Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Kimura K, Nakanishi T. Production of citric acid, isocitric acid, and microbial cells by fermentation. US Patent 3,873,424 dated Mar 25 1975
Tanaka K, Inuzuka K. Process for producing L-tryptophan. US Patent 3,591,456 dated Jul 6 1971
