The fungal species and the strain selected for the present study has a strong and decade-old
research background. Many fungal species belonging to the genus Rhizopus were identified as
the best FA producers and received industrial attention. The most important were R. nigricans,
R. formosa, R. arrhizus, and R. oryzae. However, among the four species, R. oryzae was
preferred over the other three due to its simple nutrient requirements and high productivity
(4.25 g/L/h). After the 1990s, R. oryzae has been the frontliner in the production of FA [1].
Among different strains of R. oryzae tested for FA production, the strain NRRL 1526 is one of
the best strains [18]. Thus, selection of R. oryzae 1526 for FA production meets technical
requirements for a scientific investigation on FA production.
The fungal species and the strain selected for the present study has a strong and decade-oldresearch background. Many fungal species belonging to the genus Rhizopus were identified asthe best FA producers and received industrial attention. The most important were R. nigricans,R. formosa, R. arrhizus, and R. oryzae. However, among the four species, R. oryzae waspreferred over the other three due to its simple nutrient requirements and high productivity(4.25 g/L/h). After the 1990s, R. oryzae has been the frontliner in the production of FA [1].Among different strains of R. oryzae tested for FA production, the strain NRRL 1526 is one ofthe best strains [18]. Thus, selection of R. oryzae 1526 for FA production meets technicalrequirements for a scientific investigation on FA production.
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