Figure 5

Excitation-emission matrix of soluble microbial products. (a) in the absence (control), and (b) presence of 0.2% ethanol after 6, 32, and 72 h fermentation.
Excitation-emission matrix of soluble microbial products. (a) in the absence (control), and (b) presence of 0.2% ethanol after 6, 32, and 72 h fermentation.