting Koji, the characteristics of Koji manufactured with bacteria and fungi found in traditional Meju were investigated. Bacillus subtilis B-4 and Aspergillus oryzae F-5 showing high enzyme activities including those of amylase and protease were used. L-value of Koji manufactured with B. subtilis B-4 had darker color and higher enzyme production than A. oryzae F-5 made one. B. subtilis B-4 made Koji showed higher enzyme production and sensony evaluation score than A. oryzae F-5 Koji. A. oryzae F-5 Koji showed superior color to B. subtilis B-4 Koji. Activity in color, capacity of enzyme production, viable cell count, and sensory evaluation of water activity controlled Koji was superior to the uncontrolled one.

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