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Table 1 Effects of nitrogen sources on DCW, total lipids, ARA yield and mycelial morphology of M. alpina

From: Enhanced arachidonic acid production using a bioreactor culture of Mortierella alpina with a combined organic nitrogen source

Nitrogen source YE Peptone Soybean meal CSL
DCW (g L−1) 13.5 ± 0.15 6.5 ± 0.35 14.2 ± 0.23 15 ± 0.14
Residual glucose (g L−1) 5.3 ± 0.28 28.1 ± 1.3 9.4 ± 0.6 0.5 ± 0.24
Lipids (g L−1) 2.8 ± 0.25 1.2 ± 0.31 2.6 ± 0.45 3.9 ± 0.26
ARA (g L−1) 1.3 ± 0.13 0.06 ± 0.15 0.9 ± 0.22 1.9 ± 0.22
Lipid/DCW (w/w,  %) 21.8 ± 0.53 16.2 ± 2.31 17.6 ± 0.42 26.4 ± 0.16
ARA/DCW (w/w,  %) 10.1 ± 0.32 0.89 ± 1.62 6.4 ± 0.16 13.1 ± 0.42
ARA/lipid (w/w,  %) 46.5 ± 0.13 5.3 ± 1.54 34.5 ± 0.12 49.1 ± 0.36
Mycelial morphology Pellet Filamentous Pellet Pellet