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Relative DAC/CPC production (%) after cultivation of A. chrysogenum HY strain on synthetic (SN) and complex (CP) media with 5 mM 1,3-diaminopropane (DAP), or 5 mM spermidine (SPD), or without additions (control) for (a) 72 h; (b) 96 h; (c) 120 h; (d) 144 h. Data are means ± SD, n = 3. Statistical significance, * p ≤ 0.05, as compared with the control (strain, cultivated on medium without PAs additions).
