According to the theory of metabolic control fermentation and metabolic flux analysis, the dissertation focuses on the breeding of L-valine high-yielding strain and its fermentation conditions. The main research contents and results are as follows:
(1) L-valine concentration in fermented broth was quantitatively determined with methods of paper chromatography-mottle elution colorimetry and chemical colorimetry. The quantitative determination condition and computing method were decided. Compared wi...