African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12485

Full Length Research Paper

Effects of sound waves on conidiospores of Aspergillus oryzae strain RIB40 and characterization of the enzyme activity of rice–koji

Taku Matsumoto
  • Taku Matsumoto
  • Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, Nishi Ward, Kumamoto 860-0082, Japan.
  • Google Scholar
Kouji Kojima
  • Kouji Kojima
  • Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, Nishi Ward, Kumamoto 860-0082, Japan.
  • Google Scholar
Noriaki Saigusa
  • Noriaki Saigusa
  • Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, Nishi Ward, Kumamoto 860-0082, Japan.
  • Google Scholar
Yuji Teramoto
  • Yuji Teramoto
  • Department of Applied Microbial Technology, Faculty of Biotechnology and Life Science, Sojo University, Ikeda 4-22-1, Nishi Ward, Kumamoto 860-0082, Japan.
  • Google Scholar


  •  Received: 26 July 2023
  •  Accepted: 13 September 2023
  •  Published: 31 October 2023

References

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Bennett JW (2001). Aspergillus and koji: history, practice and molecular biology. Society of Industrial Biology 51:65-71.

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Gomi K, Akeno T, Minetoki T, Ozeki K, Kumagai C, Okazaki N, Iimura Y (2000). Molecular cloning and characterization of a transcriptional gene amyR involved in the amylolytic gene expression in Aspergillus oryzae. Bioscience Biotechnology and Biochemistry 64(4):816-827.
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Iwano K, Nakazawa N, Ito T (2002). The relation between the growth of Aspergillus oryzae and metabolism products in sake koji. Journal of Brewing Society 97(12):865-871.
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Kim HW (2016). The effects of low frequency noise on the growth and resistance to antibiotics of soil bacteria and E. coli. APEC Youth Scientist Journal 8(1):1-8.

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Masuda S, Kikuchi K, Matsumoto Y, Sugimoto T, Shoji H, Tanabe M (2009). Analysis of enzyme production by submerged culture of Aspergillus oryzae using whole barley. Bioscience Biotechnology Biochemistry 73(10):2190-2195.
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Matsumoto T, Kojima K, Saigusa N, Teramoto Y (2021). Irradiation of sound waves to Aspergillus kawachii and the characterization of enzyme activities in rice-koji. International Journal of Biomass and Renewables 10(2):18-24.

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Noguchi A, Ebisu H, Matsuda A, Yonezawa Y (2011). Method for facilitating propagation of edible microorganism by ultrasonic irradiation. Patent: JP2012147748A.

 

Nout MJR, Aidoo KE (2002). Asian Fungal Fermented Food. Industrial Applications 10:23-47. Osiewacz HD, ed. Springer, Berlin, Germany.
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Saigusa N, Imayama S, Teramoto Y (2015). Effects of sound waves on the enzyme activity of rice-koji. African Journal of Biochemistry Research 9(2):35-39.
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Sakoda JM, Cohen BH, Beall G (1954). Test of significance for a series of statistical tests. Psychological Bulletin 51(2):172-175.
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Taniguchi N (1993). Official methods of the National Tax Administration Agency of Japan for the evaluation of content, solid koji. Journal of Brewing Society of Japan pp. 211-228.

 

Yamashita H (2021). Koji starter and koji world in Japan. Journal of Fungi 7(7):569.
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Yoshii H (1973). Miso brewing and enzymes. Journal of Brewing Society 68(10):741-746.
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