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Table 1 Final cell biomass and fatty acid production of P. purpureum supplemented with organic carbon sources at 18th day

From: Using a trait-based approach to optimize mixotrophic growth of the red microalga Porphyridium purpureum towards fatty acid production

Carbon source Dose (%) Biomass (g L−1) Content (mg g−1) Concentration (mg L−1)
ARA EPA TFA ARA/EPA ARA EPA TFA
Control 0.00 9.58 (0.48) 8.95 (0.17) 6.40 (0.22) 45.62 (2.82) 1.40 (0.05) 85.7 (1.0) 61.3 (2.1) 437.0 (25.8)
Glucose 0.05 10.54 (0.53) 9.10 (0.02) 6.88 (0.43) 47.00 (3.25) 1.32 (0.04) 95.9 (7.6) 72.5 (6.4) 495.4 (27.5)
0.10 11.32 (0.57) 8.64 (0.83) 5.78 (0.82) 44.64 (2.32) 1.49 (0.07) 97.8 (4.9) 65.4 (7.3) 505.3 (25.7)
0.25 13.17 (0.63) 8.86 (0.23) 6.12 (0.36) 46.49 (3.38) 1.45 (0.08) 116.7 (2.1) 80.6 (5.0) 612.3 (36.0)
0.50 15.36 (0.71) 9.03 (0.57) 5.86 (0.39) 46.76 (2.61) 1.54 (0.03) 138.7 (2.1) 90.0 (5.4) 718.2 (39.5)
0.75 15.04 (0.75) 8.48 (0.15) 6.63 (0.15) 45.22 (2.45) 1.28 (0.05) 127.5 (1.9) 99.7 (9.4) 680.1 (30.0)
1.00 8.45 (0.42) 8.72 (0.15) 5.05 (0.52) 44.29 (3.76) 1.73 (0.05) 73.7 (0.1) 42.7 (3.3) 374.3 (17.8)
Sodium acetate 0.05 11.29 (0.52) 10.58 (1.11) 7.25 (0.63) 49.28 (4.64) 1.46 (0.07) 119.5 (18.6) 81.9 (8.4) 556.4 (25.8)
0.10 12.73 (0.57) 11.66 (0.53) 7.61 (0.83) 51.84 (2.92) 1.53 (0.07) 148.4 (2.0) 96.9 (6.3) 659.9 (36.0)
0.25 14.05 (0.70) 12.85 (0.03) 8.62 (0.34) 54.17 (2.85) 1.49 (0.06) 180.5 (10.4) 121.1 (7.4) 761.1 (40.1)
0.50 10.55 (0.46) 10.34 (0.61) 7.91 (0.93) 45.15 (2.75) 1.31 (0.05) 109.1 (10.8) 83.5 (8.1) 476.3 (28.3)
0.75 6.86 (0.37) 8.88 (0.61) 6.35 (0.75) 42.13 (3.65) 1.40 (0.05) 60.9 (1.3) 43.6 (4.1) 289.0 (15.4)
1.00 3.54 (0.81) 8.24 (0.37) 5.57 (0.78) 38.16 (1.98) 1.48 (0.07) 29.2 (12.5) 19.7 (2.9) 135.1 (7.6)
Glycerol 0.05 11.27 (0.56) 9.75 (0.67) 5.61 (0.82) 50.80 (3.54) 1.74 (0.08) 109.9 (8.4) 63.2 (6.1) 572.5 (26.4)
0.10 12.37 (0.62) 10.89 (0.92) 4.55 (0.27) 56.00 (2.88) 2.39 (0.10) 134.7 (28.1) 56.3 (2.2) 692.7 (36.4)
0.25 14.38 (0.72) 13.43 (0.60) 4.37 (0.28) 62.22 (4.11) 3.07 (0.12) 193.1 (14.6) 62.8 (4.9) 894.7 (47.3)
0.50 15.72 (0.79) 13.67 (0.84) 4.75 (0.57) 63.41 (4.17) 2.88 (0.17) 214.9 (26.8) 74.7 (7.3) 996.8 (39.8)
0.75 9.13 (0.46) 9.44 (0.98) 3.98 (0.91) 58.56 (3.28) 2.37 (0.16) 86.2 (16.9) 36.3 (2.8) 534.7 (27.4)
1.00 4.00 (1.2) 6.45 (0.13) 2.66 (0.33) 48.64 (3.42) 2.42 (0.14) 25.8 (3.8) 10.6 (1.5) 194.6 (12.7)
  1. The values in parentheses represent standard deviations of three replicates
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