Correlation matrices between day, pH, biomass, EPS yield, β-glucanase, and invertase activity obtained in cultures of PLIGR1 (A), PLIGR2 (B) and PLIGR3 (C), and PBIGR1 (D), PBIGR2 (E) and PBIGR3 (F). The results are presented as Pearson’s correlation coefficient R.